公开(公告)号：US11884254B2

公开(公告)日：2024-01-30

申请号：US17047809

申请日：2019-04-11

Applicant: Robert Bosch GmbH

Inventor： Shuichi Miyagawa ,  Jochen Bodmann ,  Yasutaka Nagakura

IPC: B60T8/40 ,  B60T8/44 ,  B60T8/48

CPC classification number: B60T8/4072 ,  B60T8/442 ,  B60T8/4872 ,  B60T2220/04 ,  B60T2270/604

Abstract: A vehicle brake system and method for increasing the brake pressure in a first wheel brake cylinder and for limiting the brake pressure in a second wheel brake cylinder of a vehicle brake system. The method includes increasing a first brake pressure in the first wheel brake cylinder by controlling/holding a wheel inlet valve in its open state and controlling/holding a first wheel outlet valve in its closed state, and limiting an increase of a second brake pressure in the second wheel brake cylinder during the transfer of brake fluid into the first wheel brake cylinder by controlling/holding a second wheel inlet valve in its closed state and controlling a second wheel outlet valve into its open state. The second wheel outlet valve is controlled with a pulse width-modulated signal so that during the transfer of brake fluid, the second wheel outlet valve is permanently in its open state.

公开(公告)号：US20190193701A1

公开(公告)日：2019-06-27

申请号：US15852543

申请日：2017-12-22

Applicant: Robert Bosch GmbH

Inventor： Ryan Kuhlman ,  Simon Hansmann

IPC: B60T8/40 ,  B60T13/74 ,  B60T13/66

CPC classification number: B60T8/4086 ,  B60T7/042 ,  B60T8/4081 ,  B60T8/409 ,  B60T8/442 ,  B60T13/166 ,  B60T13/662 ,  B60T13/745 ,  B60T2220/04

Abstract: A vehicle braking system includes a wheel cylinder, a master cylinder, a brake pedal operable to transmit a user input force to the master cylinder, a primary braking unit including a first electronically controlled pressure generating unit distinct from the master cylinder and operable to generate a braking force at the wheel cylinder in a first mode of operation, a secondary braking unit including a second electronically controlled pressure generating unit distinct from the master cylinder and operable to generate a braking force at the wheel cylinder in a second mode of operation and a pedal feel simulator operable to provide feedback to the brake pedal according to a fixed characteristic of the pedal feel simulator defining a predetermined force-stroke relationship relating a travel distance of the brake pedal to the user input force. In the first mode of operation, the secondary braking unit is operable to receive fluid from the master cylinder to diverge from the predetermined force-stroke relationship at the brake pedal.

公开(公告)号：US09758139B2

公开(公告)日：2017-09-12

申请号：US14441288

申请日：2013-12-11

Applicant: Continental Teves AG & Co. oHG

Inventor： Thorsten Ullrich ,  Thomas Peichl ,  Robert Schmidt

IPC: B60T8/44 ,  B60T8/36

CPC classification number: B60T8/442 ,  B60T8/3655

Abstract: A method for operating a brake system, which brake system includes a master brake cylinder, which is actuated by the driver with the aid of a brake force booster, a driver-independent pressure source, and at least one wheel brake to which a wheel speed sensor is assigned. During a braking operation initiated by the driver, which is identified in particular by a brake lamp switch, the present vehicle deceleration is determined and compared with a predefined threshold value, and the at least one driver-independent pressure source is activated if the determined vehicle deceleration reaches or falls below the predefined threshold value. A brake system for a motor vehicle, which brake system has a control unit in which the method is carried out is also disclosed.

公开(公告)号：US09604615B2

公开(公告)日：2017-03-28

申请号：US14648617

申请日：2013-11-18

Applicant: Robert Bosch GmbH

Inventor： Juergen Dorsch

IPC: B60T13/16 ,  B60T8/48 ,  B60T8/44 ,  B60T8/1755 ,  B60T13/14

CPC classification number: B60T8/4872 ,  B60T8/1755 ,  B60T8/442 ,  B60T13/14

Abstract: In a method for carrying out a braking procedure in a vehicle having a hydraulic brake system, when the brake temperature exceeds a boundary value hydraulic fluid is intermediately stored in a storage chamber, and when brake fading occurs the hydraulic fluid is pumped back into the brake circuit.

