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公开(公告)号：US20200044510A1
公开(公告)日：2020-02-06
申请号：US16478535
申请日：2018-01-25
Applicant: ADVICS CO., LTD.
Inventor： Takahiro OZAWA , Yuichi TAKEO , Yasuhito HAYASHI
Abstract: The electric brake motor unit has: a motor; a connector having a connector terminal; a first section extending in a first direction and having a first contact portion electrically connected to the connector terminal; a second section extending in the first direction and having a second contact portion electrically connected to a motor terminal; and an intermediate section extending in a second direction intersecting with the first direction between the first section and the second section. The electric brake motor unit is provided with: a bus bar in which the first section, the intermediate section, and the second section are connected in a crank shape; and a motor bracket mounted on the motor and having two positioning portions that are mutually separately positioned with a space through which the intermediate section passes and are used for positioning the intermediate section in the first direction.
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公开(公告)号：US20200039490A1
公开(公告)日：2020-02-06
申请号：US16335410
申请日：2017-09-07
Applicant: ADVICS CO., LTD.
Inventor： Tatsushi Kobayashi , Takayuki Yamamoto , Yasuhito Ishida
Abstract: The vehicular brake device includes a determination unit, a ratio setting unit, and the control unit. The determination unit determines the operating condition of a vehicular brake device. The ratio setting unit sets, on the basis of the result of determination by the determination unit, a first ratio which is the ratio of a wheel pressure generated by a piston drive unit to a target wheel pressure, and a second ratio which is the ratio of a wheel pressure generated by a hydraulic pressure adjusting unit to the target wheel pressure. The control unit controls the piston drive unit and the hydraulic pressure adjusting unit on the basis of the first ratio and the second ratio.
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公开(公告)号：US10550901B2
公开(公告)日：2020-02-04
申请号：US15758547
申请日：2016-09-16
Applicant: ADVICS CO., LTD.
Inventor： Tomoki Iwamichi , Hiroshi Anda
IPC: F16D65/097 , F16D65/18 , F16D55/227 , F16D121/24 , F16D125/40 , B60T13/74
Abstract: An electric parking brake device includes an inner engaging part formed on an inner shim, wherein the engaging part engages with a projection projecting from the back face of an inner brake pad so that mutual rotation about the central axis of a piston is controlled. An outer hook is formed on an outer shim, wherein the outer hook slidably locks to the outer circumferential edge of an outer brake pad. The outer hook is configured so that at least one of same is provided on each of an outer circumferential end on the outside of and an outer circumferential end on the inside of the outer brake pad in the radial direction and so that the set spring constant allows the outer shim to move to the outside in the radial direction with respect to the outer brake pad while the parking brake is applied.
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公开(公告)号：US10550859B2
公开(公告)日：2020-02-04
申请号：US16073049
申请日：2017-01-27
Applicant: ADVICS CO., LTD.
Inventor： Kimiyasu Suzuki
Abstract: In this negative-pressure booster, one of a negative-pressure valve seat and a negative-pressure valve section has, provided thereto, one or more first protruding sections abutting against the other of the negative-pressure valve seat and negative-pressure valve section, at a site other than a first annular abutment site, in an initial state where an operational force has not been applied to an input member; and/or one of an atmospheric valve seat and an atmospheric valve section has, provided thereto, one or more second protruding sections abutting against the other of the atmospheric valve seat and atmospheric valve section, at a site other than a second annular abutment site, in the initial state where an operational force has not been applied to the input member.
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公开(公告)号：US20190381978A1
公开(公告)日：2019-12-19
申请号：US16476702
申请日：2018-01-10
Applicant: ADVICS CO., LTD.
Inventor： Yasuhito ISHIDA , Takayuki YAMAMOTO
Abstract: This vehicle control system is provided with an input monitoring unit and a determination time changing unit. When a state in which first target data is not input to a second control unit continues for a first determination time or longer, the input monitoring unit determines the first target data to be in a non-input state. When a state in which second target data is not input to the second control unit continues for a second determination time or longer, the input monitoring unit determines the second target data to be in a non-input state. When the first target data is determined to be in a non-input state, the determination time changing unit shortens the second determination time.
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Patent Agency Ranking
公开(公告)号：US10449941B2
公开(公告)日：2019-10-22
申请号：US15568955
申请日：2016-04-21
Applicant: ADVICS CO., LTD.
