Water pressure control system

Details Water pressure control system Water pressure control system

1993-12-01

1995-11-07

Bertsch, Richard A.

Pumps

Condition responsive control of pump drive motor

Having timer or delay means

417 20, 417 25, 417 43, 417 442, 417 448, F04B 4900

Patent

active

054643279

ABSTRACT:
A water pressure control system in which the pressurizing pump is turned on only in response to low pressure but is turned off only in response to low water flow rates. Water flow is detected with a magnetic switch displaced by water movement. After the pump is turned on, it can not be turned off for ten seconds, to smooth operation. When the system is first activated, the pump is turned on for sixty seconds, without regard to the other control functions, to guarantee priming of the pump.

REFERENCES:
patent: 3702742 (1972-11-01), Russell
patent: 4874294 (1989-10-01), Karg
patent: 5064347 (1991-11-01), LaValley, Sr.
patent: 5259733 (1993-11-01), Gigliotti et al.

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