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EP 3 277 116 B1 |
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EUROPEAN PATENT SPECIFICATION |
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Mention of the grant of the patent: |
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27.01.2021 Bulletin 2021/04 |
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Date of filing: 24.03.2016 |
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International Patent Classification (IPC):
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International application number: |
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PCT/IB2016/051686 |
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International publication number: |
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WO 2016/157046 (06.10.2016 Gazette 2016/40) |
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PROTECTIVE HELMET
SCHUTZHELM
CASQUE DE PROTECTION
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Designated Contracting States: |
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AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO RS SE SI SK SM TR |
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Priority: |
30.03.2015 IT VR20150050
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Date of publication of application: |
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07.02.2018 Bulletin 2018/06 |
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Proprietor: Dainese S.p.A. |
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36064 Colceresa (Vicenza) (IT) |
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Inventor: |
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- BERTOLO, Luca
36060 Molvena (Vicenza) (IT)
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Representative: Manfrin, Marta et al |
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Società Italiana Brevetti S.p.A.
Stradone San Fermo 21 sc. B 37121 Verona (VR) 37121 Verona (VR) (IT) |
(56) |
References cited: :
DE-A1-102004 048 843 US-A- 4 612 675 US-B1- 6 263 513
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US-A- 4 514 864 US-A- 5 394 566
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Note: Within nine months from the publication of the mention of the grant of the European
patent, any person may give notice to the European Patent Office of opposition to
the European patent
granted. Notice of opposition shall be filed in a written reasoned statement. It shall
not be deemed to
have been filed until the opposition fee has been paid. (Art. 99(1) European Patent
Convention).
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[0001] The present invention relates to a protective helmet, for example for motorcycling
use and in particular a helmet provided with ventilation circuits.
[0002] Known protective helmets include those, for example for motorcycling use, provided
with at least one ventilation opening or port which is formed in the helmet and which
places an outer area of the helmet in fluid communication with an inner area so as
to allow the entry and/or the circulation of an air flow in the internal space of
the helmet. The ventilation of the internal space of the helmet allows comfortable
temperatures to be maintained for the motorcyclist's head, in particular during prolonged
use, and favours renewal of the air. The ventilation opening or port, or air vent,
is generally connected to a series of channels composed of grooves formed in the padding
of the helmet, in the polystyrene layer or in another layer of the helmet and designed
to distribute the air flow in the internal space in a uniform manner.
[0003] US 5,394,566 discloses a motorcycle helmet with a ventilation system which allows for the circulation
of air within the internal space of the helmet and creates a demisting airflow across
the inside surface of the visor.
[0004] It is also known to air an area of the helmet which is situated between the user's
face and the visor of the helmet, namely the chamber which is situated in front of
the user's field of vision and is closed by the transparent screen which is situated
in the front area of the helmet so as to protect the user's face from the air. This
zone, which is not aired, risks becoming misted up, this risk being increased by the
fact that in this zone the user breathes and there is greater amount of moisture.
[0005] In the continuation of the present disclosure, the expression "visor chamber" is
understood as meaning that area of the helmet situated between the user's face and
the helmet visor.
[0006] Airing inside the visor chamber is performed by suitably providing fluid communication
between the visor chamber and the aforementioned air channels and/or vent(s) for the
helmet so as to create an air flow from the visor chamber and a ventilation port,
such that the air of the visor chamber may flow out from the visor chamber and reach
the ventilation port from where it may exit.
[0007] The present disclosure arises from the realization on the part of the author or the
authors that it is not always possible to create an effective ventilation of the visor
chamber since it is not always possible to control the air flows inside the helmet
owing to the numerous air ports and channels, considering also that these flow may
vary over time for example depending on the position of the helmet during riding,
the greater or lesser speed of the motorcycle and/or other factors. As a result, depending
on the speed and/or the position of the helmet, turbulences and chaotic flows may
be generated inside the helmet and these prevent a regular flow of air from the visor
chamber towards the outlet ventilation port, with the risk of a head loss in the flows.
[0008] It is therefore not always possible to achieve an optimum circulation of the air
and satisfactory demisting of the visor.
[0009] A technical problem underlying the present invention is therefore that of providing
a protective helmet which is able to overcome this drawback, namely is able to improve
the ventilation efficiency inside the helmet and/or achieve further advantages. Said
technical problem is overcome by a protective helmet and a method, the main characteristic
features of which are specified in the respective independent claims, while other
characteristic features are specified in the remaining claims.
[0010] The proposed solution forming the basis of the present invention is that, in order
to optimize the circulation of air, it is convenient to separate physically, or render
independent structurally, one channel which allows the circulation of the air from
one area of the helmet, such as the visor chamber, towards the one or more air outlet
ventilation ports, and another channel, such as the channel which allows generally
circulation of the air or ventilation inside the helmet. Basically, in other words,
a proposed idea forming the basis of the present disclosure consists in providing
and creating ventilation paths or circuits which are physically separate from each
other and/or configured so that there is no mutual fluid communication.
[0011] In this way, irrespective of the position of the rider's head and/or the air flows
which may be generated inside the helmet, the air flows intended to demist the visor
chamber and the air flows which concern in general the circulation of air in the helmet,
or a specific area of circulation of the air in the helmet, are independent and/or
separate as far as possible, so as to reduce the risk of interference and therefore
turbulence.
