Low-noise level internal combustion engine

Details Low-noise level internal combustion engine Low-noise level internal combustion engine

1980-12-23

1983-11-01

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123195C, 123195S, 181204, F02B 7700

Patent

active

044125160

ABSTRACT:
An endless ridge extends along the peripheral portion of each of opposed sides of a cylinder block in a manner to enclose the major portion of the side a soundproof board is sealingly mounted to the ridge in a manner to cover at least the major portion enclosed by the ridge and to define a considerable air space (t) between the outer surface of the major portion and the inner surface of the soundproof board. The soundproof board is constructed of a material having high vibration damping effect and high thermal conductivity.

REFERENCES:
patent: 2838129 (1958-06-01), Hesse et al.
patent: 3464398 (1969-09-01), Scheiterlein et al.
patent: 3521726 (1970-07-01), Freyn
patent: 3684053 (1972-08-01), Fachbach et al.
patent: 4071008 (1978-01-01), Skatsche et al.
patent: 4137888 (1979-02-01), Allan

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