Engine

Details Engine Engine

1995-11-08

1997-04-01

Okonsky, David A.

Internal-combustion engines

Frame construction

Horizontal cylinder

123 65R, F02B 7700

Patent

active

056156502

ABSTRACT:
An internal combustion engine includes: a cylinder block having a connecting surface formed at a lower portion thereof and a skirt portion extending outwardly from the connecting surface; a crankcase having a connecting surface for contacting the connecting surface of the cylinder block and a bore for inserting the skirt portion therewithin; and, a gasket interposed between the connecting surfaces of the crankcase and the connecting surface of the cylinder block when assembled such that the gasket has a bore formed at the central portion thereof. A pair of detent portions are formed at the outer periphery of the skirt portion with each of the detent portion being different in shape from each other. A pair of recess portions, corresponding to the detent portions, are formed at each of the bores of the crankcase and the gasket.

REFERENCES:
patent: 3641987 (1972-02-01), Hooper
patent: 4445468 (1984-05-01), Onishi et al.
patent: 4470379 (1984-09-01), Miyakoshi et al.
patent: 4637354 (1987-01-01), Tominaga et al.
patent: 4798182 (1989-01-01), Ebinuma et al.
patent: 4802447 (1989-02-01), Corbett
patent: 4815430 (1989-03-01), Ueno et al.

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