Motorized crankcase oil changing system

Details Motorized crankcase oil changing system Motorized crankcase oil changing system

1979-08-23

1980-12-23

Bell, Jr., Houston S.

Lubrication

Automobile crank and gear case service

184105R, 200 42T, 200334, 251 98, 251107, 417317, F01M 1104

Patent

active

042405238

ABSTRACT:
A reversible fluid pump is driven by a reversible electric motor under the control of a three position toggle switch wired for off, forward and reverse. One port of the pump is connected to a four position valve, one position of which is off. A hose to a drain receptacle or to an oil supply connects to the other port of the pump and hoses from engine crankcases connect to the three active ports of the valve. A two position valve adapts the pump for single engine use. The handle for selectively positioning each of the valves extends perpendicularly to the valve stem and when in off position aligns with the toggle. Safety latches of alternate constructions, with or without thumb screw tightening means, are each pivoted to the handle to engage the toggle and retain both the valve and toggle in off position when the system is not in use.

REFERENCES:
patent: 1914896 (1933-06-01), Pelouch et al.
patent: 2178396 (1939-10-01), Landenberger
patent: 3720287 (1973-03-01), Martel
patent: 3954250 (1976-05-01), Grace

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