Maximum pressure selector device

Details Maximum pressure selector device Maximum pressure selector device

1981-11-02

1984-03-27

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

277165, F16K 1106

Patent

active

044387784

ABSTRACT:
A maximum pressure selector device in which a valve ball is pressure actuatable in a chamber intermediate two cooperating valve seats of opposing input chambers. Positioned between the seats is a pair of orifices which connect the intermediate chamber to an output port. The orifices are of a predetermined size for allowing a predetermined maximum fluid flow rate therethrough for reducing surge flow. The valve ball is positioned in an encircling sealing arrangement centrally located in the intermediate chamber and is restricted to limited movement therein. The input chambers communicate with the intermediate chamber and thus with the output port, depending on the seating position of the valving element.

REFERENCES:
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patent: 3033578 (1962-05-01), Kellogg
patent: 3633606 (1972-01-01), Hay
patent: 3972343 (1976-08-01), Burge
patent: 4018244 (1977-04-01), Burns

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