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:
Jan. 11, 2022
Filed:
Oct. 18, 2019
Honda Motor Co., Ltd., Tokyo, JP;
Noriaki Fujita, Saitama, JP;
Norifumi Yasuda, Saitama, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
An electric rotary machine includes a rotor and a stator. The rotor includes a rotor shaft having a refrigerant flow path therein, a rotor core, a plurality of magnet pole portions, a first end plate and a second end plate. The stator includes a first coil end located radially outside the first end plate, and a second coil end located radially outside of the second end plate. The first end plate includes a first refrigerant discharge hole, a first groove portion communicating with the refrigerant flow path and communicating with the first refrigerant discharge hole, and a second groove portion communicating with the refrigerant flow path and the core through hole. The second end plate includes a second refrigerant discharge hole communicating with the refrigerant flow path via the core through hole and the second groove portion, without directly communicating with the refrigerant flow path.