[0012] On the basis of this proposed solution, in accordance with an embodiment of the present
disclosure, in order to solve said technical problem, the motorcycling helmet comprises
a first ventilation path or circuit which is isolated from, or independent of, a second
ventilation path or circuit.
[0013] Moreover, on the basis of the aforementioned proposed solution, in accordance with
an embodiment of the present disclosure, in order to solve said technical problem,
the motorcycling helmet comprises one or more guiding members which place an area
of the helmet in fluid communication with a ventilation port for output of the air
and are configured to render an air flow independent of another air flow, so as to
avoid the possible creation of turbulence due to interference between flows and consequent
head losses due to said turbulence or chaotic flows.
[0014] A guiding member may be understood as meaning a body with a closed cross-section,
such as a tubular body, or a body which, once mounted on the helmet, forms a closed
cross-section, able to cause an air flow to flow in an isolated manner from other
air flows.
[0015] Owing to the use of guiding members, it is possible to design
a priori a ventilation system which allows the direction of the flow to be controlled and
thus the ventilation efficiency to be maximized.
[0016] For example, in one embodiment of the present disclosure, the guiding members place
a visor chamber in direct fluid communication with a ventilation port intended to
output air from the helmet.
[0017] The air output ventilation port may be an opening which is located in the rear area
of the helmet which is in technical jargon of the sector is referred to as "rear extractor".
Recall of the air from the visor chamber takes place by means of aspiration. In fact,
during the movement of the motorcycle, a vacuum is created in the region of the rear
extractor and sucks the air from the internal area of the helmet and therefore also
from the visor chamber and therefore produces the desired demisting action.
[0018] If the helmet is a full-face helmet with chin-piece an air vent which is in fluid
communication with the visor chamber is provided in the region of the chin-piece.
An air flow which departs from the chin-piece, passes into the visor chamber and continues
via the guiding members towards an air outlet port is thus produced.
[0019] Consequently, the air for demisting the visor does not come into contact at all,
or only minimally, with an air flow intended for example for ventilation and/or general
airing of the helmet, since this demisting air is directed inside the guiding members
which lead into the visor chamber and do not allow fluid communication with the remainder
of the internal area of the helmet.
[0020] Further advantages and characteristic features of the motorcycling helmet according
to the present invention will become clear to persons skilled in the art from the
following detailed and non-limiting description of an embodiment thereof with reference
to the accompanying drawings in which:
- Figure 1 is an axonometric view, from the front, of a protective helmet partially
cross-sectioned in accordance with an embodiment of the present disclosure;
- Figure 2 is a view, from the rear, of a protective helmet partially cross-sectioned
in accordance with an embodiment of the present disclosure;
- Figure 3 is an axonometric view of the protective helmet according to Figure 1 in
which, differently from Figure 1, an outer shell has been removed and a guiding member
is partially raised;
- Figure 4 is a view, from the rear, of the helmet according to Figure 2 in which an
outer shell has been removed and a guiding member is partially raised;
- Figure 5 is a front view of the helmet according to Figure 1;
- Figure 6 shows a cross-section along the line VI-VI of Figure 5;
- Figure 6A is a detail VI of Figure 6;
- Figure 7 is a cross-section along the line VII-VII of Figure 5;
- Figure 7A is a detail VII of Figure 7;
- Figure 8 is a cross-sectional view along the line VI-VI of Figure 5, in which, differently
from the cross-section of Figure 6, the guiding members have been removed.
[0021] With reference to Figures 1 to 8, the motorcycling helmet 1 according to the invention
comprises an outer cap or shell 2 with anti-penetration function and a layer with
energy absorption function 3, for example made of polystyrene. The outer shell 2 and
the layer with energy absorption function 3 form part of a general body of the helmet.
[0022] In particular, in a front top area of the outer shell 2, the protective helmet 1
includes a plurality of front ventilation openings or ports 4, 5, in the example two
ports 4,5.
[0023] The protective helmet 1 also includes a visor 21 and a visor chamber 22.
[0024] The protective helmet 1 shown in the figures is also a helmet of the full-face type
and includes a chin-piece.
[0025] In a rear area of the outer shell 2, the helmet 1 includes a plurality of rear ventilation
openings or ports, also called rear extractors 6, in the example two rear extractors
6, only one of which is visible in the figures.
[0026] As can be seen from the figures, the helmet shown in the present embodiment is symmetrical
with respect to a midplane or sagittal plane. In particular the two front ventilation
ports 4, 5 and the two rear extractors 6 are symmetrical with respect to the midplane
or sagittal plane. As a result, the internal ventilation components of the helmet
are arranged symmetrically on both sides, right-hand half and left-hand half, of a
sagittal plane, so as to ensure symmetrical ventilation on both sides of the helmet.
The description which follows is provided only in relation to a group of ventilation
components located in the left-hand half of the helmet. It is understood that the
same components are also present in the right-hand half of the helmet. Alternatively,
it is also possible for there to be a single group of components centred on a sagittal
plane of the helmet.
