Leak detection in heating, ventilating, refrigeration, and air c

Details Leak detection in heating, ventilating, refrigeration, and air c Leak detection in heating, ventilating, refrigeration, and air c

1996-07-22

1997-10-28

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

G01H 320

Patent

active

056819846

ABSTRACT:
A leak detecting dye for use in heating, ventilating, air conditioning, or refrigeration systems employing dyes such as naphthalimide, perylene, coumarin, anthracene, phenanthracene, and thioxanthane. The dye is adsorbed onto a non-absorbent carrier which is then adapted for inclusion into various components of the system such as a filter drier, or a desiccant container which may be inserted into appropriate locations within the system.

REFERENCES:
patent: 2096099 (1937-10-01), Gaugler
patent: 3770640 (1973-11-01), Bartlett
patent: 4272264 (1981-06-01), Cullen et al.
patent: 4758366 (1988-07-01), Parekh
patent: 4938063 (1990-07-01), Leighley
patent: 5022902 (1991-06-01), Juhl et al.
patent: 5149453 (1992-09-01), Parekh
patent: 5357782 (1994-10-01), Henry
patent: 5421192 (1995-06-01), Henry
patent: 5440919 (1995-08-01), Cooper

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