Low-noise-level internal combustion engine

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

1978-11-13

1980-10-28

Lazarus, Ira S.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

123195C, 123198E, F02F 100, F02B 7700

Patent

active

042300878

ABSTRACT:
A reciprocating piston internal combustion engine comprises an integrally formed or cast engine block having an upper half of main bearings for receiving the journal of a crankshaft, a bearing support frame secured to the bottom portion of the engine block and having a lower half of the main bearings, and a sound-insulating cover secured to the outer surface of the engine block to cover the lower part of the engine block, so that the engine noise and vibration can be effectively decreased.

REFERENCES:
patent: 3464398 (1969-09-01), Scheiferlein
patent: 3684053 (1972-08-01), Fachbach et al.
patent: 3691914 (1972-09-01), Reisacher et al.
patent: 3924597 (1975-12-01), Hatz et al.
patent: 4071008 (1978-01-01), Skatsche et al.
patent: 4092956 (1978-06-01), List et al.

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