[0027] It is also pointed out that, in the figures, the helmet is shown in a condition when
not worn. However, in the context of the present disclosure it is assumed that the
helmet is worn. Consequently, in the context of the present disclosure, any spatial
reference such as rear, anterior, front, right-hand, left-hand and similar spatial
references are to be understood as referring, by way of indication and/or example,
to a condition in which a helmet is worn, and these spatial references are to be understood
as being relative to the head of the person. Moreover, when reference to air flows
is made, it is to be understood that these are generated in the helmet when a user
is riding a vehicle wearing the helmet 1.
[0028] Moreover, in the context of the present disclosure, the expression "front ventilation
port" will be understood as meaning a ventilation port formed in the front area of
a user and able to allow the entry and/or the circulation of an air flow in the internal
space of the helmet so as to air the head of a user both via channels and via holes
formed in the polystyrene or in another layer of the helmet.
[0029] The layer with energy absorption function 3 includes grooves 9, 10, 11 and front
holes 13, 14, 15. In particular, a first longitudinally extending groove 9, which
extends along the entire top of the helmet and reaches the rear area, and a second
groove 10 of shorter length, which branches off one side of the first groove 9, are
provided. The front holes 13, 14, 15 are formed in the second groove 10. The front
holes 13, 14, 14 place the housing area, or inner side of the helmet, inside which
the user's head is arranged, in communication with the respective front ventilation
port 4, 5.
[0030] The layer with energy absorption function 3 also includes rear holes 18, 19 which
place the housing area of the helmet in communication with each respective rear extractor
6. A third groove or recess 11 of smaller length is formed in the layer 3 in the region
of the rear holes 18, 19.
[0031] According to one aspect of the present disclosure, the protective helmet 1 includes
one or more guiding members 20, in the example one guiding member 20 for each half,
i.e. right-hand half and left-hand half, of the helmet. The guiding member is, for
example, a tube or tubular body, or tubular jacket, or sleeve, which is preferably
made of soft material and able to be adapted to the cap-shaped form of the helmet
and which is in fluid communication with given areas of the helmet and allows the
creation of an air circuit which is independent from other circuits or air flows in
the protective helmet 1.
[0032] Alternatively, the guiding member is a body which, when mounted in the helmet, is
able to create an air circuit or area which is independent of other air circuits or
flows inside the protective helmet 1.
[0033] In the embodiment shown in the figures, the guiding member 20 is seated inside the
first groove 9 and places the visor chamber 22 in fluid communication with the respective
rear extractor 6.
[0034] In order to establish this fluid communication, the guiding member 20 enters, or
leads into, or opens out directly inside the visor chamber 22 and opens out in turn
inside the respective rear extractor 6. In order to achieve such an opening arrangement,
the guiding member 20 may be arranged so as to open out inside the visor chamber 22
on one side and the extractor 6 on the other side, and the guiding member 20 may be
retained/held inside the respective groove 9 between the shell 2 and the layer with
energy absorption function 3.
[0035] The layer 20 is preferably not in fluid communication with the respective front ventilation
port 4, 5 so that an air flow which flows from the visor chamber 22 towards the rear
extractors 6 does not interfere with an air flow which enters via the front ventilation
port 4, 5 in order to air the user's head.
[0036] The management and organization of the air flows is described below with reference
to the attached figures.
[0037] With reference to Figure 6 and Figure 6A it can be seen that the air which strikes
the helmet enters via the front ventilation ports 4, 5 and, owing to a vacuum effect
which is created, during riding of the motorcycle, in the rear area of the helmet
in the region of the rear extractors 6, is sucked inside the helmet.
[0038] This air, which may be called ventilation/circulation air, passes through the holes
13, 14, 15, enters into the head region and passes out through the rear holes 18,
19 towards the rear extractors 6. The front ventilation ports 4,5, the holes 13, 14,
15, the rear holes 18, 19 and the rear extractors 6 form an air circuit.
[0039] The ventilation/circulation air flows may vary depending on the speed of the motorcycle,
the position/inclination of the helmet and/or the position of the motorcyclist.
[0040] In order to demist the visor, owing to the vacuum which is created in the region
of the rear extractors 6, an air flow is sucked in via the visor chamber 22 and, passing
inside the guiding members 20, is expelled through the rear extractors 6 (Figure 7).
The air may enter into the visor chamber 22 via the underlying zone of the helmet
in the region of the chin and the neck of the user and/or via suitable air vents provided
in the chin-piece (not visible in the drawings). The visor chamber 22, the guiding
member 20 and the rear extractors 6 form another air circuit.
[0041] As can be understood from Figure 6 and Figure 6A any air which circulates via the
front ventilation port 4, 5 and passes along the first groove 9 on the outer side
of the guiding member 20, does not interfere with the air which passes inside the
guiding member 20.
[0042] Consequently, if, depending on the speed of the motorcycle, position/inclination
of the helmet and/or position of the motorcyclist, the ventilation/circulation air
flow varies inside the helmet, this variation in flow does not affect or interfere
with the demisting air flow. Consequently, the risk of turbulence or chaotic air flows
being formed, in particular in the intersection zone of the grooves 9, 10, which could
result in head losses for the demisting ventilation, is avoided.
