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. 20, 2022
Filed:
Jan. 21, 2021
Mikuni Corporation, Tokyo, JP;
Toshiaki Ishii, Odawara, JP;
Makoto Koyama, Odawara, JP;
Daisuke Takayama, Odawara, JP;
Naoki Tanaka, Odawara, JP;
MIKUNI CORPORATION, Tokyo, JP;
Abstract
Provided is an exhaust valve devicefor a vehicle in which a valve elementis supported in an exhaust passageby a rotating shaftaxially supported by a valve body, a flexible joint memberis secured to an output shaftof a motor unitattached to the valve body, and a lower end of the flexible joint memberand an upper end of the rotating shaftare coupled via a rigid joint member, in which the rigid joint memberincludes: a sealing elementhaving a sealing surfaceand arm portions, the sealing surfacebeing coupled to one end of the rotating shaftand sealing an axially supported portion of one end of the rotating shaft to prevent exhaust gas from leaking, the arm portionsbeing formed in a periphery of the sealing surface; and a transmission elementhaving a spring grooveand engagement grooves, the spring groovebeing coupled to the end of the flexible joint member, the engagement groovesbeing engaged with the arm portionsof the sealing elementto restrict relative rotation.