Title:
SLEEVE FOR ROTOR AND ROTOR
Document Type and Number:
WIPO Patent Application WO/2024/084548
Kind Code:
A1
Abstract:
Provided is a sleeve for a rotor, the sleeve comprising a through-hole for fitting a shaft including a small-diameter shaft portion and a large-diameter shaft portion different in outer diameter dimension and arranged side by side in the axial direction. The through-hole includes a small-diameter hole section and a large-diameter hole section that are disposed at positions apart in the axial direction and fit the small-diameter shaft portion and the large-diameter shaft portion, respectively, in a close contact state and an intermediate hole section disposed between the small-diameter hole section and the large-diameter hole section. The sleeve includes a groove located on inner surfaces of the small-diameter hole section and large-diameter hole section and extending from intermediate positions of the small-diameter hole section and the large-diameter hole section in the axial direction to the intermediate hole section. The sleeve includes a hydraulic pressure supply hole that opens on an inner surface of the intermediate hole section or the groove.
Inventors:
TEZUKA SHOUTA (JP)
KAWAI KENJI (JP)
KAWAI KENJI (JP)
Application Number:
PCT/JP2022/038563
Publication Date:
April 25, 2024
Filing Date:
October 17, 2022
Export Citation:
Assignee:
FANUC CORP (JP)
International Classes:
H02K1/30
Foreign References:
| JPH0526202U | 1993-04-06 | |||
| JPS6298444U | 1987-06-23 | |||
| JPH1199403A | 1999-04-13 | |||
| JPH08294802A | 1996-11-12 |
Attorney, Agent or Firm:
UEDA, Kunio et al. (JP)
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