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Patent Searching and Data


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 (1-2 Tote Honmachi, Saiwai-ku, Kawasaki-sh, Kanagawa 23, 〒2120023, JP)
Application Number:
JP2015/082047
Publication Date:
May 18, 2017
Filing Date:
November 13, 2015
Export Citation:
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Assignee:
IGARASHI ELECTRIC WORKS LTD. (1-2 Tote Honmachi, Saiwai-ku Kawasaki-sh, Kanagawa 23, 〒2120023, JP)
International Classes:
B60T13/74; F16D65/18; H02K11/21; H02P29/00; F16D121/24; F16D125/40
Foreign References:
JP2015044424A2015-03-12
JP2014101973A2014-06-05
JP2013051825A2013-03-14
JP2012228024A2012-11-15
JP2000292205A2000-10-20
Other References:
See also references of EP 3196085A4
Attorney, Agent or Firm:
TAKEZAWA Soichi et al. (4th Floor Shisei-Kaikan, 1-3 Hibiya-Koen, Chiyoda-k, Tokyo 12, 〒1000012, JP)
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