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:
Dec. 03, 2019

Filed:

Jun. 29, 2017
Applicant:

Fujitsu General Limited, Kanagawa, JP;

Inventors:

Yasuhiro Oka, Kanagawa, JP;

Takahiro Matsunaga, Kanagawa, JP;

Takashi Kimura, Kanagawa, JP;

Shigeaki Suyama, Kanagawa, JP;

Kotaro Toya, Kanagawa, JP;

Assignee:

FUJITSU GENERAL LIMITED, Kanagawa, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F 5/00 (2006.01); G05D 23/19 (2006.01); G05D 23/24 (2006.01); F25B 13/00 (2006.01); F25B 49/02 (2006.01); F25D 17/00 (2006.01); G05D 23/00 (2006.01);
U.S. Cl.
CPC ...
F24F 5/001 (2013.01); F25B 13/00 (2013.01); F25B 49/02 (2013.01); G05D 23/1912 (2013.01); G05D 23/24 (2013.01); F24F 5/00 (2013.01); F25B 2313/0233 (2013.01); F25B 2500/19 (2013.01); F25B 2600/23 (2013.01); F25B 2600/2513 (2013.01); F25D 17/00 (2013.01); G05D 23/00 (2013.01);
Abstract

An air conditioner includes: an outdoor unit; a plurality of indoor units respectively including indoor heat exchangers; expansion valves respectively provided to the plurality of indoor units, the expansion valves being configured to adjust flow rates of a refrigerant in the indoor heat exchangers; and a controller for executing a refrigerant amount balance control for adjusting opening degrees of the expansion valves so that operation state amounts, with which the indoor heat exchangers exert heat exchange amounts, of the plurality of indoor units become equal to each other.


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