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:
Jan. 03, 2012
Filed:
May. 30, 2006
Masaki Toyoshima, Tokyo, JP;
Kousuke Tanaka, Tokyo, JP;
Kouji Yamashita, Tokyo, JP;
Osamu Morimoto, Tokyo, JP;
Fumitake Unezaki, Tokyo, JP;
Masaki Toyoshima, Tokyo, JP;
Kousuke Tanaka, Tokyo, JP;
Kouji Yamashita, Tokyo, JP;
Osamu Morimoto, Tokyo, JP;
Fumitake Unezaki, Tokyo, JP;
Mitsubishi Electric Corporation, Chiyoda-Ku, Tokyo, JP;
Abstract
An air conditioner is arranged so as to be able to accurately judge a refrigerant filling state within the air conditioner regardless of environmental and installation conditions. The air conditioner has a computing sectionfor computing a condenser liquid phase area ratio that is a value related to an amount of liquid phase portion of the refrigerant within a high pressure-side heat exchanger, based on refrigerant condensation temperature of the high pressure-side heat exchanger, outlet super-cooling degree of the high pressure-side heat exchanger, intake air temperature of the high pressure-side heat exchanger, a difference of enthalpy of inlet and outlet of the high pressure-side heat exchanger and specific heat at constant pressure of a refrigerant solution at the outlet of the high pressure-side heat exchanger and a judging sectionfor judging the refrigerant filling state within the air conditioner based on a comparison of the value computed by the computing sectionwith a predetermined value.