EP 1959210 A1 20080820 - Backflow protection apparatus for ventilation device

Title (en)

Backflow protection apparatus for ventilation device

Title (de)

Rückschlagklappe für Lüftungsvorrichtung

Title (fr)

Appareil de protection de reflux pour appareil ventilation

Publication

EP 1959210 A1 20080820 (EN)

Application

EP 07102617 A 20070219

Priority

EP 07102617 A 20070219

Abstract (en)

The invention relates to A backflow protection apparatus (1) for an air ventilator (2). The air ventilator (2) comprises a first air inlet (2.1), an air outlet (2.2), and an air channel (2.3) to enable air flow between the first air inlet (2.1) and the air outlet (2.2). The backflow protection apparatus (1) comprises a backflow trap (1.1) having a first edge (1.1.1) and a second edge (1.1.2) and a convex surface between said first edge (1.1.1) and said second edge (1.1.2). The backflow protection apparatus (1) further comprises an installation element (1.2), which comprises a support element (1.2.2) for supporting the backflow trap (1.1) at said first edge (1.1.1).

IPC 8 full level

F24F 13/18 (2006.01)

CPC (source: EP)

E06B 7/10 (2013.01); F24F 13/18 (2013.01); E06B 2007/026 (2013.01)

Citation (applicant)

EP 0801275 A2 19971015 - TARPIO TAPIO [FI]
US 5916023 A 19990629 - MEYER STEPHEN T [US]
EP 1445415 A1 20040811 - TARPIO TAPIO [FI]

Citation (search report)

[X] US 5916023 A 19990629 - MEYER STEPHEN T [US]
[X] EP 1445415 A1 20040811 - TARPIO TAPIO [FI]
[X] DE 2904320 B1 19800807 - KIPARSKI HEINZ, et al
[X] US 4002110 A 19770111 - TEODORESCU CONSTANTIN, et al
[X] FI 40217 B 19680731 - BAHCO AB [SE]
[A] US 4939986 A 19900710 - TURNER CHARLES R [US]
[A] EP 1630486 A2 20060301 - DELPHI TECH INC [US]
[A] DE 20115688 U1 20011206 - TROX GMBH GEB [DE]
[A] JP 2004226053 A 20040812 - SAEKI JOICHI, et al
[A] US 5167578 A 19921201 - LEGAULT REGINALD C [CA]

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

EP 1959210 A1 20080820; EP 1988341 A1 20081105

DOCDB simple family (application)

EP 07102617 A 20070219; EP 08150943 A 20080201