T-fitting with one way valve and water level sensor for a sump a

Details T-fitting with one way valve and water level sensor for a sump a T-fitting with one way valve and water level sensor for a sump a

1985-08-09

1986-12-23

Croyle, Carlton R.

Pumps

Condition responsive control of pump drive motor

Plural pumps having separate drive motors, supply sources,...

417 7, 417 36, 1375155, 137855, F04B 4106, F04B 4900

Patent

active

046310010

ABSTRACT:
A sump pump assembly having a primary sump pump and a secondary sump pump and including a T-fitting for connecting together the outlets of the primary sump pump and the secondary sump pump to a common exhaust. The T-fitting contains a one-way valve on the secondary pump outlet connection and a fastening means for a water level sensing device.

REFERENCES:
patent: 3066696 (1962-12-01), Hansley
patent: 3514231 (1970-05-01), Bolden
patent: 3593732 (1971-07-01), Holscher
patent: 3626980 (1971-12-01), Suenssen
patent: 3726606 (1973-04-01), Peters
patent: 3788047 (1974-01-01), Douthitt
patent: 3814124 (1974-09-01), Bell
patent: 4222711 (1980-09-01), Mayer
patent: 4388043 (1983-06-01), Priess

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