Water pressure booster system and control valve therefor

Details Water pressure booster system and control valve therefor Water pressure booster system and control valve therefor

1977-06-30

1979-08-28

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

With condition responsive control of pump fluid valve

137489, 137491, F16K 3112, F04B 4902, F04B 4908

Patent

active

041659511

ABSTRACT:
A water pressure booster system is disclosed having a control device which regulates the pressure in the distribution system via a closely balanced piston valve. Flow into the system from a pump is controlled by a throttling valve which is actuated by the pressure differential between the system pressure and a constant pressure acting on a closely balanced piston. Flow from the system back into the pump is prevented by a flow control/check valve within the throttling valve.

REFERENCES:
patent: 2360816 (1944-10-01), Pasco
patent: 2563889 (1951-08-01), Tuttle
patent: 2761389 (1956-09-01), Turwal
patent: 2975803 (1961-03-01), Vallee
patent: 3141475 (1964-07-01), Guinard et al.
patent: 3399696 (1968-09-01), Shaw
patent: 3613716 (1971-10-01), Hoheisel
patent: 3669143 (1972-06-01), Reese
patent: 3694105 (1972-09-01), Martin
patent: 3703911 (1972-11-01), Horihirl
patent: 3871792 (1975-03-01), Gritz
patent: 3876336 (1975-04-01), Nash
patent: 3922111 (1975-11-01), Deters

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