Temperature and pressure responsive seal

Temperature and pressure responsive seal

  • CN 101,576,163 B
  • Filed: 05/08/2009
  • Issued: 05/20/2015
  • Est. Priority Date: 05/09/2008
  • Status: Active Grant
First Claim
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1. a sealing system, comprising:

  • Be arranged in the convex structure in female member, described female member comprises the annular shoulder be formed on its internal surface, and wherein said annular shoulder comprises the hole of formation a series of annular array within it;

    WithBe arranged in the Sealing between convex structure and female member, described Sealing comprises further;

    The main body of annular shape substantially, described main body to have in first sealing surfaces in sealing surfaces and second, wherein in sealing surfaces and second, sealing surfaces forms the sealing of fluid-tight substantially in response at least one of the temperature below predetermined temperature and the pressure below predetermined pressure in first, main body also comprises the first outer seal surface and the second outer seal surface, and wherein the first outer seal surface and the second outer seal surface form the sealing of fluid-tight substantially in response at least one of temperature more than predetermined temperature and pressure more than predetermined pressure;

    WithThe lip extended radially inwardly in main body is formed in, with by sealing surfaces in sealing surfaces and second in first separately in response at least one of the temperature below predetermined temperature and the pressure below predetermined pressure.

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