Valve of direct passage type which is responsive to fluid pressu

Details Valve of direct passage type which is responsive to fluid pressu Valve of direct passage type which is responsive to fluid pressu

1990-01-16

1991-01-22

Cohan, Alan

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

13762412, 251231, 251251, F16K 3148

Patent

active

049863029

ABSTRACT:
A valve of direct passage type which is responsive to fluid pressure comprises a valve disc normally shut with fluid which is installed in front of outlet port of the valve body and a bell crank pivoted therein to engage and open or close the valve disc. The bell crank is activated by a cam mechanism which has a camshaft extending upwardly through the center of the valve body. The valve may be moved from a fully opened to a fully closed position and all intermediate points therebetween.

REFERENCES:
patent: 3880190 (1975-04-01), Boss
patent: 4335852 (1982-06-01), Chow
patent: 4508142 (1985-04-01), Eburn
patent: 4787416 (1988-11-01), Chaung

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