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:
Feb. 09, 2016
Filed:
Jun. 30, 2014
Toyota Jidosha Kabushiki Kaisha, Toyota, Aichi-ken, JP;
Shingo Fubuki, Nissin, JP;
Toyota Jodosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
A rotating electric machine includes a stator, a rotor, and a coolant supply passage. Coils are wound on the teeth of the stator. The rotor is disposed coaxially with the stator, and has an outer circumferential surface that faces respective distal end faces of the teeth with a constant gap formed therebetween. The coolant supply passage is disposed inside the rotor, and is configured to eject a coolant from a coolant outlet of the outer circumferential surface of the rotor toward the distal end face of a corresponding one of the teeth so as to supply the coolant to the gap. A discharge groove is formed in the distal end face of the corresponding tooth. The discharge groove is inclined radially outwardly of the stator, from a coolant supply position as an axial position of the stator facing the coolant outlet, toward one edge of the distal end face of the corresponding tooth.