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Flow meter

  • US 4,006,634 A
  • Filed: 09/17/1975
  • Issued: 02/08/1977
  • Est. Priority Date: 09/17/1975
  • Status: Expired due to Term
First Claim
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1. A flow meter comprising:

  • a. transducer means for sensing a pressure differential between a first port thereof and a second port thereof,b. a conduit with said first port of said transducer means connected at a first location in said conduit and in fluid communication with fluid flowing therethrough, the fluid at a second location in said conduit being connected to and in fluid communication with said second port, andc. an obstruction mounted in said conduit between said first location and said second location, said obstruction comprising a plurality of independently flexible spring fingers extending initially in a plane transverse to the flow of fluid in said conduit each of said fingers being compliant to said fluid flow and deflected in response to one parameter of said fluid flow whereby said obstruction to said fluid flow varies in response to said one parameter.

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