Automatic braking device for a vehicle
    1.
    发明授权
    Automatic braking device for a vehicle 失效
    汽车自动制动装置

    公开(公告)号:US5226701A

    公开(公告)日:1993-07-13

    申请号:US789216

    申请日:1991-11-07

    摘要: An automatic braking device for a vehicle equipped with at least one fluid circuit connecting a master cylinder (10) to a consumer circuit including at least one brake motor and possessing, furthermore, a pump (30) capable of delivering to the consumer circuit, via a non-return valve (31), fluid under high pressure taken from the master cylinder (10) comprises, in combination, a proportional solenoid valve connected to the consumer circuit and having a regulating outlet (20), during operation in the solenoid valve regulating the pressure of the fluid in the consumer circuit in relation to that of the fluid in the feed circuit of the pump, and a regulating slide (16) arranged between the master cylinder and the feed circuit of the pump in order to regulate the pressure of the fluid in the latter circuit and determine a reference pressure for the solenoid valve.

    摘要翻译: 一种用于车辆的自动制动装置,其配备有至少一个流体回路,该至少一个流体回路将主缸(10)连接到包括至少一个制动马达的消费电路,并且还具有能够输送到消费电路的泵(30),经由 止回阀(31),从主缸(10)取出的高压流体包括组合地连接到消耗电路并具有调节出口(20)的比例电磁阀,在电磁阀操作期间 调节消耗电路中的流体的压力相对于泵的进料回路中的流体的压力;以及调节滑块(16),其布置在主缸和泵的进料回路之间,以调节压力 并确定电磁阀的参考压力。

    Penetration master cylinder with reduced backlash and application thereof
    2.
    发明申请
    Penetration master cylinder with reduced backlash and application thereof 有权
    穿透主缸,减少齿隙及其应用

    公开(公告)号:US20050172626A1

    公开(公告)日:2005-08-11

    申请号:US10484327

    申请日:2002-07-11

    IPC分类号: B60T11/16 B60T11/232 F15B7/00

    CPC分类号: B60T11/232

    摘要: This invention relates to a master cylinder of the so-called “penetration” type, in which a cup (3), which is fitted inside a groove (11) of the master cylinder, bears on the wall (20) of a piston (2) in a sealing manner, and in which such wall (20) is provided with main resupply ports (51). According to the invention, the wall (20) of the piston (2) also comprises secondary resupply ports (52) having a smaller size than that of the main resupply ports (51) and disposed farther from the bottom part (33) of the cup (3), and achieving an outstanding static resupply of the master cylinder with brake fluid, with a reduced dynamic dead stroke.

    摘要翻译: 本发明涉及一种所谓“穿透”型的主缸,其中装配在主缸的槽(11)内的杯(3)承载在活塞的壁(20)上 2),并且其中这种壁(20)设置有主补给口(51)。 根据本发明,活塞(2)的壁(20)还包括具有比主补给口(51)更小的尺寸的二次补给口(52),并且从第二补给口52的底部(33) 杯(3),并且用制动液实现了主缸的静态补给,动态死区行程减小。

    Brake control device with a check valve for a motor vehicle
    3.
    发明申请
    Brake control device with a check valve for a motor vehicle 审中-公开
    具有汽车止回阀的制动控制装置

    公开(公告)号:US20050006190A1

    公开(公告)日:2005-01-13

    申请号:US10486433

    申请日:2002-08-02

    CPC分类号: B60T11/20 B60T11/224

    摘要: The invention relates to a brake control device comprising: a liquid reservoir (4), a master cylinder (2), and a valve (14) able to allow the liquid of the cylinder in the reservoir to rise by offering a first minimum flow cross section (31). The valve is able to allow the rise by offering a second minimum flow cross section (33) which is larger than the first cross section when a pressure in the cylinder exceeds a given threshold.

