Title:
ELEVATOR AND ELEVATOR CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2021/140556
Kind Code:
A1
Abstract:
This elevator comprises: a guide rail; an active roller guide; a door motor; and a control unit. The active roller guide guides an elevator car along the guide rail and moves the elevator car in a horizontal direction. The control unit controls the door motor and the active roller guide. The control unit operates a car-side door to open/close in a state where the guide roller of the active roller guide has been moved a certain amount, and measures a torque value applied to the door motor at the time of the opening/closing operation.
Inventors:
KOYANAGI DAISUKE (JP)
HOTATE HISASHI (JP)
NAKAGAWA KOTO (JP)
HOTATE HISASHI (JP)
NAKAGAWA KOTO (JP)
Application Number:
PCT/JP2020/000116
Publication Date:
July 15, 2021
Filing Date:
January 07, 2020
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B13/12
Domestic Patent References:
| WO2019198197A1 | 2019-10-17 |
Foreign References:
| JP2014009100A | 2014-01-20 | |||
| JP2008120471A | 2008-05-29 | |||
| JP2009215063A | 2009-09-24 | |||
| JP2016196336A | 2016-11-24 | |||
| JP2009029551A | 2009-02-12 | |||
| US20180093863A1 | 2018-04-05 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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