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:
Oct. 22, 2019
Filed:
Dec. 05, 2013
Guangdong Meizhi Compressor Co., Ltd., Foshan, Guangdong, CN;
Xingbiao Zhou, Guangdong, CN;
Yongjun Fu, Guangdong, CN;
Liyu Zheng, Guangdong, CN;
Cheng Zhang, Guangdong, CN;
Hong Guo, Guangdong, CN;
GUANGDONG MEIZHI COMPRESSOR CO., LTD., Foshan, Guangdong, CN;
Abstract
A compression device includes an air cylinder (); an upper bearing () and a lower bearing (); a piston () which defines a working space; a first slide vane () and a second slide vane () which separate the working space into a first and a second working chamber; a first air suction port () and a second air suction port () both of which are in communication with the working space; and a first air discharge port () and a second air discharge port () both of which are in communication with the working space. The first and the second air suction port satisfy the following condition: 0.25≤(V/S)*(S/V)≤4, where VI and Vare respectively the maximum volume of the first and the second working chamber, and Sand Sare respectively the opening area of the first and the second air suction port.