[0043] In fact, if such a guiding member were not present, as can be seen in Figure 8, considerable
turbulence could form in the air circuits, in particular with an increase in the ventilation/circulation
air flow, with the negative effect of head loss in the demisting air flow.
[0044] The embodiment of the motorcycling helmet described and illustrated here forms only
one example which may be subject to numerous variations. For example, it is possible
to envisage a version which is double compared to that described, with the use of
a guiding member arranged in fluid communication with the front ventilation ports
for conveying the ventilation/circulation flow.
[0045] Alternatively it is possible to envisage the use of guiding members both for the
ventilation/circulation air flow and for the demisting air flow.
[0046] It should in fact be noted that, owing to the use of air guiding members and in general
any other system which isolates the air circuits connecting ventilation openings with
areas of the helmet or with other ventilation openings, such that the air flows are
independent, it is possible to design or organize
a priori a ventilation system according to needs and depending on the type of helmet to be
made.
[0047] The number of grooves and ventilation holes, as well as their positioning in the
helmet, may also be varied according to needs.
[0048] The grooves or recesses may be formed in any layer which forms the helmet, depending
on the structure and configuration of the helmet. The layer with energy absorption
function or the layer with anti-penetration function may be made using any material
known to the person skilled in the art.
[0049] It should also be noted that the fluid flows in the helmet which are independent
of each other may be different from the specific air flows described in the aforementioned
embodiment.
1. Protective helmet (1) including one or more air guiding members (20) configured to
place in fluid communication at least one area of the helmet (22) with one or more
ventilation ports (6) for output/expulsion of air so as to define a first ventilation
path or circuit intended for the passage of air flow in the helmet, wherein the first
ventilation path is independent from, and/or isolated, and/or not in fluid communication
with, or not interfering with, a second path or circuit intended for the passage of
another air flow in the helmet, wherein the area of the helmet is a visor chamber
(22) and the one or more ventilation ports (6) are one or more rear ventilation ports
of the helmet, wherein the first path extends between the visor chamber (22) and said
rear ventilation port (6) of the helmet and wherein the second path extends between
a front ventilation port (4, 5) and said rear ventilation port (6) of the helmet,
wherein said one or more guiding members (20) are associated with said first path
or circuit.
2. Protective helmet (1) according to claim 1, and wherein said guiding members (20)
are associated with said first path or circuit and said second path or circuit.
3. Protective helmet (1) according to claim 1 or 2, wherein said one or more guiding
members (20) is/are one or more tubular bodies (20) or bodies configured to define
a closed cross-section when mounted in the helmet.
4. Protective helmet (1) according to claim 3 when in combination with claim 1, wherein
said one or more tubular bodies are bodies which can be manipulated individually with
respect to a structure of the helmet and said first path or circuit is defined by
said tubular bodies and said second path or circuit is defined by holes formed in
said structure of the helmet.
5. Protective helmet (1) according to claim 4, wherein said tubular bodies are closed
with respect to said holes.
6. Protective helmet (1) according to any one of the preceding claims, comprising a body
of the helmet, and wherein the first ventilation path or circuit and the second ventilation
path or circuit are channels extending in the body of the helmet each between a respective
inlet mouth or opening and a respective outlet mouth or opening.
7. Protective helmet (1) according to any one of the preceding claims, wherein the first
ventilation path or circuit and the second ventilation path or circuit are paths included
in a same layer (3) of the helmet.
8. Protective helmet (1) according to any one of the preceding claims, wherein the first
ventilation path or circuit and the second ventilation path or circuit are paths covered
by an outer shell (2) of the helmet.
9. Protective helmet (1) according to any one of the preceding claims, including a layer
with energy absorption function (3) and wherein both the first ventilation path or
circuit and the second ventilation path or circuit extend in the layer with energy
absorption function (3) in an area comprised between an intrados side of the layer
with energy absorption function (3) and an outer shell (2) of the helmet.
10. Protective helmet (1) according to any one of the preceding claims, wherein the first
ventilation path or circuit and the second ventilation path or circuit both extend
between a front area of the helmet and a rear area.
11. Protective helmet (1) according to any one of the preceding claims, wherein the first
ventilation path or circuit has a ventilation function different from the second ventilation
path or circuit, and wherein the first ventilation path or circuit is designed to
allow demisting of a visor of the helmet, and the second ventilation path or circuit
is designed to allow ventilation or airing of the user's head.
12. Protective helmet (1) according to any one of the preceding claims in combination
with claim 3, including one or more grooves or recesses (9, 10) and wherein said one
or more tubular bodies (20) are housed in a respective groove or recess (9).
13. Protective helmet (1) according to claim 12 in combination with claim 9, wherein said
grooves or recesses (9, 10) are formed in said layer with energy absorption function
(3).
14. Protective helmet (1) according to any one of the preceding claims, comprising at
least one first longitudinally extending groove (9) which extends along the entire
top of the helmet between a front area and a rear area of the helmet, and a second
groove (10) that branches off on one side of the first groove (9) and is located in
a front region of the helmet, said first groove (9) being intended to accommodate
a respective tubular body (20), and said second groove (10) being provided with one
or more through-holes (13, 14, 15) intended to provide fluid communication between
the front ventilation port (4, 5) and an inner side of the helmet, and wherein the
helmet includes one or more through-holes (18, 19) configured to provide fluid communication
between the rear ventilation port (6) and an inner side of the helmet.
