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. 30, 2021
Filed:
Apr. 22, 2019
Applicant:
Denso Corporation, Kariya, JP;
Inventors:
Hiroyuki Kado, Kariya, JP;
Taku Ito, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/10 (2006.01); F16H 61/32 (2006.01); F16J 15/447 (2006.01); H02K 7/116 (2006.01); H02K 5/22 (2006.01); H02K 7/14 (2006.01);
U.S. Cl.
CPC ...
H02K 5/10 (2013.01); F16H 61/32 (2013.01); F16J 15/4476 (2013.01); H02K 5/225 (2013.01); H02K 7/116 (2013.01); H02K 7/14 (2013.01); F16H 2061/326 (2013.01); H02K 2205/09 (2013.01); H02K 2213/03 (2013.01);
Abstract
A rotary actuator includes: an electric motor; a case that receives the electric motor; a rotatable body that is configured to transmit an output of the electric motor to an outside of the case; a seal member that seals between the rotatable body and the case; and a labyrinth forming portion that forms a labyrinth space in a path that extends from an outside space of the case to a sealing point of the rotatable body, at which the rotatable body is sealed by the seal member.