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Patent Searching and Data


Title:
ELECTRIC PARKING BRAKE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/181809
Kind Code:
A1
Abstract:
An electric parking brake device is designed so as to obtain a service brake that generates braking force corresponding to operation input from a vehicle user and a parking brake that generates braking force via the workings of an electric actuator, the actuation of which is controlled by a control unit, wherein a control unit (C) starts a count in accordance with the end of service brake detection by a service brake detection means (66), and stops the actuation of the control unit (C) after a first prescribed time has elapsed following the start of the count. Due to this configuration, the control unit is prevented from remaining started up for a longer time than necessary and battery load is reduced.

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Inventors:
USUI KOJI (JP)
PURANE SANDIP (JP)
NARUKAWA HIROMU (JP)
SAKAGUCHI TAKESHI (JP)
UNO MASATO (JP)
Application Number:
PCT/JP2020/047373
Publication Date:
September 16, 2021
Filing Date:
December 18, 2020
Export Citation:
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Assignee:
HITACHI ASTEMO LTD (JP)
NISSIN BRAKE SYSTEMS CO LTD (JP)
International Classes:
F16D51/22; B60T8/17; B60T13/74; F16D63/00; F16D65/22; F16D121/24; F16D125/60; F16D125/64
Foreign References:
JP2005096543A2005-04-14
JP2019171888A2019-10-10
JP2018009617A2018-01-18
Attorney, Agent or Firm:
OCHIAI & CO. (JP)
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