Invention Grant
- Patent Title: Shift range control device
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Application No.: US17188290Application Date: 2021-03-01
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Publication No.: US11316464B2Publication Date: 2022-04-26
- Inventor: Koji Sakaguchi
- Applicant: DENSO CORPORATION
- Applicant Address: JP Kariya
- Assignee: DENSO CORPORATION
- Current Assignee: DENSO CORPORATION
- Current Assignee Address: JP Kariya
- Agency: Nixon & Vanderhye P.C.
- Priority: JPJP2018-164215 20180903
- Main IPC: B60L15/20
- IPC: B60L15/20 ; H02P25/22 ; F16H59/70 ; F16H61/12 ; F16H61/32 ; H02P6/16 ; H02P6/22 ; H02P23/14 ; H02P27/06 ; H02P29/028

Abstract:
A shift range control device includes a plurality of control units provided for each of motor windings. When a motor rotation angle sensor is normal, a drive control unit controls an energization of the motor winding of its own system by using a motor rotation angle signal. When the motor rotation angle sensor has an abnormality and it is determined that an output shaft is rotating before a standby time elapses, the drive control unit does not energize the motor winding of its own system. When it is determined that the output shaft is not rotating even after the standby time has elapsed, the drive control unit controls the energization of the motor winding of its own system without using the motor rotation angle signal.
Public/Granted literature
- US20210184613A1 SHIFT RANGE CONTROL DEVICE Public/Granted day:2021-06-17
Information query
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