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:
Mar. 21, 2023
Filed:
Sep. 24, 2020
Applicant:
Ovg Vacuum Technology (Shanghai) Co., Ltd., Shanghai, CN;
Inventors:
Assignee:
OVG VACUUM TECHNOLOGY (SHANGHAI) CO., LTD., Shanghai, CN;
Primary Examiner:
Int. Cl.
CPC ...
F01C 1/08 (2006.01); F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 15/00 (2006.01); F04C 2/00 (2006.01); F04C 2/18 (2006.01); F04C 11/00 (2006.01);
U.S. Cl.
CPC ...
F04C 15/0076 (2013.01); F04C 2/18 (2013.01); F04C 11/001 (2013.01); Y10T 403/7024 (2015.01);
Abstract
A structure comprising a rotor body, the rotor body including a rotor shaft arranged on one end face of the rotor body, a sub-shaft cavity opened in the rotor shaft, and locating keyways symmetrically opened on both sides inside the sub-shaft cavity; a sub-shaft arranged on the other end face of the rotor body, and sub-shaft locating keyways symmetrically opened on both sides of the sub-shaft.