Submersible pump with float switch

Details Submersible pump with float switch Submersible pump with float switch

1975-09-17

1977-05-03

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

Responsive to accumulation of pumped liquid in receiver

200 819M, F04B 4900, H01H 3540

Patent

active

040211444

ABSTRACT:
The combination of a submersible electric pump, a holder on the pump, a cable holder movably mounted in the holder, a float having a switch therein which is actuated depending on the position of the float in a body of liquid, and a cable extending from the pump to the float and electrically connecting the switch to the pump for controlling the running of the pump depending on the condition of actuation of the switch. A point intermediate the length of the cable is held in the cable holder, whereby the level of the liquid in which the float is positioned at which the pump will be started and stopped can be controlled by adjusting the position of the cable holder in the holder and the point along the length of the cable which is supported on the cable holder.

REFERENCES:
patent: 2927174 (1960-03-01), Walshin
patent: 3113189 (1963-12-01), Porwancher
patent: 3114478 (1963-12-01), Hilkemeier et al.
patent: 3285183 (1966-11-01), Hembree
patent: 3291934 (1966-12-01), Nealy
patent: 3325612 (1967-06-01), Petersen et al.
patent: 3327079 (1967-06-01), Widl
patent: 3659064 (1972-04-01), Inoue
patent: 3874223 (1975-04-01), Miyazaki et al.

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