Method of retrofitting air conditioner and system therefor
AssigneeInterdynamics, Inc.
InventorSaul Trachtenberg
Life of this patent
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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.
Claims15
A kit for retrofitting an automobile air conditioner from using refrigerant R-12 to refrigerant R-134 a, comprising:
- a first pressurized container containing R-134a lubricant and refrigerant R-134a under pressure, said refrigerant R-134a acting as a propellant for said R-134a lubricant, said first pressurized container containing sufficient R-134a lubricant to charge substantially completely and thus retrofit substantially fully an automobile air conditioner;
- and
- means for conveying said lubricant and said second refrigerant from said first pressurized container to the air conditioner simultaneously.
A method of completely retrofitting an automobile air conditioner from using refrigerant R-12 to refrigerant R-134a, comprising the steps of:
- a) sealingly attaching an adapter to a service port of the air conditioner;
- b) providing a first pressurized container containing R-134a lubricant and refrigerant R-134a;
- c) sealingly attaching the first pressurized container to the adapter via a connector hose;
- and
- d) opening a valve on the connector hose,
- wherein said opening step d) causes the R-134a lubricant and refrigerant R-134a to be propelled into the air conditioner, the refrigerant R-134a acting as propellent for the lubricant,
- wherein the first pressurized container contains an amount of the lubricant sufficient to substantially fully retrofit the air conditioner.
Dependencies are inferred from the claim text.