Title:
HOISTING MACHINE AND ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2021/124703
Kind Code:
A1
Abstract:
This hoisting machine comprises a main shaft and a hoisting machine unit that is detachably attached to the main shaft. The hoisting machine unit has a shaft portion, a first support member, a first stator, a second support member, a second stator, a rotating body, a first rotor, a second rotor, and a sheave. The first rotor faces the first stator and constitutes a first motor together with the first stator. The second rotor faces the second stator and constitutes a second motor together with the second stator. The second stator or the second rotor is mechanically displaced from the first stator or the first rotor in the circumferential direction with a predetermined phase difference.
Inventors:
SHIMURA ITSUKI (JP)
ABE TAKASHI (JP)
TAKAHASHI AKESHI (JP)
ABE TAKASHI (JP)
TAKAHASHI AKESHI (JP)
Application Number:
PCT/JP2020/040577
Publication Date:
June 24, 2021
Filing Date:
October 29, 2020
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B11/08; B66B1/34; H02K7/10; H02K16/00
Foreign References:
| JP2002262528A | 2002-09-13 | |||
| JP2003276971A | 2003-10-02 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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