公开(公告)号：US20180106310A1

公开(公告)日：2018-04-19

申请号：US15556366

申请日：2016-03-31

Applicant: ADVICS CO., LTD.

Inventor： Tomohiro YOKOYAMA

IPC: F16D55/228 ,  F16D65/095

CPC classification number: F16D55/228 ,  F16D65/02 ,  F16D65/092 ,  F16D65/095 ,  F16D65/097 ,  F16D2055/0066

Abstract: A disc brake device is provided with a first pressing member disposed between a caliper and a pair of brake pads. The first pressing member has: a base section mounted to the caliper; a pair of plate spring sections extending from the base section toward one circumferential side of a disc rotor and toward the pair of brake pads and pressing the pair of brake pads inward radially; and an extension section extending from the base section toward said one circumferential side and supported by the caliper from the outside radially of the disc rotor.

公开(公告)号：US20180093652A1

公开(公告)日：2018-04-05

申请号：US15535673

申请日：2015-11-16

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  ADVICS CO., LTD.

Inventor： Hiroshi NAKAOKA ,  Kiyoyuki UCHIDA ,  Masaki MARUYAMA

IPC: B60T8/18 ,  B60T15/02 ,  B60T8/1755 ,  B60T13/14

CPC classification number: B60T8/1831 ,  B60T8/17 ,  B60T8/17555 ,  B60T8/4077 ,  B60T13/142 ,  B60T13/74 ,  B60T15/028 ,  B60T15/36 ,  B60T2270/60

Abstract: A hydraulic brake system, including: a brake operation member; a brake device; a master cylinder; a communication switching valve; a low-pressure-source shut-off valve; a high-pressure source; a regulator; a pressure adjuster; and a controller, wherein, when a pressurizing state of the master cylinder is switched from a first pressurizing state to a second pressurizing state after initiation of an operation on the brake operation member, the controller executes a pressurizing-state switching control in which switching of a state of the low-pressure-source shut-off valve from an open state to a closed state and switching of a state of the communication switching valve from a closed state to an open state are carried out after a pressure-regulating state of the regulator has been switched from a first pressure-regulating state to a second pressure-regulating state by controlling the pressure adjuster to increase a second pilot pressure while the first pressurizing state is maintained.

公开(公告)号：US20180015914A1

公开(公告)日：2018-01-18

申请号：US15541210

申请日：2016-01-15

Applicant: ADVICS CO., LTD. ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Takahiro OKANO ,  Masaki NINOYU

IPC: B60T8/34 ,  B60T13/68

CPC classification number: B60T8/34 ,  B60T7/042 ,  B60T8/4077 ,  B60T13/146 ,  B60T13/662 ,  B60T13/686

Abstract: A vehicle brake device includes a hydraulic pressure control portion which performs a feed-back control so that an actual hydraulic pressure of the brake fluid approximates an instruction target pressure and a target pressure setting portion which sets the instruction target pressure to a value closer to the actual hydraulic pressure side than an operating target pressure, when a pressure deviation between the operating target pressure which is a target value of the hydraulic pressure of the brake fluid corresponding to a brake operation and the actual hydraulic pressure is larger than a first pressure difference and at the same time when the actual hydraulic pressure is approaching to the operating target pressure.

公开(公告)号：US09835260B2

公开(公告)日：2017-12-05

申请号：US14371674

申请日：2013-01-25

Applicant: ADVICS CO., LTD.

Inventor： Tomoyuki Yamaguchi

IPC: F16K11/07 ,  F16K47/02 ,  B60T7/04 ,  B60T13/16 ,  F15B7/08

CPC classification number: F16K11/0716 ,  B60T7/042 ,  B60T13/162 ,  F15B7/08 ,  F16K11/07 ,  F16K47/02 ,  Y10T137/8671

