Method and apparatus for introducing liquid additive into vapor-

Details Method and apparatus for introducing liquid additive into vapor- Method and apparatus for introducing liquid additive into vapor-

1998-03-11

1999-12-07

Douglas, Steven O.

Fluent material handling, with receiver or receiver coacting mea

Combined

141 9, 141 67, 141 4, 141 99, B65B 104

Patent

active

059966513

ABSTRACT:
An injector employs a method for introducing an exact amount of liquid additive into operating vapor-compression systems and the like. The injector has a chamber and a piston-cap which have a loose fitting threaded connection to define a leakage path for removing excess liquid additive and undesirable non-condensable gas. After filling the chamber with the liquid additive and screwing the piston-cap back onto the chamber, each end of the injector is connected via Schraeder valves to the high and low sides of an operating vapor-compression system through refrigeration hoses with valve depressors.

REFERENCES:
patent: 5070917 (1991-12-01), Ferris et al.
patent: 5386857 (1995-02-01), Fogal, Sr. et al.
patent: 5746259 (1998-05-01), Noble, III
UView Brochure on Ultraviolet Leak Detection, 6 pages, No date Available.
EF Products, Inc. (Product Information on Quest), 2 pages, No Date Available.

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