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52 条记录 (耗时 0.014 秒)

    VALVE ARRANGEMENT
    1.
    发明申请
    VALVE ARRANGEMENT 有权

    公开(公告)号：US20220410863A1

    公开(公告)日：2022-12-29

    申请号：US17777797

    申请日：2020-12-08

    申请人： Knorr-Bremse Systeme Fuer Nutzfahrzeuge GmbH

    发明人： Zsigmond CSOMA ,  David JAKAB ,  Oliver UDVARDY ,  Ravi Katta SHANKAR ,  Balazs Viktor BIRKAS

    IPC分类号： B60T15/02 ,  B60T15/04 ,  B60T15/12 ,  B60T15/22 ,  B60T15/44 ,  B60T17/04

    摘要： A valve-arrangement is operable to switch between a bistable-valve (BV) behavior and a relay-valve (RV) behavior to control a parking-brake, and includes a housing with a supply-pressure-inlet (SPI), a service brake-control-inlet (SBCI) to provide a control-pressure, a pressure-outlet, and an exhaust-port, and includes a first-piston and a second-piston both movable along a same direction in the housing to define a first-chamber communicating with the SBCI, a second-chamber between the first-piston and the second-piston, and third chamber communicating with the pressure-outlet and with a controllable connection to the SPI, in which upon the control-pressure the second-piston moves with the first-piston to connect the pressure-outlet with the exhaust-port or with the SPI. The valve arrangement includes a throttle unit adapted, depending on the control-pressure, to connect the second-chamber with the third-chamber to enable the BV behavior or disconnect the second-chamber from the third-chamber to enable the RV behavior.

    Valve for controlling pressure medium actuated brakes for railway and other vehicles
    2.
    发明授权
    Valve for controlling pressure medium actuated brakes for railway and other vehicles 失效
    用于控制铁路和其他车辆的压力介质致动制动器的阀

    公开(公告)号：US3948571A

    公开(公告)日：1976-04-06

    申请号：US521910

    申请日：1974-11-07

    申请人： Erik Hefter ,  Hans Pollinger

    发明人： Erik Hefter ,  Hans Pollinger

    IPC分类号： B60T8/18 ,  B60T13/66 ,  B60T15/12 ,  B60T15/04

    CPC分类号： B60T13/665 ,  B60T15/12 ,  B60T8/1893

    摘要： A valve device for controlling pressure medium actuated brakes, particularly for railway vehicles, comprises a multi-stage valve to set one of a plurality of pressure stages. The valve has an axially displaceable stepped piston having a plurality of annular radial surfaces with a predetermined surface area ratio to each other. The surfaces are subjected to the action of pressure medium through control valves separately or in combination in accordance with a selected pressure stage. The piston controls a double valve connected between a source of pressure medium and the brake which is supplied with pressure medium or vented in response to position of the double valve. The radial surfaces of the piston are subjected to a selected stage pressure against a constant force that is independent of the control pressure such that this axially applied force is in balance with the force exerted by the pressure of the pressure medium against the radial surfaces at every braking stage.

    摘要翻译： 用于控制压力介质致动的制动器，特别是用于铁路车辆的阀装置包括多级阀，用于设置多个压力级之一。 阀具有轴向移动的阶梯式活塞，其具有彼此具有预定表面积比的多个环形径向表面。 这些表面根据选定的压力级分别地或组合地经受压力介质的作用。 活塞控制连接在压力介质源和供应压力介质的制动器或响应于双阀的位置而排气的双阀。 活塞的径向表面受到独立于控制压力的恒定力的选定级压力，使得该轴向施加的力与由压力介质的压力相对于径向表面施加的力平衡 制动阶段。

    Pneumatic brake system for a tractor-trailer vehicle including an anti-lock control valve in the trailer brake system
    3.
    发明授权
    Pneumatic brake system for a tractor-trailer vehicle including an anti-lock control valve in the trailer brake system 失效
    用于牵引车拖车车辆的气动制动系统，包括拖车制动系统中的防抱死控制阀

    公开(公告)号：US3929381A

    公开(公告)日：1975-12-30

    申请号：US44973074

    申请日：1974-03-11

    申请人： MIDLAND ROSS CORP

    发明人： DURLING HAROLD

    IPC分类号： B60T13/26 ,  B60T13/36 ,  B60T15/04 ,  B60T15/12 ,  B60T8/06 ,  B60T15/16

    CPC分类号： B60T15/12 ,  B60T13/263 ,  B60T13/36 ,  B60T15/043

    摘要： A pneumatic brake system is provided for tractor-trailer vehicles which permits air to be supplied to the trailer while both tractor and trailer brakes remain set when the rig is parked thereby permitting associated pneumatic devices to be operated with the rig braked. The system includes a park valve which, by itself, is operable to always set the tractor-trailer brakes when the vehicle is parked and release same when the vehicle is to be driven. A control valve is provided in the system which, when optionally operated, supplies air to the trailer while a series of automatically acting valves respond to the position of the control and park valves to maintain the tractor parking brakes and trailer service brakes set during trailer fill operation.

