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Patent Searching and Data


Title:
SWITCHING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/027499
Kind Code:
A1
Abstract:
This switching device for which interruption reliability can be ensured. The switching device (100) comprises: a magnet (4) for generating a magnetic field in order to extend an arc that has developed between a fixed contact (1) and a mobile contact (2) when the fixed contact point (1a) and the mobile contact point (2a) separate from one another; a magnetic body (3), whereof one end portion is disposed so as to be contiguous to an arcing region (20) between the fixed contact (1) and the mobile contact (2) while the other end portion is disposed so as to be in contact with one of the magnetic pole surfaces of the magnet (4); and an insulation cover (3c) whereby the magnet (4) and the magnetic body (3) are protected while being isolated from an arc extension space (21) where the flow direction of the arc is different. The magnet (4) is disposed in a region other than the arcing region (20).

More Like This:
JPS61296614SEAL CONTACT DEVICE
Inventors:
WATANABE SHINYA (JP)
KOKURA KENTARO (JP)
SAGARA YUTA (JP)
MIYOSHI NOBUO (JP)
KOHI YUTA (JP)
Application Number:
PCT/JP2015/060812
Publication Date:
February 25, 2016
Filing Date:
April 07, 2015
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01H9/44; H01H73/18
Domestic Patent References:
WO2010150390A12010-12-29
Foreign References:
JPS3928834B1
JPS62287533A1987-12-14
Other References:
See also references of EP 3185270A4
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
Masuo Oiwa (JP)
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