Abstract: A spool valve V1 includes a valve element 11 and a cylinder 12 having a bore 12a which accommodates the valve element 11 to be movable in an axial direction. In this spool valve V1, when the valve element 11 in an initial position moves in the axial direction in relation to the cylinder 12, a supply valve port Vi formed between the valve element 11 and the cylinder 12 opens, whereby a working fluid is introduced from a hydraulic pressure source into a hydraulic chamber through the supply valve port Vi. A throttle portion O1 is provided in a fluid channel formed on the hydraulic chamber side of the supply valve port Vi. The throttle portion O1 is configured such that in a throttle valid region which extends from the initial position to a position where the amount of axial movement of the valve element 11 from the initial position becomes equal to a predetermined value, the area of the opening formed between the valve element 11 and the cylinder 12 is constant, and in a throttle invalid region where the amount of axial movement of the valve element 11 exceeds the predetermined value, the area of the opening increases. Thus, it becomes possible to restrain occurrence of oil impact within the hydraulic chamber to which the working fluid is supplied through the spool valve V1.

公开(公告)号：US09834185B2

公开(公告)日：2017-12-05

申请号：US14995827

申请日：2016-01-14

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  ADVICS CO., LTD.

Inventor： Masayasu Tanase ,  Wataru Ike ,  Yosuke Ohmori

IPC: B60T7/22 ,  B60T8/172 ,  B60T8/1755

CPC classification number: B60T7/22 ,  B60T8/172 ,  B60T8/1755 ,  B60T2201/022

Abstract: A vehicle braking control apparatus includes an obstacle detection unit configured to detect an obstacle ahead of a vehicle, and to detect a distance to the obstacle from the vehicle, and a relative speed of the obstacle with respect to the vehicle; an electronic control unit configured to generate a braking force of the vehicle automatically based on the distance and the relative speed, and to weaken the braking force when a value subtracting a deceleration amount of a vehicle speed of the vehicle since a start of generating the braking force, from a predetermined upper-limit deceleration amount is less than or equal to a predetermined threshold. The upper-limit deceleration amount is set to increase while an elapsed time increases since the start of generating the braking force, at least after a predetermined first time has passed since the start of generating the braking force.

公开(公告)号：US09827855B2

公开(公告)日：2017-11-28

申请号：US14908881

申请日：2014-07-30

Applicant: ADVICS CO., LTD.

Inventor： Takanori Iida ,  Takuji Ishimoto

IPC: B60T13/00 ,  B60L7/26 ,  B60T1/10 ,  B60T7/04 ,  B60T13/16 ,  B60L7/14 ,  B60L11/12 ,  B60L11/14 ,  B60L11/18 ,  B60L15/20 ,  B60T13/14 ,  B60T13/68

CPC classification number: B60L7/26 ,  B60L7/14 ,  B60L11/123 ,  B60L11/14 ,  B60L11/1861 ,  B60L15/2009 ,  B60L2210/40 ,  B60L2240/421 ,  B60L2240/80 ,  B60L2250/26 ,  B60T1/10 ,  B60T7/042 ,  B60T13/143 ,  B60T13/146 ,  B60T13/166 ,  B60T13/686 ,  B60T2270/604 ,  Y02T10/6217 ,  Y02T10/645 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7077 ,  Y02T10/7241 ,  Y02T10/7275

Abstract: A control device, when performing a reallocation control, makes the decrease gradient of regeneration braking force in a first period in which the amount of decrease in a basal fluid pressure from a reference basal fluid pressure is less than a specified amount of decrease greater than the decrease gradient of the regeneration braking force in a second period in which the amount of decrease in the basal fluid pressure is not less than the specified amount of decrease.

公开(公告)号：US09779559B2

公开(公告)日：2017-10-03

申请号：US14385610

申请日：2013-03-15

Applicant: DENSO CORPORATION ,  ADVICS CO., LTD.

Inventor： Shinichi Shimono ,  Kazuhiro Imoto ,  Risa Ito

IPC: G06F19/00 ,  G07C5/08 ,  G06F11/07 ,  G06F1/24

CPC classification number: G07C5/0808 ,  G06F1/24 ,  G06F11/0739 ,  G06F11/0757 ,  G06F11/0793

Abstract: An abnormality monitoring circuit of an ECU includes a microcomputer, a reset circuit that resets the microcomputer, a monitor circuit that monitors the operation of the microcomputer, and an output circuit that activates an external actuator. The monitor circuit has an abnormality decision signal output section that outputs an abnormality decision signal to the output circuit when not being able to confirm that an output of a normal monitor signal of the microcomputer has occurred within an abnormality decision time. The monitor circuit has a reset decision signal output section that outputs a reset decision signal to the reset circuit when not being able to confirm that an output of the normal monitor signal of the microcomputer has occurred within a BIST (Built In Self Test) completion time of the microcomputer and a reset decision time set to a time longer than the abnormality decision time.

