Japan, Sept. 16 -- HITACHI INDUSTRIAL PRODUCTS LTD has got intellectual property rights for 'ROTATING ELECTRIC MACHINE AND ROTATING ELECTRIC MACHINE SYSTEM.' Other related details are as follows:
Application Number: JP,2022-167649
Category (FI): H02K3/34@Z,H02K9/02@Z
Stage: PROBLEM TO BE SOLVED: To effectively protect a coil end from dust flowing into a rotating electrical machine, reduce damage to a coil, and improve reliability and service life.SOLUTION: A rotating electrical machine includes a rotor, and a stator disposed opposite the rotor through a predetermined gap, a refrigerant for cooling the rotor and the stator flows from one side in the axial direction of the rotating electric machine toward an end in the axial direction, each of the rotor and the stator includes a coil, the coil of each of the rotor and stator is coated with an insulating material, and the thickness of the insulating material coated on the part of the stator coil end facing the rotor coil on the side of the stator coil from which the refrigerant flows out is larger than the thickness of the insulating material coated on other parts of the stator coil.SELECTED DRAWING: Figure 4 (Grant)
Filing Date: Oct. 19, 2022
Publication Date: May 2, 2024
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
