Control valve

Details Control valve Control valve

2006-10-24

2006-10-24

Keasel, Eric (Department: 3753)

Fluid handling

Line condition change responsive valves

Direct response valves

C137S552000, C137S556000, C251S061200, C251S082000

Reexamination Certificate

active

07124774

ABSTRACT:
A control valve for regulating flow of fluids passing through the valve. The control valve includes a body with an inlet, an outlet and a passageway through which the fluid passes from the inlet to the outlet. The control valve also includes a displaceable column provided with an internal and concentric bolt, the displaceable column is actuated by an actuator, the actuator positioned in a chamber that is connected to the body, a valve closure attached to the displaceable column. The displaceable column moves between a most retracted position, in which the inlet is fluidically communicating with the outlet, and a most pulled out position, in which the valve closure sealingly blocks the passage of fluid through the control valve.

REFERENCES:
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patent: 5390697 (1995-02-01), Muschelknautz
patent: 5829473 (1998-11-01), Hajbi et al.

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