    摘要翻译: 本发明涉及一种制动控制装置,包括:液体储存器(4),主缸(2)和阀(14),其能够通过提供第一最小流量交叉来允许储存器中的气缸的液体升高 (31)。 当气缸中的压力超过给定的阈值时,该阀能够通过提供大于第一横截面的第二最小流动横截面(33)来允许上升。

    Reciprocating hydraulic pump
    4.
    发明授权
    Reciprocating hydraulic pump 失效
    重油液压泵

    公开(公告)号:US5167495A

    公开(公告)日:1992-12-01

    申请号:US726670

    申请日:1991-07-08

    申请人: Pierre Lebret

    发明人: Pierre Lebret

    摘要: A hydraulic pump comprises at least one reciprocating piston (2) sliding in a stationary cylinder (4), a non-return suction valve (12) arranged between a source of fluid under low pressure and a working chamber (10) defined in the cylinder (4), and a first non-return delivery valve (16) arranged between the working chamber (10) and an outlet chamber (14) for the fluid under high pressure. A conduit (24) connects the outlet chamber (14) and the working chamber (10), the piston (2) leaving this conduit (24) open at the end of the suction period and at the start of the delivery period and closing it during the rest of the cycle.

    摘要翻译: 液压泵包括在静止气缸(4)中滑动的至少一个往复运动活塞(2),布置在低压流体源之间的止回吸入阀(12)和限定在气缸中的工作室(10) (4)和布置在工作室(10)和用于高压下的流体的出口室(14)之间的第一止回输送阀(16)。 导管(24)连接出口室(14)和工作室(10),离开该管道(24)的活塞(2)在吸入期结束时和运送期间开始并关闭 在周期的其余时间。

    Integrated pressure amplification and modulation system for a hydraulic
circuit
    5.
    发明授权
    Integrated pressure amplification and modulation system for a hydraulic circuit 失效
    用于液压回路的集成压力放大和调制系统

    公开(公告)号:US5186003A

    公开(公告)日:1993-02-16

    申请号:US842677

    申请日:1992-02-27

    申请人: Pierre Lebret

    发明人: Pierre Lebret

    摘要: The invention relates to an integrated pressure amplification and modulation system for a hydraulic brake circuit, comprising at least one master cylinder (10), a hydraulic motor, a source of fluid under high pressure (48) and a reservoir of fluid under low pressure (14), a computer-controlled solenoid (32) modulating by way of a magnetic core (30) the position of a slide (22) which slides in a bore (20). According to the invention, the fluid under pressure coming from the master cylinder (10) is applied to one face (24) of the slide (22), the other face of which bears on the magnetic core (30l ) and receives the force exerted by a spring (34) for return to rest. A reaction chamber (40) formed in the slide (22) is connected permanently to the hydraulic motor (38), and the hydraulic motor (38) is connected either to the reservoir (14) or to the source of fluid under pressure (48), depending on the position of the slide (22).

    摘要翻译: 本发明涉及一种用于液压制动回路的集成压力放大和调制系统,包括至少一个主缸(10),液压马达,高压流体源(48)和低压流体储存器 14),通过磁芯(30)调节在孔(20)中滑动的滑块(22)的位置的计算机控制螺线管(32)。 根据本发明,来自主缸(10)的压力下的流体被施加到滑动件(22)的一个面(24)上,其另一个面承载在磁芯(30l)上并且承受施加的力 由春天(34)返回休息。 形成在滑动件(22)中的反应室(40)永久地连接到液压马达(38)上,并且液压马达(38)连接到储存器(14)或压力源(48) ),取决于滑块(22)的位置。

    Hydraulic pump
    6.
    发明授权
    Hydraulic pump 失效
    液压泵

    公开(公告)号:US5176428A

    公开(公告)日:1993-01-05

    申请号:US774901

    申请日:1991-10-11

    申请人: Pierre Lebret

    发明人: Pierre Lebret

    摘要: A hydraulic pump comprises at least one alternating-cycle piston (20) having a suction phase and a delivery phase, and sliding in a fixed cylinder (22). The pump possesses in addition a nonreturn suction valve (32) placed between a source of fluid under low pressure (28) and a working chamber (30) defined in the cylinder, and a nonreturn delivery valve (34) placed between the working chamber (30) and an output chamber (16) for the fluid under high pressure, connected to an application circuit 10, 12). The output chamber (16) possesses a wall (40) which is movable as a function of the pressure which prevails in the output chamber (16), the movable wall (40) being capable of controlling the locking of the delivery valve (34) in an open position substantially during the greater part of the suction phase when the pressure in the output chamber (16) is greater than a given pressure, in such a way that the suction valve (32) stays closed in a corresponding manner.

