Automobile electric vacuum pump filtering system

Details Automobile electric vacuum pump filtering system Automobile electric vacuum pump filtering system

1974-05-09

1976-11-16

Pinkham, Richard C.

Lubrication

Automobile crank and gear case service

F16M 1302

Patent

active

039918548

ABSTRACT:
This device consists primarily of an electric vacuum pump which includes a discharge line and an input line secured to a three-way valve having handle for selection. A line attached to the valve of the device is secured to a fitting threadably secured within the oil pan of the engine and another line secured to the valve is secured by a fitting to the oil filter, the valve serving to completely eliminate the oil and dirt from the oil pan while also removing the oil from the filter.

REFERENCES:
patent: 1621155 (1927-03-01), Davenport
patent: 3335817 (1967-08-01), Horning
patent: 3447636 (1969-06-01), Bonfilio
patent: 3720287 (1973-03-01), Martel
patent: 3743053 (1973-07-01), Kuklewicz
patent: 3908797 (1975-09-01), Schnepp

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