Light source for use in leak detection in heating, ventilating,

Radiant energy – Radiant energy generation and sources – With radiation modifying member

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G01J 100

Patent

active

057420661

ABSTRACT:
A light source for use in examining leak detection sites in heating, ventilating, and air conditioning systems that utilize a fluorescence-producing dye in the refrigerant to determine the presence of leaks. The light source combines a dichroic reflector with a lamp and interference filter to provide a narrowed emission of wavelength of light emitted from the light source.

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patent: 4785383 (1988-11-01), Tarnay
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patent: 5357782 (1994-10-01), Henry
patent: 5421192 (1995-06-01), Henry
patent: 5453883 (1995-09-01), Chazallet

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