Accoustic noise suppression apparatus noise suppression means

Details Accoustic noise suppression apparatus noise suppression means Accoustic noise suppression apparatus noise suppression means

1979-07-02

1981-09-15

Cox, Ronald B.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

180 54A, 181225, F02B 7700

Patent

active

042890969

ABSTRACT:
The accoustic noise suppression apparatus is mounted opposite a radiator which is in fluid communication with a liquid cooled internal combustion engine having fan generated air flow through the radiator to encounter the noise suppression apparatus. The noise suppression apparatus is tri-sectional, each section including accoustic energy absorbing material. The noise suppression apparatus alter the flow path of the fan driven air flow, exhausting the air to the surrounding environment while decreasing the amount of accoustic noise received by the surrounding environment.

REFERENCES:
patent: 3530840 (1970-09-01), Freyn
patent: 3856100 (1974-12-01), Manning
patent: 3857453 (1974-12-01), Buttke
patent: 3866580 (1975-02-01), Whitehurst
patent: 3951114 (1976-04-01), Fachbach
patent: 4071009 (1978-01-01), Kraina
patent: 4121683 (1978-10-01), Kohriyama
patent: 4122908 (1978-10-01), Miers
patent: 4141334 (1979-02-01), Hatz

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