Pneumatic flow control system

Details Pneumatic flow control system Pneumatic flow control system

1991-02-26

1993-04-06

Bertsch, Richard A.

Pumps

Condition responsive control of pump drive motor

Responsive to change in rate of pump fluid flow

417 53, 417295, F04B 4506

Patent

active

051998530

ABSTRACT:
A fluid flow control system maintains a constant, controllable, low flow rate through an orifice; intermittently operates a pump at an efficient, relatively high flow rate; and moderates flow between the pump and the orifice. The system is energy efficient and accurate.

REFERENCES:
patent: 4269059 (1981-05-01), Baker
patent: 4532814 (1985-08-01), Lalin
patent: 4576054 (1986-03-01), Lalin
patent: 5000052 (1991-03-01), Sipin

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