David G Call

US Patent:

7182093, Feb 27, 2007

Filed:

Nov 12, 2003

Appl. No.:

10/706509

Inventors:

David Call - Sterling MA, US
Daniel D. Carlson - Fenton MI, US
John J. Strzempko - Ashburnham MA, US
Brenda Schworer - Barre MA, US

Assignee:

TRW Automotive U.S. LLC - Livonia MI

International Classification:

F16K 15/14

US Classification:

137 1518, 13751215, 137854, 137855, 454162

Abstract:

A pressure relief valve () for relieving air pressure from a passenger compartment () of a vehicle () includes a base () having a central portion () and a peripheral portion (). A plurality of openings () extends through the base () and a plurality of flaps () closes the openings (). Each flap () is associated with at least one opening (). An inner end () of each flap () connects with the central portion () of the base (). An outer end () of each flap () is movable relative to the central portion () of the base () and the other flaps for enabling airflow through the at least one associated opening (). The pressure relief valve () further includes a connector () on the base () that is configured for securing the pressure relief valve () to the vehicle ().

US Patent:

7302962, Dec 4, 2007

Filed:

Oct 15, 2003

Appl. No.:

10/686212

Inventors:

David Call - Sterling MA, US
Brenda Schworer - Barre MA, US
Daniel D. Carlson - Fenton MI, US

Assignee:

TRW Automotive U.S. LLC - Livonia MI

International Classification:

F16K 15/16
B60H 1/24

US Classification:

137 1518, 1375121, 13751215, 137852, 137859, 454162

Abstract:

A pressure relief valve () for relieving air pressure from a passenger compartment () of a vehicle () includes a base () having a peripheral portion (). A central opening () extends through the peripheral portion (). The pressure relief valve () also includes a plurality of flaps () for closing the central opening () of the base (). Each flap () has an outer end () connected with the peripheral portion () of the base () and an inner end () that is movable relative to the peripheral portion () and the other flaps () for enabling airflow through the central opening (). Each flap () has opposite surfaces ( and ) against which air pressure acts. Differential air pressure acts on the opposite surfaces ( and ) causing the flap () to move to enable airflow through the central opening ().