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:
Jan. 31, 2023
Filed:
Jul. 30, 2021
Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai, Guangdong, CN;
Hui Huang, Guangdong, CN;
Yusheng Hu, Guangdong, CN;
Liying Deng, Guangdong, CN;
Zhongcheng Du, Guangdong, CN;
Jia Xu, Guangdong, CN;
Abstract
A rotary cylinder piston compressor pump is provided, including a rotating shaft (), a piston () and a cylinder (). A rotating shaft hole () is provided in the rotating shaft (). An oil guiding channel, provided in the cylinder (), communicating with the rotating shaft hole (). A recess () is formed in the inner end face of the cylinder (). An oil path () sealed relative to a compression cavity () of the cylinder () is formed between the recess () and the piston (). The oil path () between the recess () and the piston () is communicated with an oil path () between the piston () and the rotating shaft () and is communicated with the oil guiding channel by means of an oil returning channel. Also provided is a compressor including the compressor pump.