Crankcase of an internal combustion engine

Details Crankcase of an internal combustion engine Crankcase of an internal combustion engine

1999-04-23

2000-04-25

Kwon, John

Internal-combustion engines

Frame construction

Horizontal cylinder

123195R, F02F 700

Patent

active

060531428

ABSTRACT:
In a crankcase of an internal combustion engine with lower and upper crankcase parts joined together along a separation plane extending through the axis of crankshaft bearings mounted in the transverse walls of the crankcase, the upper crankcase part has side walls with cut-outs formed therein and a cup-shaped member is disposed within the crank chamber formed between the transverse walls of the crankcase to cover the cut-outs. The cup-shaped member has an opening adjacent the respective cylinder of a cylinder block extending from the upper crankcase for accommodating a connecting rod extending between the crankshaft and a piston in the respective cylinder of the cylinder block.

REFERENCES:
patent: 3977385 (1976-08-01), Mansfield
patent: 4726334 (1988-02-01), Holtzberg et al.
patent: 4930470 (1990-06-01), Kabat et al.
patent: 5083537 (1992-01-01), Onofrio et al.

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