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. 02, 2021
Filed:
May. 10, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Kiyoharu Nakamura, Seto, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A motor that ensures efficient supply of a lubricating oil to a mechanical seal and a bearing to reduce temperature rise in driving of a motor is provided. The motor includes a mechanical seal through which a rotary shaft of a rotor is inserted. The mechanical seal includes a seal ring and a mating ring. The seal ring has a sealing surface. The mating ring is secured to the rotary shaft. The mating ring has a sealing surface that contacts the sealing surface of the seal ring. The mating ring has a through hole on an outer edge side of the mating ring with respect to the sealing surface of the mating ring. The lubricating oil flows through the through hole to the bearing side.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile