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Sensors for detecting leaks

  • US 5,187,366 A
  • Filed: 11/27/1991
  • Issued: 02/16/1993
  • Est. Priority Date: 06/25/1991
  • Status: Expired due to Fees
First Claim
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1. A sensor for detecting the presence of a particular fluid, comprising:

  • a first fiber optic having a first end adapted to be juxtaposed to a source of illumination and a second end;

    a second fiber optic having a first end adapted to be juxtaposed to a detector of illumination and a second end;

    said second end of said second fiber optic being disposed in a particular efficient light-transmitting relationship with said second end of said first fiber optic in the absence of said particular fluid; and

    means for moving said second ends of said first and second fiber optics with respect to one another so as to alter said particular efficient light-transmitting relationship responsive to the presence of the particular fluid.

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