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.
Patent No.:
Date of Patent:
Mar. 21, 2017
Filed:
Nov. 14, 2011
Applicants:
Tetsuya Yamashita, Tokyo, JP;
Takeshi Sugimoto, Tokyo, JP;
Takashi Ikeda, Tokyo, JP;
Inventors:
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 7/00 (2006.01); F25B 9/00 (2006.01); F25B 49/02 (2006.01); F25D 31/00 (2006.01); F25B 6/04 (2006.01);
U.S. Cl.
CPC ...
F25D 31/00 (2013.01); F25B 6/04 (2013.01); F25B 7/00 (2013.01); F25B 9/008 (2013.01); F25B 49/02 (2013.01);
Abstract
A refrigerating apparatus includes a high temperature side first cycle; a high temperature side second cycle; a low temperature side cycle in which carbon dioxide is used as a refrigerant; a first cascade condenser and a second cascade condenser, which each exchange heat between a high temperature side refrigerant and a low temperature side refrigerant; and a control unit lowering an evaporation temperature of a high temperature side evaporator in correspondence to the flow of the low temperature side refrigerant.