[0001] The present invention relates to parking facilities and more particularly is related
to parking facilities for storing a plurality of standardized cars.
BACKGROUND ART
[0002] Cities around the world have been experiencing growing difficulties related to individual
transportation systems, especially cars. Traffic jams and air pollution are well known
phenomena in many cities. Additionally, for citizens using their cars it is becoming
increasingly difficult to park their cars close to their destination. On-street parking
space is being reduced in the more densely populated urban areas to leave additional
room for pedestrians and cyclists, to create bus lanes or to devote it to other public
uses. Scarce off-street parking is thus becoming increasingly expensive.
[0003] In order to cope with some of the car-generated problems, cities are actively supporting
mass-transportation systems and alternative modes of transportation such as cycling.
Nevertheless, such options cannot provide an effective service to everyone and car
use is still quite generalized and will not disappear in the near future. Some of
the car-generated problems may diminish with an increased use of hybrid and, especially,
electric vehicles, a trend that seems unstoppable. However, even though electric cars
may reduce air pollution in cities, its use cannot avoid other problems related to
massive car use.
[0004] Some cities are also taking other complementary steps in order to reduce the fleet
of cars circulating daily including various regulatory strategies to limit car circulation
at a particular time and/or place. For example, some cities restrict the access of
particular cars into an urban district based upon the last digits of the license number
on pre-established days, or certain periods, normally the peak hours. Other cities
have developed a cordon road pricing, where some categories of motor vehicles must
pay to drive at certain hours within the most congested areas.
[0005] Another trend starting to be observed in cities around the world is "car sharing".
Car sharing is a form of car rental where people rent cars for short periods of time,
e.g. for an hour or a few hours. Car sharing may be particularly attractive to drivers
who make only occasional use of a car. The extensive use of car sharing may substantially
reduce the total number of cars occupying space in a city. If the car sharing fleets
were electric, city air quality may further be improved. However, this cannot in itself
solve the problems related to the parking of cars.
[0006] Document
US2003/0014302 describes an urban transportation system which comprises a pool of rental urban vehicles
all having the same size and physical configuration. The system further comprises
a computer-controlled mechanized facility for delivering, receiving, processing, servicing
and storing the vehicles.
[0007] Document
EP 2159349 describes a parking facility in spiral form for electric vehicles. However, these
systems are relatively expensive, and appear unsuitable for densely built urban areas.
[0008] There still exists a need to develop a parking facility for a pool of standardized
vehicles which at least reduces some of the aforementioned problems.
SUMMARY OF THE INVENTION
[0009] In a first aspect, a parking facility for storing a plurality of standardized cars
is provided. The parking facility comprises an entrance, an exit and means for moving
cars from the entrance to the exit, the entrance and the exit being arranged above
ground level and each comprising an elevator. The parking facility further comprises
an underground tunnel connecting the entrance elevator with the exit elevator. The
tunnel may be configured such that cars can move only along a single lane from the
entrance to the exit.
[0010] All throughout the present description and claims, the term
standardized applied to a plurality of cars should be interpreted as a fleet of cars having substantially
the same perimeter dimensions in cross section.
[0011] According to this aspect, the parking facility comprises an underground tunnel in
which the cars can move only along a single lane. Inside the tunnel, the cars follow
a well-defined path in order to find their way out. It is thus substantially simple
to operate. Furthermore, the tunnel may be substantially shallow and narrow as it
only requires space to accommodate the cars of substantially the same size and occasionally
personnel from the operator company. This way, the parking facility provided may be
substantially compact. Even though the present invention especially concerns a parking
facility for storing a plurality of standardized electric cars, embodiments of the
present invention may also be suitable for hybrid or non-electric cars.
[0012] In some embodiments, the tunnel may be configured such that the single lane forms
a straight line. A tunnel along a straight line may be simpler to build and operate.
[0013] In some implementations, the tunnel may be arranged in an unused underground area
underneath a street. Due to its compact and simple structure, the tunnel may easily
be fitted underground alongside e.g. the sidewalk. In some implementations, at street
level, above the location of the parking for standardized cars, an on-street parking
area may be arranged. Furthermore such a location is particularly useful for arranging
the entrance and exit elevators in such a way that they do not disturb traffic. In
other cases, the space alongside the sidewalk, above the location of the parking for
standardized cars, may be used to expand sidewalks, for bicycle paths or for urban
furniture instead of on-street parking. An aspect of these implementations is that
the entrance and exit elevators may be easily integrated in the street while, at the
same time, the space available at street level is substantially not reduced.
