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公开(公告)号：US5114216A
公开(公告)日：1992-05-19
申请号：US448210
申请日：1989-12-08
CPC分类号： B60T8/5012 , B60T8/341 , B60T8/4068 , B60T8/5037
摘要： An anti-lock brake system for a wheel wherein a fluid pressure is applied to a wheel cylinder, through a solenoid-operated valve device and a flow control device. Upon detection of locking of the wheel, the valve device is brought into an anti-lock state in which the valve device is alternately placed in its pressure-increase and pressure-decrease positions. The flow control device is normally placed in a first mode for a sufficient flow of the fluid into the wheel cylinder, and is operated in a second mode with the valve device placed in the anti-lock state. In the second mode, the flow control device decreases the rate of fluid flow to the wheel cylinder, with an increase in a difference between the power source pressure and the wheel cylinder pressure. An assisting device is provided for enabling the flow control device to adequaely effect the first mode of operation for at least a period between commencement of brake application and commencement of anti-lock operation of the valve device. The assisting device further assists the flow control device to adequately effect the second mode of operation at least while the valve device is in the pressure-increase position during the anti-lock operation of the valve decive.
摘要翻译： 一种用于车轮的防抱死制动系统，其中通过电磁阀装置和流量控制装置将流体压力施加到轮缸。 在检测到车轮的锁定时，阀装置处于防抱死状态，其中阀装置交替地放置在其增压和减压位置。 流量控制装置通常被放置在第一模式中，以使流体充分流入轮缸，并且在阀装置处于防抱死状态下以第二模式操作。 在第二模式中，流量控制装置随着电源压力和轮缸压力之间的差异的增加而降低到轮缸的流体流量。 提供了一种辅助装置，用于使得流量控制装置能够在开始制动施加和开启阀装置的防止锁定操作之间的至少一段时间内适当地影响第一操作模式。 至少在阀装置的防抱死操作期间阀装置处于增压位置时，辅助装置进一步辅助流量控制装置充分地实现第二操作模式。
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公开(公告)号：US4957330A
公开(公告)日：1990-09-18
申请号：US307481
申请日：1989-02-08
CPC分类号： B60T8/4275 , B60T8/5012 , B60T8/5037 , Y10S303/90
摘要： A braking device having a high-pressure hydraulic system including a hydraulic pressure source, a wheel-cylinder hydraulic system including a wheel cylinder for applying brake to a vehicle wheel, a low-pressure hydraulic system including a reservoir, a solenoid-operated directional control valve device for fluid communication of the wheel-cylinder hydraulic system selectively with the high-pressure hydraulic system or the low-pressure hydraulic system, an electric control device connected to the directional control valve device to control the wheel cylinder pressure, and a variable flow restrictor device disposed in the high-pressure hydraulic system or the wheel-cylinder hydraulic system, for decreasing a rate of flow of the fluid through the high-pressure or wheel-cylinder hydraulic system, with an increase in a pressure difference between the high-pressure and wheel-cylinder hydraulic systems, and with an increase in a pressure in the wheel-cylinder hydraulic system. The flow restrictor device may consist of two pilot-operated variable flow restrictor valves which may be disposed in the high-pressure and wheel-cylinder hydraulic systems, respectively, or both disposed in one of these two systems.
摘要翻译： 具有包括液压源的高压液压系统的制动装置，包括用于向车轮施加制动的轮缸的车轮液压系统，包括油箱的低压液压系统，电磁操作方向控制 用于选择性地与高压液压系统或低压液压系统的轮缸液压系统流体连通的阀装置，连接到方向控制阀装置以控制轮缸压力的电控装置，以及可变流量 限制装置设置在高压液压系统或车轮液压系统中，用于通过高压或轮缸液压系统降低流体的流量， 压力和轮缸液压系统，并且在车轮液压系统中增加压力。 限流装置可以包括两个先导操作的可变流量限制阀，其可以分别设置在设置在这两个系统之一中的高压和轮缸液压系统中，或者两者。
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3.发明授权Brake fluid pressure control apparatus for compensating a malfunction of brake operational force sensor 失效制动液压力控制装置，用于补偿制动操作力传感器的故障
公开(公告)号：US6007164A
公开(公告)日：1999-12-28
申请号：US896730
申请日：1997-07-21
IPC分类号： B60T8/88 , B60T7/04 , B60T8/32 , B60T8/36 , B60T8/40 , B60T8/94 , B60T17/18 , B60T13/12 , B60T13/68
CPC分类号： B60T8/4081 , B60T17/18 , B60T7/042 , B60T8/326 , B60T8/3655 , B60T8/94
摘要： A brake fluid pressure control apparatus achieves a sufficiently large brake force even when a malfunction occurs in an operational force sensor for detecting a level of operational force applied to a brake system. A magnitude of a master cylinder pressure generated by a master cylinder is detected by a master cylinder pressure sensor. A linear fluid pressure source generates a linear fluid pressure adjusted by the magnitude of the master cylinder pressure. Front wheel cylinders and rear wheel cylinders are provided with the linear fluid pressure. A front wheel cylinder pressure is detected and a front wheel cylinder pressure value corresponding to a magnitude of the front wheel cylinder pressure is output by a front wheel cylinder sensor. If it is determined that a malfunction is occurring in the operational force sensor, a connection of the front wheel cylinders is switched from the linear fluid pressure source to the master cylinder. At this time, the linear fluid pressure source is controlled based on the front wheel cylinder pressure value.