15. Protective helmet (1) according to claim 14, wherein said one or more front ventilation
ports (4, 5), said one or more first through-holes (13, 14, 15) and said one or more
second through-holes (18, 19) and said one or more rear ventilation ports (6) are
part of said second circuit.
16. Method for managing ventilation in a protective helmet, wherein the method envisages
- arranging a first ventilation path or circuit and a second ventilation path or circuit,
wherein the first ventilation path or circuit and the second ventilation path or circuit
are paths or circuits physically separate or independent from each other, or paths
or circuits not in mutual fluid communication, or otherwise paths or circuits configured
to avoid a mutual interference between flows of air, or
- directing at least one air flow in a first air circuit of the helmet from an area
of the helmet towards one or more ventilation ports (6) for output/expulsion of air
independently and/or separately and/or without fluid communication with respect to,
or without interfering with, at least one second circuit intended to allow passage
of an air flow into the helmet, wherein an air flow, which extends from the visor
chamber (22) towards the ventilation port (6) for output of air for demisting the
visor is made independent from, or is isolated with respect to, an air flow extending
between a front ventilation port (4, 5) and said ventilation port (6) for output of
air and intended to air an internal area of the helmet intended to accommodate the
head of a user, wherein the air is made to exit from a rear area of the helmet via
the two independent paths.
17. Method according to claim 16, wherein an air flow which extends from the visor chamber
towards the ventilation port for output of air is made independent, or isolated, from
another flow, wherein one of said flows is conveyed in one or more tubular bodies
(20) or bodies configured to form a closed cross-section once mounted in the helmet
and the other of said flows is conveyed in holes formed in a layer with energy absorption
function (3), said tubular bodies (20) or bodies configured to form a closed cross-section
once mounted in the helmet being bodies which are structurally independent or singly
able to be maneuvered with respect to said layer with energy absorption function (3).
1. Schutzhelm (1) mit einem oder mehreren Luftführungselementen (20), die so ausgelegt
sind, dass mindestens einen Bereich des Helms (22) mit einer oder mehreren Belüftungsöffnungen
(6) zum Abgeben/Ausstoßen von Luft in Fluidverbindung setzen, um so einen ersten Belüftungspfad
oder -kreis zu bilden, der für den Durchtritt eines Luftstroms im Helm gedacht ist,
wobei der erste Belüftungspfad unabhängig von und/oder isoliert von und/oder nicht
in Fluidverbindung oder Überlagerung mit einem zweiten Pfad oder Kreis ist, der für
den Durchtritt eines anderen Luftstroms im Helm gedacht ist, wobei der Bereich des
Helms eine Visierkammer (22) darstellt und es sich bei der einen oder den mehreren
Belüftungsöffnungen (6) um eine oder mehrere hintere Belüftungsöffnungen des Helms
handelt, wobei der erste Pfad zwischen der Visierkammer (22) und der hinteren Belüftungsöffnung
(6) des Helms verläuft und der zweite Pfad zwischen einer vorderen Belüftungsöffnung
(4, 5) und der hinteren Belüftungsöffnung (6) des Helms verläuft, wobei das eine oder
die mehreren Führungselemente (20) dem ersten Pfad oder Kreis zugeordnet ist bzw.
sind.
2. Schutzhelm (1) nach Anspruch 1, wobei die Führungselemente (20) dem ersten Pfad oder
Kreis und dem zweiten Pfad oder Kreis zugeordnet sind.
3. Schutzhelm (1) nach Anspruch 1 oder 2, wobei es sich bei dem einen oder den mehreren
Führungselementen (20) um einen oder mehrere Schlauchkörper (20) oder Körper handelt,
die so ausgelegt sind, dass sie bei Anbringung im Helm einen geschlossenen Querschnitt
bilden.
4. Schutzhelm (1) nach Anspruch 3, wenn in Kombination mit Anspruch 1, wobei es sich
bei dem einen oder den mehreren Schlauchkörpern um Körper handelt, die in Bezug auf
eine Struktur des Helms einzeln betätigt werden können, und der erste Pfad oder Kreis
durch die Schlauchkörper definiert ist und der zweite Pfad oder Kreis durch in der
Struktur des Helms gebildete Öffnungen definiert ist.
5. Schutzhelm (1) nach Anspruch 4, wobei die Schlauchkörper in Bezug auf die Öffnungen
geschlossen sind.
6. Schutzhelm (1) nach einem der vorhergehenden Ansprüche, mit einem Korpus des Helms,
und wobei es sich beim ersten Belüftungspfad oder -kreis und zweiten Belüftungspfad
oder -kreis um Kanäle handelt, die im Korpus des Helms jeweils zwischen einer jeweiligen
Einlassmündung oder -öffnung und einer jeweiligen Auslassmündung oder -öffnung verlaufen.
7. Schutzhelm (1) nach einem der vorhergehenden Ansprüche, wobei es sich beim ersten
Belüftungspfad oder -kreis und zweiten Belüftungspfad oder -kreis um Pfade handelt,
die in derselben Schicht (3) des Helms enthalten sind.
