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Patent Searching and Data


Title:
ELECTROMAGNETIC COIL UNIT AND ELECTROMAGNETIC CLUTCH PROVIDED WITH ELECTROMAGNETIC COIL UNIT
Document Type and Number:
WIPO Patent Application WO/2019/039154
Kind Code:
A1
Abstract:
The present invention provides an electromagnetic clutch which suppresses electrical short circuit between aluminum wires wound around a bobbin, while improving the heat dissipation performance of an electromagnetic coil. An electromagnetic coil unit 30 which is provided with: a coil case 31; and an electromagnetic coil 32 which is formed by winding up a wire 35 for coils, and which is contained within the coil case 31. This electromagnetic coil unit is characterized in that: the wire 35 for coils is formed of an aluminum wire 35a; and an alumite layer 35b is formed on the outer circumferential surface of the aluminum wire 35a.

Inventors:
MIYAZAWA KANETAKA (JP)
Application Number:
PCT/JP2018/027200
Publication Date:
February 28, 2019
Filing Date:
July 12, 2018
Export Citation:
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Assignee:
SANDEN AUTOMOTIVE COMPONENTS CORP (JP)
International Classes:
H01F5/06; F16D27/10; F16D27/112; H01F7/06; H01F41/12
Foreign References:
JPS6390105A1988-04-21
JP2006292121A2006-10-26
JP2009245658A2009-10-22
JPH02112206A1990-04-24
JP2014116204A2014-06-26
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