    摘要翻译: 液压泵包括具有吸入相和输送阶段的至少一个交替循环活塞(20),并且在固定气缸(22)中滑动。 泵还具有放置在低压(28)的流体源和限定在气缸中的工作室(30)之间的非回流吸入阀(32)和放置在工作室( 30)和用于高压下的流体的输出室(16),连接到施加电路10,12)。 输出室(16)具有壁(40),该壁可随着在输出室(16)中占优势的压力而移动,可移动壁(40)能够控制输送阀(34)的锁定, 当输出室(16)中的压力大于给定压力时,基本上在抽吸阶段的大部分期间处于打开位置,使得吸入阀(32)以相应的方式保持关闭。

    Hydraulic master cylinder with concealed dead travel
    7.
    发明授权
    Hydraulic master cylinder with concealed dead travel 有权
    液压主缸带隐蔽死区行程

    公开(公告)号:US06775980B2

    公开(公告)日:2004-08-17

    申请号:US10373466

    申请日:2003-02-24

    申请人: Pierre Lebret

    发明人: Pierre Lebret

    IPC分类号: B60T1120

    CPC分类号: B60T11/232

    摘要: Hydraulic master cylinder for a motor vehicle braking circuit, comprising means for concealing the dead travel of the primary (16) and secondary (44) pistons, these concealing means consisting of additional valve shutters (80) borne by the valve shutters (26, 56) that shut off the axial passages (22, 58) formed in the primary (16) and secondary (44) pistons, these additional valve shutters allowing the pressure in the primary (18) and secondary (52) chambers to increase right from the start of movement of said pistons over their dead travels.

    摘要翻译: 用于机动车辆制动回路的液压主缸,包括用于隐藏主(16)和次级(44)活塞的死区行程的装置,这些隐藏装置由附加的阀门(80)组成,该阀门百叶窗由阀瓣(26,56 ),其切断形成在主(16)和次级(44)活塞中的轴向通道(22,58),这些额外的阀门允许主(18)和次(52)室中的压力从 所述活塞在其死亡行程上的运动开始。

    Hydraulic circuit with a capacity forming a distributor
    8.
    发明授权
    Hydraulic circuit with a capacity forming a distributor 失效
    具有容量形成分配器的液压回路

    公开(公告)号:US5487597A

    公开(公告)日:1996-01-30

    申请号:US244168

    申请日:1994-05-20

    申请人: Pierre Lebret

    发明人: Pierre Lebret

    IPC分类号: B60T8/48 B60T13/18

    CPC分类号: B60T8/4872

    摘要: A hydraulic brake circuit is intended for a motor vehicle provided at least with an electrically pilot-controlled braking function, and including at least a master cylinder (1), an electric pump (2), first and second brake motors (3, 4), first and second respective solenoid valves (5, 6), and a low-pressure capacity (7). In addition to a conventional accumulation chamber (8), the capacity (7) comprises an access chamber (13) which interacts with the accumulation chamber (8) to form a simplified distributor which offers additional switching options which can be used for a new braking function.

