Control for a bilge pump

Details Control for a bilge pump Control for a bilge pump

1981-03-23

1983-02-01

Cohan, Alan

Pumps

Condition responsive control of pump drive motor

Responsive to accumulation of pumped liquid in receiver

200 84R, F04B 4904

Patent

active

043713165

ABSTRACT:
To commence and maintain the operation of a bilge pump until the bilge area is sufficiently evacuated of excess bilge water, an electrically conductive ball is deposited in spanning relation across, and thus closes, a pair of circuit switch contacts, and then rolls off said contacts when the permissible lower level is reached to terminate the pump operation. This operational mode is, of course, repeated when the bilge is again filled to excess.

REFERENCES:
patent: 3941073 (1976-03-01), Ridgeway
patent: 4001533 (1977-01-01), Conery
patent: 4215975 (1980-08-01), Niedermeyer

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