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Patent Searching and Data


Title:
FLAT AIR CORE COIL AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2004/049546
Kind Code:
A1
Abstract:
A flat air core coil wherein the electric insulation is improved and deformation due to secondary heating is prevented is disclosed. The flat air core coil comprises a first coil (8) composed of a wound rectangular copper wire and a second coil (9) composed of a rectangular copper wire wound in a direction opposite to that of the first coil (8). The first coil (8) and the second coil (9) are electrically connected with each other, and an insulating film (18) is interposed between the first coil and the second coil.

Inventors:
ABE TATSUO (JP)
YASUKAWA JUNICHI (JP)
Application Number:
PCT/JP2003/014598
Publication Date:
June 10, 2004
Filing Date:
November 17, 2003
Export Citation:
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Assignee:
YASKAWA DENKI SEISAKUSHO KK (JP)
ABE TATSUO (JP)
YASUKAWA JUNICHI (JP)
International Classes:
H01F5/06; H01F27/28; H01F41/06; H02K3/04; H02K3/34; H02K3/47; H02K15/04; H02K15/10; H01F17/02; H01F27/32; (IPC1-7): H02K15/04; H02K3/47
Foreign References:
JPH09261941A1997-10-03
JPS61154015A1986-07-12
JPH10225092A1998-08-21
JPH10174420A1998-06-26
US20020081529A12002-06-27
JP2002272049A2002-09-20
JP2001093767A2001-04-06
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