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    ELECTRO-HYDRAULIC FAILURE RECOVERY CONTROL FOR DUAL CLUTCH TRANSMISSION
    1.
    发明公开
    ELECTRO-HYDRAULIC FAILURE RECOVERY CONTROL FOR DUAL CLUTCH TRANSMISSION 有权
    ELEKTROHYDRAULISCHE FEHLERBEHEBUNGSSTEUERUNGFÜREIN DOPPELKUPPLUNGSGETRIEBE

    公开(公告)号：EP2401527A1

    公开(公告)日：2012-01-04

    申请号：EP10746818.3

    申请日：2010-02-25

    申请人： Allison Transmission, Inc.

    发明人： HAGELSKAMP, Bryan

    IPC分类号： F16H61/12

    CPC分类号： F16H61/12 ,  F16H61/0206 ,  F16H61/16 ,  F16H61/688 ,  F16H2061/1224 ,  F16H2061/1232 ,  F16H2061/1292 ,  Y10T74/19153 ,  Y10T74/19163 ,  Y10T74/19251

    摘要： A control for a multi-speed automatic vehicle transmission includes electrical and hydraulic components, such as pressure control valve systems in fluid communication with shift valves and electrohydraulic actuators. The control includes electrohydraulic features configured to enable the transmission to respond to an electrical failure whether the transmission is in neutral, a reverse range, or one of a plurality of forward ranges.

    摘要翻译： 用于多速自动车辆变速器的控制器包括电动和液压部件，例如与换档阀和电动液压致动器流体连通的压力控制阀系统。 该控制包括电液特征，其被配置为使得变速器能够响应电力故障，无论变速器是空档还是反向范围，还是多个前进范围中的一个。

    Speed control for a utility vehicle
    4.
    发明公开
    Speed control for a utility vehicle 有权
    车辆的速度控制

    公开(公告)号：EP1277992A3

    公开(公告)日：2005-04-27

    申请号：EP02014771.6

    申请日：2002-07-04

    申请人： DEERE & COMPANY

    发明人： Evans, Mark David ,  Burgart, Joseph G.

    IPC分类号： F16H61/42 ,  B60K31/10 ,  F16H61/46

    CPC分类号： F16H61/46 ,  B60K31/00 ,  B60W2720/10 ,  F16H59/40 ,  F16H59/44 ,  F16H59/46 ,  F16H61/47 ,  F16H2061/0078 ,  F16H2061/0258 ,  Y10T74/19149 ,  Y10T74/19153 ,  Y10T477/6197 ,  Y10T477/6223

    摘要： A cruise control system for a utility vehicle (20), which is speed-controlled by a hydrostatic transmission (26), includes a controller (52( having an input for receiving a selectable set speed signal, and an output for sending a speed control signal to at least one proportional valve (106, 108) of a hydrostatic transmission servo control system. The vehicle ground speed is continuously monitored by a speed sensor (46) operatively associated with a rotating gear (40) in the vehicle drive train (26) that rotates in proportion to vehicle ground speed, to create a ground speed signal. The selectable set speed signal can be input to controller memory by driving the vehicle (20) at a desired ground speed and then activating a speed set switch (58). The speed control algorithm of the controller (52) thereafter compares the set speed to the ground speed signal from the speed sensor (46) and corrects the control signal to the proportional valve (106, 108) to correct hydrostatic transmission speed output.

    Pump failure alarm system for hydraulic working machine
    6.
    发明公开
    Pump failure alarm system for hydraulic working machine 有权
    液压机泵故障预警系统

    公开(公告)号：EP0928849A3

    公开(公告)日：2000-05-03

    申请号：EP99100147.0

    申请日：1999-01-08

    申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD.

    发明人： Gen, Yasuda

    IPC分类号： E02F9/22

    CPC分类号： E02F9/2292 ,  E02F9/2235 ,  E02F9/226 ,  E02F9/2296 ,  E02F9/24 ,  Y10S37/902 ,  Y10T74/19153 ,  Y10T74/19158

    摘要： A pump failure alarm system which is provided in a hydraulic working machine comprising hydraulic pumps (1A, 1B) driven by a prime mover, delivery lines (4A, 4B) joining with one another into one common delivery line (3) on the downstream side, check valves (6A, 6B) provided in the delivery lines upstream of a point where the delivery lines join with one another, a hydraulic cylinder (10) driven by a hydraulic fluid introduced through the common delivery line, and a hydraulic reservoir (14). The pump failure alarm system comprises pressure sensors (33A, 33B) for detecting respective delivery pressures of the hydraulic pumps, bypass lines (35A, 35B) having one ends connected to the delivery lines at points upstream of the check valves and the other ends connected to the hydraulic reservoir, solenoid switching valves (38A, 38B) for opening and closing the associated bypass lines, an alarm display unit (40) for giving an alarm in correspondence to each of the hydraulic pumps, and a controller (41).

