Pumping system with desilting arrangement

Details Pumping system with desilting arrangement Pumping system with desilting arrangement

1987-10-13

1989-01-10

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

Responsive to change in rate of pump fluid flow

417 42, 417 53, 417430, 37 58, E02F 388, F04B 4900, F04B 4910

Patent

active

047970677

ABSTRACT:
Pumping system with a desilting arrangement having a bidirectional water pump disposed in a housing which has a pump inlet and a pump outlet. The system also has a silt blow-out pipe with a desilting valve therein, connected at one end to the pump outlet and having the other end spaced a certain distance away from the pump inlet and below the water level. Desilting is performed by opening the desilting valve and operating the pump in reverse direction for blowing silt, accumulated at the pump outlet, away.

REFERENCES:
patent: 2431995 (1947-12-01), Drescher et al.
patent: 2572263 (1951-10-01), Hofer
patent: 2582556 (1952-01-01), Morey
patent: 3316843 (1967-05-01), Vaughan
patent: 3890065 (1975-06-01), Eller et al.
patent: 3907463 (1975-09-01), Eller et al.
patent: 3910728 (1975-10-01), Sloan
patent: 4070135 (1978-01-01), Eller

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