Oil separating apparatus for engine

Details Oil separating apparatus for engine Oil separating apparatus for engine

1997-12-04

1999-09-28

McMahon, Marguerite

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

F01M 1300

Patent

active

059571187

ABSTRACT:
An oil separating apparatus of an engine mounted on a shaking machine such as a rammer, for separating oil mist from blow-by gas and for feeding liquefied oil back to a crank chamber comprises a rocker chamber having an enlarged volume and mounted on a cylinder head, a breather chamber mounted on the rocker chamber, a blow-by gas port provided on the locker chamber for communicating the rocker chamber with the breather chamber, and an oil passage having an enlarged passage area for communicating the crank chamber with the rocker chamber. The constituted oil separating apparatus separates oil mist from blow-by gas almost completely and returns liquefied oil to the crank chamber swiftly, even when the engine produces a large amount of oil mist due to violent vibrations of the shaking machine.

REFERENCES:
patent: 4459966 (1984-07-01), Sakano et al.
patent: 4597372 (1986-07-01), Furukawa
patent: 4920930 (1990-05-01), Sakano et al.

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