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:
Sep. 15, 2020
Filed:
Apr. 05, 2016
Mitsubishi Electric Corporation, Tokyo, JP;
Kazuhiko Kawai, Tokyo, JP;
Hiromitsu Kikuchi, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
An air-conditioning apparatus includes a refrigerant circuit, an indoor unit, an indoor air-sending device, a refrigerant detection device which detects refrigerant in an air-conditioning target space, and a controller which sets each of a normal control mode and a rarefying control mode. In the normal control mode, an operation is performed in an operation mode set according to an air-conditioning load, and in the rarefying control mode, the indoor air-sending device is controlled at a rarefying rotation speed which is a higher rotation speed than that in the normal control mode. The controller includes a refrigerant determination unit which determines, based on the result of detection by the refrigerant detection device, whether leakage of refrigerant occurs or not, a control mode determining unit which determines, in the case where the leakage determination unit determines that leakage of refrigerant occurs, the rarefying control mode as a control mode to be set, and an operation control unit which controls the indoor air-sending device in accordance with the control mode set by the control mode setting unit.