Lubrication system for engines

Details Lubrication system for engines Lubrication system for engines

1988-12-08

1990-03-27

Cross, E. Rollins

Internal-combustion engines

Lubricators

Crankcase, pressure control

123 9038, F01M 100

Patent

active

049111205

ABSTRACT:
A lubrication system for engines, comprising a main engine body with a crank chamber formed at the bottom portion thereof for storing lubricating oil therein, a rocker cover securely attached to the outside wall of the engine body so as to surround a rocker arm, thereby forming therein a rocker chamber, lubricating oil supply means for supplying the lubricating oil into the rocker chamber, lubricating oil return means for returning the lubricating oil in the rocker chamber to the crank chamber, a breather device intercommunicating between the crank chamber and a suction system, and bypass means for intercommunicating through the breather device between the crank chamber and the rocker chamber. The bypass means causes the gas under pressure in the crank chamber to flow into the rocker chamber and the lubricating oil supplied into the rocker chamber, is forcibly discharged into the crank chamber through the lubricating oil return means.

REFERENCES:
patent: 4404936 (1983-09-01), Tatebe et al.
patent: 4601267 (1986-07-01), Kronich
patent: 4630580 (1986-12-01), Sawaki et al.
patent: 4662322 (1987-05-01), Tumba et al.

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