Automatic recirculation valve

Details Automatic recirculation valve Automatic recirculation valve

1993-01-21

1994-08-02

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137117, 13762538, 251282, 417299, G05D 701

Patent

active

053336380

ABSTRACT:
An automatic recirculation valve having an inlet, a main outlet, and a recirculation outlet. A main valve element responsive to the flow between the inlet and main outlet and a bypass element responsive to the main valve element regulates the fluid flow to the recirculation outlet. The bypass element contains orifices through which the fluid flows to the recirculation outlet. The orifices are arranged to counterbalance fluid forces exerted on the bypass element.

REFERENCES:
patent: 60378 (1866-12-01), Hunt
patent: 1555851 (1925-10-01), Van Emon
patent: 4095611 (1978-06-01), Hetz
patent: 4244388 (1981-01-01), Feiss
patent: 4779639 (1988-10-01), Loos
patent: 4941502 (1990-07-01), Loos et al.
patent: 4967783 (1990-11-01), Loos

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