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Fluid containment structure for transducer system

  • US 4,072,056 A
  • Filed: 06/28/1976
  • Issued: 02/07/1978
  • Est. Priority Date: 06/28/1976
  • Status: Expired due to Term
First Claim
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1. In pressure transducer apparatus comprising a pressure transducer having a pressure transducing wall and means for providing an electrical output representative of pressure exerted against said wall, wall means forming a structure for containing fluid for pressure interaction with said transducer wall without direct contact between the fluid and said transducer wall, said fluid containment structure having a diaphragm wall positioned for contact with said transducer wall, said diaphragm wall being sufficiently compliant to provide transmission between fluid pressure in said containment structure and said transducer wall;

  • the improvement wherein means are provided for venting gas from between said diaphragm wall and said transducer wall.

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