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Patent Searching and Data


Title:
ELECTROMAGNETIC-OPERATION-TYPE SWITCHING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/176751
Kind Code:
A1
Abstract:
An electromagnetic-operation-type switching device has: a main circuit switching unit that has a blocking unit; an operating mechanism unit that has a movable iron core, a fixed iron core, and a coil; and a link mechanism unit that links the main circuit switching unit and the operating mechanism unit, a portion of the fixed iron core of the operating mechanism unit being a plate section that surrounds the operating mechanism unit.

Inventors:
SATOU KAZUHIRO (JP)
SATO TAKASHI (JP)
KOBAYASHI MASATO (JP)
Application Number:
PCT/JP2020/033134
Publication Date:
September 10, 2021
Filing Date:
September 01, 2020
Export Citation:
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Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)
International Classes:
H01F7/16; H01H50/04; H01H33/38; H01H33/666; H01H50/36; H01H50/38
Domestic Patent References:
WO2004055850A12004-07-01
Foreign References:
JP2001237118A2001-08-31
Attorney, Agent or Firm:
SEIRYO I.P.C. (JP)
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