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公开(公告)号:US5531514A
公开(公告)日:1996-07-02
申请号:US450722
申请日:1995-05-25
申请人: Michiharu Nishii , Hiroshi Toda , Akihito Kusano , Yoshiki Noda
发明人: Michiharu Nishii , Hiroshi Toda , Akihito Kusano , Yoshiki Noda
CPC分类号: B60T8/4291 , B60T8/347 , B60T8/348 , B60T8/4872 , Y10S303/90
摘要: In a hydraulic brake system for a vehicle, the brake fluid in a first wheel brake and the brake fluid in a second wheel brake, which are hydraulically connected to a pressure generating chamber of a master cylinder, are caused to individually flow into a low back pressure reservoir with the aid of an electromagnetic change-over valve and electromagnetic cut-off valves. The brake fluid in the low back pressure reservoir is caused to flow through a check valve and an orifice into the first wheel brake and through another check valve and another orifice into the second first wheel brake by the operation of a pump which is driven by an electric motor. With the pump in operation, the electromagnetic cut-off valves are individually operated so that the first and second wheel brakes are decreased or reincreased in hydraulic pressure. Thus, the system is low in manufacturing cost, being operable with only one pump and only one low back pressure reservoir.
摘要翻译: 在用于车辆的液压制动系统中,使第一车轮制动器中的制动液和液压连接到主缸的压力发生室的第二车轮制动器中的制动液单独地流入低压 借助于电磁转换阀和电磁截止阀,压力储存器。 低压储罐中的制动液通过泵的操作被引导通过止回阀和孔流入第一车轮制动器,并通过另一止回阀和另一个孔进入第二第一车轮制动器,该泵由 电动马达。 在泵运行中,电磁截止阀被单独操作,使得第一和第二轮制动器在液压下减小或重新增加。 因此,该系统的制造成本低,只能使用一个泵和仅一个低背压储存器。
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公开(公告)号:US5549366A
公开(公告)日:1996-08-27
申请号:US450637
申请日:1995-05-25
申请人: Hiroshi Toda , Michiharu Nishii , Akihito Kusano , Yoshiki Noda , Hiromu Kuromitsu , Tadashi Terazawa , Seiichi Kojima
发明人: Hiroshi Toda , Michiharu Nishii , Akihito Kusano , Yoshiki Noda , Hiromu Kuromitsu , Tadashi Terazawa , Seiichi Kojima
摘要: In a hydraulic brake system for a vehicle, the brake fluid in a first wheel brake and the brake fluid in a second wheel brake which are hydraulically connected to a pressure generating chamber of a master cylinder are individually caused to flow into a low back pressure reservoir with the aid of an electromagnetic change-over valve and first and second electromagnetic cut-off valves; and with a pump driven by an electric motor, the brake fluid flowing in the low back pressure reservoir in the above-described manner is caused to flow through a first check valve and a first orifice to the first wheel brake, and through a second check valve and a second orifice to the second wheel brake. With the pump operated, the first and second electromagnetic cut-off valves are individually operated, so that the first and second wheel brakes are individually decreased or reincreased in hydraulic pressure. For traction control, electromagnetic change-over valves provided in bypass passages are operated. Thus, with the system, anti-lock control and traction control can be achieved, and, even when the valves added for traction control become out of order, brake fluid can be supplied to or drawn from the wheel brakes as required.