    Process for the global control of a drive unit for a gearbox operated by a hydrostatic system
    7.
    发明公开
    Process for the global control of a drive unit for a gearbox operated by a hydrostatic system 失效
    一种用于由静液压传动系统驱动的整体控制处理

    公开(公告)号：EP0719968A1

    公开(公告)日：1996-07-03

    申请号：EP95119755.7

    申请日：1995-12-14

    申请人： CLARK-HURTH COMPONENTS S.p.A.

    发明人： Brambilla, Alberto ,  Danneels, Ignace

    IPC分类号： F16H61/40 ,  F16H47/02

    CPC分类号： F16H61/431 ,  F16H47/02 ,  F16H61/08 ,  F16H61/421 ,  F16H61/46 ,  F16H61/462 ,  Y10T74/19153 ,  Y10T74/19163

    摘要： A process for the global control of a drive unit for a gearbox operated by a hydrostatic system, for a vehicle equipped with at least two gears, comprising an appropriate sequence of steps, performed with preset timings, for activating and deactivating electric valves and for varying the displacement of a hydrostatic motor (4) and of a hydrostatic pump (2) in order to shift gear. The various steps of the sequence are controlled by an electronic control unit (20).

    摘要翻译： 一种用于驱动单元的全局控制用于由静液压系统操作的变速箱，用于配备有至少两个齿轮的车辆的方法，包括的步骤的适当的顺序，与预先设定的定时进行的，用于启动和停用电动阀和用于改变的 静液压泵（2）的以移位齿轮的静液压马达（4）和的位移。 该序列的各步骤由电子控制单元（20）上的控制。

    Simulation method and device for aiding the design of a fluid torque converter
    8.
    发明公开
    Simulation method and device for aiding the design of a fluid torque converter 失效
    用于辅助流体扭矩转换器设计的模拟方法和装置

    公开(公告)号：EP0564985A3

    公开(公告)日：1994-09-21

    申请号：EP93105435.7

    申请日：1993-04-01

    申请人： HONDA GIKEN KOGYO KABUSHIKI KAISHA

    发明人： Iwasawa, Kenjiroh ,  Abe, Hiroya

    IPC分类号： G06F15/60

    CPC分类号： G06F17/5095 ,  F16H41/26 ,  F16H2057/0087 ,  G06F2217/16 ,  Y02T10/82 ,  Y10T74/19153 ,  Y10T477/6197 ,  Y10T477/6203 ,  Y10T477/735

    摘要： In a method and device for simulating properties of a fluid torque converter such as torque ratio, capacity factor and efficiency involving the execution of the steps of finding a plurality of parameters including a fluid passage angle and a fluid passage resistance from a vane profile of a vane wheel of a fluid torque converter, and simulating the properties of said fluid torque converter according to said parameters and an input and output torque relationship based on an angular momentum theory, said fluid passage angle is corrected according to a slip ratio between rotational speeds of input and output ends of the fluid torque converter for the purpose of accounting for the influences of the occurrence of flow separation. Good results can be obtained by correcting the outflow angle of a stator vane array by using a correction value given as a mathematical function of the slip ratio. Thus, the accuracy of simulation can be substantially improved with a minimum increase in the computer time.

    Hydraulic squeeze control for a continuously variable transmission
    9.
    发明公开
    Hydraulic squeeze control for a continuously variable transmission 失效
    Hydraulische Anpressungssteuerungfürein stufenlos verstellbares Getriebe。

    公开(公告)号：EP0295793A2

    公开(公告)日：1988-12-21

    申请号：EP88304569.2

    申请日：1988-05-20

    申请人： GENERAL MOTORS CORPORATION

    发明人： Vahabzadeh, Hamid

    IPC分类号： F16H59/06

    CPC分类号： F16H61/66272 ,  Y10T74/19153

    摘要： A torque sensitive squeeze control apparatus for a variable ratio pulley drive apparatus has a fluid translating unit (26), such as a pump, disposed in the input torque path (30). One member (28) of the fluid translating unit is rotated by the input drive shaft (30) while another member (24) is fixed for rotation with an input pulley shaft (22). If a rotational difference between the input drive shaft and the input pulley shaft is present, the fluid translating unit is effective to increase the pressure in the squeeze control piston of the input pulley thereby increasing the torque capacity of the pulley. A speed differential will occur when a torque difference between the two shafts is present. The hydraulic control for the output pulley (14) is via a controlled servo valve mechanism (52) which permits operator control of the drive ratio between the pulleys independently of the squeeze force on the input pulley.

    摘要翻译： 用于可变比率皮带轮驱动装置的扭矩敏感挤压控制装置具有布置在输入扭矩路径（30）中的诸如泵的流体转换单元（26）。 流体平移单元的一个构件（28）通过输入驱动轴（30）旋转，而另一个构件（24）被固定以与输入滑轮轴（22）一起旋转。 如果存在输入驱动轴和输入滑轮轴之间的旋转差异，则流体平移单元有效地增加输入滑轮的挤压控制活塞中的压力，从而增加滑轮的扭矩容量。 当存在两个轴之间的扭矩差时，将发生速度差。 用于输出滑轮（14）的液压控制通过受控伺服阀机构（52），其允许操作者独立于输入滑轮上的挤压力来控制滑轮之间的驱动比。