公开(公告)号：US06568768B1

公开(公告)日：2003-05-27

申请号：US09219766

申请日：1998-12-23

申请人： Hiroyuki Oka ,  Michio Kobayashi ,  Masahiro Shimada ,  Hidefumi Inoue ,  Yoshiyasu Takasaki ,  Masahiro Ikeda ,  Makoto Watanabe ,  Mamoru Sawada ,  Yuzo Imoto

发明人： Hiroyuki Oka ,  Michio Kobayashi ,  Masahiro Shimada ,  Hidefumi Inoue ,  Yoshiyasu Takasaki ,  Masahiro Ikeda ,  Makoto Watanabe ,  Mamoru Sawada ,  Yuzo Imoto

IPC分类号： B60T834

CPC分类号： B60T8/442 ,  B60T7/042 ,  B60T8/18 ,  B60T8/28 ,  B60T8/3275 ,  B60T8/441 ,  B60T8/94 ,  B60T13/52 ,  B60T13/72 ,  B60T17/221

摘要： A brake system 1 of the present invention comprises a brake operating means 2 such as a brake pedal for carrying braking operation, a fluid variable stroke means 3 which variably controls the stroke of the brake operating means 2 by using fluid, and a braking force output means 4 which is actuated by the operation of the brake operating means 2 to produce braking forces. By manipulating the brake operating means 2, the braking force output means 4 performs the braking operation. The traveling rang of the brake operating means 2 i.e. the stroke can be changed variously by the fluid variable stroke means 3 using fluid. Since the stroke of the brake pedal can be changed as mentioned above, a proper pedal stroke can be obtained.

摘要翻译： 本发明的制动系统1包括制动操作装置2，例如用于承载制动操作的制动踏板，通过使用流体可变地控制制动操作装置2的行程的流体可变行程装置3和制动力输出 装置4，其由制动操作装置2的操作致动以产生制动力。 通过操纵制动操作装置2，制动力输出装置4执行制动操作。 制动器操作装置2的行程，即行程可以通过使用流体的流体可变行程装置3而不同地改变。 由于可以如上所述地改变制动踏板的行程，所以可以获得适当的踏板行程。

公开(公告)号：US06244049B1

公开(公告)日：2001-06-12

申请号：US09225484

申请日：1999-01-06

申请人： Hiroyuki Oka ,  Michio Kobayashi ,  Hidefumi Inoue ,  Yoshiyasu Takasaki ,  Isao Kobayashi ,  Masahiro Shimada ,  Mamoru Sawada ,  Yuzo Imoto

发明人： Hiroyuki Oka ,  Michio Kobayashi ,  Hidefumi Inoue ,  Yoshiyasu Takasaki ,  Isao Kobayashi ,  Masahiro Shimada ,  Mamoru Sawada ,  Yuzo Imoto

IPC分类号： B60T1320

CPC分类号： B60T13/565 ,  B60T13/573

摘要： A counter-force mechanism (37), which produces a counter force when a brake booster is operated, is made up of an input-side member (38) slidably disposed within a valve body (3), a second constant-pressure chamber (39) formed on the rear side of the input-side member and into which a pressure is introduced from a constant pressure chamber (A), and a second constant-pressure chamber (39) formed on the front side of the input-side member and into which a pressure is introduced from a variable pressure chamber (B). The counter force from the counter-force mechanism (37) is reduced by an orifice passage (43) as a counter-force reducing means in rapid operation of the brake.

摘要翻译： 在制动助力器工作时产生反作用力的反作用力机构（37）由可滑动地设置在阀体（3）内的输入侧构件（38），第二恒压室 39）形成在输入侧构件的后侧，并且从恒压室（A）引入压力，并且形成在输入侧构件的前侧的第二恒压室（39） 并且从可变压力室（B）引入压力。 来自反力机构（37）的反作用力通过作为制动器快速操作的反力减小装置的节流孔通道（43）减小。

公开(公告)号：US06513416B2

公开(公告)日：2003-02-04

申请号：US09828236

申请日：2001-04-09

申请人： Hiroyuki Oka ,  Michio Kobayashi ,  Hidefumi Inoue ,  Yoshiyasu Takasaki ,  Isao Kobayashi ,  Masahiro Shimada ,  Mamoru Sawada ,  Yuzo Imoto

