Title:
ELECTROMAGNETIC CONTACTOR
Document Type and Number:
WIPO Patent Application WO/2019/180931
Kind Code:
A1
Abstract:
An electromagnetic contactor (1) is provided with: a fixed contact (40) to which a fixed contact point (40a) is provided; a movable contact (30) to which a movable contact point (30a) is provided such that contact and non-contact between the movable contact point (30a) and the fixed contact point (40a) can be achieved; and a casing having an exhaust path (P) through which hot gas generated when a contact point between the movable contact point (30a) and the fixed contact point (40a) is open, is discharged to the outside. The casing is formed by an arc cover (11) and a grid case (80), has, on the movable contact point (30a) side in the direction of contact between the movable contact point (30a) and the fixed contact point (40a), introduction ports (81b-81d) for introducing the hot gas into the exhaust path P, and has, on the fixed contact point (40a) side in the direction of contact between the movable contact point (30a) and the fixed contact point (40a), an exhaust port (13) for discharging the hot gas introduced in the exhaust path P to the outside.
Inventors:
IKARASHI KATSUTOSHI (JP)
HOTTA KATSUKI (JP)
KOBAYASHI ATSUSHI (JP)
HOTTA KATSUKI (JP)
KOBAYASHI ATSUSHI (JP)
Application Number:
PCT/JP2018/011795
Publication Date:
September 26, 2019
Filing Date:
March 23, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01H33/08; H01H50/00
Foreign References:
| JP2017103005A | 2017-06-08 | |||
| JPH0290424A | 1990-03-29 | |||
| JPS61193312A | 1986-08-27 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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