Title:
ELECTRIC PARKING BRAKE DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/081827
Kind Code:
A1
Abstract:
Provided is an electric parking brake device in which a coil part is thinned to enable a resolver to be assembled into an electric parking brake and enable control of, for example, a position where a brake pad and a brake disc are tightened. A resolver is configured by: providing a base (31) in a housing (33) so as to be opposed to a rotary plate (37) that is firmly fixed to a rotary shaft (17) of an electric motor (18); providing, on the surface of the rotary plate (37) that is opposed to the base (31), a first sheet coil (43) provided with a detection winding (42) and a second sheet coil (46) provided with a primary winding (45) of an output transformer (44) connected to the detection winding (42); and providing, on the surface of the base (31) that is opposed to the rotary plate (37), a third sheet coil (48) provided with an excitation winding (47) opposed to the detection winding (42) and a fourth sheet coil (50) provided with a secondary winding (49) of the output transformer (44) opposed to the primary winding (45) of the output transformer (44).
Inventors:
TADA JUNICHI (JP)
Application Number:
PCT/JP2015/082047
Publication Date:
May 18, 2017
Filing Date:
November 13, 2015
Export Citation:
Assignee:
IGARASHI ELECTRIC WORKS LTD (JP)
International Classes:
B60T13/74; F16D65/18; H02K11/21; H02P29/00; F16D121/24; F16D125/40
Foreign References:
| JP2014101973A | 2014-06-05 | |||
| JP2012240632A | 2012-12-10 | |||
| JP2012228024A | 2012-11-15 | |||
| JPH11325964A | 1999-11-26 | |||
| JPH08136211A | 1996-05-31 | |||
| JP2015044424A | 2015-03-12 | |||
| JP2014101973A | 2014-06-05 | |||
| JP2013051825A | 2013-03-14 | |||
| JP2012228024A | 2012-11-15 | |||
| JP2000292205A | 2000-10-20 |
Other References:
See also references of EP 3196085A4
Attorney, Agent or Firm:
TAKEZAWA Soichi et al. (JP)
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