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    • 51. 发明授权
    • Engine overspeed control of retarder
    • 减速机的发动机超速控制
    • US3931870A
    • 1976-01-13
    • US478455
    • 1974-06-12
    • James A. Memmer
    • James A. Memmer
    • B60T1/087F16D57/04F16D67/00F16H47/06F16D57/02
    • B60T1/087F16D57/04F16D67/00F16H47/06
    • A power train having an engine, a retarder and a transmission and controls to manually control the retarder and an engine overspeed responsive control operative to shorten a link in the manual control to move the retarder control valve to automatically apply the retarder in response to engine overspeed. An air cylinder in a link of the retarder apply linkage is actuated by vehicle air brake pressure controlled by a transmission input or engine speed governor to apply the retarder and prevent engine speed above a predetermined value and thus limit vehicle speed. When the retarder apply air cylinder shortens the link, the retarder apply pedal engages the brake off stop to provide the reaction to move the retarder valve.
    • 具有发动机,减速器和变速器的动力传动系统并且控制以手动控制延迟器和发动机超速响应控制,其可操作以缩短手动控制中的连杆以移动减速器控制阀,以响应于发动机超速而自动应用减速器 。 缓速器连杆的连杆中的气缸由变速器输入或发动机调速器控制的车辆空气制动压力启动,以施加减速器并防止发动机转速高于预定值,从而限制车辆速度。 当减速器应用气缸缩短连杆时,减速器施加踏板与制动器关闭挡块接合以提供反作用力来移动减速阀。
    • 53. 发明授权
    • Frictionless brake
    • 无摩擦制动
    • US3918558A
    • 1975-11-11
    • US41601073
    • 1973-10-15
    • BRYANT CLYDE C
    • BRYANT CLYDE C
    • B60T1/087F16D57/06F16D65/78B60K41/20
    • F16D57/06B60T1/087F16D2065/782
    • A brake apparatus for a wheeled vehicle comprising a support housing secured to the vehicle upon which is mounted a closed circuit damper brake mechanism. A coupling apparatus having a wobbling motion is connected to the axle of the vehicle to activate the brake damper mechanism with a valve assembly provided on the brake mechanism to regulate the flow of hydraulic fluid through the brake mechanism so that when the flow of fluid through the brake mechanism is stopped, the coupling apparatus motion is stopped prohibiting rotation of the axle causing braking of the vehicle.
    • 一种用于轮式车辆的制动装置,包括固定到车辆上的支撑壳体,在该车辆上安装有闭路阻尼器制动机构。 具有摇摆运动的联接装置连接到车辆的车轴,以便在设置在制动机构上的阀组件上启动制动阻尼机构,以调节通过制动机构的液压流体的流动,使得当通过 制动机构停止,联结装置运动停止,禁止车轴的旋转引起车辆制动。
    • 54. 发明授权
    • Retarder control
    • 拖车控制
    • US3863739A
    • 1975-02-04
    • US40827773
    • 1973-10-23
    • GEN MOTORS CORP
    • SCHAEFER ROBERT HLENTZ CARL A
    • B60T1/087F16D67/00F16H47/08F16D57/02
    • B60T1/087F16D67/00F16H47/08Y10T477/6343
    • A transmission having a torque converter, hydrodynamic retarder and control system. A regulated pressure source is connected in series through the torque converter, a cooler which restricts flow to the cooler outlet line with the retarder on off valve in either position. The cooler outlet line is regulated at a low pressure and excess fluid flow exhausted to a sump by the converter pressure regulator valve. The retarder on off valve in retarder off position directly exhausts the retarder outlet and blocks the retarder inlet so all cooler outlet flow is connected by the converter regulator valve to sump and in retarder on position connects retarder outlet to join converter outlet flow to the cooler and the cooler outlet to retarder inlet. A retarder regulator valve regulates retarder inlet pressure between a minimum and maximum valve limited by the converter pressure regulator valve and increasing as a function of retarder demand and decreasing as a function of the maximum rate of increase of retarder outlet pressure, for manual control of retarder torque varying as a similar function of retarder speed with increased retarder demand. A torque limiter valve limits retarder outlet pressure and torque. A manually operated electric control simultaneously controls the retarder on off valve and the retarder regulator valve on movement from an off position through a range of on positions to place the retarder on off valve in on position and to manually increase the pressure regulated by the retarder regulator valve.