    摘要翻译: PCT No.PCT / FR94 / 00466 Sec。 371日期1994年5月20日 102(e)日期1994年5月20日PCT 1994年4月23日PCT公布。 第WO94 / 27849号公报 日期1994年12月8日。液压制动电路用于至少具有电先导控制制动功能的机动车辆,并且至少包括主缸(1),电动泵(2),第一和第二 制动马达(3,4),第一和第二相应的电磁阀(5,6)和低压容量(7)。 除了传统的积聚室(8)之外,容量(7)包括与蓄积室(8)相互作用的存取室(13),以形成简化的分配器,其提供可用于新制动的附加开关选项 功能。

    Master cylinder comprising a valve with reduced pedal free travel
    9.
    发明授权
    Master cylinder comprising a valve with reduced pedal free travel 失效
    主缸包括具有减小的踏板自由行程的阀

    公开(公告)号:US06978614B2

    公开(公告)日:2005-12-27

    申请号:US10488735

    申请日:2002-09-06

    CPC分类号: B60T11/232 B60T11/236

    摘要: This invention relates to a master cylinder (10), inside a bore (14) of which two axial primary and secondary pistons (16, 18), are slidingly fitted, and in which at least one sealing means (48, 50) is disposed in contact with each piston, defining a supply chamber (56, 60) and a pressure chamber (58, 62). Each piston (16, 18) comprises a bore (78, 80), open in the direction of the front pressure chamber (58, 62), and the piston (18) comprises a valve-forming through-hole (88), opening into its periphery and into its bore (80), in order to isolate the front pressure chamber when it passes beyond the sealing means so as to produce a braking pressure, characterised in that the front pressure chamber (62) associated with at least one piston (18) comprises at least one tubular cylindrical element (90) extending axially outside the piston (18) and rearwards of the sealing means (50) for the obturation of the through-hole (88) according to a reduced stroke (Cm2).

    摘要翻译: 本发明涉及一种主缸(10),其在其内滑动地安装有两个轴向主活塞和次活塞(16,18)的孔(14)内,并且其中设置有至少一个密封装置(48,50) 与每个活塞接触,限定供应室(56,60)和压力室(58,62)。 每个活塞(16,18)包括在前压力室(58,62)的方向上开口的孔(78,80),活塞(18)包括一个阀形成通孔(88) 进入其周边并进入其孔(80)中,以便当前压力室超过密封装置时隔离前压力室,以产生制动压力,其特征在于,与至少一个活塞 (18)包括至少一个沿活塞(18)轴向延伸并且靠近密封装置(50)的管状圆柱形元件(90),用于根据减小的冲程(C m2 )。

    Control circuit for a double-acting hydraulic jack and slide distributor
for such a circuit
    10.
    发明授权
    Control circuit for a double-acting hydraulic jack and slide distributor for such a circuit 失效
    用于这种电路的双作用液压千斤顶和滑动分配器的控制电路

    公开(公告)号:US5214997A

    公开(公告)日:1993-06-01

    申请号:US679473

    申请日:1991-04-02

    申请人: Pierre Lebret

    发明人: Pierre Lebret

    IPC分类号: F15B13/01

    CPC分类号: F15B13/01

    摘要: The control circuit of a double-acting hydraulic jack (10), consisting of a piston (12) connected to an output rod (18) and separating a cylinder into two chambers (14, 16), comprises a source of fluid under pressure (20, 26), a distribution system (28, 28', 52, 52') alternately putting one of the chambers, or control chamber, in communication with the source of fluid under pressure (20, 26) and the other chamber, or controlled chamber, in communication with a reservoir of fluid under low pressure (25), in order to control the movement of the piston (12) of the jack (10). The jack comprises an auxiliary circuit (50, 120, 122) for preventing communication between the controlled chamber and the reservoir (25), interrupting communication between the control chamber and the source of fluid under pressure (20, 26) and allowing communication between the controlled and control chambers when the pressure of the fluid in the controlled chamber exceeds a predetermined value.

    摘要翻译: 双作用液压千斤顶(10)的控制回路包括连接到输出杆(18)的活塞(12),并将气缸分成两个腔室(14,16) 交替地将其中一个室或控制室与压力源(20,26)和另一个室内的流体源连通的分配系统(28,28',52,52'),或 控制室,与低压(25)的流体储存器连通,以便控制千斤顶(10)的活塞(12)的运动。 插座包括用于防止受控腔室和储存器(25)之间的连通的辅助电路(50,120,122),中断控制腔室与压力源(20,26)之间的连通,并允许 控制室内的流体的压力超过预定值时,控制室和控制室。