Title:
ELECTRIC PARKING LOCK DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/100124
Kind Code:
A1
Abstract:
Provided is an electric parking lock device 1 incorporated in a vehicle 2 which is an electric vehicle, the electric parking lock device comprising: an electric motor 15 that drives a lock lever 12 which meshes with a parking gear 11 of the vehicle 2; an inverter 20 that operates the electric motor 15 by means of power input via a power supply line 8 from a power unit 7 which is installed in the vehicle 2; a rotor angle sensor 24 that detects a rotation angle of a rotor 23 of the electric motor 15; and a control unit 21 that controls, on the basis of a movement position of the lock lever 12 calculated from the rotation angle of the rotor 23 which was detected by the rotor angle sensor 24, the driving of the electric motor 15 via the inverter 20 so that the lock lever 12 moves toward a lock position. When moving the lock lever 12 toward the lock position, the control unit 21 brakes the electric motor 15 by applying a short brake in a braking range before the lock position.
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Inventors:
KANAZAWA TOMIHIRO (JP)
Application Number:
PCT/JP2019/045287
Publication Date:
May 27, 2021
Filing Date:
November 19, 2019
Export Citation:
Assignee:
MIKUNI KOGYO KK (JP)
International Classes:
F16H63/34
Foreign References:
| JP2019033620A | 2019-02-28 | |||
| JP2001004023A | 2001-01-09 | |||
| JP2016086455A | 2016-05-19 | |||
| JP2010216614A | 2010-09-30 | |||
| US20040021438A1 | 2004-02-05 |
Attorney, Agent or Firm:
NAGATO, Kanji (JP)
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