Lubricating system

Details Lubricating system Lubricating system

1992-05-21

1993-06-22

Wolfe, Willis R.

Internal-combustion engines

Lubricators

Crankcase, pressure control

F01M 500

Patent

active

052208923

ABSTRACT:
A differential pressure valve 6 is provided in an engine lubricating system which spills lubricating oil into a bypass line 5b bypassing a lubricating oil heat exchanger 7. Connected downstream of the differential pressure valve 6, is a pressure-maintaining valve 10, which holds the oil pressure approximately constant when the internal-combustion engine is running and protects the lubricating oil pump against too high a pressure upon starting of a cold internal-combustion engine.

REFERENCES:
patent: 2133514 (1938-10-01), Holmes
patent: 2365166 (1944-12-01), Bay
patent: 2417237 (1947-03-01), Chandler
patent: 3090365 (1963-05-01), Constantino
patent: 3990424 (1976-11-01), Miersch
patent: 4027643 (1977-06-01), Feenau et al.
patent: 4156407 (1979-05-01), Moll et al.
patent: 4248293 (1981-02-01), Kamezaki et al.
patent: 4258676 (1981-03-01), Lamm
patent: 4503679 (1985-03-01), Saito et al.
patent: 4512300 (1985-04-01), DeVore et al.

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