Crankshaft and journal arrangement for engine

Details Crankshaft and journal arrangement for engine Crankshaft and journal arrangement for engine

1990-07-26

1992-02-04

Nelli, Raymond A.

Internal-combustion engines

Frame construction

Horizontal cylinder

123195H, 180291, 74665B, F02F 700

Patent

active

050851861

ABSTRACT:
A compact power unit for an internal combustion engine including a bearing arrangement for the crankshaft which includes a combined crankcase member and bearing cap that has integral bearing journals for the crankcase and which also forms at least in part the crankcase closure. An output shaft for powering a vehicle is also journaled by the cylinder block and crankcase member and is driven by an integral gear formed on one of the throws of the crankshaft. A balancing arrangement for accommodating this non balanced throw and for maintaining equal cylinder bore spacing is also employed.

REFERENCES:
patent: 1341709 (1920-06-01), Dodge
patent: 2075741 (1937-03-01), Miller
patent: 2441446 (1948-05-01), Schitter
patent: 3234808 (1966-02-01), Nelson
patent: 4331212 (1982-05-01), Tsuboi
patent: 4412514 (1983-11-01), Hayakawa et al.
patent: 4448279 (1984-05-01), Watanabe et al.
patent: 4512292 (1985-04-01), Hundertmark
patent: 4708027 (1987-11-01), Stenner
patent: 4821826 (1989-04-01), Lings
patent: 4838221 (1989-06-01), Suemori
patent: 4848170 (1989-07-01), Inagaki et al.
patent: 4955343 (1990-09-01), Ogami

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