[0014] As such, a parking space may be created effectively in a space of the public domain
that was previously unused.
[0015] Optionally, the tunnel may be arranged between utility pipes underneath a sidewalk
and a general collector arranged underneath the street. In many urban areas, most
utilities are placed either under the sidewalk or in the middle of the street. Water
supply pipes, electrical cables, telecommunication cables, gas and other utility pipes
generally have a well-defined location under the sidewalks, where they are more accessible.
This way, parking facilities according to the present invention may be arranged in
those unused underground areas, in which no pipes, wires or collectors are placed,
taking advantage of their compact design.
[0016] In some embodiments, the means for moving cars from the entrance to the exit may
comprise a remote activation mechanism adapted to actuate the standardized cars. Such
a system may be located in a remote central office from which it may start the cars'
engine and move them forward inside the tunnel and towards the exit. This may be useful
for moving a car that has just entered the parking up to its position behind the last
car, but may also be useful for moving each car individually so that a mechanical
conveyor system may be dispensed with. On the other hand, the cars inside the tunnel
may be advanced to get the next car to be used inside the exit elevator.
[0017] In other embodiments, the means for moving cars from the entrance to the exit may
comprise a conveyor system arranged inside the tunnel. Such a conveyor system may
be adapted to move the cars along the tunnel. In some of these embodiments, the conveyor
system may be adapted to move each car separately. In some cases, the conveyor system
may further be adapted to move the standardized cars substantially simultaneously.
This way, when a car enters the tunnel it can be moved along the tunnel by the conveyor
system up to e.g. the car that has been previously stored in the tunnel. Different
kinds of conveyor systems are generally known in the art and may be implemented in
embodiments of the present invention without difficulty. Such conveyor systems may
be controlled locally or remotely.
[0018] Optionally, such a conveyor system may further comprise traction means for moving
the standardized cars from the elevators to the tunnel and vice-versa. Alternatively,
the elevators may comprise a surface that may be inclined such that cars can roll
on or off.
[0019] In some embodiments, the tunnel may comprise inductive charging means at predefined
locations along its length. In implementations configured for use with electric cars,
inductive charging may take place during a car's stay in the parking. As the cars
are standardized and its position along the tunnel can be precisely controlled, inductive
means (e.g. windings) provided in the cars may be lined up accurately with inductive
charging means provided at one or more locations along the length of the tunnel. Furthermore,
the strong electromagnetic fields that may be induced for charging are provided below
ground, such that there are no health risks. In other embodiments, the tunnel may
comprise one or more plugs arranged at predefined positions along its length, such
that standardized electric cars comprising corresponding sockets may be charged.
[0020] In some embodiments, the tunnel may further comprise a prolongation extending in
front of the entrance elevator or past the exit elevator. This way, there is an underground
space in which one or more cars may be left e.g. for maintenance.
[0021] Another aspect provides a parking network comprising a plurality of parking facilities
substantially as hereinbefore described.
[0022] Additional objects, advantages and features of embodiments of the invention will
become apparent to those skilled in the art upon examination of the description, or
may be learned by practice of the invention.
BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Particular embodiments of the present invention will be described in the following
by way of non-limiting examples, with reference to the appended drawings, in which:
Figure 1a shows a schematic top view of a parking facility according to a first embodiment;
Figure 1b shows a detail of the view of figure 1a;
Figure 2 shows a longitudinal section of the parking facility of figure 1;
Figure 3 shows a cross-sectional view of the parking facility of figure 1; and
Figure 4 shows a top view of an area in a city provided with a parking facility according
to an embodiment;
Figure 5 shows a longitudinal section of the parking facility according to a second
embodiment;
Figures 6a and 6b show perspective views of the parking facility according to an embodiment.
DETAILED DESCRIPTION OF EMBODIMENTS
[0024] Figure 1a shows a top view of a parking facility for storing a plurality of standardized
cars 1 according to a first embodiment. These standardized cars may belong to a fleet
of a car sharing program. Figure 1a further shows an example of a location of such
a parking facility: underneath a street 6, along the length of a housing block 71.
