Internal combustion engine

Details Internal combustion engine Internal combustion engine

1990-02-08

1990-12-18

Cross, E. Rollins

Internal-combustion engines

Frame construction

Horizontal cylinder

123196R, 123198E, F02F 700, F01M 100

Patent

active

049778706

ABSTRACT:
An internal combustion engine is disclosed, which comprises a cylinder block having lubrication oil passages formed therein, the oil passages having a cylinder block opening at one longitudinal end of the cylinder block; a crankshaft operatively installed in the cylinder block, the crankshaft having one end portion exposed to the outside of the cylinder block from the one longitudinal end of the same; and a front cover structure attached to the one longitudinal end of the cylinder block. The front cover structure includes a first portion having an oil pump housing formed thereon; an oil pump device driven by the exposed end portion of the crankshaft, the oil pump device being received in the oil pump housing; a second portion having first and second oil passages formed therein, the first oil passage having one end connected to an outlet port of the oil pump device, the second oil passage having one end which is mated with the cylinder block opening; and an oil filter fixed to the second portion and fluidly connected to the other ends of the first and second passages.

REFERENCES:
patent: 4295807 (1981-10-01), Kruger
patent: 4483278 (1984-11-01), Kolucz
patent: 4607601 (1986-08-01), Kohler
patent: 4616610 (1986-10-01), Ishida
patent: 4648363 (1987-03-01), Kronich
patent: 4753201 (1988-06-01), Fukuo et al.
patent: 4883031 (1989-11-01), Ampferer et al.

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