    • 具有变矩器,流体动力学延迟器和控制系统的变速器。 调节压力源通过变矩器串联连接,一个冷却器,其限制了流出到冷却器出口管路,阻尼器在关闭阀处于任一位置。 冷却器出口管线在低压下调节,并且转换器压力调节阀将过量的流体流量排放到贮槽。 减速器关闭位置上的截止阀上的减速器直接排出减速器出口并阻塞减速器入口,以便所有冷却器出口流由转换器调节阀连接到油底壳,并且在缓速器中连接减速器出口,将转换器出口流连接到冷却器, 冷却器出口到减速器入口。 减速器调节阀调节由转换器压力调节阀限制的最小和最大阀之间的减速器入口压力,并且作为延迟器需求的函数而增加,并且作为减速器出口压力的最大增加速率的函数而减小,用于手动控制减速器 扭矩随着延迟器速度的增加而变化,具有延迟器速度增加的功能。 扭矩限制阀限制减速器出口压力和扭矩。 手动操作的电控制器同时控制关闭阀上的缓速器和缓速器调节阀,从关闭位置移动到一定范围的开位置,以将减速器放在关闭阀处于就位并手动增加由延迟器调节器调节的压力 阀。
    • 56. 发明授权
    • Hydrodynamic retarder for vehicles
    • 车辆水动力拖车
    • US3774735A
    • 1973-11-27
    • US3774735D
    • 1972-01-17
    • DAIMLER BENZ AG
    • HANKE HPETER W
    • B60T1/087F16D57/04F16D57/02
    • F16D57/04B60T1/087
    • A hydrodynamic retarder for vehicles, especially motor vehicles which includes an internal working circulation between a rotating and a stationary bladed wheel within a working space and an external cooling circulation with a by-pass valve; the filling of the working circulation takes place from a filling cylinder actuated by pressure medium and controlled by a control valve, for example by the brake pedal; the sealed space located directly in front of the shaft seal within the retarder housing is relieved toward a place of the working circulation that is pressureless during operation while a supply tank for working liquid is provided which is connected with the cooling circulation by way of a first check valve that opens in the direction toward the cooling circulation and with the relief line, connecting the space in front of the shaft seal with the working space, by way of a second check valve which closes in the direction toward the relief line.
    • 用于车辆的流体动力学减速器,特别是机动车辆,其包括在工作空间内的旋转和固定叶轮之间的内部工作循环和具有旁通阀的外部冷却循环; 工作循环的填充从由压力介质致动并由控制阀例如由制动踏板控制的填充气缸进行; 位于减速器壳体内的轴密封件正前方的密封空间朝向在操作期间无压力的工作循环的位置释放,同时提供用于工作液体的供应罐,其通过第一 止回阀通过沿朝向救生线的方向封闭的第二止回阀,在朝向冷却循环的方向和泄压线上打开,将轴封前面的空间与工作空间连接。
    • 57. 发明授权
    • Control system for hydrodynamic retarder
    • 水力发电机控制系统
    • US3640359A
    • 1972-02-08
    • US3640359D
    • 1970-01-20
    • CATERPILLAR TRACTOR CO
    • CLARK RICHARD BMORRIS HUGH CWHITEHURST GERALD E
    • B60T10/00B60R17/02B60T1/087F16D57/06B60K29/02F16D57/00
    • B60T1/087B60R17/02Y10T137/2617
    • A control system is provided for use with a hydrodynamic retarder for providing braking to a vehicle by using engine lubricant as the working fluid. The system comprises a first pressure responsive, priority valve which functions to direct engine lubricant to a second, control valve from the engine lubricant pump only after the pressure in the engine lubricant system has achieved a sufficiently high level to supply the engine''s requirements. In another embodiment, the first valve meters lubricant to both the engine and retarder at the same time by means of metering slots. The second control valve is operatoractuated and functions to direct lubricant through the heat exchanger, the lubricant filter, and then to the engine in one mode, or additionally by way of a hydrodynamic retarder in a second mode and thus to provide braking for the vehicle.
    • 提供了一种与通过使用发动机润滑剂作为工作流体向车辆提供制动的流体动力学减速器一起使用的控制系统。 该系统包括第一压力响应优先阀,其仅在发动机润滑剂系统中的压力已经达到足够高的水平以提供发动机的要求之后才能将发动机润滑剂引导到来自发动机润滑剂泵的第二控制阀。 在另一个实施例中,第一阀通过计量槽同时计量发动机和减速器两者的润滑剂。 第二控制阀是操作者致动的,并且用于将润滑剂引导通过热交换器,润滑剂过滤器,然后以一种模式引导到发动机,或另外通过在第二模式中的流体动力学延迟器引导,从而为 车辆。