Apparatus and method for charging three-component mixed refriger

Details Apparatus and method for charging three-component mixed refriger Apparatus and method for charging three-component mixed refriger

1996-04-29

1998-01-27

Sollecito, John M.

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

62114, 62292, 62502, F25B 4500

Patent

active

057111588

ABSTRACT:
The present invention provides an apparatus for charging a three-component mixed refrigerant substitutable for R22 or R502 and a method for charging the three-component mixed refrigerant. A high-boiling point refrigerant container and a metering device for the high-boiling point refrigerant and a container for an azeotrope-like mixed refrigerant lower in boiling point than said high-boiling point refrigerant and a metering device for the azeotrope-like mixed refrigerant are connected to one pipe line having a refrigerant charging port, and a given amount of the high-boiling point refrigerant and a given amount of the lower boiling point azeotrope-like mixed refrigerant are metered and charged in this order in a heat pump apparatus.

REFERENCES:
patent: 4688388 (1987-08-01), Lower et al.
patent: 4978467 (1990-12-01), Shankland et al.
patent: 5095713 (1992-03-01), Laukhuf et al.
patent: 5211867 (1993-05-01), Shankland et al.
patent: 5370811 (1994-12-01), Yoshida et al.

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