Sound-proofed internal combustion engine

Details Sound-proofed internal combustion engine Sound-proofed internal combustion engine

1977-07-21

1979-02-27

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123 417, 181204, F02B 7700, F01P 102

Patent

active

041413342

ABSTRACT:
A sound absorbing arrangement for an internal combustion engine having sound absorbing panels encasing the internal combustion engine. Cooling air is drawn in through openings in the paneling to subject the external surface of the engine body to the cooling air. The panels are lined with a sound absorbing material. The sound emitted from the air filter is muffled by arranging the air intake thereto so that it passes first in and around the engine and then through an intake pipe from the chamber defined by the paneling into the air filter.

REFERENCES:
patent: 1922200 (1933-08-01), Frank
patent: 2086036 (1937-07-01), Juergens
patent: 2177687 (1939-10-01), Bracken et al.
patent: 3774710 (1973-11-01), Gustausson
patent: 3924597 (1975-12-01), Hatz et al.
patent: 3949726 (1976-04-01), List
patent: 3951114 (1976-04-01), Fachbach
patent: 3964462 (1976-06-01), Thien et al.
patent: 4071009 (1978-01-01), Kraina

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