Non-return valve for a ventilation device and such a ventilation device

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United States of America Patent

APP PUB NO 20090075580A1
SERIAL NO

12229974

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Abstract

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A non-return valve for a ventilation device (10) has ribs (20) which serve to reinforce the non-return valve (16), and a wall thickness (S), the wall thickness (S) of the non-return valve (16) does not vary in the region of the ribs (20).

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Patent Owner(s)

Patent OwnerAddress
TRW AUTOM ELECTRONICS & COMPONENTS GMBH2-8 78315 RADOLFZELL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hofmann, Juergen Eisenberg , DE 43 429
Loewe, Hubert Weselberg , DE 17 228
Mootz, Frank Heltersberg , DE 3 13

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