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    • 2. 发明授权
    • Spring-actuated parking brake for a vehicle having a power-operated braking system
    • 具有动力制动系统的车辆的弹簧制动驻车制动器
    • US07455369B2
    • 2008-11-25
    • US10844041
    • 2004-05-12
    • Heiko ClaussenJürgen EickhoffHelmut KortschakowskiKlaus Pape
    • Heiko ClaussenJürgen EickhoffHelmut KortschakowskiKlaus Pape
    • B60T13/74B60T7/00
    • B60T13/743B60T13/22
    • A spring-actuated parking brake includes a spring brake actuator communicating with a fluid source via a supply line. In brake released condition, the actuator is pressurized via a supply valve; in engaged condition, the actuator communicates with a pressure sink via the supply valve and a pressure-relief line. During brake engagement, the supply valve and a shutoff valve between the supply valve and actuator are switched to flow-enabled position for pressure relief of the actuator placing it in communication with the pressure sink. For brake release, the supply valve is switched to the fluid source and the shutoff valve is switched to fluid-passing position communicating with the fluid source to pressurize the brake cylinder. After brake engagement, the shutoff valve is switched to shut-off position decoupling the actuator from the supply line; the supply valve is switched to flow-enabled position placing the supply line in communication with the pressure sink.
    • 弹簧致动的驻车制动器包括通过供应管线与流体源连通的弹簧制动器致动器。 在制动器释放状态下,致动器通过供给阀加压; 在接合状态下,致动器通过供给阀和减压管与压力传感器连通。 在制动接合期间,供给阀和供给阀和致动器之间的截止阀被切换到流动启用位置,用于致动器的压力释放,使其与压力槽连通。 对于制动器释放,供给阀被切换到流体源,并且截止阀被切换到与流体源连通的流体通过位置以对制动缸加压。 在制动器接合之后,截止阀被切换到关闭位置,使执行器与供给管线分离; 供应阀切换到流动使能位置,使供应管线与压力池连通。
    • 4. 发明授权
    • Method and apparatus for detecting a circuit failure in a vehicle brake system
    • 用于检测车辆制动系统中的电路故障的方法和装置
    • US08087732B2
    • 2012-01-03
    • US12454601
    • 2009-05-19
    • Thorsten AverbeckJürgen EickhoffHelmut Kortschakowski
    • Thorsten AverbeckJürgen EickhoffHelmut Kortschakowski
    • B60T8/88
    • B60T17/18B60T8/32B60T8/4072B60T8/885B60T17/221B60T2270/403
    • In a vehicle brake system including first and second brake circuits, a dual-circuit brake actuator, first and second control lines, the first brake circuit including a first brake pressure regulating valve and a first pressure sensor, the second brake circuit including a second brake pressure regulating valve and a second pressure sensor, the brake actuator connected to the first valve via the first control line to control that valve, and, via the second control line, to the second valve to control that valve, a control unit is communicatively connected to the pressure sensors and brake actuator and is adapted to effect a method for detecting a brake system circuit failure including determining a first pressure difference in the first brake circuit and a second pressure difference in the second brake circuit during actuation of the brake actuator, and determining a first comparison value from the first and second pressure differences.
    • 在包括第一和第二制动回路的车辆制动系统中,双回路制动致动器,第一和第二控制线,所述第一制动回路包括第一制动压力调节阀和第一压力传感器,所述第二制动回路包括第二制动器 压力调节阀和第二压力传感器,所述制动器致动器经由所述第一控制线连接到所述第一阀,以控制所述阀,并且经由所述第二控制线连接到所述第二阀以控制所述阀,控制单元以通信方式连接 适于实现用于检测制动系统电路故障的方法,包括在制动致动器的致动期间确定第一制动回路中的第一压力差和第二制动回路中的第二压力差,以及 根据第一和第二压力差确定第一比较值。