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    • 1. 发明授权
    • Solenoid valve in a hydraulic brake system for motor vehicles
    • 用于汽车液压制动系统的电磁阀
    • US5639061A
    • 1997-06-17
    • US568446
    • 1995-12-07
    • Michael KrauterAlexander Bareiss
    • Michael KrauterAlexander Bareiss
    • B60T8/24B60T8/36B60T8/48B60T15/02B60T15/36F16K31/06
    • B60T15/028B60T8/363B60T8/4872
    • A solenoid valve which guarantees the reliable opening of the valve, even when there are great pressure differences. The solenoid valve has an armature which receives a tappet, that can be longitudinally moved in the solenoid valve. A restoring spring, which transports the armature with the tappet into a closed position of the solenoid valve, engages one side of a collar of the tappet and a compression spring, which acts in the opposite direction from this restoring spring and is supported on the armature. The compression spring has a greater initial stress than the restoring spring. Pressure drops can produce a hydraulic closing force on the tappet, which force is directed counter to the magnetic force action. When the solenoid valve is switched over into the open position, the armature therefore executes a partial stroke (h) counter to the action of the compression spring before the armature carries the tappet along with it by means of engaging the collar, as a result of the magnetic force, which increases with the increasing armature stroke (H). The solenoid valve can be employed in a suction line between a master cylinder and a regenerative high pressure pump of a hydraulic brake system for motor vehicles.
    • 一个电磁阀,即使有很大的压差也能确保阀的可靠打开。 电磁阀具有接收可以在电磁阀中纵向移动的挺杆的电枢。 将具有推杆的电枢输送到电磁阀的关闭位置的复位弹簧接合挺杆的轴环的一侧和压缩弹簧,压缩弹簧沿与该复位弹簧相反的方向作用并被支撑在电枢上 。 压缩弹簧具有比恢复弹簧更大的初始应力。 压降可以在挺杆上产生液压闭合力,该力与磁力作用相反。 当电磁阀切换到打开位置时,电枢因此在电枢通过接合套环之前通过接合套环来承载挺杆之前执行与压缩弹簧的作用相反的部分行程(h),结果是 磁力随电枢行程(H)增加而增加。 电磁阀可用于机动车液压制动系统的主缸和再生式高压泵之间的吸入管路。
    • 3. 发明授权
    • Hydraulic unit for a vehicle brake system
    • 用于车辆制动系统的液压单元
    • US6142751A
    • 2000-11-07
    • US92178
    • 1998-06-05
    • Michael KrauterNikolaus ProebstingMarc FingerJames J. Lundy, Jr.Ron Angle
    • Michael KrauterNikolaus ProebstingMarc FingerJames J. Lundy, Jr.Ron Angle
    • B60T17/02B60T8/36F04B35/02
    • B60T8/368
    • A hydraulic unit for a vehicle brake system that enables limiting wheel brake slip is known. To that end, the hydraulic unit has at least one piston pump, which is drivable by an electric motor and empties a reservoir that is filled on the occasion of the limitation of wheel brake slip. This reservoir comprises a cylinder, embodied in the manner of a blind bore, as well as a piston that divides a storage chamber from a spring chamber in the cylinder, a spring, and a closure element that prevents water from entering the cylinder if the hydraulic unit should become immersed in water. A pressure equalization conduit begins at the spring chamber and leads into the interior of the motor, so that a displacement of the piston for taking up pressure fluid in the storage chamber is effected essentially only by friction of the piston and forces of the spring. A conduit is also provided, by means of which pressure fluid that emerges from the piston pump at the eccentric can be carried away. The invention proposes connecting the spring chamber of the reservoir to the conduit that carries the pressure fluid away. The spring chamber forms a collection container for pressure fluid, as a result of which the collection of the pressure fluid takes place far away from electrical components of the hydraulic unit, and especially of the motor, thus avoiding electrical defects.
    • 已知用于车辆制动系统的液压单元,其能够限制车轮制动器滑动。 为此,液压单元具有至少一个活塞泵,该活塞泵可由电动机驱动,并且在限制车轮制动器滑移时填充储存器。 该储存器包括以盲孔的方式实施的气缸,以及将存储室与气缸中的弹簧室分开的活塞,弹簧和封闭元件,其防止水流入气缸,如果液压 单位应浸入水中。 压力平衡管道在弹簧室处开始并且进入电动机的内部,使得用于吸收存储室中的压力流体的活塞的位移基本上仅通过活塞的摩擦力和弹簧的力来实现。 还提供了一种导管,通过该导管可以将偏心柱上从活塞泵排出的压力流体带走。 本发明提出将储存器的弹簧室连接到承载压力流体的导管。 弹簧室形成用于压力流体的收集容器,由此压力流体的收集远离液压单元,特别是电动机的电气部件,从而避免电气缺陷。