COIL DEVICE - PANASONIC IP MAN CO LTD

Title:

COIL DEVICE

Document Type and Number:

WIPO Patent Application WO/2020/080479

Kind Code:

A1

Abstract:

This coil device (1) is provided with a first coil (6) and a second coil (7). The first coil (6) has a plate-like first coil body (6a) having a first end (6b) and a second end (6c) and is spirally wound around a columnar portion (42a) along the extending direction of the columnar portion (42a) so that the second end (6c) is positioned on one side in the extending direction with respect to the first end (6b). The second coil (7) has a plate-like second coil body (7a) and is electrically connected in parallel with the first coil (6), said second coil body (7a) having a third end (7b) and a fourth end (7c) and spirally wound around the columnar portion (42a) along the extending direction so that the third end (7b) is positioned on one side in the extending direction with respect to the second end (6c) of the first coil (6) and the fourth end (7c) is positioned on one side in the extending direction with respect to the third end (7b).

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Inventors:

UKAJI HAJIME
HISHIDA MITSUOKI
KAWAMURA KIYOMI
TAMAMURA TOSHIYUKI

Application Number:

PCT/JP2019/040947

Publication Date:

April 23, 2020

Filing Date:

October 17, 2019

Export Citation:

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Assignee:

PANASONIC IP MAN CO LTD (JP)

International Classes:

H02K3/12; H01F5/04; H02K3/28

Foreign References:

JP2009254001A	2009-10-29
JPH1127886A	1999-01-29
JPH10201187A	1998-07-31
JP2008092654A	2008-04-17
JP2013165566A	2013-08-22
JP2013102680A	2013-05-23
DE102012212637A1	2014-01-23

Other References: