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:
Apr. 28, 2020
Filed:
Jun. 30, 2014
Ntn Corporation, Osaka, JP;
Takumi Kondou, Mie, JP;
Kohzoh Kakehi, Mie, JP;
NTN CORPORATION, Osaka, JP;
Abstract
It is an object of the present invention to provide a seal ring which has small oil leak and low torque generation performance for improving fuel consumption in a favorable balance as originally intended by the present invention. A seal ring () is mounted on an annular groove formed on one member consisting of either a housing having a shaft hole or a rotary shaft inserted into the shaft hole, contacts a surface of other member consisting of either the housing or the rotary shaft, and slidably contacts a side wall surface of the annular groove at a non-sealed fluid side thereof. V-shaped concave portions () which do not contact the side wall surface of the annular groove are formed on at least one portion of an end of an inner diameter side of a side surface () of the seal ring ().