摘要翻译: 在用于车辆的液压制动系统中,分别使第一车轮制动器中的制动流体和液压连接到主缸的压力发生室的第二制动器中的制动流体流入低背压储存器 借助于电磁转换阀和第一和第二电磁截止阀; 并且通过由电动机驱动的泵,以上述方式在低背压储存器中流动的制动流体通过第一止回阀和第一孔流动到第一车轮制动器,并且通过第二检查 阀门和第二孔口连接到第二车轮制动器。 在泵运行时,第一和第二电磁截止阀被单独操作,使得第一和第二轮制动器在液压压力中单独减小或重新增加。 对于牵引力控制,操作旁路通道中设置的电磁转换阀。 因此,利用该系统,可以实现防抱死控制和牵引力控制,并且即使当用于牵引力控制的增加的阀变得不规则时,也可以根据需要将制动液供给到车轮制动器。
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公开(公告)号:US06318816B1
公开(公告)日:2001-11-20
申请号:US09265365
申请日:1999-03-10
申请人: Akihito Kusano , Hiroaki Aizawa , Hiroshi Toda
发明人: Akihito Kusano , Hiroaki Aizawa , Hiroshi Toda
IPC分类号: B60T842
CPC分类号: B60T8/4081 , B60T13/686 , B60T17/18
摘要: A vehicle brake apparatus includes a brake pedal, a wheel brake cylinder operatively mounted on a wheel for applying a braking force to the wheel in proportion to a hydraulic braking pressure, a pressure source for pressurizing brake fluid to generate a hydraulic braking pressure and supply the hydraulic braking pressure to the wheel brake cylinder, and an auxiliary pressure source for pressurizing brake fluid in response to operation of the brake pedal to generate a hydraulic braking pressure and supply the hydraulic braking pressure to the wheel brake cylinder when the pressure source is non-operational. A mechanical valve is operatively mounted between the wheel brake cylinder and the auxiliary pressure source. A first passage is connected between the auxiliary pressure source and the mechanical valve and a second passage is connected between the mechanical valve and the wheel brake cylinder. The mechanical valve permits brake fluid communication between the first and the second passages when the pressure in the first passage is less than a predetermined pressure, and permits brake fluid to flow from the first passage to the second passage when the pressure of the first passage is more than the predetermined pressure.
摘要翻译: 一种车辆制动装置,包括制动踏板,可操作地安装在轮上的车轮制动缸,用于与液压制动压力成比例地向车轮施加制动力;压力源,用于对制动液进行加压以产生液压制动压力, 以及辅助压力源,用于响应于制动踏板的操作而对制动液进行加压,以产生液压制动压力,并且当压力源为非制动压力时将液压制动压力提供给车轮制动缸, 操作。 机械阀可操作地安装在车轮制动缸和辅助压力源之间。 第一通道连接在辅助压力源和机械阀之间,第二通道连接在机械阀和车轮制动液压缸之间。 当第一通道中的压力小于预定压力时,机械阀允许第一通道和第二通道之间的制动流体连通,并且当第一通道的压力是第一通道的压力时,允许制动流体从第一通道流动到第二通道 超过预定压力。
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公开(公告)号:US06217127B1
公开(公告)日:2001-04-17
申请号:US09265370
申请日:1999-03-10
申请人: Akihito Kusano , Hiroaki Aizawa , Hiroshi Toda
发明人: Akihito Kusano , Hiroaki Aizawa , Hiroshi Toda
IPC分类号: B60T1374
CPC分类号: B60T13/686 , B60T7/042 , B60T8/4081 , B60T8/4086
摘要: A load transmitting elastic member is interposed between an input rod and a piston of a master cylinder or a piston of a pedal stroke simulator to which the operation force of a brake pedal is applied from the input rod. The set load of the load transmitting elastic member is lower than the predetermined load required for causing the piston to begin to slide and the maximum load of the load transmitting elastic member is higher than the predetermined load required for causing the piston to begin to slide. The stroke of the brake pedal thus begins through application of a small depression force applied to the brake pedal and so the operational feeling of the brake pedal is improved.
摘要翻译: 载荷传递弹性构件介于输入杆和主缸的活塞或踏板行程模拟器的活塞之间,从输入杆施加制动踏板的操作力。 载荷传递弹性构件的设定载荷低于使活塞开始滑动所需的预定载荷,并且载荷传递弹性构件的最大载荷高于使活塞开始滑动所需的预定载荷。 因此,制动踏板的行程开始于施加到制动踏板上的小的下压力,因此提高了制动踏板的操作感。
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公开(公告)号:US5492394A
公开(公告)日:1996-02-20
申请号:US360583
申请日:1994-12-21
申请人: Akihito Kusano , Toru Watanabe , Hiroshi Toda , Hirokazu Yoshino
发明人: Akihito Kusano , Toru Watanabe , Hiroshi Toda , Hirokazu Yoshino
CPC分类号: B60T8/5093 , B60T8/268 , B60T8/344 , B60T8/42 , B60T8/4275 , B60T8/445 , B60T8/4827 , B60T8/4872 , B60T8/5037 , Y10S303/02
摘要: The invention is directed to a hydraulic braking system having a master cylinder (10) in which a first piston and a second piston are slidably disposed to define a first pressure chamber (11) and a second pressure chamber (12). A valve device (24) is provided between the first pressure chamber and a reservoir (20). A first pressure control device (30, 31) is provided between the first pressure chamber and wheel cylinders (38, 39), and a second pressure control device (32, 33) is provided between the second pressure chamber and wheel cylinders (40, 41). A pump (27) is provided in a passage connecting the reservoir and the first pressure control device, and driven to supply a brake pressure from the former to the latter. When the valve device is actuated to block the communication between the first pressure chamber and the reservoir, and the pump is driven, the pressure in the first pressure chamber will be increased to move the second piston, so that the pressure in the second pressure chamber will be increased. Accordingly, the pressure in each wheel cylinder may be controlled by the first or second pressure control device without depressing the brake pedal.
摘要翻译: 本发明涉及一种具有主缸(10)的液压制动系统,其中可滑动地设置第一活塞和第二活塞以限定第一压力室(11)和第二压力室(12)。 阀装置(24)设置在第一压力室和储存器(20)之间。 第一压力控制装置(30,31)设置在第一压力室和轮缸(38,39)之间,第二压力控制装置(32,33)设置在第二压力室和轮缸(40,33)之间, 41)。 在连接储液器和第一压力控制装置的通道中设置有泵(27),并被驱动以将制动压力从前者提供给后者。 当阀装置被致动以阻止第一压力室和储存器之间的连通并且泵被驱动时,将增加第一压力室中的压力以移动第二活塞,使得第二压力室 将会增加。 因此,每个轮缸的压力可以由第一或第二压力控制装置控制,而不压下制动踏板。
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6.
公开(公告)号:US06247762B1
公开(公告)日:2001-06-19
申请号:US09452721
申请日:1999-12-03
申请人: Akihito Kusano , Masahiro Inden , Toshiaki Hamada , Hiroshi Toda
发明人: Akihito Kusano , Masahiro Inden , Toshiaki Hamada , Hiroshi Toda
IPC分类号: B60T1374
CPC分类号: B60T8/4081 , B60T7/042 , B60T8/96 , B60T13/686
摘要: The present invention is directed to a vehicle braking system having a stroke simulator and a servo device, which includes a pressure generator for generating a hydraulic braking pressure, a wheel brake cylinder operatively mounted on each wheel of the vehicle, a pressure control valve device which is disposed in a passage for communicating the pressure generator with the wheel brake cylinder, to control the hydraulic braking pressure supplied to the wheel brake cylinder, and an electronic controller for controlling at least in response to an amount of operation of the brake pedal. A master cylinder is provided for communicating with the wheel brake cylinder and supplying the hydraulic braking pressure into it in response to operation of the brake pedal, when at least one of the pressure generator, the pressure control valve device and the electronic controller is abnormal. A stroke simulator is connected to the master cylinder, and arranged to allow the brake pedal to advance in response to the amount of operation of the brake pedal. And, a servo device is provided for assisting the master cylinder to operate when at least one of the pressure generator, the pressure control valve device and the electronic controller is abnormal.
