MAGNETIC FIELD GENERATOR

Japanese Patent JP2014212294

A

PROBLEM TO BE SOLVED: To provide a magnetic field generator using a permanent magnet which allows for generation of a transient magnetic field by changing the flux density without requiring assembly and disassembly of a magnetic circuit.SOLUTION: A magnetic field generator is constituted of a permanent magnet 1, yokes 2-7, an air gap 8, adjustment mechanism side yokes 23-26, an adjustment mechanism side gap 28, magnetic materials 30a-30c of the same material with different thickness, and a nonmagnetic translation stage 31, where the nonmagnetic translation stage 31 can translate in the translation direction 32a shown on the drawing. When translating the nonmagnetic translation stage 31 in the translation direction 32a shown on the drawing, the magnetic materials 30a-30c of the same material with different thickness arranged on the nonmagnetic translation stage 31 are inserted into the adjustment mechanism side gap 28, which changes the flux density, thereby generating a transient magnetic field.

WO/2003/009315	MAGNET ROLLER AND DEVELOPING APPARATUS USING THE SAME, MAGNET ROLLER MOLDING METHOD, AND INJECTION MOLDING METAL MOLD
JPS5854735	[Title of the Invention] A manufacturing process of a surfacing lot top coil of a maglev train

WATANABE KAZUYUKI
TOYAMA KENTARO
UCHIYAMA TAKU
MATSUZOE YUJI

JP2013183470A

November 13, 2014

September 04, 2013

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FUJI ELECTRIC CO LTD

H01F7/02

JPH0381679A	1991-04-08
JPS6370182A	1988-03-30
JPS62209812A	1987-09-16
JP2009238966A	2009-10-15
JP2008091438A	2008-04-17
JPS361065B1
JPS3720238Y1
JPH04125408U	1992-11-16
JPH04125410U	1992-11-16

Yoshiyuki Osuge

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