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    • 8. 发明授权
    • Multi-circuit protection valve for a compressed-air supply device of a vehicle, and method for operating a multi-circuit protection valve
    • 一种用于车辆的压缩空气供应装置的多回路保护阀,以及用于操作多回路保护阀的方法
    • US09102311B2
    • 2015-08-11
    • US13970313
    • 2013-08-19
    • KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    • Oliver Kaupert
    • B60T17/02B60T11/32B60T17/04B60T17/18B60T17/22
    • B60T11/326B60T17/04B60T17/18B60T17/221
    • A multi-circuit protection valve is provided for a vehicle compressed-air supply device. A first port for a service brake includes two mutually separate service brake circuit ports for a first service brake circuit and a second service brake circuit. The two service brake circuit ports are protected by first and second service brake circuit overflow valves, respectively. A second port for a parking brake, is protected by an overflow valve, wherein one of the two service brake circuits can be filled preferentially. The overflow valve has two active surfaces which can be acted on with a valve inlet pressure and a valve outlet pressure, respectively. The overflow valve has a third active surface, which is acted on with the service brake pressure from the non-preferentially filled service brake circuit. Forces generated by the three active surfaces counteract a closing force in order to open or hold open the overflow valve.
    • 一种用于车辆压缩空气供应装置的多回路保护阀。 用于行车制动器的第一端口包括用于第一行车制动回路和第二行车制动回路的两个相互分离的行车制动回路口。 两个维修制动回路端口分别由第一和第二制动回路溢流阀保护。 用于驻车制动器的第二端口由溢流阀保护,其中可以优先地填充两个行车制动回路中的一个。 溢流阀具有两个活动表面,分别可以作用在阀入口压力和阀出口压力上。 溢流阀具有第三有效表面,该表面与来自非优先填充的行车制动回路的行车制动压力作用。 由三个活动表面产生的力抵消关闭力,以打开或保持打开溢流阀。
    • 10. 发明申请
    • Safety shut-off device
    • 安全关闭装置
    • US20050076950A1
    • 2005-04-14
    • US10911852
    • 2004-08-05
    • Juergen Berbuer
    • Juergen Berbuer
    • F25B41/04B60H1/00B60H1/32B60T11/32B60T17/04F15B20/00F25B49/02G05D11/00
    • B60T17/04B60H1/00978B60H1/3225B60T11/323F15B20/005Y10S137/906Y10T137/2496Y10T137/2554Y10T137/2567Y10T137/7723Y10T137/7771Y10T137/87161Y10T137/87249
    • The invention relates to a safety shut-off device for sections of fluid circuits, which in case of damage or the like, have to shut off from each other on safety considerations. The safety shut-off device includes two chambers with connections for the sections to be shut off from each other. The chambers are separated from each other by a piston and have two connections each, of which one is dosed by closing elements with sealing force elements, when both chambers have the same pressure. Further, two actuating devices are provided which are functionally connected to the closing elements and the piston. When the piston is moved due to a pressure difference between the connections, the closing element in the chamber with the higher pressure opens the associated connection so that fluid can flow from a section with higher pressure into the other section with lower pressure. The accompanying pressure increase in the section with the lower pressure ensures that the corresponding closing element of the chamber with the lower pressure is overcome by the fluid against the pressure of the sealing force element so that the fluid is capable to circulate in both sections.
    • 本发明涉及一种用于流体回路部分的安全切断装置,其在损坏等的情况下必须在安全考虑的情况下彼此切断。 安全切断装置包括两个腔室,这些腔室具有用于各部分彼此切断的连接。 这些室通过活塞彼此分开,并且当两个室具有相同的压力时,每个连接件通过具有密封力元件的闭合元件而被分配两个连接。 此外,提供两个致动装置,其在功能上连接到关闭元件和活塞。 当活塞由于连接之间的压差而移动时,具有较高压力的腔室中的关闭元件打开相关联的连接,使得流体可以从具有较高压力的部分流动到具有较低压力的另一部分中。 伴随较低压力的部分伴随的压力增加确保了具有较低压力的腔室的相应闭合元件克服了密封力元件的压力,从而流体能够在两个部分中循环。