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PHYSICAL QUANTITY MEASURING SENSOR AND SENSOR MODULE

  • US 20150160085A1
  • Filed: 12/04/2014
  • Published: 06/11/2015
  • Est. Priority Date: 12/06/2013
  • Status: Active Grant
First Claim
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1. A physical quantity measuring sensor comprising:

  • a joint having a cylindrical projection in which an introduction hole for introducing a target fluid is formed;

    a ceramic sensor module disposed on a downstream side of the projection in a flow direction of the target fluid, the ceramic sensor module comprising;

    a diaphragm to be displaced depending on a pressure of the introduced target fluid; and

    a cylindrical portion integrated with the diaphragm and provided to the projection; and

    an O-ring interposed between the cylindrical portion and the projection, whereinthe O-ring is interposed between a sensor-module flat portion extending in a direction orthogonal to an axial direction of the cylindrical portion and a joint flat portion extending in a direction orthogonal to an axial direction of the projection.

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