Title:
ELECTROMAGNETIC COIL, ELECTROMAGNETIC CLUTCH PROVIDED WITH THIS ELECTROMAGNETIC COIL, AND METHOD FOR PRODUCING THIS ELECTROMAGNETIC COIL
Document Type and Number:
WIPO Patent Application WO/2023/248941
Kind Code:
A1
Abstract:
[Problem] The present invention addresses the problem of providing a technology which enables the reduction in size and weight of an electromagnetic coil. [Solution] An electromagnetic coil (10) according to the present invention comprises: a magnetic coil case (20) that has an annular storage groove (24); a bobbinless coil (30) that is directly contained in the storage groove (24); a cover body (40) that covers the entirety of the bobbinless coil (30), while having stretchability and resin impregnation ability; and an electrical insulating layer (50) that is configured from an electrically insulating thermosetting resin, with which the cover body (40) is impregnated, so as to cover the surface of the bobbinless coil (30).
Inventors:
PLUY NICOLAS (TH)
Application Number:
PCT/JP2023/022378
Publication Date:
December 28, 2023
Filing Date:
June 16, 2023
Export Citation:
Assignee:
VALEO JAPAN CO LTD (JP)
International Classes:
H01F17/04; F16D27/10; H01F5/06; H01F27/32
Foreign References:
| JP2001241469A | 2001-09-07 | |||
| JP2010252466A | 2010-11-04 | |||
| JPS5228662A | 1977-03-03 | |||
| JP2019157962A | 2019-09-19 | |||
| JP2023054939A | 2023-04-17 |
Download PDF: