Charging a refrigerator with non-volatile liquid

Details Charging a refrigerator with non-volatile liquid Charging a refrigerator with non-volatile liquid

1998-08-06

1999-11-02

Walczak, David J.

Fluent material handling, with receiver or receiver coacting mea

Processes

Filling dispensers

141 18, 141 65, 141 66, 141 67, 62 77, B65B 104

Patent

active

059751517

ABSTRACT:
A charging device and method for injecting a non-volatile liquid such as oil or stop-leak into a refrigeration system through a service port, uses a hollow pressure container partly filled with the liquid using system refrigerant as the pressurizing gas. The container has a fitting with a Schrader valve that opens when the fitting is coupled to the service port. The liquid is injected by gas pressure created in the container after coupling. The container may inject the liquid through either the high-side service port or the low-side service port.

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