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:
Mar. 26, 2019

Filed:

Jul. 15, 2015
Applicant:

Mitsubishi Electric Corporation, Chiyoda-ku, JP;

Inventors:

Yoji Onaka, Chiyoda-ku, JP;

Takashi Matsumoto, Chiyoda-ku, JP;

Mizuo Sakai, Chiyoda-ku, JP;

Hiroki Murakami, Chiyoda-ku, JP;

Hiroaki Nakamune, Chiyoda-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 49/02 (2006.01); F25B 31/00 (2006.01); F25B 40/00 (2006.01);
U.S. Cl.
CPC ...
F25B 49/02 (2013.01); F25B 31/008 (2013.01); F25B 40/00 (2013.01); F25B 2400/0409 (2013.01); F25B 2400/23 (2013.01); F25B 2600/0253 (2013.01); F25B 2600/2501 (2013.01); F25B 2600/2509 (2013.01); F25B 2700/171 (2013.01); F25B 2700/2103 (2013.01); F25B 2700/2117 (2013.01); Y02B 30/741 (2013.01);
Abstract

An outdoor unit includes at least a compressor, a gas-liquid separator, and an outdoor heat exchanger of a refrigerant circuit, the refrigerant circuit being formed by connecting, by pipes, the compressor, a condenser, a pressure reducing device, the gas-liquid separator, and the outdoor heat exchanger that acts as an evaporator including at least a plurality of heat transfer tubes and an inlet header that distributes incoming refrigerant to the heat transfer tubes. The outdoor unit further includes a gas-liquid-separator bypass pipe, a gas-liquid-separator-side flow control valve, a header bypass pipe, a header-side flow control valve, and a determination device.


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