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Integral pressure sensor

  • US 5,284,061 A
  • Filed: 09/21/1992
  • Issued: 02/08/1994
  • Est. Priority Date: 09/21/1992
  • Status: Expired due to Fees
First Claim
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1. An integral pressure sensor for a pressurized vessel comprising:

  • a housing defining an interior chamber and an opening, said housing disposed in the interior of said vessel;

    a core element movably disposed in said interior chamber, said core element moving in said interior chamber under the effect of a differential pressure between said vessel pressure and said interior chamber pressure; and

    a means to trap said vessel pressure in said interior chamber, said means to trap being sealably disposed in said interior chamber and in operative association with said core element so that said interior chamber pressure is isolated from said vessel pressure.

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