ELECTRICALLY OPERATED BRAKE

WIPO Patent Application WO/2020/110386

A1

The present invention addresses the problem of providing an electrically operated brake having good operability, which is equipped with a thrust sensor which detects brake thrust and is reduced in size. In order to overcome the above problem, this electrically operated brake has a rotary shaft rotated by a rotation force, a piston moved in the axial direction by a translation force obtained by converting rotation of the rotary shaft, a brake pad pressed against a disc in accordance with the translation of the piston, a thrust bearing for receiving a thrust load applied to the rotary shaft, and a support member for supporting the thrust bearing in the axial direction, the thrust bearing coming in contact with the rotary shaft and receiving a thrust load, and being constituted from a first bearing washer for rotating integrally with the rotary shaft, a second bearing washer fixed to the support member, and a plurality of rolling elements held between the first bearing washer and the second bearing washer, a support part in contact with the support member and a non-supported part not in contact with the support member being provided to the second bearing washer on the side of the surface thereof that is in contact with the support member, and a strain sensor being provided to the non-supported part.

KINOSHITA YASUSHI (JP)
SUZUKI KENGO (JP)
ODAIRA ATSUSHI (JP)
FUJITA HARUHIKO (JP)

PCT/JP2019/032775

June 04, 2020

August 22, 2019

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HITACHI AUTOMOTIVE SYSTEMS LTD (JP)

G01L5/00; B60T13/74; F16C19/10; F16C41/00; F16D65/18; F16D66/00; F16H25/22; G01L5/22; F16D121/24; F16D125/40

JP2014047845A	2014-03-17
JP2006170352A	2006-06-29
JPH0961268A	1997-03-07
JP2016109282A	2016-06-20

POLAIRE I.P.C. (JP)

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