摘要翻译： 即使在用于检测施加到制动系统的操作力的水平的操作力传感器中发生故障，制动液压控制装置也实现足够大的制动力。 由主缸压力传感器检测由主缸产生的主缸压力的大小。 线性流体压力源产生由主缸压力的大小调节的线性流体压力。 前轮缸和后轮缸具有线性流体压力。 检测前轮缸压力，并且通过前轮缸传感器输出与前轮缸压力的大小对应的前轮缸压力值。 如果确定在操作力传感器中发生故障，则前轮缸的连接从线性流体压力源切换到主缸。 此时，基于前轮缸压力值来控制线性流体压力源。
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公开(公告)号：US5992949A
公开(公告)日：1999-11-30
申请号：US886378
申请日：1997-07-01
申请人： Kiyoharu Nakamura , Fumiaki Kawahata , Masayasu Ohkubo , Hirohiko Morikawa , Akira Sakai , Akihiro Ohtomo
发明人： Kiyoharu Nakamura , Fumiaki Kawahata , Masayasu Ohkubo , Hirohiko Morikawa , Akira Sakai , Akihiro Ohtomo
CPC分类号： B60T8/4081 , B60T13/686 , B60T17/18 , B60T8/326 , B60T8/3655 , B60T8/94
摘要： A hydraulic brake control apparatus in which a master cylinder supplies a brake fluid pressure responsive to a brake operating force to wheel cylinders through a first valve, includes a first control unit which controls second valves and third valves when a brake fluid pressure supplied to the wheel cylinders by a pressure supplying device is detected to be excessively high under a condition in which the supply of the brake fluid pressure to the wheel cylinders by the master cylinder is inhibited by the first valve, so that the supply of the brake fluid pressure to the wheel cylinders by the pressure supplying device is inhibited by the second valves and a flow of the brake fluid from the wheel cylinders into a reservoir tank is allowed by the third valves. A second control unit controls the third valves and the first valve at a predetermined time after the flow of the brake fluid from the wheel cylinders into the reservoir tank is allowed, so that the flow of the brake fluid from the wheel cylinders into the reservoir tank is inhibited by the third valves and the supply of the brake fluid pressure to the wheel cylinders by the master cylinder is allowed by the first valve.
摘要翻译： 一种液压制动控制装置，其中主缸通过第一阀将响应于制动器操作力的制动液压力提供给轮缸，包括当提供给车轮的制动液压力时控制第二阀和第三阀的第一控制单元 在通过第一阀阻止通过主缸供给轮缸的制动液压力的供给的条件下，通过压力供给装置的气缸被检测为过高，从而向 通过第二阀抑制由压力供给装置的轮缸，并且通过第三阀允许制动流体从轮缸流入储存罐的流动。 第二控制单元在允许制动流体从轮缸进入储罐之后的预定时间控制第三阀和第一阀，使得制动流体从轮缸流入储罐 被第三阀抑制，并且主缸允许通过主缸向轮缸供应制动流体压力。
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公开(公告)号：US5865453A
公开(公告)日：1999-02-02
申请号：US867722
申请日：1997-06-03
IPC分类号： B60G17/04 , B60G17/015 , B60G17/056 , F15B11/04 , F15B13/01 , F15B20/00 , B60G17/08
CPC分类号： B60G17/056 , B60G17/0152 , F15B13/01 , F15B20/00
摘要： When oil is discharged from an actuator 11i for lowering a vehicle height, an actuator pressure Pa is higher than a pump pressure Pp so that a differential pressure valve 41 slides its valving element 42 to the left by a pressure difference. A valving element seal portion 42b, abutted against a seat face 43a closing an opening of a lower return conduit 40b, moves from seat face 43a and open to lower return conduit 40b. As a result, the closure of the connected portion in the lower return conduit 40b is opened. Thus, the passage of a return conduit 40 is opened. Then, the oil from the actuator 11i is discharged via the return conduit 40 to the reserve tank 16 while receiving less flow resistance by avoiding a passage through any solenoid valve.
