Shield between vehicle exhaust and passenger compartment

Details Shield between vehicle exhaust and passenger compartment Shield between vehicle exhaust and passenger compartment

1995-03-23

1995-11-07

Dang, Khanh

Acoustics

Sound-modifying means

Combined

180 892, F01N 500, B60K 1304

Patent

active

054649528

ABSTRACT:
A shield for mounting on a vehicle intermediate the passenger compartment and the exhaust system is formed as a sandwich of a fibrous layer between two heat reflecting layers. During the manufacturing process a hardenable resin impregnates the periphery of the fibrous layer and hardens in place to serve as an adhesive for bonding the layers together and providing a hard rigid mounting bracket. The fibrous layer intermediate its peripheral edges is relatively loosely held in place to serve as a sound absorbing barrier.

REFERENCES:
patent: 3237716 (1966-03-01), Parsons
patent: 3491849 (1970-01-01), Newkirk
patent: 3677365 (1972-07-01), Wright et al.
patent: 3698440 (1972-10-01), Matthieu et al.
patent: 4315558 (1982-02-01), Katayama
patent: 4349078 (1982-09-01), Shimada et al.
patent: 4487289 (1984-12-01), Kicinski et al.
patent: 4993512 (1991-02-01), Lescher
patent: 5196253 (1993-03-01), Mueller et al.

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