8. Schutzhelm (1) nach einem der vorhergehenden Ansprüche, wobei es sich beim ersten
Belüftungspfad oder -kreis und zweiten Belüftungspfad oder -kreis um Pfade handelt,
die von einer Außenhülle (2) des Helms überdeckt sind.
9. Schutzhelm (1) nach einem der vorhergehenden Ansprüche, eine Schicht mit Energieabsorptionsfunktion
(3) aufweisend, und wobei sowohl der erste Belüftungspfad oder -kreis als auch der
zweite Belüftungspfad oder -kreis in der Schicht mit Energieabsorptionsfunktion (3)
in einem Bereich verlaufen, der sich zwischen einer Intrados-Seite der Schicht mit
Energieabsorptionsfunktion (3) und der Außenhülle (2) des Helms erstreckt.
10. Schutzhelm (1) nach einem der vorhergehenden Ansprüche, wobei der ersten Belüftungspfad
oder -kreis und der zweite Belüftungspfad oder -kreis jeweils zwischen einem vorderen
Bereich des Helms und einem hinteren Bereich verlaufen.
11. Schutzhelm (1) nach einem der vorhergehenden Ansprüche, wobei der ersten Belüftungspfad
oder -kreis eine andere Belüftungsfunktion hat als der zweite Belüftungspfad oder
-kreis, und wobei der ersten Belüftungspfad oder -kreis dafür konzipiert ist, eine
Anti-Beschlagfunktion für ein Visier des Helms zu ermöglichen, und der zweite Belüftungspfad
oder -kreis dafür konzipiert ist, eine Belüftung oder Lüftung des Kopfes eines Benutzers
zu ermöglichen.
12. Schutzhelm (1) nach einem der vorhergehenden Ansprüche in Kombination mit Anspruch
3, eine oder mehrere Rillen oder Aussparungen (9, 10) aufweisend, und wobei der eine
oder die mehreren Schlauchkörper (20) in einer jeweiligen Rille oder Aussparung (9)
aufgenommen sind.
13. Schutzhelm (1) nach Anspruch 12 in Kombination mit Anspruch 9, wobei die Rillen oder
Aussparungen (9, 10) in der Schicht mit Energieabsorptionsfunktion (3) gebildet sind.
14. Schutzhelm (1) nach einem der vorhergehenden Ansprüche, mit mindestens einer ersten
längs verlaufenden Rille (9), die entlang der gesamten Oberseite des Helms zwischen
einem vorderen Bereich und einem hinteren Bereich des Helms verläuft, und einer zweiten
Rille (10), die auf einer Seite der ersten Rille (9) abzweigt und sich in einer vorderen
Zone des Helms befindet, wobei die erste Rille (9) dazu gedacht ist, einen jeweiligen
Schlauchkörper (20) aufzunehmen, und die zweite Rille (10) mit einer oder mehreren
Durchgangsöffnungen (13, 14, 15) versehen ist, die dazu gedacht sind, eine Fluidverbindung
zwischen der vorderen Belüftungsöffnung (4, 5) und einer Innenseite des Helms bereitzustellen,
und wobei der Helm eine oder mehrere Durchgangsöffnungen (18, 19) aufweist, die so
ausgelegt sind, dass sie eine Fluidverbindung zwischen der hinteren Belüftungsöffnung
(6) und einer Innenseite des Helms bereitstellen.
15. Schutzhelm (1) nach Anspruch 14, wobei die eine oder die mehreren vorderen Belüftungsöffnungen
(4, 5), die eine oder die mehreren ersten Durchgangsöffnungen (13, 14, 15), die eine
oder die mehreren zweiten Durchgangsöffnungen (18, 19) und die eine oder die mehreren
hinteren Belüftungsöffnungen (6) Teil des zweiten Kreises sind.
16. Verfahren zum Steuern der Belüftung in einem Schutzhelm, wobei das Verfahren Folgendes
vorsieht:
- Anordnen eines ersten Belüftungspfads oder -kreises und eines zweiten Belüftungspfads
oder -kreises, wobei es sich bei dem ersten Belüftungspfad oder -kreis und dem zweiten
Belüftungspfad oder -kreis um Pfade oder Kreise handelt, die physisch getrennt oder
voneinander unabhängig sind, oder um Pfade oder Kreise, die nicht in gegenseitiger
Fluidverbindung stehen, oder anderweitig um Pfade oder kreise, die so ausgelegt sind,
dass eine gegenseitige Beeinflussung von Luftströmen vermieden wird, oder
- Leiten von mindestens einem Luftstrom in einem ersten Luftkreis des Helms von einem
Bereich des Helms zu einer oder mehreren Belüftungsöffnungen (6) zum unabhängigen
und/oder separaten Abgeben/Ausstoßen von Luft und/oder ohne Fluidverbindung oder Überlagerung
mit mindestens einem zweiten Kreis, der dazu gedacht ist, einen Durchtritt eines Luftstroms
im Helm zu ermöglichen, wobei ein Luftstrom, der von der Visierkammer (22) zur Belüftungsöffnung
(6) zur Abgabe von Luft für eine Anti-Beschlagfunktion des Visiers verläuft, unabhängig
von oder isoliert in Bezug auf einen Luftstrom ist, der zwischen einer vorderen Belüftungsöffnung
(4, 5) und der Belüftungsöffnung (6) zur Abgabe von Luft verläuft und dafür gedacht
ist, einen inneren Bereich des Helms zu belüften, der zur Aufnahme des Kopfes eines
Benutzers gedacht ist, wobei die Luft von einem hinteren Bereich des Helms über die
zwei unabhängigen Pfade zum Ausströmen gebracht wird.
