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. 14, 2023
Filed:
Feb. 15, 2022
Applicant:
Research & Business Foundation Sungkyunkwan University, Suwon-si, KR;
Inventors:
Ja Choon Koo, Seoul, KR;
Young Min Lee, Suwon-si, KR;
Dong Jun Oh, Suwon-si, KR;
Hyung Pil Moon, Seoul, KR;
Hyouk Ryeol Choi, Gunpo-si, KR;
Assignee:
Research & Business Foundation Sungkyunkwan University, Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 15/10 (2006.01); F15B 15/20 (2006.01); B25J 9/14 (2006.01);
U.S. Cl.
CPC ...
F15B 15/103 (2013.01); F15B 15/20 (2013.01); B25J 9/146 (2013.01); F15B 2211/7058 (2013.01);
Abstract
A rotary actuator may include a first holder in which a fluid injecting portion is formed, a second holder rotatably coupled to the first holder, a flexible body fixed to the first holder and the second holder and configured to expand as a fluid is injected through the first holder, and a plurality of fibers radially disposed in a spiral shape at the flexible body and configured to rotate the flexible body when the flexible body expands.