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:
May. 09, 2006
Filed:
Jun. 02, 2004
Haruhisa Yamasaki, Gunma, JP;
Kenzo Matsumoto, Gunma, JP;
Shigeya Ishigaki, Gunma, JP;
Masaji Yamanaka, Gunma, JP;
Kentaro Yamaguchi, Gunma, JP;
Haruhisa Yamasaki, Gunma, JP;
Kenzo Matsumoto, Gunma, JP;
Shigeya Ishigaki, Gunma, JP;
Masaji Yamanaka, Gunma, JP;
Kentaro Yamaguchi, Gunma, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
An object is to improve cooling efficiency while preventing an abnormal increase in pressure of a high side in a cooling apparatus which uses so-called carbon dioxide as a refrigerant. The cooling apparatus comprises a refrigerant circuit in which a compressor, a gas cooler, pressure reducing means, an evaporator and the like are connected in an annular shape, and carbon dioxide is sealed as a refrigerant. In a stable running state in which a temperature of a space to be cooled by the evaporator is cool, time after a start of the compressor until a difference between outlet and inlet temperatures of the evaporator becomes within 1 degree is 5 minutes or more to less than 20 minutes.