Fuel supplying pump

Details Fuel supplying pump Fuel supplying pump

1988-07-05

1990-02-27

Stout, Donald E.

Pumps

Condition responsive control of pump drive motor

By control of electric or magnetic drive motor

417410, 417497, F04D 1502

Patent

active

049041622

ABSTRACT:
A fuel supplying pump having a switching circuit provided in the pump closing. The switching circuit stops the pump when an engine stops rotating due, for instance, to a fuel pipe breakage. The circuit having a transistor with a base connected to an oil pressure responsive switch.

REFERENCES:
patent: 2213743 (1940-09-01), Miner
patent: 2989644 (1961-06-01), Schultz
patent: 3617839 (1971-11-01), Hill
patent: 3631843 (1972-01-01), Yeiser
patent: 3742256 (1973-06-01), Frederiksen
patent: 4096830 (1978-06-01), Long
patent: 4430980 (1984-02-01), Pidgeon
patent: 4524312 (1985-06-01), Matsumoto
patent: 4577604 (1986-03-01), Hara
patent: 4596514 (1986-06-01), Matsumoto

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