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Differential pressure transducer

  • US 5,796,007 A
  • Filed: 09/23/1996
  • Issued: 08/18/1998
  • Est. Priority Date: 09/23/1996
  • Status: Expired due to Term
First Claim
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1. A differential pressure transducer for measuring a pressure differential between a first pressure source and a second pressure source, the first pressure source having a first pressure and the second pressure source having a second pressure, the differential pressure transducer comprising:

  • a housing constructed and arranged to be fluidly coupled to the first and second pressure sources;

    a displacement element movably supported in the housing along a first axis, the displacement element having a first end and a second end and being constructed and arranged to move along the first axis in response to the pressure differential between the first and second pressure sources when the first and second ends are subjected to the first and second pressures;

    at least one sensing beam affixed to the housing in spaced relation to the first axis so that the at least one sensing beam does not intersect the first axis;

    a force transfer beam connected to the displacement element and the at least one sensing beam, the force transfer beam being constructed and arranged to deflect a portion of the at least one sensing beam in response to the movement of the displacement element; and

    a sensor coupled to the at least one sensing beam to provide a signal that is proportional to the movement of the displacement element.

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