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    • 7. 发明授权
    • Brake pressure control device, especially for a road vehicle
    • 制动压力控制装置,特别适用于公路车辆
    • US06715846B1
    • 2004-04-06
    • US09581896
    • 2000-09-12
    • Helmut PueschelHerbert Keller
    • Helmut PueschelHerbert Keller
    • B60T844
    • B60T8/442B60T8/4881
    • Described is a braking-pressure control system, especially for a road vehicle, having a pneumatic brake booster (14), having a main cylinder (16) in which a main-cylinder pressure (PHZ) can be generated by a pneumatic brake booster (14), and having a hydraulic modulator (17) which is connected between the main cylinder (16) and at least one wheel-brake cylinder (10-13) of at least one wheel; the hydraulic modulator (17) including a configuration of switchable valves (ASV, USV, EV, AV), as well as one pump (25, 25′); and a wheel-brake cylinder pressure (PRZ) being able to be generated in the at least one wheel-brake cylinder (10-13), using the hydraulic modulator; the wheel-brake cylinder pressure being higher than the main-cylinder. pressure (PHZ). The braking-pressure control system is characterized in that the pneumatic brake booster (14) is designed in a manner allowing it to already reach its saturation point (A0, A1) at a main-cylinder pressure (PHZ) of less than 50 bar.
    • 一种制动压力控制系统,特别是用于具有气动制动助力器的道路车辆的制动压力控制系统,具有主气缸,主气缸能够通过气动制动助力器产生主缸压力,并具有连接在主缸之间的液压调节器 气缸和至少一个至少一个车轮的制动轮。 液压调节器包括可切换阀值的结构和一个泵; 并且使用液压调节器在所述至少一个车轮制动缸中产生车轮制动缸压力。 车轮制动缸压力高于主缸。 压力(PHZ)。 气动制动助力器的制动压力控制系统在主缸压力小于50巴时达到饱和点。
    • 8. 发明授权
    • Brake pressure control device and a method for activating and deactivating a hydraulic brake booster
    • 制动压力控制装置以及用于启动和停用液压制动助力器的方法
    • US06361126B1
    • 2002-03-26
    • US09587477
    • 2000-06-05
    • Helmut PueschelHanniel SchmidtHelmut Wiss
    • Helmut PueschelHanniel SchmidtHelmut Wiss
    • B60T834
    • B60T8/3275B60T8/442
    • A brake pressure control device is described. The device includes a pneumatic brake booster which has at least two chambers that are separable from each other. At least one of the chambers can be operated as a low-pressure chamber and at least another one of the chambers can be oerated as a working chamber. The device further includes a master braking cylinder in which a master cylinder pressure is generated over the pneumatic brake booster, and a hydraulic unit, which is installed between the master cylinder and at least one wheel brake cylinder of at least one wheel. The hydraulic unit includes an arrangement of switchable valves as well as least one pump. A hydraulic boost of the brake pressure is achievable with the assistance of the hydraulic unit. A wheel brake cylinder pressure may be generated in the at least one wheel brake cylinder with the assistance of the hydraulic unit, the wheel brake cylinder pressure being greater than the master cylinder pressure. A drive input point can be determined at which the hydraulic unit is activated taking into account the time-related derivation of the master cylinder pressure, the differential pressure between the pressure in the working chamber and the ambient pressure when the brake pedal is unactivated, as well as of the time-related derivation of the differential pressure between the pressure in the working chamber and the ambient pressure.
    • 描述制动压力控制装置。 该装置包括气动制动助力器,其具有彼此分离的至少两个腔室。 这些室中的至少一个可以作为低压室操作,并且至少另一个室可以作为工作室进行排放。 该装置还包括主制动缸,其中在气动制动助力器上产生主缸压力,以及液压单元,其安装在主缸和至少一个车轮的至少一个车轮制动缸之间。 液压单元包括可切换阀以及至少一个泵的布置。 在液压单元的帮助下可以实现制动压力的液压提升。 在液压单元的帮助下,可能在至少一个车轮制动缸中产生车轮制动缸压力,车轮制动缸压力大于主缸压力。 考虑到主缸压力的时间相关推导,当制动踏板未激活时工作室中的压力与环境压力之间的压差,可以确定液压单元被启动的驱动输入点,如 以及与工作室中的压力和环境压力之间的压差的时间相关的推导。