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:
Jun. 11, 2019
Filed:
Dec. 26, 2014
Gree Electric Appliances, Inc. of Zhuhai, Zhuhai, Guangdong, CN;
Wenjie Dai, Guangdong, CN;
Shiqiang Zhang, Guangdong, CN;
Yihe Zhang, Guangdong, CN;
Jianguo Xiong, Guangdong, CN;
Kai Yu, Guangdong, CN;
Benyong Bao, Guangdong, CN;
Weiguo Li, Guangdong, CN;
Gree Electric Appliances, Inc. of Zhuhai, Zhuhai, Guangdong, CN;
Abstract
A variable refrigerant volume system includes: a compressor; a four-way valve; an indoor unit; a liquid tube, the first end thereof being connected to the indoor unit, the second end thereof being connected to the third valve port of the four-way valve, and a condenser being provided on the liquid tube; a low pressure air pipe, the first end thereof being connected to the indoor unit, and the second end thereof being connected to the fourth valve port of the four-way valve; a refrigerant adjustment tank, the first port thereof being connected to the liquid tube, the second port thereof being connected to the low pressure air pipe, and the third port thereof optionally communicating with the liquid tube or the low pressure air pipe.