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Patent Searching and Data


Title:
MOTOR DRIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/193881
Kind Code:
A1
Abstract:
The motor driving device 1 according to one embodiment of the present invention drives a motor 10 including three-phase coil portions 11A-11C and is provided with a drive circuit 20 and a switch circuit 30. The drive circuit 20 has three output terminals 24A-24C capable of being electrically connected to the coil portions 11A-11C and generates three-phase drive currents supplied to the respective coil portions via the output terminals. The switch circuit 30 is set between the motor and the drive circuit. The switch circuit 30 is configured to be selectively switchable between a connection state in which the output terminals 24A-24C and the coil portions 11A-11C are connected to each other and a short-circuit state in which the output terminals and the coil portions are disconnected from each other and the coil portions are mutually short-circuited.

Inventors:
SATO, Kousuke (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
OCHIAI, Hirotaka (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
Application Number:
JP2018/014743
Publication Date:
October 25, 2018
Filing Date:
April 06, 2018
Export Citation:
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Assignee:
KYB CORPORATION (World Trade Center Bldg, 4-1 Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
International Classes:
H02P3/22
Foreign References:
JP2016013794A2016-01-28
US20170100979A12017-04-13
Attorney, Agent or Firm:
OMORI, Junichi (2nd Floor U&M Akasaka Bldg, 7-5-47 Akasaka Minato-k, Tokyo 52, 〒1070052, JP)
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