摘要翻译： 当油从用于降低车辆高度的致动器11i排出时，致动器压力Pa高于泵压力Pp，使得差压阀41将其阀元件42向左滑动压力差。 与封闭下返回导管40b的开口的座面43a抵接的阀元件密封部42b从座面43a移动并向下返回导管40b开口。 结果，打开下回路导管40b中连接部分的闭合。 因此，打开回流导管40的通道。 然后，通过避开通过任何电磁阀的通道，来自致动器11i的油通过返回导管40排出到储存罐16，同时接收较少的流动阻力。
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公开(公告)号：US5979997A
公开(公告)日：1999-11-09
申请号：US883912
申请日：1997-06-27
申请人： Masayasu Ohkubo , Fumiaki Kawahata , Amane Shimura , Hirohiko Morikawa , Akira Sakai , Akihiro Ohtomo
发明人： Masayasu Ohkubo , Fumiaki Kawahata , Amane Shimura , Hirohiko Morikawa , Akira Sakai , Akihiro Ohtomo
CPC分类号： B60T8/4081 , B60T13/686 , B60T17/18 , B60T8/3255 , B60T8/3655 , B60T8/94
摘要： A hydraulic brake control apparatus includes a pressure supply inhibiting unit which inhibits supply of a brake fluid pressure to wheel cylinders by a first pressure supplying unit when a defect in a brake fluid path between a first flow control unit and the wheel cylinders has occurred, and inhibits supply of a brake fluid pressure to the wheel cylinders by a second pressure supplying unit when a defect in a brake fluid path between a second flow control unit and the wheel cylinders has occurred. A pressure supply path control unit controls the first and second flow control units when a defect in one of a first brake fluid path between the first pressure supplying unit and the first flow control unit and a second brake fluid path between the second pressure supplying unit and the second flow control unit has occurred, such that a flow of the brake fluid from one of the first and second pressure supplying units connected to the defective path, into the wheel cylinders is inhibited, and a flow of the brake fluid from the other of the first and second pressure supplying units connected to the other path, into the wheel cylinders is allowed to supply the brake fluid pressure from the other pressure supplying unit to the wheel cylinders through the other path.
摘要翻译： 液压制动控制装置包括压力供给抑制单元，当第一流量控制单元和轮缸之间的制动流体路径的缺陷发生时，第一压力供给单元抑制向轮缸供给制动流体压力， 当发生第二流量控制单元和轮缸之间的制动流体路径的缺陷时，通过第二压力供应单元阻止向轮缸供应制动流体压力。 压力供给路径控制部，在第一供给单元和第一流量控制单元之间的第一制动流体路径中的一个的缺陷与第二压力供给单元与第二压力供给单元之间的第二制动液路径之间的缺陷的情况下，控制第一和第二流量控制单元 已经发生了第二流量控制单元，使得制动流体从连接到缺陷路径的第一和第二压力供应单元中的一个流入轮缸的流量被抑制，并且制动流体从另一个流动 连接到另一路径的第一和第二压力供给单元进入轮缸允许通过另一路径将来自另一个压力供应单元的制动流体压力提供给轮缸。
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7.发明授权Braking pressure control apparatus having device for diagnosing manually operated hydraulic system 有权具有用于诊断手动液压系统的装置的制动压力控制装置公开(公告)号：US06425644B2
公开(公告)日：2002-07-30
申请号：US09725321
申请日：2000-11-29
IPC分类号： B60T888
CPC分类号： B60T8/4081 , B60T8/367 , B60T8/441 , B60T8/94 , B60T17/22
摘要： A braking pressure control apparatus for a hydraulically operated brake, including a first hydraulic system having a first hydraulic pressure source power-operated to pressurize a working fluid and capable of controlling the fluid pressure, for operating the brake, a second hydraulic system having a second hydraulic pressure source operable by an operating force acting on a manually operable brake operating member, to pressurize the working fluid to a pressure higher than a level corresponding to the operating force, for operating the brake, a switching device operable to selectively establish a first state in which the brake is operated with the pressurized fluid delivered from the first hydraulic pressure source, and a second state in which the brake is operated with the pressurized fluid delivered from the second hydraulic pressure source, and a diagnosing device operable to diagnose the second hydraulic system on the basis of the fluid pressure in the second hydraulic system.
