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:
Nov. 15, 2022
Filed:
Nov. 08, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Kensei Hata, Shizuoka-ken, JP;
Akiko Nishimine, Susono, JP;
Shotaro Kato, Shizuoka-ken, JP;
Masashi Shinoda, Shizuoka-ken, JP;
So Okita, Anjo, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A cooling system for a power transmission unit that can supply oil properly to a differential mechanism and motors. The cooling system comprises: a first branch passage to supply the oil to the differential mechanism; a second branch passage to supply the oil to the first motor; and a third branch passage to supply the oil to the second motor. The second branch passage includes a first oil feeding section that supplies the oil to a coil of the first motor, and a second oil feeding section that supplies the oil f to a core of the first motor. The third branch passage includes a third oil feeding section that supplies the oil to a coil of the second motor, and a fourth oil feeding section that supplies the oil to a core of the second motor.