Title:
電磁石装置及びその電磁石装置を用いた開閉装置
Document Type and Number:
Japanese Patent JP5734513
Kind Code:
B2
Abstract:
An electromagnetic device includes: a fixed iron core (7); a movable iron core (8) which is disposed to face the fixed iron core (7) and to which a drive shaft (9) is fixed, whereby the movable iron core (8) is displaceable in an axis line direction of the drive shaft (9) between a retreated position and an advanced position; an electromagnetic coil (10); a permanent magnet (11) which retains the movable iron core (8) at the advanced position; supporting posts (12) which are provided parallel to the axis line direction on both side surfaces of the fixed iron core (7) and support the fixed iron core (7); an opening-side plate (13) which is provided at one end portion of the supporting post (12) in a longitudinal direction and in which the drive shaft (9) passes therethrough and is supported; and a closing-side plate (14) which is provided at the other end portion of the supporting post (12) in the longitudinal direction and in which the drive shaft (9) passes therethrough and is supported, wherein the advanced position of the movable iron core (8) is restricted by the fixed iron core (7) and the retreated position is restricted by the opening-side plate (13).
Inventors:
Kinta Gen
Kyoichi Otsuka
Toru Kimura
Kazuki Takahashi
Kyoichi Otsuka
Toru Kimura
Kazuki Takahashi
Application Number:
JP2014516621A
Publication Date:
June 17, 2015
Filing Date:
October 18, 2012
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H01F7/121; H01F7/122; H01F7/16; H01H33/38; H01H33/666
Domestic Patent References:
| JP2011216245A | 2011-10-27 |
Foreign References:
| WO2011052011A1 | 2011-05-05 |
Attorney, Agent or Firm:
Masuo Oiwa
Takenaka Ikuo
Keigo Murakami
Kenji Yoshizawa
Takenaka Ikuo
Keigo Murakami
Kenji Yoshizawa