摘要翻译: 本发明涉及具有行程模拟器和伺服装置的车辆制动系统,其包括用于产生液压制动压力的压力发生器,可操作地安装在车辆的每个车轮上的车轮制动缸,压力控制阀装置, 设置在用于使压力发生器与车轮制动缸连通的通道中,以控制供应到车轮制动缸的液压制动压力,以及用于至少响应于制动踏板的操作量来控制的电子控制器。 当压力发生器,压力控制阀装置和电子控制器中的至少一个异常时,主缸被设置用于响应于制动踏板的操作而与车轮制动缸连通并提供液压制动压力。 行程模拟器连接到主缸,并且布置成允许制动踏板响应于制动踏板的操作量而前进。 并且,当压力发生器,压力控制阀装置和电子控制器中的至少一个异常时,提供一个辅助主缸操作的伺服装置。
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公开(公告)号:US6164735A
公开(公告)日:2000-12-26
申请号:US218071
申请日:1998-12-22
申请人: Hiroaki Aizawa , Akihito Kusano , Hiroshi Toda
发明人: Hiroaki Aizawa , Akihito Kusano , Hiroshi Toda
CPC分类号: B60T13/74 , B60T7/042 , B60T8/00 , B60T2230/04
摘要: A vehicle brake control system includes a detecting device that receives a driver's braking intention which is in the form of a physical variable and outputting an electric signal indicating the intention, a vehicle brake device that establishes a brake operation by applying a braking force to a wheel brake device, and a control device that controls the vehicle brake device such that the braking force is in the form of an independent braking force of the electric signal and a dependent braking force on the electric signal at an initial stage and at a successive stage thereof, respectively.
摘要翻译: 一种车辆制动控制系统,包括:检测装置,其接收物理变量形式的驾驶员的制动意图,并输出表示意图的电信号;车辆制动装置,其通过向车轮施加制动力来建立制动操作 制动装置和控制装置,其控制车辆制动装置,使得制动力处于电信号的独立制动力的形式以及在初始阶段及其连续阶段对电信号的相应制动力 , 分别。
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公开(公告)号:US06120112A
公开(公告)日:2000-09-19
申请号:US124417
申请日:1998-07-29
申请人: Hiroshi Toda , Akihito Kusano , Hiroaki Aizawa
发明人: Hiroshi Toda , Akihito Kusano , Hiroaki Aizawa
CPC分类号: B60T8/4081 , B60T8/4045 , B60T8/4072 , B60T8/441 , B60T8/445 , B60T8/4827
摘要: A brake pressure control device for a vehicle includes a wheel brake, a reservoir, a master cylinder, an accumulator which stores the fluid pressure at a pressure higher than the fluid pressure generated by the master cylinder, and a fluid pump which discharges fluid pressure higher than the fluid pressure in the accumulator. A first fluid conduit connects the master cylinder to the wheel brake, a second fluid conduit connects the fluid pump to the wheel brake, a third fluid conduit connects the fluid pump to the accumulator, a fourth fluid conduit connects the accumulator to the suction port of the fluid pump, and a fifth fluid conduit connects the wheel brake to the reservoir. A first valve opens and closes the first fluid conduit, a second valve opens and closes the second fluid conduit, a third valve opens and closes the third fluid conduit, a fourth valve opens and closes the fourth fluid conduit, and a fifth valve opens and closes the fifth fluid conduit. A foot force sensor detects the force applied to the brake pedal, a vehicle deceleration sensor senses the vehicle deceleration, and a controller estimates a target deceleration of the vehicle based on the foot force detected by the foot force sensor. The controller supplies fluid pressure to the wheel brake by controlling the first valve, the second valve, the fourth valve, the fifth valve and the fluid pump so that the vehicle deceleration agrees with the target deceleration of the vehicle estimated by the controller and controls the third valve and the fluid pump in order to store the fluid pressure in the accumulator.
摘要翻译: 一种用于车辆的制动压力控制装置,包括:车轮制动器,储存器,主缸,将液压存储在高于由主缸产生的流体压力的压力的储液器;以及流体泵,其将流体压力更高 比蓄液器中的流体压力高。 第一流体管道将主缸连接到车轮制动器,第二流体管道将流体泵连接到车轮制动器,第三流体管道将流体泵连接到蓄能器,第四流体管道将蓄能器连接到吸入口 流体泵和第五流体导管将车轮制动器连接到储存器。 第一阀打开和关闭第一流体导管,第二阀打开和关闭第二流体导管,第三阀打开和关闭第三流体导管,第四阀打开和关闭第四流体导管,第五阀打开, 关闭第五个流体导管。 脚踏传感器检测施加到制动踏板的力,车辆减速传感器感测车辆减速度,并且控制器基于由脚力传感器检测到的脚力来估计车辆的目标减速度。 控制器通过控制第一阀,第二阀,第四阀,第五阀和流体泵向车轮制动器提供流体压力,使得车辆减速度与由控制器估计的车辆的目标减速度一致,并且控制 第三阀和流体泵,以便将流体压力存储在蓄能器中。
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公开(公告)号:US06309032B1
公开(公告)日:2001-10-30
申请号:US09115506
申请日:1998-07-15
申请人: Akihito Kusano , Hiroaki Aizawa , Hiroshi Toda
发明人: Akihito Kusano , Hiroaki Aizawa , Hiroshi Toda
IPC分类号: B60T840
CPC分类号: B60T8/326 , B60T7/042 , B60T13/662
摘要: A brake control apparatus is provided with a simulator for applying a biasing force to a manually operated braking member of a vehicle in response to braking operation. A sensor detects conditions of the vehicle including a braking condition of the vehicle. A first biasing device applies a first biasing force to the manually operated braking member in response to braking operation, and a second biasing device applies a second biasing force, as well. Only one of the first and second biasing devices applies the biasing force to the manually operated braking member when a predetermined condition is detected by the sensor, while both of the first and second biasing devices apply the biasing forces in the normal braking operation. The second biasing device may include a cylinder having a bore defined therein, and a piston slidably received in the bore to define a chamber filled with brake fluid, an elastic member for biasing the piston to expand the chamber, and a reservoir communicated with the chamber of the cylinder for storing the brake fluid drained from the cylinder, and controlled by a controller in response to outputs of the sensor.
摘要翻译: 制动控制装置设置有用于响应于制动操作向车辆的手动操作的制动构件施加偏置力的模拟器。 传感器检测车辆的状态,包括车辆的制动状态。 第一偏置装置响应于制动操作向手动操作的制动部件施加第一偏压力,并且第二偏压装置也施加第二偏压力。 当传感器检测到预定条件时,第一和第二偏置装置中只有一个将偏压力施加到手动操作的制动部件,同时第一和第二偏置装置在正常制动操作中施加偏置力。 第二偏置装置可以包括具有限定在其中的孔的圆柱体,以及可滑动地容纳在孔中以限定填充有制动流体的腔室的活塞,用于偏压活塞以使腔室膨胀的弹性构件,以及与腔室连通的容器 用于存储从气缸排出的制动液,并且由控制器响应于传感器的输出而控制。
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公开(公告)号:US20050236892A1
公开(公告)日:2005-10-27
申请号:US11110896
申请日:2005-04-21
申请人: Akihito Kusano
发明人: Akihito Kusano
CPC分类号: B60T8/409 , B60T8/4081 , B60T11/20
摘要: A pressure generating apparatus includes a master cylinder and a stroke simulator which has a pressure chamber communicated with a first master chamber, an atmospheric chamber communicated with a reservoir, and a piston member urged by a resilient member, and which absorbs brake fluid in response to the hydraulic pressure discharged from the first master chamber, to provide a stroke for a first master piston. The atmospheric chamber of the simulator is communicated with the reservoir when a second master piston member is placed in an initial position thereof, and blocks the communication between them, when the second master piston is advanced by a predetermined distance or more from the initial position.
摘要翻译: 压力发生装置包括主缸和行程模拟器,其具有与第一主室连通的压力室,与储存器连通的大气室和由弹性构件推动的活塞构件,并且响应于 从第一主室排出的液压,以提供用于第一主活塞的行程。 当第二主活塞构件被放置在其初始位置时,模拟器的大气室与储存器连通,并且当第二主活塞从初始位置前进预定距离或更多时,阻挡它们之间的连通。
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