Method of retrofitting air conditioner and system therefor

Details Method of retrofitting air conditioner and system therefor Method of retrofitting air conditioner and system therefor

1998-10-28

2000-07-18

Bennett, Henry

Refrigeration

Automatic control

Withdrawing or adding refrigerant from or to normally closed...

62 77, 62174, F25B 4500

Patent

active

060890320

ABSTRACT:
A kit and method for retrofitting an R-12 air conditioner into an R-134a air conditioner are provided. The kit includes a first pressurized container of R-134a lubricant or oil sufficient to fully charge an automobile air conditioner. Preferably, the first container also contains pressurized refrigerant 134a to act as a propellant to deliver the lubricant in aerosol form. A second pressurized container may also be provided containing a full charge of R-134a for an auto air conditioner. The kit includes a service port adapter, configured to be convertible to the service port of an automobile air conditioner wherein both the first and second containers may be hooked up to the auto air conditioner via the same service port adapter.

REFERENCES:
patent: 3252475 (1966-05-01), Jones
patent: 4535802 (1985-08-01), Robertson
patent: 4644982 (1987-02-01), Hatch
patent: 4895190 (1990-01-01), Gillen
patent: 4958501 (1990-09-01), Nakano et al.
patent: 5750046 (1998-05-01), Wheeler
patent: 5826636 (1998-10-01), Trigiani

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