Invention Grant
- Patent Title: Drive device
-
Application No.: US17753159Application Date: 2020-08-13
-
Publication No.: US12113403B2Publication Date: 2024-10-08
- Inventor: Kota Oda , Masayuki Kato , Ryohei Sawada
- Applicant: AutoNetworks Technologies, Ltd. , Sumitomo Wiring Systems, Ltd. , Sumitomo Electric Industries, Ltd.
- Applicant Address: JP Yokkaichi
- Assignee: AutoNetworks Technologies, Ltd.,Sumitomo Wiring Systems, Ltd.,Sumitomo Electric Industries, Ltd.
- Current Assignee: AutoNetworks Technologies, Ltd.,Sumitomo Wiring Systems, Ltd.,Sumitomo Electric Industries, Ltd.
- Current Assignee Address: JP Yokkaichi; JP Yokkaichi; JP Osaka
- Agency: Honigman LLP
- Priority: JP 19158596 2019.08.30
- International Application: PCT/JP2020/030754 2020.08.13
- International Announcement: WO2021/039415A 2021.03.04
- Date entered country: 2022-02-22
- Main IPC: H02K11/33
- IPC: H02K11/33 ; H02K11/26 ; H02K11/27 ; H02M7/48 ; H03K17/06

Abstract:
A drive device drives a motor serving as a load. A first upstream switch is disposed upstream from the motor and a first downstream switch is disposed downstream from the motor in a first current path of current flowing via the motor. A second upstream switch is disposed upstream from the motor and a second downstream switch is disposed downstream from the motor in a second current path of current flowing via the motor. A direction of the current flowing in the motor when current flows in the first current path is different from a direction of the current flowing in the motor when current flows in the second current path. The first upstream drive circuit stops flow of current via the first upstream switch when the current flowing through the first upstream switch becomes greater than or equal to a current threshold.
Public/Granted literature
- US20220345010A1 DRIVE DEVICE Public/Granted day:2022-10-27
Information query