Apparatus for reducing noise entering a vehicle passenger...

Details Apparatus for reducing noise entering a vehicle passenger... Apparatus for reducing noise entering a vehicle passenger...

2005-03-15

2005-03-15

Joyce, Harold (Department: 3749)

Ventilation

Vehicle

Having outlet airway

C454S906000

Reexamination Certificate

active

06866576

ABSTRACT:
An apparatus (10) includes a pressure relief valve (12) for relieving air pressure from a passenger compartment (76) of a vehicle (66). The pressure relief valve (12) enables airflow from the passenger compartment (76) to atmosphere (78). The apparatus (10) also includes a member (14) for reducing noise entering the passenger compartment (76) as a result of a backflow of air through the pressure relief valve (12) from atmosphere (78) to the passenger compartment (76). The member (14) includes structure (112, 114) for attaching the member (14) to the pressure relief valve (12).

REFERENCES:
patent: 3286617 (1966-11-01), Shirk
patent: 4537115 (1985-08-01), Haesters
patent: 5105731 (1992-04-01), Kraus
patent: 5472378 (1995-12-01), Skoff
patent: 6273127 (2001-08-01), Wade

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