摘要翻译： 一种用于液压操纵制动器的制动压力控制装置，包括第一液压系统，该第一液压系统具有动力操作以对工作流体加压并能够控制流体压力的第一液压源，用于操作制动器;第二液压系统，具有第二液压系统 液压源，其由作用在手动操作的制动操作构件上的作用力操作，将工作流体加压到高于对应于操作力的水平的压力，用于操作制动器;可操作地选择性地建立第一状态的开关装置 其中使用从第一液压源输送的加压流体进行制动，以及第二状态，其中制动器与从第二液压源输送的加压流体一起操作，以及诊断装置，其可操作以诊断第二液压 系统基于第二液压系统中的流体压力。
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公开(公告)号：US6123397A
公开(公告)日：2000-09-26
申请号：US936289
申请日：1997-09-24
CPC分类号： B60T8/4072 , B60T13/662 , B60T13/686 , B60T17/22 , B60T8/885 , B60T8/90 , B60T2270/403 , B60T2270/406
摘要： In a brake fluid control device, front wheel cylinders are connected to a front hydraulic circuit, and rear wheel cylinders are connected to a rear hydraulic circuit. The front hydraulic circuit and the rear hydraulic circuit are connected to a front left pressure-decrease valve, a front right pressure-decrease valve, a rear left pressure-decrease valve, a rear right pressure-decrease valve and a connecting pipe. When a brake pedal is depressed, the front left pressure-decrease valve, the front right pressure-decrease valve, the rear left pressure-decrease valve and the rear right pressure-decrease valve are opened and a master cylinder pressure sensor leads to both the front hydraulic circuit and the rear hydraulic circuit. Comparing a detection value of the of the master cylinder pressure sensor, a detection value of a front wheel cylinder pressure sensor and a detection value of a rear wheel cylinder pressure sensor respectively, detects the state of operation of each of the sensors provided in the system.
摘要翻译： 在制动液控制装置中，前轮缸与前液压回路连接，后轮缸与后液压回路连接。 前液压回路和后液压回路连接到前左减压阀，右前减压阀，后左减压阀，后右减压阀和连接管。 当制动踏板被压下时，前左减压阀，前右减压阀，后左减压阀和右后减压阀打开，主缸压力传感器导向 前液压回路和后液压回路。 比较主缸压力传感器的检测值，前轮缸压力传感器的检测值和后轮缸压力传感器的检测值分别检测设置在系统中的每个传感器的操作状态 。
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公开(公告)号：US5951120A
公开(公告)日：1999-09-14
申请号：US897931
申请日：1997-07-21
申请人： Amane Shimura , Hirohiko Morikawa , Fumiaki Kawahata , Kiyoharu Nakamura , Akira Sakai , Akihiro Ohtomo
发明人： Amane Shimura , Hirohiko Morikawa , Fumiaki Kawahata , Kiyoharu Nakamura , Akira Sakai , Akihiro Ohtomo
IPC分类号： B60T8/88 , B60T8/1766 , B60T8/32 , B60T8/36 , B60T8/40 , B60T8/42 , B60T8/94 , B60T13/66 , B60T17/18
CPC分类号： B60T8/4081 , B60T8/326 , B60T8/3655 , B60T8/4291 , B60T8/94 , Y10S303/901
摘要： A hydraulic brake control apparatus in which a master cylinder is connected to wheel cylinders via a master cylinder cut valve, and the wheel cylinders are connected to a reservoir tank via a switching valve, includes a check valve provided between the master cylinder and the wheel cylinders in parallel with the master cylinder cut valve, the check valve provided in a bypass passage of the master cylinder cut valve, the check valve allowing a flow of a brake fluid from the master cylinder to the wheel cylinders and inhibiting a flow of the brake fluid from the wheel cylinders to the master cylinder. A valve control unit controls the switching valve when it is detected that a closed-position defect in the master cylinder cut valve has occurred and a pressure of the brake fluid in the master cylinder is decreasing, so that the switching valve is set at an open position to allow a flow of the brake fluid from the wheel cylinders to the reservoir tank through the switching valve and reduce a pressure of the brake fluid in the wheel cylinders.
摘要翻译： 一种液压制动控制装置，其中主缸通过主缸切断阀连接到轮缸，并且轮缸经由切换阀连接到储罐，包括设置在主缸和轮缸之间的止回阀 与主缸切断阀并联，止回阀设置在主缸切断阀的旁通通道中，止回阀允许制动流体从主缸流到轮缸并阻止制动液流动 从轮缸到主缸。 当检测到主缸切断阀中的闭合位置缺陷已经发生并且主缸中的制动流体的压力正在减小时，阀控制单元控制切换阀，使得切换阀设定为打开 允许制动流体通过切换阀从轮缸流到储存罐的位置，并且减小轮缸中的制动流体的压力。
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