公开(公告)号：US20150298671A1

公开(公告)日：2015-10-22

申请号：US14648617

申请日：2013-11-18

Applicant: Robert Bosch GmbH

Inventor： Juergen DORSCH

IPC: B60T8/48 ,  B60T13/14 ,  B60T8/1755

CPC classification number: B60T8/4872 ,  B60T8/1755 ,  B60T8/442 ,  B60T13/14

Abstract: In a method for carrying out a braking procedure in a vehicle having a hydraulic brake system, when the brake temperature exceeds a boundary value hydraulic fluid is intermediately stored in a storage chamber, and when brake fading occurs the hydraulic fluid is pumped back into the brake circuit.

Abstract translation: 在具有液压制动系统的车辆中执行制动过程的方法中，当制动器温度超过边界值时，将液压流体中间储存在储存室中，并且当制动器褪色时，液压流体被泵回制动器 电路。

公开(公告)号：US08926027B2

公开(公告)日：2015-01-06

申请号：US13290127

申请日：2011-11-07

Applicant: Takashi Shimada

Inventor： Takashi Shimada

IPC: B60T13/16 ,  B60T7/04 ,  B60T8/40 ,  B60T8/44 ,  B60T13/66 ,  B60T13/68 ,  B60T13/74 ,  B60T17/22

CPC classification number: B60T7/042 ,  B60T8/4081 ,  B60T8/442 ,  B60T13/662 ,  B60T13/686 ,  B60T13/745 ,  B60T17/22

Abstract: A vehicle braking system includes an operation amount detector, a hydraulic pressure source, a controller, and a wheel cylinder. The hydraulic pressure source is to generate brake hydraulic pressure corresponding to an amount of operation detected by the operation amount detector. The wheel cylinder is to be operated by the brake hydraulic pressure generated by the hydraulic pressure source. The hydraulic pressure source includes a first actuator and a second actuator. The first actuator includes a piston and an electric motor. The electric motor is configured to move the piston forwardly to generate the brake hydraulic pressure. The second actuator includes a pump configured to pressurize brake fluid located downstream of the first actuator. The controller is configured to selectively operate the first actuator and the second actuator based on the amount of operation detected by the operation amount detector.

Abstract translation: 车辆制动系统包括操作量检测器，液压源，控制器和轮缸。 液压源是产生对应于由操作量检测器检测的操作量的制动液压。 轮缸应由液压源产生的制动液压操作。 液压源包括第一致动器和第二致动器。 第一致动器包括活塞和电动马达。 电动机配置为向前移动活塞以产生制动液压。 第二致动器包括构造成对位于第一致动器下游的制动液体加压的泵。 控制器被配置为基于由操作量检测器检测到的操作量来选择性地操作第一致动器和第二致动器。

公开(公告)号：US08919893B2

公开(公告)日：2014-12-30

申请号：US13256792

申请日：2010-03-17

Applicant: Arata Inoue ,  Kunimichi Hatano

Inventor： Arata Inoue ,  Kunimichi Hatano

IPC: B60T8/44 ,  B60T17/22 ,  B60T8/40

CPC classification number: B60T17/221 ,  B60T8/405 ,  B60T8/4081 ,  B60T8/442 ,  B60T2201/12

Abstract: Under a normal condition, brake fluid pressure generated by a slave cylinder (23) that operates according to operation of a brake pedal (12) is fed to a wheel cylinder (16, 17; 20, 21) to perform braking, while under a fault condition of the slave cylinder (23), brake fluid pressure generated by a master cylinder (11) for backup that operates by the operation of the brake pedal (12) is fed to the wheel cylinder (16, 17; 20, 21) to perform braking. In the latter case, brake fluid fed by a pump (64) is fed to the wheel cylinder (16, 17; 20, 21), before the brake fluid is fed from the master cylinder (11) to the wheel cylinder (16, 17; 20, 21) by a driver depressing the brake pedal (12). Accordingly, without leading to an increase in the stroke of the brake pedal (12), a required amount of brake fluid can be fed to the wheel cylinder (16, 17; 20, 21) to thus ensure a sufficient braking force.

Abstract translation: 在正常状态下，由根据制动踏板（12）的操作而操作的从动缸（23）产生的制动液压被供给至轮缸（16,17; 20,21）以进行制动，同时在 从动液压缸（23）的故障状态由通过制动踏板（12）的操作而动作的用于备用的主缸（11）产生的制动液压被供给至轮缸（16,17; 20,21） 执行制动。 在后一种情况下，在将制动流体从主缸（11）供给到轮缸（16）之前，由泵（64）供给的制动液供给到轮缸（16,17; 20,21） 17; 20,21）由驾驶员按下制动踏板（12）。 因此，不会导致制动踏板（12）的行程的增加，所以可以向轮缸（16,17; 20,21）供给所需量的制动液，从而确保足够的制动力。

公开(公告)号：US20140054955A1

公开(公告)日：2014-02-27

申请号：US14008202

申请日：2012-09-26

Applicant: Masaki Ninoyu ,  Masayuki Naito ,  Yasuhiro Koike

Inventor： Masaki Ninoyu ,  Masayuki Naito ,  Yasuhiro Koike

IPC: B60T8/17 ,  B60T13/16 ,  B60T13/58

CPC classification number: B60T8/17 ,  B60T8/442 ,  B60T8/4872 ,  B60T13/161 ,  B60T13/586 ,  B60T13/686 ,  B60T2270/604

Abstract: Taking a stroke within a period from when an operation of a brake operating member is started to when a predetermined stroke operation is performed as an ineffective stroke in which the master cylinder pressure is not generated, a control means controls an amount of differential pressure formed by a differential control valve such that a hydraulic braking force that corresponds to a stroke of the brake operating member is generated during the ineffective stroke, and even after the stroke of the brake operating member exceeds the ineffective stroke, increases the wheel cylinder pressure by performing raising of the amount of differential pressure formed by the differential pressure control valve by a predetermined raising amount with respect to the amount of differential pressure during the ineffective stroke.

Abstract translation: 在从制动操作构件的操作开始到执行预定行程操作的时间段内的行程作为不产生主缸压力的无效行程时，控制装置控制由 差动控制阀使得在无效行程期间产生对应于制动操作构件的行程的液压制动力，并且即使在制动操作构件的行程超过无效行程之后，通过执行升高来增加轮缸压力 由差压控制阀形成的差压量相对于无效行程中的压差量的预定提升量。

公开(公告)号：US08641152B2

公开(公告)日：2014-02-04

申请号：US13290873

申请日：2011-11-07

Applicant: Ross Dykstra Pursifull ,  Moses Alexander Fridman ,  Ralph Wayne Cunningham

Inventor： Ross Dykstra Pursifull ,  Moses Alexander Fridman ,  Ralph Wayne Cunningham

IPC: B60T8/42 ,  F01P7/14

CPC classification number: B60T13/662 ,  B60T7/042 ,  B60T8/441 ,  B60T8/442

Abstract: Methods and systems are provided to reduce a hard brake pedal feel. A brake control variable is adjusted in anticipation of a hard pedal condition to increase hydraulic brake line pressure and maintain a normal pedal feel. A pedal force is inferred from brake line pressure relative to brake booster vacuum.

Abstract translation: 提供方法和系统以减少硬刹车踏板的感觉。 制动控制变量在预期硬踏板条件下进行调整，以增加液压制动管路压力并保持正常的踏板感觉。 踏板力相对于制动助力器真空从制动管路压力推断。

公开(公告)号：US20130221733A1

公开(公告)日：2013-08-29

申请号：US13733426

申请日：2013-01-03

Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.

Inventor： Atsushi MATSUOKA

IPC: B60T13/58 ,  B60T13/14

CPC classification number: B60T13/586 ,  B60T1/10 ,  B60T8/3275 ,  B60T8/348 ,  B60T8/442 ,  B60T8/4872 ,  B60T13/145 ,  B60T2270/604

Abstract: A brake control apparatus includes a first brake fluid passage connecting a master cylinder to a wheel cylinder. A second brake fluid passage is connected to the first brake fluid passage. A first pump pressurizes brake fluid from the master cylinder and sends the pressurized brake fluid to the wheel cylinder through the second brake fluid passage. A third brake fluid passage is branched from the first brake fluid passage, and connected to the first pump. A fourth brake fluid passage is branched from the third brake fluid passage, and connected to the first brake fluid passage. A pressure regulator reservoir is disposed in the fourth brake fluid passage. A second pump sends brake fluid from the pressure regulator reservoir to the wheel cylinder by discharging to the first brake fluid passage.

Abstract translation: 制动控制装置包括将主缸连接到轮缸的第一制动流体通道。 第二制动流体通道连接到第一制动流体通道。 第一泵对来自主缸的制动液加压，并且通过第二制动液通道将加压制动液送到轮缸。 第三制动流体通道从第一制动流体通道分支，并连接到第一泵。 第四制动流体通道从第三制动流体通道分支，并连接到第一制动流体通道。 压力调节器贮存器设置在第四制动流体通道中。 第二泵通过排放到第一制动液通道将制动液从压力调节器储存器传送到轮缸。