Inventor： Kazuya Maki , Shintaro Osaki , Masaki Maruyama
Abstract: Provided is a braking device for a vehicle comprising: a first hydraulic pressure generation unit which generates hydraulic pressure corresponding to the volume of a master chambers in the master chambers that change in volume according to the movement of master pistons; a second hydraulic pressure generation unit which is configured so as to be capable of generating a desired hydraulic pressure in a bottoming state in which the forward movement of the master pistons is restricted by a master cylinder; braking force generation units which apply the braking force corresponding to the input hydraulic pressure to wheels of a vehicle; and a braking force control unit which causes the second hydraulic pressure generation unit to generate hydraulic pressure in the bottoming state, and inputs the hydraulic pressure to the braking force generation units.
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公开(公告)号：US10435003B2
公开(公告)日：2019-10-08
申请号：US15511566
申请日：2016-03-31
Applicant: ADVICS CO., LTD.
Inventor： Nobuyuki Hirota , Minoru Watanabe , Yu Furuta , Yoji Inoue , Eri Tanimoto
IPC: B60T13/57
Abstract: A valve mechanism of this negative pressure type booster device has: a negative pressure valve seat provided on a valve body; an atmospheric valve seat provided on a plunger; and a valve part provided with a negative pressure valve section constituting a negative pressure valve together with the negative pressure valve seat and an atmospheric valve section constituting an atmospheric valve together with the atmospheric valve seat. The valve mechanism is provided with a tilting part which is provided on at least one of the valve body and the valve part and tilts the atmospheric valve section relative to a first plane formed when the negative pressure valve section and the negative pressure valve seat are brought into contact with each other to put the negative pressure valve in a closed state.
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公开(公告)号：US10391985B2
公开(公告)日：2019-08-27
申请号：US15816228
申请日：2017-11-17
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA , ADVICS CO., LTD.
Inventor： Ryutaro Misumi , Naoki Yabusaki , Shinichiro Yukoku , Satoshi Hirata
IPC: B60T8/17 , B60T8/171 , B60T13/74 , B60T17/22 , F16D65/18 , B60T8/00 , F16D66/00 , F16D121/24 , F16D125/40 , F16D127/06
Abstract: An electric brake control apparatus includes: a clamping force acquisition unit configured to acquire a clamping force generated by moving a piston toward a pad through rotation of a motor; a lower-limit clamping force acquisition unit configured to acquire a minimum value of the clamping force required to maintain a stopped state of the rotor; an upper-limit clamping force acquisition unit configured to acquire a maximum value of the clamping force to move the piston away from the pad through a power of a power supply while maintaining the stopped state of the rotor, based on a state of a power supply; and a clamping force control unit configured to control the motor such that the clamping force is confined between the minimum value and the maximum value.
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公开(公告)号：US20190256099A1
公开(公告)日：2019-08-22
申请号：US16347224
申请日：2017-11-10
Applicant: ADVICS CO., LTD.
Inventor： Yohei MIZUGUCHI , Masato TERASAKA
IPC: B60W30/18 , B60W40/105
Abstract: Anti-skid control is performed by switching between a reduction mode for reducing braking torque and an increase mode for increasing braking torque based on a comparison between four wheel speeds and vehicle body speed. A controller calculates wheel accelerations based on wheel speeds and includes a control mode condition where the reduction mode is selected at each wheel and a wheel acceleration condition where each wheel acceleration is within a predetermined value range. If a state in which the control mode condition and the wheel acceleration condition are simultaneously satisfied is maintained over a predetermined time period, the controller determines that a residual state is satisfied. When the residual state is not satisfied, the controller calculates vehicle body speed based on the maximum value of the wheel speeds, whereas when the residual state is satisfied, the controller calculates vehicle body speed based on the minimum value of the wheel speeds.
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公开(公告)号：US10384661B2
公开(公告)日：2019-08-20
申请号：US15553948
申请日：2016-02-26
Applicant: ADVICS CO., LTD.
Inventor： Yasuhito Ishida
Abstract: A brake ECU of a vehicle braking control device, during execution of brake pressurization control, performs actuation restriction control that restricts actuation of a motor as an arbitrary upstream fluid pressure (M/C pressure) that is the brake pressure input from the M/C side of the brake fluid pressure control actuator becomes higher. The brake ECU has a threshold value changing unit that sets at least the starting threshold value at a high level when the upstream fluid pressure (M/C pressure) is high compared to when low, and as actuation restriction control actuates the motor to pump out the brake fluid from inside of the reservoirs when the reservoir fluid volume exceeds the starting threshold value, and stops the motor when the reservoir fluid volume equals the stop threshold value.
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