Valves and valve actuation – With correlated flow path – Tank
Patent
1979-04-19
1980-11-04
Cline, William R.
Valves and valve actuation
With correlated flow path
Tank
251297, 251301, 137351, 184 15, F16K 120
Patent
active
042315441
ABSTRACT:
A crankcase drain valve assembly for replacing the standard oil drain plug commonly used for draining used oil from the crankcases of most internal combustion engines. The assembly includes a valve housing for mounting in the drain opening of the crankcase formed with a central passage therethrough and a transversely extending valve opening intersecting the central passage. A valve member is pivotally attached to the valve body and is formed to move in and out of sealing engagement with the central passage. A lever attached to the valve member permits opening and closing of the valve member without any special tools. The valve member is held in the closed position by rotating a lever until a boss on the lever arm is received in a detent in the valve housing.
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patent: 2095696 (1937-10-01), Hackel
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patent: 3874478 (1975-04-01), Mantell, Jr.
patent: 3954250 (1976-05-01), Grace
patent: 4025048 (1977-05-01), Tibbitts
patent: 4086981 (1978-05-01), Mitsui
Cline William R.
Cypher James R.
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