Title:
ELECTROMAGNET DEVICE AND ELECTROMAGNETIC CONTACTOR
Document Type and Number:
WIPO Patent Application WO/2017/159077
Kind Code:
A1
Abstract:
An electromagnet device (17) is provided with: a fixed core (17a, 17b); a coil unit (17g) comprising spools (17e, 17f) with electromagnetic coils (17c, 17d) wound on an outer periphery thereof; a yoke (17j) fixed to one end of each of the fixed cores which have been inserted through core insertion holes (17h, 17i) of the spool; magnetic pole plates (17k, 17m) connected with another end of each of the fixed cores which have been inserted through the core insertion holes of the spool; and a movable core (17n) disposed to oppose the magnetic pole plates. The coil unit is provided with first connecting portions (30 to 33, 34 to 37, 46, 47, 38, 39) which detachably connect the yoke and the magnetic pole plates.
Inventors:
WATANABE KAZUYUKI (JP)
OKUBO KOJI (JP)
UCHIYAMA TAKU (JP)
KAWASHIMA SHIGENORI (JP)
OKUBO KOJI (JP)
UCHIYAMA TAKU (JP)
KAWASHIMA SHIGENORI (JP)
Application Number:
PCT/JP2017/003186
Publication Date:
September 21, 2017
Filing Date:
January 30, 2017
Export Citation:
Assignee:
FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO LTD (JP)
International Classes:
H01F7/127; H01F7/16; H01H50/36; H01H50/44
Foreign References:
| JPH1031949A | 1998-02-03 | |||
| JP2007195271A | 2007-08-02 | |||
| JPH0210621A | 1990-01-16 |
Other References:
See also references of EP 3432323A4
Attorney, Agent or Firm:
HIROSE Hajime et al. (JP)
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