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. 26, 2013

Filed:

Oct. 08, 2008
Applicants:

Yuichi Yakumaru, Osaka, JP;

Katsuji Taniguchi, Osaka, JP;

Masaya Honma, Osaka, JP;

Inventors:

Yuichi Yakumaru, Osaka, JP;

Katsuji Taniguchi, Osaka, JP;

Masaya Honma, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25D 21/06 (2006.01); F25D 21/00 (2006.01); F25B 49/00 (2006.01); F25B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A refrigeration cycle apparatusincludes a first compressor, a second compressorprovided in parallel with the first compressor, a radiatorfor cooling a refrigerant compressed by the compressorsand, an expanderfor recovering power while expanding the refrigerant cooled by the radiator, an evaporatorfor evaporating the refrigerant expanded by the expander, a rotation shaftconnecting the first compressorto the expanderso that the first compressoruses the power recovered by the expander, a controllerfor executing a control including a step of increasing a flow rate of the refrigerant gradually during a defrosting operation in which frost formed on the evaporatoris melted by allowing the refrigerant having a high temperature to flow through the evaporator


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