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:
Sep. 15, 2026
Filed:
Jan. 18, 2023
Applicant:
Hl Mando Corporation, Pyeongtaek, KR;
Inventor:
Kyeongho Lee, Seoul, KR;
Assignee:
HL MANDO CORPORATION, Pyeongtaek-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 5/04 (2006.01); F16H 57/027 (2012.01); F16H 57/039 (2012.01);
U.S. Cl.
CPC ...
B62D 5/0403 (2013.01); B62D 5/0409 (2013.01); F16H 57/027 (2013.01); F16H 57/039 (2013.01);
Abstract
A speed reducer for an electric power steering system according to an embodiment of the present disclosure includes a gear housing, a plurality of air flow passages, and check valves. The gear housing accommodates a worm shaft and a worm wheel. The plurality of air flow passages is formed in the gear housing and connects the outside of the gear housing and a sealed space formed in the gear housing. The check valves are respectively disposed in the plurality of air flow passages.