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1. (WO2018221237) DYNAMO-ELECTRIC MACHINE FOR INTERNAL COMBUSTION ENGINE

Pub. No.:    WO/2018/221237    International Application No.:    PCT/JP2018/019057
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Fri May 18 01:59:59 CEST 2018
IPC: H02K 9/19
H02K 1/32
Applicants: DENSOTRIM CO., LTD.
デンソートリム株式会社
Inventors: FUJIMURA Kazuo
藤村 和勇
Title: DYNAMO-ELECTRIC MACHINE FOR INTERNAL COMBUSTION ENGINE
Abstract:
A dynamo-electric machine (10) has a rotor (21) and a stator (31). The rotor has a nozzle (51) for forming an oil jet flow (61). An exposed-core portion of a stator core (32) is oriented along the central axis (56) of the nozzle. As a result, the jet flow does not directly contact a stator coil (33). Damage to the resin that covers the stator coil is minimized. The central axis of the nozzle extends out on the radially outward and radially inward sides of the nozzle without intersecting the rotor core (22). Placing the central axis as described above facilitates machining tool placement in a step of machining a large diameter hole (54) and a small diameter hole (55), and increases the degree of freedom when selecting the machining tool.