Control valve positioner mounting system

Details Control valve positioner mounting system Control valve positioner mounting system

2007-05-22

2007-05-22

Chambers, A. Michael (Department: 3753)

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

C091S36300A, C091S365000, C251S061400

Reexamination Certificate

active

10770915

ABSTRACT:
A positioner for a control valve assembly is disclosed wherein the positioner is mounted internally to thus protect the positioner from damage stemming from environmental, impact, or other outside influences. Accordingly, not only can the position of the valve be accurately measured, but the sensing hardware is less subjected to damage or other drawbacks associated with exposure.

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Operation & Maintenance Instruction Manual, www.smar.com, “smar—FY301, Smart Valve Positioner,” Version 2, May 2004.
International Preliminary Report on Patentability for International Patent Application No. PCT/US2004/003529 by the International Bureau of WIPO dated Oct. 21, 2005 (7 pages).
International Search Report, International Application No. PCT/US2004/003529, filed May 2, 2004. Report dated Jul. 2, 2004.

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