17. Verfahren nach Anspruch 16, wobei ein Luftstrom, der von der Visierkammer zur Belüftungsöffnung
zur Abgabe von Luft verläuft, unabhängig von oder isoliert von einem anderen Strom
ist, wobei einer der Ströme in einem oder mehreren Schlauchkörpern (20) oder Körpern
befördert wird, die so ausgelegt sind, dass sie einen geschlossenen Querschnitt bilden,
sobald sie im Helm angebracht sind, und der andere der Ströme in Öffnungen befördert
wird, die in einer Schicht mit Energieabsorptionsfunktion (3) gebildet sind, wobei
es sich bei den Schlauchkörpern (20) oder Körpern, die so ausgelegt sind, dass sie
einen geschlossenen Querschnitt bilden, sobald sie im Helm angebracht sind, um Körper
handelt, die strukturell unabhängig sind oder in Bezug auf die Schicht mit Energieabsorptionsfunktion
(3) einzeln betätigt werden können.
1. Casque de protection (1) comprenant un ou plusieurs éléments de guidage d'air (20)
configurés pour placer, en communication de fluide, au moins une zone du casque (22)
avec un ou plusieurs orifices de ventilation (6) pour la sortie / l'expulsion de l'air
afin de définir une première trajectoire ou circuit de ventilation prévu(e) pour le
passage de l'écoulement d'air dans le casque, dans lequel la première trajectoire
de ventilation est indépendante de et/ou isolée et/ou pas en communication de fluide
ou n'interférant pas avec une seconde trajectoire ou circuit prévu(e) pour le passage
d'un autre écoulement d'air dans le casque, dans lequel la zone du casque est une
chambre de visière (22) et les un ou plusieurs orifices de ventilation (6) sont un
ou plusieurs orifices de ventilation arrière du casque, dans lequel la première trajectoire
s'étend entre la chambre de visière (22) et ledit orifice de ventilation arrière (6)
du casque et dans lequel la seconde trajectoire s'étend entre un orifice de ventilation
avant (4, 5) et ledit orifice de ventilation arrière (6) du casque, dans lequel lesdits
un ou plusieurs éléments de guidage (20) sont associés avec ladite première trajectoire
ou circuit.
2. Casque de protection (1) selon la revendication 1, et dans lequel lesdits éléments
de guidage (20) sont associés avec ladite première trajectoire ou circuit et ladite
seconde trajectoire ou circuit.
3. Casque de protection (1) selon la revendication 1 ou 2, dans lequel lesdits un ou
plusieurs éléments de guidage (20) est/sont un ou plusieurs corps tubulaires (20)
ou corps configurés pour définir une section transversale fermée lorsqu'ils sont montés
dans le casque.
4. Casque de protection (1) selon la revendication 3, lorsqu'elle est en combinaison
avec la revendication 1, dans lequel lesdits un ou plusieurs corps tubulaires sont
des corps qui peuvent être manipulés individuellement par rapport à une structure
du casque et ladite première trajectoire ou circuit est défini(e) par lesdits corps
tubulaires et ladite seconde trajectoire ou circuit est défini(e) par des trous formés
dans ladite structure du casque.
5. Casque de protection (1) selon la revendication 4, dans lequel lesdits corps tubulaires
sont fermés par rapport auxdits trous.
6. Casque de protection (1) selon l'une quelconque des revendications précédentes, comprenant
un corps du casque et dans laquelle la première trajectoire ou circuit de ventilation
et la seconde trajectoire ou circuit de ventilation sont des canaux s'étendant dans
le corps du casque, chacun entre une bouche ou ouverture d'entrée respective et une
bouche ou ouverture de sortie respective.
7. Casque de protection (1) selon l'une quelconque des revendications précédentes, dans
lequel la première trajectoire ou circuit de ventilation et la seconde trajectoire
ou circuit de ventilation sont des trajectoires incluses dans la même couche (3) du
casque.
8. Casque de protection (1) selon l'une quelconque des revendications précédentes, dans
lequel la première trajectoire ou circuit de ventilation et la seconde trajectoire
ou circuit de ventilation sont des trajectoires recouvertes par une coque externe
(2) du casque.
9. Casque de protection (1) selon l'une quelconque des revendications précédentes, comprenant
une couche avec une fonction d'absorption d'énergie (3) et dans lequel à la fois la
première trajectoire ou circuit de ventilation et la seconde trajectoire ou circuit
de ventilation s'étendent dans la couche avec la fonction d'absorption d'énergie (3)
dans une zone comprise entre un côté intrados de la couche avec la fonction d'absorption
d'énergie (3) et une coque externe (2) du casque.