[0025] Figure 1b shows a detail of figure 1a wherein the sidewalk 7 (see figure 1a) has
been left out in order to show at least some of the utilities that may be placed underneath
the sidewalk 7. Such utilities may be for example: low-voltage electricity lines 72,
telephone and telecommunication wires 73, medium-voltage electricity lines 74, pneumatic
waste collection pipes 75, gas pipes 76, water pipes 77, waste water collection 78
and street lighting and traffic lights 79. Figure 1b further shows a general collector
10 arranged underneath the street 6.
[0026] Figure 2 shows a longitudinal section along line A-A of figure 1a. The parking facility
may comprise an entrance 2 and an exit 3 which may be arranged above ground (reference
sign 4 shows the ground level line). The entrance 2 and the exit 3 may each comprise
an elevator 21, 31. The parking facility may further comprise an underground tunnel
5 connecting the entrance elevator 21 with the exit elevator 31. The tunnel 5 may
be configured as a single straight line connecting the elevators 21, 31. A car 11
may thus be driven by a user towards and into the entrance elevator 21 arranged above
ground. The user can then leave the car. The entrance elevator 21 may lower the car
12 underground where it can be moved, either through remote activation of the car
itself or by means of a conveyor system, towards the car 13 that was last stored.
When a new user arrives and requests a car, the car 14 may be moved towards the exit
elevator 21. The exit elevator 21 may raise the car and the user can pick up the car
from the exit elevator at ground level. In some cases the elevators may be in the
form of a platform that raises or lowers the cars respectively.
[0027] Web-linked and on board communication systems may provide the user with on-line information
about the state of the parking facility. In some cases, the parking facility may be
compatible with smartphones and intelligent transport systems to facilitate information
to users.
[0028] Also, the parking entrance and exit may further be provided with external panels
informing the users about the availability at the parking facility.
[0029] Figure 3 shows a cross-sectional view along line B-B of figure 1a. As mentioned above,
utilities 72 - 79 may be arranged underneath sidewalks 7. Sewers 9 may also run alongside
the façades connecting to the main collectors 10 in specific places, often in the
crossroads 80 (see figure 4). In such cases, they do not interfere with a parking
facility substantially as hereinbefore described. In addition, sewers 9 may usually
be arranged at ground level on the streets 6 next to the sidewalks 7. The pipes of
such sewers 9 may run towards a general collector 10 that may be arranged underneath
the street 6. Depending on specific local circumstances, the construction of the tunnel
5 may require some adaptations in the existing connections between sewers 9 and main
collectors 10. In general, the area of the street 6 close to the sidewalk may be practically
unused and thus suitable for the construction of a parking facility as shown in figure
3. This is particularly true for relatively wide streets. On the contrary, at street
level there may be substantially no visible modifications after the construction of
a parking facility substantially as hereinbefore described.
[0030] In the embodiment shown in figure 3, the tunnel 5 of the parking facility may be
arranged between an underground area underneath the sidewalk 7 and the general collector
10. Due to its compactness, the tunnel 5 may fit in the indicated small unused areas.
[0031] It will be clear however, that parking facilities substantially as hereinbefore described
may also be arranged in other suitable locations, such as for e.g. underneath parks,
or squares.
[0032] Figure 4 shows a top view of the same embodiment. According to figure 4, between
the entrance 2 and the exit 3 arranged above ground, there may be an on-street zone,
which may normally be used as an on-street parking 61. The entrance and exit elevators
may thus be well integrated in the street. Said on-street parking zone 61 may e.g.
comprise a charging station for electric or hybrid cars, taking advantage of the fact
that such charging facilities may already exist in the tunnel 5.
[0033] Figure 5 shows a longitudinal section of a parking facility for storing a plurality
of standardized cars 1' according to a second embodiment wherein the tunnel 5' may
comprise a prolongation 51 extending past the exit elevator 31'. In other alternatives
such a prolongation may extend into a space arranged before the entrance elevator
31'. This way one or more cars 1" may be left in such a prolongation 51 e.g. for maintenance.
In order to move the cars to the prolongation, the exit elevator or the entrance elevator
may comprise a door which may be remotely opened. Alternatively, the elevators may
be in the form of a simple platform raising and lowering the cars. Furthermore the
cars may be moved either by means of a further conveyor/traction means arrangement
or by means of a remote activation mechanism substantially as explained above.
[0034] In some of these embodiments comprising a prolongation, it may further be possible
to park one or more cars which may not belong to the fleet of a car sharing program
in a parking facility substantially as hereinbefore described. These cars may have
substantially similar dimensions as the standardized cars of the fleet of the car
sharing program in order to fit in the elevators and to be moved by e.g. a conveyor
system arranged inside the tunnel for moving the cars from the entrance to the exit.
