FLUX CONCENTRATOR AND METHOD OF MAKING A MAGNETIC FLUX CONCENTRATOR

WIPO Patent Application WO/2011/031473

A3

A flux concentrator and method for manufacturing a flux concentrator is provided. The method can include combining powdered soft magnetic material, a binder, a solvent, a internal lubricant; mixing the materials to create a mixture, evaporating the solvent from the mixture, molding the mixture to form a flux concentrator, and curing the flux concentrator. The flux concentrator may be laminated and broken into multiple pieces, which makes the flux concentrator more flexible. Breaking the flux concentrator does not significantly affect the magnetic properties. Since the permeability of the binder is very similar to that of air, adding tiny air gaps between the fractions is not significantly different than adding more binder.

BAARMAN DAVID W (US)
SCHWANNECKE JOSHUA K (US)
TAYLOR ROY M JR (US)
NORCONK MATTHEW J (US)
STONER WILLIAM T JR (US)
TURNER KAITLYN J (US)
BERWALD THOMAS J (US)
MILES MICHAEL E (US)

PCT/US2010/046611

June 23, 2011

August 25, 2010

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ACCESS BUSINESS GROUP INT LLC (US)
BAARMAN DAVID W (US)
SCHWANNECKE JOSHUA K (US)
TAYLOR ROY M JR (US)
NORCONK MATTHEW J (US)
STONER WILLIAM T JR (US)
TURNER KAITLYN J (US)
BERWALD THOMAS J (US)
MILES MICHAEL E (US)

H01F5/06; H01F38/14; H01F27/02; H01F41/14

EP1947660A2	2008-07-23
US20080061733A1	2008-03-13
GB1480134A	1977-07-20

SHUNTA, Dustin H. et al. (900 Fifth Third Center111 Lyon Street N, Grand Rapids Michigan, US)

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