    摘要翻译： 为拖拉机 - 拖车车辆提供气动制动系统，其允许空气供应到拖车，而在停放钻机时拖拉机和拖车制动器保持固定，从而允许相关的气动装置在制动器上操作。 该系统包括停放阀，其本身可操作以在车辆停放时总是设置拖拉机 - 拖车制动器，并且当车辆被驱动时释放它。 在系统中设置控制阀，当可选地操作时，在一系列自动作用的阀响应于控制位置和停放阀以保持拖车填充期间设定的拖拉机驻车制动器和拖车服务制动器时，向拖车提供空气 操作。

    Control valve and system
    4.
    发明授权
    Control valve and system 失效
    控制阀和系统

    公开(公告)号：US3844626A

    公开(公告)日：1974-10-29

    申请号：US16944171

    申请日：1971-08-05

    申请人： WAGNER ELECTRIC CORP

    发明人： STELZER R

    IPC分类号： B60T13/26 ,  B60T15/12 ,  B60T15/16

    CPC分类号： B60T13/263 ,  B60T15/12

    摘要： A brake system for a vehicle having a brake adapted for energization in response to a spring setting pressure released actuator connected therewith is provided with a push-pull type control valve selectively operable to respectively apply the system''s service and emergency fluid pressure to said actuator to effect the de-energization of said brake and also to vent the fluid pressure applied to said actuator to the atmosphere to effect the spring set energization of said brake. The control valve is also provided with resiliently urged means automatically actuated in response to a predetermined low service fluid pressure to vent the fluid pressure applied to the actuator to the atmosphere while isolating both the service and emergency fluid pressures.

    摘要翻译： 具有适于响应于与其连接的弹簧设定压力释放致动器通电的制动器的用于车辆的制动系统设置有推拉式控制阀，其可选择性地可操作以分别将所述系统的服务和紧急流体压力施加到所述致动器以实现 所述制动器的断电并且将施加到所述致动器的流体压力排放到大气中以实现所述制动器的弹簧设定通电。 控制阀还设置有响应于预定的低工作流体压力自动致动的弹性推动装置，以将施加到致动器的流体压力排放到大气中，同时隔离服务和紧急流体压力。

    Pressure modulating brake valve
    5.
    发明授权
    Pressure modulating brake valve 失效
    压力调节制动阀

    公开(公告)号：US3744856A

    公开(公告)日：1973-07-10

    申请号：US3744856D

    申请日：1971-11-03

    申请人： WESTINGHOUSE AIR BRAKE CO

    发明人： DOVERSBERGER R

    IPC分类号： B60T13/14 ,  B60T15/08 ,  B60T15/12

    CPC分类号： B60T13/141 ,  Y10T137/86686 ,  Y10T137/86919 ,  Y10T137/87233

    摘要： A pressure modulating brake valve interposed between a fluid pressure accummulator and the brake line of a vehicle for selectively directing a volume of pressurized fluid to the vehicle brakes responsive to the application of the brake treadle, which urges a plunger to unseat a poppet valve located within the brake valve; the fluid pressure in the brake line also impinges against the plunger to offset the manual pressure exerted thereon and to permit the operator to feel the fluid pressure application. The brake valve also communicates the brake line with the vehicle main fluid reservoir, the plunger having a fluid bypass for permitting return flow when the fluid pressure in the brake line exceeds the manual pressure exerted on the brake treadle.

    摘要翻译： 压力调节制动阀插入在液压蓄能器和车辆的制动管线之间，用于响应于制动踏板的应用选择性地将一定体积的加压流体引导到车辆制动器，该制动踏板促使柱塞将位于内部的提升阀 制动阀; 制动管路中的流体压力也撞击柱塞以抵消施加在其上的手动压力并且允许操作者感觉到流体压力施加。 制动阀还将制动管路与车辆主流体储存器连通，柱塞具有流体旁路，用于当制动管线中的流体压力超过施加在制动踏板上的手动压力时允许回流。