US 12,142,447 B2
Switch
Katsuki Hotta, Tokyo (JP); Shinya Watanabe, Tokyo (JP); Takashi Inaguchi, Tokyo (JP); and Katsutoshi Ikarashi, Tokyo (JP)
Assigned to MITSUBISHI ELECTRIC CORPORATION, Tokyo (JP)
Appl. No. 17/781,044
Filed by Mitsubishi Electric Corporation, Tokyo (JP)
PCT Filed Dec. 2, 2020, PCT No. PCT/JP2020/044843
§ 371(c)(1), (2) Date May 31, 2022,
PCT Pub. No. WO2021/149362, PCT Pub. Date Jul. 29, 2021.
Claims priority of application No. 2020-008922 (JP), filed on Jan. 23, 2020.
Prior Publication US 2022/0415597 A1, Dec. 29, 2022
Int. Cl. H01H 50/38 (2006.01); H01H 50/54 (2006.01)
CPC H01H 50/38 (2013.01) [H01H 50/54 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A switch comprising:
a first fixed contactor including a first fixed contact;
a second fixed contactor disposed at an interval in a first direction aligned with the first fixed contactor;
a movable contactor extending in the first direction, including a first movable contact provided at a position facing the first fixed contact at a first end portion, and provided to be able to come into contact with and separate from the first fixed contactor in a second direction perpendicular to the first direction;
at least a pair of permanent magnets arranged to sandwich the movable contactor and to cause their surfaces facing the movable contactor in a third direction perpendicular to the first direction and the second direction of the movable contactor to have an identical polarity; and
a yoke made of a magnetic material surrounding a periphery of the movable contactor in the first direction and the third direction and connected to surfaces of the permanent magnets on opposite sides of surfaces facing the movable contactor, wherein
the yoke includes a protrusion protruding toward the movable contactor at a position facing the first end portion of the movable contactor in the first direction, the protrusion being made of the same material as the yoke and continuous with the yoke.