The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 11, 2002

Filed:

Jun. 30, 2000
Applicant:
Inventors:

Benedikt Heudorfer, Nersingen, DE;

Patrick David, Ulm, DE;

Jochen Maidel, Ulm, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60R 2/124 ; B60R 2/116 ; F16K 1/514 ;
U.S. Cl.
CPC ...
B60R 2/124 ; B60R 2/116 ; F16K 1/514 ;
Abstract

The invention relates to a non return valve for an airbag of a vehicle passenger retention system, which is provided with a connection hose between two chambers of the airbag, wherein in the connector hose a fabric inlay is accommodated. The fabric inlay subdivides the connection hose into a flow passage between the first and the second chamber and a pressure chamber which is in connection with the second chamber. As soon as the internal pressure in the first chamber is greater than that in the second chamber the fabric inlay opens the flow passage. If on the contrary the internal pressure in the second chamber is greater than that in the first chamber the fabric inlay closes off the flow passage by means of the internal pressure which acts in the pressure chamber.


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