Title:
REFRIGERANT CHARGE METHOD
Document Type and Number:
WIPO Patent Application WO/2023/188789
Kind Code:
A1
Abstract:
This refrigerant charge method is for a refrigeration circuit provided with a compressor, a condenser, a throttle device, an evaporator, and a first port which is disposed at a high-pressure part of the compressor or at a position downstream of the compressor and upstream of the throttle device, and the method comprises: connecting, to the first port, the mouth of a container having sealed therein refrigerants which include a high-boiling point refrigerant in a liquid state and a middle-boiling point refrigerant which is in a wet gaseous state and has a boiling point lower than the high-boiling point refrigerant; and charging the refrigeration circuit with at least a portion of the refrigerants in the container, through the first port from the container with the mouth oriented downward.
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Inventors:
TOYOOKA TAKASHI
Application Number:
PCT/JP2023/003193
Publication Date:
October 05, 2023
Filing Date:
February 01, 2023
Export Citation:
Assignee:
PHC HOLDINGS CORP (JP)
International Classes:
F25B1/00; F25B45/00
Domestic Patent References:
| WO2019163663A1 | 2019-08-29 |
Foreign References:
| JPH10281597A | 1998-10-23 | |||
| JPH11270933A | 1999-10-05 | |||
| JP2010002111A | 2010-01-07 | |||
| JPH06101940A | 1994-04-12 | |||
| JPH08313081A | 1996-11-29 | |||
| JP2009102567A | 2009-05-14 |
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
Download PDF:
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