The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 25, 2025

Filed:

Apr. 22, 2021
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Takanori Koike, Tokyo, JP;

Kazuyoshi Shinozaki, Tokyo, JP;

Kosuke Tanaka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 41/26 (2021.01); F25B 13/00 (2006.01);
U.S. Cl.
CPC ...
F25B 41/26 (2021.01); F25B 13/00 (2013.01);
Abstract

A refrigeration cycle apparatus includes a heat source side unit, a relay unit, and a plurality of load side units, the heat source side unit and the relay unit are connected by using a low-pressure pipe and a high-pressure pipe, and the relay unit and each of the plurality of load side units are connected by using a corresponding liquid branch pipe and a corresponding gas branch pipe. The heat source side unit includes a compressor configured to compress refrigerant, at least one flow switching valve configured to change a passage of refrigerant based on an operation mode, and at least one heat source side heat exchanger, and the relay unit includes six-way valves or pairs of four-way valves.


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