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Apparatus for measuring the quantity of gas pumped by a compressor

  • US 4,783,990 A
  • Filed: 06/29/1987
  • Issued: 11/15/1988
  • Est. Priority Date: 11/22/1985
  • Status: Expired due to Fees
First Claim
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1. Apparatus for measuring the throughput of a gas compressor, said apparatus comprising:

  • (a) an engine operatively connected to said compressor and powered by the same gas being compressed by the compressor;

    (b) a first pressure sensor means for measuring the suction pressure of gas entering said compressor and generating a first signal representative of said suction pressure;

    (c) a second pressure sensor means for measuring the discharge pressure of gas leaving said compressor and generating a second signal representative of said discharge pressure;

    (d) a data storage means for storing signals representative of the piston displacement and piston clearance; and

    (e) a calculating means arranged to receive said first, second and stored signals and to calculate therefrom a fourth signal representative of the throughput by said compressor.

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