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Measuring turbine

  • US 4,694,681 A
  • Filed: 06/24/1985
  • Issued: 09/22/1987
  • Est. Priority Date: 04/01/1981
  • Status: Expired due to Fees
First Claim
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1. A turbine for measuring the flow within a flow channel housing:

  • a flow channel housing;

    a turbine rotor arranged in the flow channel with its axis in the direction of flow and defining an annular gap between the outer circumference of the tubular rotor and the inner housing surface;

    an inductive pulse detector mounted in said flow channel housing adjacent to said outer circumference of said turbine rotor;

    means for providing an irregular configuration to said annular gap to produce a controlled braking of a velocity component in the circumferential direction of said turbine rotor generated by a flow through said turbine rotor, comprising a bore formed in the flow channel housing enlarging said annular gap by the area of said bore; and

    means for adjusting said controlled braking comprising means for varying the depth of said bore.

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