发明人： Hiroyuki Oka ,  Michio Kobayashi ,  Hidefumi Inoue ,  Yoshiyasu Takasaki ,  Isao Kobayashi ,  Masahiro Shimada ,  Mamoru Sawada ,  Yuzo Imoto

IPC分类号： F15B910

CPC分类号： B60T13/565 ,  B60T13/573

摘要： A hydraulic-pressure counter-force mechanism 37 which produces a counter force when a brake booster is operated is made up of an input-side member 38 slidable disposed within a valve body 3, a second constant-pressure chamber 39 formed on the rear side of the input-side member and into which a pressure is introduced from a constant pressure chamber A, and a second constant-pressure chamber 39 formed on the front side of the input-side member and into which a pressure is introduced from a variable pressure chamber B. The counter force from the hydraulic-pressure counter-force mechanism 37 is reduced by an orifice passage 43 as counter-force reducing means in rapid operation for brake.

摘要翻译： 在制动助力器运转时产生反作用力的液压反力机构37由可滑动地设置在阀体3内的输入侧构件38，形成在后侧的第二恒压室39 的输入侧构件，并且从恒压室A引入压力，并且形成在输入侧构件的前侧上并且从可变压力引入压力的第二恒压室39 来自液压反作用力机构37的反作用力通过作为制动器快速操作的反作用力减小装置的节流孔43减小。

公开(公告)号：US06183049B2

公开(公告)日：2001-02-06

申请号：US09226113

申请日：1999-01-07

申请人： Hiroyuki Oka ,  Hidefumi Inoue ,  Yoshiyasu Takasaki ,  Masahiro Shimada ,  Mamoru Sawada ,  Yuzo Imoto

发明人： Hiroyuki Oka ,  Hidefumi Inoue ,  Yoshiyasu Takasaki ,  Masahiro Shimada ,  Mamoru Sawada ,  Yuzo Imoto

IPC分类号： B60T844

CPC分类号： B60T8/442 ,  B60T8/3275 ,  B60T8/328 ,  B60T8/441 ,  B60T8/4872 ,  B60T13/168 ,  B60T13/686

摘要： In a brake boosting system the present invention, as it is decided that brake assist is necessary, a pump 53 is driven, and a solenoid valve 72 is switched to its communication position, and a solenoid shut-off valve 75 is opened. Then, the pump 53 sucks brake fluid from a reservoir 9 through the solenoid valve 72 and sends out the brake fluid to the pressure intensifying chamber 21 through the solenoid shut-off valve 75. At this point, an output shaft 11 has already advanced and a radial hole 38 is positioned ahead of a seventh cup sealing member 31 so that the pressure intensifying chamber 21 and the reaction chamber 33 are shut off from the reservoir 9 so as to be in the sealed state. Therefore, pump discharge pressure is supplied to the pressure intensifying chamber 21 and the reaction chamber 33 so that the pressure in these chambers is intensified. Since the intensified pressure acts on the primary piston 12, the master cylinder pressure is intensified to a value greater than that of normal braking. As mentioned above, by intensifying the master cylinder pressure when necessary, large braking force can be obtained with a simple structure.

摘要翻译： 在本发明的制动助力系统中，由于需要制动辅助，所以驱动泵53，电磁阀72切换到其连通位置，螺线管截止阀75打开。 然后，泵53通过电磁阀72从储存器9吸入制动流体，并通过螺线管截止阀75将制动流体送出到增压室21.此时，输出轴11已经前进， 径向孔38位于第七杯密封构件31的前方，使得增压室21和反应室33从储存器9切断以便处于密封状态。 因此，将泵排出压力供给到增压室21和反应室33，使得这些室中的压力增强。 由于增压作用在主活塞12上，所以主缸压力增大到比正常制动大的值。 如上所述，通过在必要时增大主缸压力，能够以简单的结构获得大的制动力。

公开(公告)号：US06196641B1

公开(公告)日：2001-03-06

申请号：US09181994

申请日：1998-10-29

申请人： Hiroyuki Oka ,  Michio Kobayashi ,  Masahiro Shimada ,  Satoru Watanabe ,  Junichi Hirayama ,  Mamoru Sawada ,  Yuzo Imoto

