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:
Aug. 09, 2022
Filed:
Sep. 06, 2018
Gree Electric Appliances (Wuhan) Co., Ltd., Wuhan, CN;
Gree Electric Appliances, Inc. of Zhuhai, Zhuhai, CN;
Huachao Jiao, Zhuhai, CN;
Shiqiang Zhang, Zhuhai, CN;
Lianfa Wu, Zhuhai, CN;
Jianguo Xiong, Zhuhai, CN;
Bing Zhou, Zhuhai, CN;
Zhiguang Huang, Zhuhai, CN;
Donghui Li, Zhuhai, CN;
Bo Qiu, Zhuhai, CN;
Gree Electric Appliances (Wuhan) Co., Ltd., Hubei, CN;
Gree Electric Appliances, Inc. of Zhuhai, Guangdong, CN;
Abstract
The present disclosure discloses a control method for a multi-split air conditioning system and a multi-split air-conditioning system, the multi-split air conditioning system, including a compressor and a plurality of indoor units respectively arranged on a plurality of parallel branches, the indoor unit including a fan and the control method including: in a cooling mode, when the multi-split air conditioning system needs oil return, the multi-split air conditioning system opening a branch where an indoor unit in an off state is located, determining whether the indoor unit has reached a dewing condition, opening the branch on which the indoor unit is located, and controlling the fan of the indoor unit according to a determination result.