The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 05, 2006
Filed:
Aug. 18, 2003
Takafumi Nakagawa, Tokyo, JP;
Mitsuru Tsukima, Tokyo, JP;
Toshie Takeuchi, Tokyo, JP;
Kenichi Koyama, Tokyo, JP;
Tetsuya Matsuda, Tokyo, JP;
Nobumoto Tohya, Tokyo, JP;
Takafumi Nakagawa, Tokyo, JP;
Mitsuru Tsukima, Tokyo, JP;
Toshie Takeuchi, Tokyo, JP;
Kenichi Koyama, Tokyo, JP;
Tetsuya Matsuda, Tokyo, JP;
Nobumoto Tohya, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A magnetic actuator includes a first yoke, an armature which is provided inside the first yoke and made movable in reciprocating motion along a first direction inside the first yoke, first and second coils fitted inside the first yoke, a pair of second yokes affixed to the first yoke along a second direction, and permanent magnets affixed to the second yokes in a manner that the permanent magnets are positioned face to face with the armature. In the magnetic actuator thus constructed, fluxes generated by the first and second coils pass through first magnetic circuits whereas fluxes generated by the permanent magnets pass through second magnetic circuits differing from the first magnetic circuits.