Title:
CORELESS ELECTROMECHANICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/139246
Kind Code:
A1
Abstract:
[Problem] To provide a structure with which it possible to maintain a constant distance between a permanent magnet and each phase of an electromagnetic coil. [Solution] Each electromagnetic coil is constituted as a tightly-wound air-core coil having an upper base part, a lower base part and two legs. The coil assembly has a configuration whereby the upper base part of each electromagnetic coil is housed within the air core region of another electromagnetic coil adjoining on the side of the upper base part, and the upper base part and leg of each of the electromagnetic coils are positioned in such a manner so as to be aligned in the circumferential direction, without overlapping in the radial direction with the upper base part and leg of the other electromagnetic coil adjoining on the side of the lower base part.
Inventors:
TAKEUCHI KESATOSHI (JP)
Application Number:
PCT/JP2018/000902
Publication Date:
August 02, 2018
Filing Date:
January 16, 2018
Export Citation:
Assignee:
GODO KAISHA IP BRIDGE 1 (JP)
International Classes:
H02K3/04; H02K3/47; H02K21/14; H02K23/58
Foreign References:
| JP2010141975A | 2010-06-24 | |||
| JP2013198398A | 2013-09-30 | |||
| JP2007124892A | 2007-05-17 | |||
| JP2001275298A | 2001-10-05 | |||
| US6140734A | 2000-10-31 | |||
| JP2549498Y2 | 1997-09-30 | |||
| JP2003070197A | 2003-03-07 | |||
| US7061153B1 | 2006-06-13 |
Attorney, Agent or Firm:
TOKKYO GYOMUHOJIN MEISEI INTERNATIONAL PATENT FIRM (JP)
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