Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COMPOSITE MATERIAL, REACTOR CORE, REACTOR, CONVERTER AND POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/128037
Kind Code:
A1
Abstract:
This reactor (1) is equipped with a coil (2), and a magnetic core (3) which is positioned on the inside and outside of the coil (2), and forms a closed magnetic circuit. At least part of the magnetic core (3) is made from a composite material containing a magnetic powder and an encapsulating resin having this powder dispersed therein. The magnetic powder contains a plurality of materials having different relative magnetic permeabilities, and typically contains both pure iron powder and iron alloy powder. By being equipped with a magnetic core (3) made from a composite material containing magnetic powders made from different substances, the reactor (1) achieves both high saturation flux density and low loss.

Inventors:
INABA KAZUHIRO (JP)
MAEDA TORU (JP)
Application Number:
PCT/JP2012/055785
Publication Date:
September 27, 2012
Filing Date:
March 07, 2012
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
INABA KAZUHIRO (JP)
MAEDA TORU (JP)
International Classes:
H01F1/20; H01F1/26; H01F27/255; H01F37/00
Foreign References:
JP2007162103A2007-06-28
JP2006283166A2006-10-19
JP2006100292A2006-04-13
Attorney, Agent or Firm:
SunCrest Patent and Trademark Attorneys (JP)
Patent business corporation Sun Crest international patent firm (JP)
Download PDF:
Claims: