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:
Apr. 29, 2025
Filed:
Dec. 12, 2018
Gree Electric Appliances, Inc. of Zhuhai, Guangdong, CN;
Mingzhu Dong, Zhuhai, CN;
Yusheng Hu, Zhuhai, CN;
Jia Xu, Zhuhai, CN;
Zhongcheng Du, Zhuhai, CN;
Liping Ren, Zhuhai, CN;
Lingchao Kong, Zhuhai, CN;
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI, Guangdong, CN;
Abstract
Pump body assembly, fluid machinery, and a heat exchange device. The pump body assembly includes: an upper flange; a lower flange; a cylinder arranged between the upper flange and the lower flange; a sliding block structure, rotatably arranged inside the cylinder, where the sliding block structure includes a connecting portion and two sliding sub-blocks arranged on the connecting portion, and the two sliding sub-blocks and an inner wall surface of the cylinder form a first sliding hole; a piston, slidably arranged inside the first sliding hole, where a variable volume cavity is formed between the piston and an inner wall of the cylinder, and the piston has a second sliding hole; and a rotation shaft, where at least a portion of the rotation shaft is slidably arranged inside the second sliding hole.