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Patent Searching and Data


Title:
HOISTING MACHINE AND ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2023/013439
Kind Code:
A1
Abstract:
This hoisting machine has a spindle and a plurality of hoisting machine units. The hoisting machine units are each provided with a stator frame and a rotor support. The stator frame has a shaft portion to which a stator is fixed and that is fixed to the spindle. A rotor that is rotatably supported by the shaft portion and faces the stator is fixed. Furthermore, the hoisting machine unit is formed with vents through which air passes along the axial direction of the spindle and is sent to another hoisting machine unit.

Inventors:
SHIMURA ITSUKI (JP)
Application Number:
PCT/JP2022/028448
Publication Date:
February 09, 2023
Filing Date:
July 22, 2022
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
B66B11/08; B66B1/34; H02K7/14
Foreign References:
JP2021095237A2021-06-24
JP2006230155A2006-08-31
JP2012532815A2012-12-20
JP2016105668A2016-06-09
JP2017159984A2017-09-14
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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