[0035] This way, when a car not belonging to the fleet of the car sharing program is the
last car awaiting in line and a customer requests a standardized car of the car sharing
program before the owner of such a car not belonging to the fleet of the car sharing
program arrives, then the car not belonging to the fleet of the car sharing program
may be left in the prolongation in order to leave space for the next standardized
car of the car sharing program.
[0036] Figures 6a and 6b each show a perspective view of the parking facility according
to an implementation. Figure 6a is a perspective view from the top, whereas figure
6b provides a lateral view. In both cases, the sidewalk 7 is shown separated a distance
d from the on-street parking area 61 so as to see inside the tunnel 5. Inside the
tunnel 5, some standardized cars 1 may be parked. Simultaneously, some cars 62, 63
may be parked at the on-street parking area 61. Figure 6a and 6b clearly show that
a parking facility substantially as hereinbefore described may be rather compact and
may fit in a rather small area. In addition, such a parking facility does not substantially
reduce already existing on-street parking areas. Only the space used for the entrance
and exit elevators is needed. Furthermore, such a parking facility does not substantially
interfere with normal traffic circulating on the street or with pedestrians walking
on the sidewalks.
[0037] According to different embodiments, cars may be moved from the entrance to the exit
using different means, for example a conveyor system. In some cases, the cars, particularly
electric cars, may be adapted to be controlled by a remote activation mechanism, e.g.
an operator or a computer in a central office.
[0038] In general, a conveyor system may be provided capable of moving the cars only in
one direction, but in accordance with circumstances necessary it may be configured
for a two-way operation.
[0039] Although only a number of particular embodiments and examples of the invention have
been disclosed herein, it will be understood by those skilled in the art that other
alternative embodiments and/or uses of the invention and obvious modifications and
equivalents thereof are possible. Furthermore, the present invention covers all possible
combinations of the particular embodiments described. Thus, the scope of the present
invention should not be limited by particular embodiments, but should be determined
only by a fair reading of the claims that follow.
1. Parking facility for storing a plurality of standardized cars comprising an entrance,
an exit and means for moving cars from the entrance to the exit, the entrance and
the exit being arranged above ground level and each comprising an elevator, wherein
the parking facility further comprises an underground tunnel connecting the entrance
elevator with the exit elevator, wherein the tunnel is configured such that cars can
move only along a single lane from the entrance to the exit.
2. Parking facility according to claim 1, wherein the tunnel is configured such that
the single lane forms a substantially straight line.
3. Parking facility according to any of claims 1 or 2, wherein the tunnel is arranged
in an unused underground area underneath a street.
4. Parking facility according to any of claims 1 - 3, wherein the tunnel is arranged
between utility pipes underneath a sidewalk and a general collector arranged underneath
the street.
5. Parking facility according to any of claims 1 - 4, wherein the tunnel is arranged
underneath a parking zone at street level.
6. Parking facility according to any of claims 1 - 5, wherein the means for moving cars
from the entrance to the exit comprise a remote activation mechanism adapted to actuate
the standardized cars.
7. Parking facility according to any of claims 1 - 6, wherein the means for moving cars
from the entrance to the exit comprise a conveyor system arranged inside the tunnel
and adapted to move the standardized cars along the tunnel.
8. Parking facility according to claim 7, wherein the conveyor system is adapted to move
each standardized car separately.
9. Parking facility according to claim 8, wherein the conveyor system is further adapted
to move the standardized cars substantially simultaneously.
10. Parking facility according to any of claims 7 - 9, wherein the conveyor system further
comprises traction means for moving the standardized cars from the elevators to the
tunnel and vice-versa.
11. Parking facility according to any of claims 7 - 10, wherein the conveyor system is
further adapted to move the standardized cars only in one way.
12. Parking facility according to any of claims 1 - 11, wherein the tunnel comprises inductive
charging means at predefined locations along its length.
13. Parking facility according to any of claims 1 - 11, wherein the tunnel comprises one
or more plugs or sockets arranged at a predefined position along its length, and wherein
the standardized cars comprise the other of the plug or socket.
14. Parking facility according to any of claims 1 - 13, wherein the tunnel further comprises
a prolongation extending in front of the entrance elevator or past the exit elevator.
15. Parking network comprising one or more parking facilities according to any of claims
1 - 14.