Floating pump assembly

Details Floating pump assembly Floating pump assembly

1988-02-10

1988-12-06

Neils, Paul F.

Pumps

Condition responsive control of pump drive motor

Responsive to accumulation of pumped liquid in receiver

417 61, 417411, 4174239, 415 7, 114183R, F04B 4904, F04B 2100

Patent

active

047893079

ABSTRACT:
A pump assembly has a housing with water admitting openings through the housing near the bottom. A pump in the housing has an intake near the bottom. A water level sensor connects the pump to a battery in the housing when the level rises above the pump intake, to operate the pump. Closed cell foam flotation floats the assembly to permit pumping from a pool of any depth greater than one third the height of the housing. Flotation also is arranged to achieve self-righting of the assembly in the event of inadvertent tipping or upset.

REFERENCES:
patent: 1909578 (1933-05-01), Franke
patent: 3189334 (1965-06-01), Bell
patent: 3364862 (1968-01-01), Duveau
patent: 3400664 (1968-09-01), Kingsep
patent: 3470822 (1969-10-01), Evans et al.
patent: 3598501 (1971-08-01), Standfield et al.
patent: 3617146 (1971-11-01), Garland
patent: 3726606 (1973-04-01), Peters
patent: 3824852 (1974-07-01), Otto
patent: 3910725 (1975-10-01), Rule
patent: 4256598 (1981-05-01), Brand
patent: 4275995 (1981-06-01), Taylor
patent: 4553902 (1985-11-01), Eberhardt

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