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. 27, 2022
Filed:
Dec. 12, 2018
Gree Electric Appliances, Inc. of Zhuhai, Guangdong, CN;
Yusheng Hu, Guangdong, CN;
Huijun Wei, Guangdong, CN;
Jia Xu, Guangdong, CN;
Fayou Luo, Guangdong, CN;
Pengkai Wan, Guangdong, CN;
Fei Wu, Guangdong, CN;
Rongting Zhang, Guangdong, CN;
Zhiming Wen, Guangdong, CN;
Gree Electric Appliances, Inc. of Zhuhai, Guangdong, CN;
Abstract
A pump body assembly and a compressor are provided. The pump body includes: a spindle, wherein the spindle has a sliding vane chute, a back pressure oil cavity being at least a part of an oil passage is located at a tail end of the sliding vane chute, an oil outlet of the back pressure oil cavity is located at the top of the back pressure oil cavity, and a position of the oil inlet of the back pressure oil cavity is lower than that of an oil outlet of the back pressure oil cavity such that a lubrication medium enters the back pressure oil cavity through the oil inlet of the back pressure oil cavity and fills up the back pressure oil cavity and flows out from the top of the back pressure oil cavity.