Oil intake structure of an engine

Details Oil intake structure of an engine Oil intake structure of an engine

1997-10-24

1999-11-02

Yuen, Henry C.

Internal-combustion engines

Lubricators

Crankcase, pressure control

123196A, F01M 900

Patent

active

059750413

ABSTRACT:
High-temperature oil returning from a cylinder head is to be prevented from being sucked directly into an oil pump through an oil strainer. An oil intake space is defined by partition walls formed near a split plane of both a front casing and a rear casing. The interior of the oil intake space is partitioned into a lower oil chamber and an upper oil chamber by an oil strainer. The lower oil chamber is in communication with the interior of an oil pan through intake ports, while the upper oil chamber communicates with an oil pump. The oil strainer is separately formed as an intake duct and a screen. The oil strainer is fitted and held in a slot formed in the partition wall.

REFERENCES:
patent: 3888227 (1975-06-01), Green et al.
patent: 3888228 (1975-06-01), Koivunen
patent: 4352737 (1982-10-01), Taniguchi
patent: 4889621 (1989-12-01), Yamada et al.
patent: 5099954 (1992-03-01), Kikuchi et al.
patent: 5439585 (1995-08-01), Arakawa
patent: 5666915 (1997-09-01), Kawashima et al.

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