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Fluid pressure measuring system for control valves

  • US 5,728,942 A
  • Filed: 11/28/1995
  • Issued: 03/17/1998
  • Est. Priority Date: 11/28/1995
  • Status: Expired due to Term
First Claim
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1. A system for improving the fluid pressure measurement at both the inlet and the outlet of a control valve, said control valve being constructed and arranged to utilize said fluid pressure measurement to control flow through said control valve, said system for improving fluid pressure measurement at both the inlet and the outlet of a control valve comprising:

  • fluid flow conditioners constructed and arranged to fit within the inlet and the outlet of the control valve;

    a substantially circular averaging channel located outboard from and downstream from said fluid flow conditioners;

    said substantially circular averaging channels constructed and arranged to surround the inlet and the outlet of the control valve; and

    conduits for conducting flowing fluid from said substantially circular averaging channels to a fluid pressure measurement device.

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