Oil drain valve with remote control means

Details Oil drain valve with remote control means Oil drain valve with remote control means

1982-09-27

1984-05-22

Brown, David H.

Lubrication

Automobile crank and gear case service

251 65, 251129, 251139, F01M 1104

Patent

active

044496133

ABSTRACT:
A remotely controlled oil drain valve assembly is provided. The assembly comprises a valve body which is threadably connected to the crankcase of an internal combustion engine. A valve core is slideably mounted within the valve body. Ports in the valve body and valve core, when in alignment, permit the flow of oil from the crankcase through a passageway in the valve core. The ports are brought in alignment by means mounted in the valve body which receive an electric signal from a remote source to cause rotation of the valve core to the proper position.

REFERENCES:
patent: 1539914 (1925-06-01), Rhoades
patent: 1995174 (1935-03-01), Gerrard et al.
patent: 2095696 (1937-10-01), Hackel
patent: 2657705 (1953-11-01), Gerhard et al.
patent: 3310133 (1967-03-01), Eaker
patent: 3586044 (1971-06-01), Petersen
patent: 3650352 (1972-03-01), Schwary
patent: 3677369 (1972-07-01), Schramm
patent: 3954250 (1976-05-01), Grace
patent: 4086981 (1978-05-01), Mitsui
patent: 4274444 (1981-06-01), Ruyak
patent: 4284262 (1981-08-01), Ruyak
patent: 4319664 (1982-03-01), Price

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