公开(公告)号：US09752634B2

公开(公告)日：2017-09-05

申请号：US14646244

申请日：2013-11-21

Applicant: ADVICS CO., LTD.

Inventor： Yoshiyuki Yasui ,  Shinichiro Yukoku ,  Satoshi Hirata ,  Yasukuni Ojima ,  Eiichiro Iwase

IPC: F16D65/14 ,  F16D65/18 ,  B60T13/74 ,  F16D121/24 ,  F16D125/40

CPC classification number: F16D65/18 ,  B60T13/741 ,  F16D2121/24 ,  F16D2125/40

Abstract: The electric braking device is provided with: a pressing member, which has a thread portion with either an internal thread or an external thread and which applies a pressing force on a frictional member; a shaft member, which is rotated by an electric motor and is threadedly engaged with the thread portion; a first spherical surface member, which is separated from the shaft member, being capable of rotating relative to the shaft member around the axis of rotation of the shaft member, and the end surface of which is a spherical surface; and a second spherical surface member, which is in sliding contact with the spherical surface of the first spherical surface member, receives the reaction force of the pressing force, and is restrained from rotating with respect to the axis of rotation of the shaft member.

公开(公告)号：US09744957B2

公开(公告)日：2017-08-29

申请号：US14766077

申请日：2014-01-31

Applicant: ADVICS CO., LTD. ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Kiyohito Takeuchi ,  Yosuke Yamasoe ,  Yoshio Masuda ,  Masaki Ninoyu ,  Kiyoyuki Uchida ,  Yusuke Kamiya ,  Masaaki Komazawa ,  Akira Sakai

IPC: B60T13/12 ,  B60T13/14 ,  B60T13/66 ,  B60T8/40 ,  B60T7/04 ,  B60T13/68

CPC classification number: B60T13/662 ,  B60T7/042 ,  B60T8/4077 ,  B60T13/146 ,  B60T13/148 ,  B60T13/686

Abstract: The braking device for a vehicle includes a judging portion which judges whether the input piston and the output piston are in contact with or separated from each other and a control portion which outputs the control signal to the pilot pressure generating device so that the hydraulic pressure detected by the hydraulic pressure detecting device becomes a target value corresponding to a vehicle state, when judged that the input piston is not in contact with the output piston and outputs another control signal to the pilot pressure generating device, by which the pilot pressure becomes higher than the pilot pressure generated under a same vehicle state to a vehicle state in a case that the control signal is outputted when the judging portion judges that the input piston is not in contact with the output piston, when judged that the input piston is in contact with the output piston.

公开(公告)号：US20170227078A1

公开(公告)日：2017-08-10

申请号：US15501931

申请日：2015-08-06

Applicant: ADVICS CO., LTD.

Inventor： Yusuke OSHIO ,  Tetsuaki TSUZUKI ,  Kentaro YUASA

IPC: F16D65/22 ,  B60T17/18 ,  F16D51/18

CPC classification number: F16D65/22 ,  B60T8/00 ,  B60T17/18 ,  F16D51/18 ,  F16D66/00 ,  F16D2121/14 ,  F16D2121/24 ,  F16D2121/26 ,  F16D2125/40

Abstract: Electric parking brake devices are configured such that a parking lever is driven by an electric actuator. The electric actuator is provided with: an electric motor drivable in a forward/reverse direction and operationally controlled by a motor control unit according to rotational loads; a conversion mechanism capable of converting a rotational motion into a linear motion, moving the parking lever from a return position toward an operating position through forward rotation of the electric motor, and moving the parking lever from the operating position toward the return position through the reverse rotation of the electric motor; and a load applying mechanism (a stopper and a disc spring assembly) for applying a predetermined rotational load to the electric motor by driving a constituent member of the conversion mechanism after the parking lever is moved from the operating position to the return position through the reverse rotation of the electric motor.