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Patent Searching and Data


Title:
MOTOR DRIVE DEVICE, AND FUSE WITH INTEGRAL HEATER
Document Type and Number:
WIPO Patent Application WO/2022/045111
Kind Code:
A1
Abstract:
A first fuse with an integral heater, including a first fuse element provided at a neutral point of a stator coil and a first heater portion which generates heat to cut the first fuse element, is provided in a stator coil, and a microcomputer outputs a heater energization command signal upon detecting a short-circuit failure of an inverter, in such a way that electric power is supplied to the first heater portion.

Inventors:
SATO HIROSHI (JP)
SHIINO KOHTARO (JP)
Application Number:
PCT/JP2021/030939
Publication Date:
March 03, 2022
Filing Date:
August 24, 2021
Export Citation:
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Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
B62D5/04; H01H37/76; H02K11/20; H02M7/48; H02P27/06
Domestic Patent References:
WO2018096596A12018-05-31
WO2021153433A12021-08-05
Foreign References:
JP2011223788A2011-11-04
JP2009259724A2009-11-05
JP2009254083A2009-10-29
JP2014176215A2014-09-22
JP2004104868A2004-04-02
Attorney, Agent or Firm:
YAMAMOTO, Osamu et al. (JP)
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