发明人： Hiroyuki Oka ,  Michio Kobayashi ,  Masahiro Shimada ,  Satoru Watanabe ,  Junichi Hirayama ,  Mamoru Sawada ,  Yuzo Imoto

IPC分类号： B60T844

CPC分类号： B60T13/144 ,  B60T8/3275 ,  B60T8/441 ,  B60T8/4845 ,  B60T8/4872

摘要： A fluid pressure boosting device of the present invention performs jumping action at a higher servo ratio until fluid pressure in a power chamber (25) reaches a first predetermined value and a rear end (20e) of a reaction piston (20)comes in contact with a step of an input shaft (18). Since a switching valve is set in a first position I until the fluid pressure in the power chamber (25) reaches a second predetermined pressure, a reaction chamber (41) is connected to the reservoir (33) so as to be at atmospheric pressure. In this state, the normal brake control at a lower servo ratio is performed. As the fluid pressure in the power chamber (25) reaches a second predetermined value, the switching valve is set in a second position II by the fluid pressure so that the pressurized fluid in the power chamber is introduced into the reaction chamber (41). The fluid pressure in the reaction chamber 41 acts on the step between the reaction piston (20) and the input shaft (18) so that the servo ratio becomes higher. Then, the servo control at a higher servo ratio is performed. The fluid pressure boosting device can be provided with the reversed two-stage servo characteristic, so with simple structure, output larger than the normal output can be obtained when input exceeds a predetermined value.

摘要翻译： 本发明的流体增压装置以更高的伺服比执行跳动，直到动力室25中的流体压力达到第一预定值，并且反作用活塞（20）的后端（20e）与 输入轴（18）的台阶。 由于在动力室25内的流体压力达到第二预定压力之前将切换阀设定在第一位置I，所以将反应室41与储存器33连接成大气压。 在该状态下，执行较低伺服比的正常制动控制。 当功率室25中的流体压力达到第二预定值时，通过流体压力将切换阀设定在第二位置II，使得动力室中的加压流体被引入到反应室41中。 反应室41中的流体压力作用在反应活塞（20）和输入轴（18）之间的台阶上，使得伺服比变高。 然后，执行伺服控制以较高的伺服比。 流体增压装置可以设置反向两级伺服特性，结构简单，当输入超过预定值时，可以获得大于正常输出的输出。

公开(公告)号：US6119577A

公开(公告)日：2000-09-19

申请号：US187968

申请日：1998-11-06

申请人： Yoshiyasu Takasaki ,  Mamoru Sawada ,  Yuzo Imoto

发明人： Yoshiyasu Takasaki ,  Mamoru Sawada ,  Yuzo Imoto

IPC分类号： B60T13/52 ,  B60T8/32 ,  B60T13/569 ,  B60T13/57 ,  B60T13/72 ,  F15B13/16

CPC分类号： B60T8/3275 ,  B60T13/569 ,  B60T13/57 ,  B60T13/72

摘要： A tandem brake booster includes a solenoid within a valve body, and the solenoid may be energized to move a first tubular member disposed on the valve body rearward. When an input shaft is driven forward in the inoperative condition of the brake booster, a vacuum valve is closed while an atmosphere valve is opened in the similar manner as occurs in the prior art, thus actuating the tandem brake booster 1. When an input or the force of depression applied to a brake pedal rises to a given value X during the operative condition of the brake booster, the solenoid is energized, whereupon the first tubular member is moved rearward relative to the valve body, and the valve element is also moved rearward. This opens the atmosphere valve which has been closed during the servo balance condition, allowing a further introduction of the atmosphere into variable pressure chambers B, D, enabling a rise in the output even though the input remains unchanged. In this manner, the invention provides a functioning which is equivalent to a brake booster which is arranged to provide a variable servo ratio.

