Fluid handling – Systems – Programmer or timer
Patent
1999-06-04
2000-07-18
Lee, Kevin
Fluid handling
Systems
Programmer or timer
13762413, F16K 3102
Patent
active
060892692
ABSTRACT:
An emergency valve controlled by an electrical signal on a control line which includes a partial stroke controller connected to the control line and providing a control signal for a predetermined time to cause the emergency valve to partially stoke.
REFERENCES:
patent: 4211197 (1980-07-01), Kawai
patent: 4664602 (1987-05-01), Gordon
Drallim Industries Ltd.
Lee Kevin
LandOfFree
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