Low noise level automotive internal combustion engine

Details Low noise level automotive internal combustion engine Low noise level automotive internal combustion engine

1981-09-14

1984-05-01

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123195R, 123195A, F02F 700, F02B 7700

Patent

active

044454716

ABSTRACT:
An automotive internal combustion engine comprises a cylinder block formed at its bottom section with a plurality of main bearing carrying sections, a plurality of main bearing caps respectively secured to the main bearing carrying sections, and a beam member formed of a sheet metal and disposed to rigidly connect all the main bearing caps, thereby effectively suppressing the vibration of the main bearing caps to greatly decrease engine noise emission.

REFERENCES:
patent: 1996211 (1935-04-01), Mutchler
patent: 4071008 (1978-01-01), Skatsche et al.
patent: 4213439 (1980-07-01), Feichtinger et al.
patent: 4245595 (1981-01-01), Abe et al.
patent: 4327679 (1982-05-01), Crouch et al.
patent: 4343271 (1982-08-01), Skatsche et al.
Abstract of Japanese Patent 53-9913, "Patent Abstracts of Japan", vol. 2, No. 50, Apr. 10, 1978, p. 412 M 78.
Abstract of Japanese Patent 53-43148, "Patent Abstracts of Japan", vol. 2, No. 78, Jun. 21, 1978, p. 1862 M 78.

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