摘要翻译： 串联制动助力器包括阀体内的螺线管，并且螺线管可以被通电以使设置在阀体上的第一管状构件向后移动。 当输入轴在制动助力器的不工作状态下向前驱动时，以与现有技术中发生的相似的方式打开大气阀时关闭真空阀，从而致动串联制动助力器1.当输入或 在制动助力器的操作状态期间，施加到制动踏板的踩踏力上升到给定值X，螺线管通电，于是第一管状构件相对于阀体向后移动，并且阀元件也移动 向后 这打开了在伺服平衡状态期间已经关闭的大气阀，从而可以将气氛进一步引入到可变压力室B，D中，使得即使输入保持不变也能够使输出上升。 以这种方式，本发明提供了相当于设置成提供可变伺服比的制动助力器的功能。

公开(公告)号：US6155156A

公开(公告)日：2000-12-05

申请号：US187959

申请日：1998-11-06

申请人： Yoshiyasu Takasaki ,  Mamoru Sawada ,  Yuzo Imoto

发明人： Yoshiyasu Takasaki ,  Mamoru Sawada ,  Yuzo Imoto

IPC分类号： B60T8/48 ,  B60T13/57 ,  B60T13/72 ,  F15B13/16

CPC分类号： B60T8/4854 ,  B60T13/57 ,  B60T13/72

摘要： A brake booster includes a solenoid disposed within a valve body. When the solenoid is energized under the inoperative condition of the brake booster, a piston associated with the solenoid is moved to its operative position to close a vacuum valve while opening an atmosphere valve. This allows the brake booster to be operated as an automatic brake without depressing a brake pedal. The brake booster also comprises output restriction means which may comprise a spring 55 shown in FIG. 1, for example, whereby as the output increases when the brake booster is operated as an automatic brake, the output restriction means operates to cease an increase in the output. With this arrangement, if the solenoid is energized inadvertently independently from the intent of a driver, the occurrence of a quick braking action is avoided, but a gentle braking action is assured, thus improving the safeguard.

摘要翻译： 制动助力器包括设置在阀体内的螺线管。 当螺线管在制动助力器的不工作状态下通电时，与螺线管相关联的活塞被移动到其操作位置，以在打开大气阀时闭合真空阀。 这允许制动助力器作为自动制动而不踩制动踏板。 制动助力器还包括输出限制装置，其可以包括图1所示的弹簧55。 如图1所示，例如，当制动助力器作为自动制动器操作时，当输出增加时，输出限制装置操作以停止输出的增加。 通过这种布置，如果螺线管不经意地从驾驶员的意图被激励，则避免了快速制动动作的发生，但是确保了平缓的制动动作，从而改善了保护措施。

公开(公告)号：US6079799A

公开(公告)日：2000-06-27

申请号：US997472

申请日：1997-12-23

申请人： Mamoru Sawada ,  Kazuya Maki ,  Hiroaki Niino ,  Masaki Tate ,  Yuzo Imoto

发明人： Mamoru Sawada ,  Kazuya Maki ,  Hiroaki Niino ,  Masaki Tate ,  Yuzo Imoto

IPC分类号： B60T8/24 ,  B60T8/38 ,  B60T8/40 ,  B60T8/48

CPC分类号： B60T8/4872 ,  B60T8/38 ,  B60T8/4054

摘要： A brake system has wheel cylinders for producing a braking force in wheels using pressurized brake fluid transmitted through a main conduit from a master cylinder, a reservoir for storing brake fluid, a sideslip preventing device for when a sideslip state of the vehicle is detected supplying brake fluid to the wheel cylinder corresponding to a sideslip controlled wheel and producing a braking force in the sideslip controlled wheel, a first conduit used for supplying brake fluid from the reservoir to the wheel cylinders by the pump and a first valve for switching this first conduit between an open state and a closed state. The sideslip preventing device, when the sideslip state is detected during non-braking of the vehicle, makes the first valve open-state and thereby conducts supply of brake fluid through the first conduit from the reservoir to the wheel cylinder by a pump. When the sideslip state is detected during braking of the vehicle, the sideslip preventing device makes the first valve device closed-state and thereby prohibits supply of brake fluid from the reservoir to the wheel cylinder.

