Liquid purification or separation – Flow – fluid pressure or material level – responsive – Fluid pressure responsive by-pass
Patent
1990-11-21
1992-07-14
Dawson, Robert A.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Fluid pressure responsive by-pass
210168, 210172, 210188, 210450, 210461, 184 15, 184 624, 184106, 123195C, 123196R, 123196A, 123198E, F01M 1103
Patent
active
051300141
ABSTRACT:
An oil pan for an internal combustion engine has a relatively flat bottom part as well as a deep pan section as the oil sump with a suction pipe of an oil pump extending into the deep pan section. The deep pan section is designed as a removable oil container. The oil can thus be changed rapidly and without draining the oil since all the oil is collected in the oil container. A cover may be provided to close the container when removed from the shallow flat bottom part. Also, a filter may be mounted in the container and its upper section may be vented to the engine crankcase ventilation system.
REFERENCES:
patent: 2754969 (1956-07-01), Peterson
patent: 3189126 (1965-06-01), May
patent: 3211256 (1965-10-01), Teutsch
patent: 4075099 (1978-02-01), Pelton et al.
patent: 4667628 (1987-05-01), Lopez-Crevillen
patent: 4915852 (1990-04-01), Tomlinson
Dawson Robert A.
General Motors Corporation
Outland Robert J.
Savage Matthew O.
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