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.

Date of Patent:
Aug. 03, 2021

Filed:

Apr. 17, 2018
Applicant:

Wuhan University of Science and Technology, Wuhan, CN;

Inventors:

Lin Jiang, Wuhan, CN;

Xiaoyue Pan, Wuhan, CN;

Wei Xie, Wuhan, CN;

Tixian Tian, Wuhan, CN;

Lisheng Ren, Wuhan, CN;

Zhao Wang, Wuhan, CN;

Liang Zhou, Wuhan, CN;

Zhipeng Yu, Wuhan, CN;

Han Wang, Wuhan, CN;

Xumin Gao, Wuhan, CN;

Hui Zhao, Wuhan, CN;

Jianyang Zhu, Wuhan, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F15B 15/12 (2006.01); F15B 9/14 (2006.01); F15B 15/06 (2006.01); B25J 9/14 (2006.01); B25J 9/12 (2006.01); B25J 17/02 (2006.01); B25J 19/06 (2006.01);
U.S. Cl.
CPC ...
F15B 15/125 (2013.01); B25J 9/126 (2013.01); B25J 9/146 (2013.01); F15B 9/14 (2013.01); F15B 15/068 (2013.01); F15B 15/12 (2013.01); B25J 17/0208 (2013.01); B25J 19/063 (2013.01); F15B 2211/7058 (2013.01); F15B 2215/30 (2013.01);
Abstract

A rotary joint, including: a hydraulic follow-up mechanism and a rotary transmission mechanism. The hydraulic follow-up mechanism includes a cylinder body, a valve sleeve, a valve core, a valve body, a left end cover and a right end cover. The rotary transmission mechanism includes a tray, a stabilizing ring, a follow-up disk, a torque transfer disk and a stable supporting wheel mechanism. The left end cover and the right end cover are arranged at the left and right ends of the cylinder body, respectively. The valve body is concentrically mounted in a cylindrical hollow chamber of the cylinder body. The output shaft at the right end of the valve body projects out of the right end cover. The right end of the valve core is provided with a valve core torque transfer shaft extending rightwards through the right end of the valve body.


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