Electric motor actuated stop and self-closing check valve

Details Electric motor actuated stop and self-closing check valve Electric motor actuated stop and self-closing check valve

2007-07-31

2007-07-31

Keasel, Eric (Department: 3753)

Valves and valve actuation

Lost motion between actuator and valve

Check valve with external opening and closing means

C251S054000, C251S129030

Reexamination Certificate

active

11117637

ABSTRACT:
An electric motor actuated stop/check valve for industrial use such as liquid pumping systems which has a controlled opening and closing rate when liquid flow is in a forward direction but closes quickly upon reverse flow of liquid with no action from the electric motor actuator.

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patent: 6126409 (2000-10-01), Young
patent: 941148 (1963-11-01), None

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