Draining system for valve actuator/valve stem protector...

Details Draining system for valve actuator/valve stem protector... Draining system for valve actuator/valve stem protector...

2011-03-22

2011-03-22

Lee, Kevin L (Department: 3753)

Fluid handling

Processes

Cleaning, repairing, or assembling

C137S312000

Reexamination Certificate

active

07909053

ABSTRACT:
Condensation draining system and method for valve stem protectors comprising an actuator and a stem protector assembly structured in combination to provide a drain and an opening for draining condensation from inside the assembly to outside the combination.

REFERENCES:
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patent: 5503180 (1996-04-01), Nimberger
patent: 5881766 (1999-03-01), Schlesch et al.
patent: 6424928 (2002-07-01), Elliott et al.
patent: 6577985 (2003-06-01), Scalf
patent: 6615156 (2003-09-01), Elliott et al.
U.S. Appl. No. 11/335,364, filed Jan. 19, 2006, Elliott, Lynn H.
Elliott, Lynn H., EIM Controls Technical Reference Book, First Edition, Published in the United States, 1996.
Elliott, Lynn H., “EIM Controls Field Case Study (Phase 1 Report)”, Published in the United States, Apr. 27, 2004.

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