10. Casque de protection (1) selon l'une quelconque des revendications précédentes, dans
lequel la première trajectoire ou circuit de ventilation et la seconde trajectoire
ou circuit de ventilation s'étendent toutes deux entre une zone avant du casque et
une zone arrière.
11. Casque de protection (1) selon l'une quelconque des revendications précédentes, dans
lequel la première trajectoire ou circuit de ventilation a une fonction de ventilation
différente de la seconde trajectoire ou circuit de ventilation, et dans lequel la
première trajectoire ou circuit de ventilation est conçu(e) pour permettre le désembuage
d'une visière du casque, et la seconde trajectoire ou circuit de ventilation est conçu(e)
pour permettre la ventilation ou l'aération de la tête de l'utilisateur.
12. Casque de protection (1) selon l'une quelconque des revendications précédentes, en
combinaison avec la revendication 3, comprenant une ou plusieurs rainures ou évidements
(9, 10) et dans lequel lesdits un ou plusieurs corps tubulaires (20) sont logés dans
une rainure respective ou un évidement (9) respectif.
13. Casque de protection (1) selon la revendication 12, en combinaison avec la revendication
9, dans lequel lesdites rainures ou évidements (9, 10) sont formés dans ladite couche
avec la fonction d'absorption d'énergie (3).
14. Casque de protection (1) selon l'une quelconque des revendications précédentes, comprenant
au moins une première rainure s'étendant longitudinalement (9) qui s'étend le long
de toute la partie supérieure du casque entre une zone avant et une zone arrière du
casque, et une seconde rainure (10) qui bifurque d'un côté de la première rainure
(9) et est positionnée dans une région avant du casque, ladite première rainure (9)
étant prévue pour loger un corps tubulaire (20) respectif, et ladite seconde rainure
(10) étant prévue avec un ou plusieurs trous débouchants (13, 14, 15) prévus pour
fournir la communication de fluide entre l'orifice de ventilation avant (4, 5) et
un côté interne du casque, et dans lequel le casque comprend un ou plusieurs trous
débouchants (18, 19) configurés pour fournir la communication de fluide entre l'orifice
de ventilation arrière (6) et un côté interne du casque.
15. Casque de protection (1) selon la revendication 14, dans lequel lesdits un ou plusieurs
orifices de ventilation avant (4, 5), lesdits un ou plusieurs premiers trous débouchants
(13, 14, 15) et lesdits un ou plusieurs seconds trous débouchants (18, 19) et lesdits
un ou plusieurs orifices de ventilation arrière (6) font partie dudit second circuit.
16. Procédé pour gérer la ventilation dans un casque de protection, dans lequel le procédé
envisage les étapes suivantes :
agencer une première trajectoire ou circuit de ventilation et une seconde trajectoire
ou circuit de ventilation, dans lequel la première trajectoire ou circuit de ventilation
et la seconde trajectoire ou circuit de ventilation sont des trajectoires ou des circuits
physiquement séparés ou indépendants les uns des autres, ou des trajectoires ou des
circuits qui ne sont pas en communication de fluide mutuelle ou bien des trajectoires
ou des circuits configurés pour éviter une interférence mutuelle entre les écoulements
d'air, ou
diriger au moins un écoulement d'air dans un premier circuit d'air du casque à partir
d'une zone du casque vers un ou plusieurs orifices de ventilation (6) pour la sortie
/ l'expulsion de l'air indépendamment et/ou séparément et/ou sans communication de
fluide par rapport à ou sans interférer avec au moins un second circuit prévu pour
permettre le passage d'un écoulement d'air dans le casque, dans lequel un écoulement
d'air, qui s'étend à partir de la chambre de visière (22) vers l'orifice de ventilation
(6) pour la sortie d'air afin de désembuer la visière, est réalisé indépendamment
de ou est isolé par rapport à un écoulement d'air s'étendant entre un orifice de ventilation
avant (4, 5) et ledit orifice de ventilation (6) pour la sortie d'air et prévu pour
aérer une zone interne du casque prévue pour loger la tête d'un utilisateur, dans
lequel l'air peut sortir par une zone arrière du casque via les deux trajectoires
indépendantes.
17. Procédé selon la revendication 16, dans lequel un écoulement d'air qui s'étend à partir
de la chambre de visière vers l'orifice de ventilation pour la sortie de l'air est
rendu indépendant, ou isolé d'un autre écoulement, dans lequel l'un desdits écoulements
est transporté dans un ou plusieurs corps tubulaires (20) ou corps configurés pour
former une section transversale fermée, une fois montés dans le casque et l'autre
desdits écoulements est transporté dans des trous formés dans une couche avec la fonction
d'absorption d'énergie (3), lesdits corps tubulaires (20) ou corps configurés pour
former une section transversale fermée, une fois montés dans le casque, étant des
corps qui sont structurellement indépendants ou peuvent être manœuvrés seuls par rapport
à ladite couche avec la fonction d'absorption d'énergie (3).
REFERENCES CITED IN THE DESCRIPTION
This list of references cited by the applicant is for the reader's convenience only.
It does not form part of the European patent document. Even though great care has
been taken in compiling the references, errors or omissions cannot be excluded and
the EPO disclaims all liability in this regard.
Patent documents cited in the description