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:
Dec. 06, 2022
Filed:
Aug. 22, 2019
Gree Electric Appliances, Inc. of Zhuhai, Zhuhai, CN;
Jia Xu, Zhuhai, CN;
Fayou Luo, Zhuhai, CN;
Pengkai Wan, Zhuhai, CN;
Fei Wu, Zhuhai, CN;
Ning Ding, Zhuhai, CN;
Shuang Guo, Zhuhai, CN;
Gree Electric Appliances, Inc. of Zhuhai, Zhuhai, CN;
Abstract
A pump body assembly and a compressor with the pump body assembly. The pump body assembly includes: an oil supply passage for circulating oil; and two back pressure members, at least one of the two back pressure members being provided with a back pressure groove, the back pressure groove including a first groove section and a second groove section, the first groove section and the second groove section are disposed at intervals, the first groove section communicating with the oil supply passage, the second groove section communicating with the oil supply passage, wherein the communication area of the first groove section and the oil supply passage is a, the communication area of the second groove section and the oil supply passage is b, and a<b.