Low-noise-level reciprocating piston engine

Details Low-noise-level reciprocating piston engine Low-noise-level reciprocating piston engine

1978-11-22

1980-07-22

Lazarus, Ira S.

Internal-combustion engines

Frame construction

Horizontal cylinder

123198E, 123DIG6, F02F 700

Patent

active

042134404

ABSTRACT:
A reciprocating piston internal combustion engine comprises an engine block formed with first bearing carrying portions which carry a group of upper generally semicylindrical parts of main bearings for supporting a crankshaft, and a bearing support block secured to the engine block and formed with second bearing carrying portions which carry a group of lower generally semicylindrical parts of the main bearing, so that the engine block is reinforced to prevent generation of engine noises due to low flexural rigidity of the engine block.

REFERENCES:
patent: Re16909 (1928-03-01), West
patent: 1135524 (1915-04-01), Hewitt
patent: 1996211 (1935-04-01), Mutchler
patent: 2837075 (1958-06-01), Leach
patent: 2865341 (1958-12-01), Dolza
patent: 3796280 (1974-03-01), Thien et al.
patent: 3991735 (1976-11-01), Horstmann
patent: 4071008 (1978-01-01), Skatsche
patent: 4092956 (1978-06-01), List et al.

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