摘要翻译： 制动系统具有轮缸，用于通过从主缸传递通过主管道的加压制动流体，用于储存制动液的储存器产生车轮中的制动力;用于当车辆的侧滑状态被检测到提供制动时的侧滑防止装置 流体到轮缸，其对应于侧滑控制轮并在侧滑控制轮中产生制动力，第一管道，其用于通过泵将储油器中的制动流体供应到轮缸;以及第一阀，用于将第一管道 开放状态和关闭状态。 当在车辆的非制动期间检测到侧滑状态时，防滑装置使第一阀打开状态，从而通过泵将从第一管道的制动流体从储存器供给至轮缸。 当在车辆的制动期间检测到侧滑状态时，防滑装置使第一阀装置处于关闭状态，从而禁止将制动流体从储存器供给到轮缸。

公开(公告)号：US6089140A

公开(公告)日：2000-07-18

申请号：US233582

申请日：1999-01-19

申请人： Isao Kobayashi ,  Mamoru Sawada ,  Yuzo Imoto

发明人： Isao Kobayashi ,  Mamoru Sawada ,  Yuzo Imoto

IPC分类号： B60T13/57 ,  B60T13/573 ,  F15B9/10

CPC分类号： B60T13/57 ,  B60T13/573

摘要： A brake booster which permits an axial relative movement between a power piston and a valve body is disclosed. An arrangement is made which prevents a brake reaction from being transmitted to a brake pedal. As an alternative therefor, pseudo-reaction imparting means transmits a pseudo-reaction to a brake pedal. A rear end of the valve body is covered by a tubular cover and bellows connected thereto, and its internal space is maintained in communication with a constant pressure chamber. The bellows has an effective diameter which is chosen to be of an equal size to the diameters of a vacuum valve seat and an atmosphere valve seat. This allows a pseudo-reaction and a brake pedal stroke to be obtained which depend on the force with which a brake pedal is depressed if a negative pressure within the constant pressure chamber varies, thus imparting a better brake feeling to a driver.

摘要翻译： 公开了一种允许动力活塞和阀体之间的轴向相对运动的制动助力器。 制造防止制动器反作用力传递到制动踏板的装置。 作为替代方案，伪反应赋予装置将伪响应发送到制动踏板。 阀体的后端由与其连接的管状盖和波纹管覆盖，并且其内部空间保持与恒定压力室连通。 波纹管的有效直径被选择为与真空阀座和大气阀座的直径相等的尺寸。 这允许获得如果恒压室内的负压变化而取决于制动踏板被压下的力的伪反应和制动踏板行程，从而赋予驾驶员更好的制动感。

公开(公告)号：US6082241A

公开(公告)日：2000-07-04

申请号：US233581

申请日：1999-01-19

申请人： Isao Kobayashi ,  Mamoru Sawada ,  Yuzo Imoto

发明人： Isao Kobayashi ,  Mamoru Sawada ,  Yuzo Imoto

IPC分类号： B60T13/56 ,  B60T13/68 ,  B60T13/72 ,  F15B9/09 ,  F15B9/10

CPC分类号： B60T13/72

摘要： An automatic brake booster includes a solenoid which drives a plunger, forming part of a valve mechanism, forward to switch a flow path in the valve mechanism, separately from an input shaft. A piston is mounted on the plunger, and the atmospheric pressure is introduced into an atmospheric pressure chamber disposed forwardly of the piston while a pressure which prevails in constant pressure chambers A, C is introduced into a negative pressure chamber disposed rearwardly of the piston, thus urging the piston rearward. Preferably, the piston has a pressure responsive area which is substantially equal to the pressure responsive area of an atmosphere valve seat formed on a plunger. This arrangement allows a variation in the output from the brake booster to be minimized or reduced substantially to zero if there is a variation in the magnitude of a negative pressure which is introduced into the constant pressure chambers A, C.

摘要翻译： 自动制动助力器包括驱动柱塞的螺线管，形成阀机构的一部分，以与输入轴分开地切换阀机构中的流路。 活塞安装在柱塞上，大气压力被引入到设置在活塞前方的大气压力室中，而在恒压室A，C中占优势的压力被引入设置在活塞后面的负压室中，因此 向后推动活塞。 优选地，活塞具有基本上等于形成在柱塞上的大气阀座的压力响应面积的压力响应区域。 如果引入恒压室A，C中的负压的大小有变化，则这种布置允许来自制动助力器的输出的变化被最小化或基本上减小到零。