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    • 7. 发明授权
    • Gear control device
    • 齿轮控制装置
    • US07794349B2
    • 2010-09-14
    • US11908689
    • 2006-03-04
    • Georg GiererThilo Schmidt
    • Georg GiererThilo Schmidt
    • F16H31/00F16H61/16F16H61/18
    • F16H61/0246F16H61/0206F16H61/12F16H2061/1204F16H2061/122Y10T477/6934Y10T477/693636
    • An automatic transmission control device with a hydraulic control system controlled by an electric transmission control device. The system including several pressure control valves, actuated electrically by the transmission control device, and several switching valves and pressure regulation valves, actuated by hydraulic pilot pressure, which is adjustable with the pressure control valves. Each shift element is associated with one of the pressure control valve. An engagement prevention valve is actuated by one of a control pressure of the first shift element and a pressure signal equivalent to the control pressure of the first shift element to engage the reverse drive gear. A pressure supply line of the second shift element for obtaining the reversing gear is blocked when the engagement prevention valve is in its first switch position and open when the engagement prevention valve is in its second switch position.
    • 一种具有由电力传动控制装置控制的液压控制系统的自动变速器控制装置。 该系统包括由变速器控制装置电动执行的几个压力控制阀以及由液压先导压力致动的几个开关阀和压力调节阀,其可通过压力控制阀调节。 每个换档元件与压力控制阀中的一个相关联。 接合防止阀由第一变速元件的控制压力和与第一变速元件的控制压力等效的压力信号中的一个致动,以接合倒档驱动齿轮。 当接合防止阀处于其第一开关位置时,用于获得换向齿轮的第二换挡元件的压力供应管线被阻挡,并且当接合防止阀处于其第二开关位置时,该压力供应管路被打开。
    • 10. 发明授权
    • Device for the operation of a starter mechanism that can be brought into active connection with a hydraulic supply circuit of a transmission unit
    • 用于操作可以与传动单元的液压供应电路主动连接的起动机构的装置
    • US07617918B2
    • 2009-11-17
    • US11704843
    • 2007-02-09
    • Georg GiererThilo Schmidt
    • Georg GiererThilo Schmidt
    • F16H61/48
    • F16H61/143F16D25/123F16D48/02F16D2500/1045F16D2500/10487F16H57/0473
    • A device for operating a starter mechanism actively connected with a hydraulic supply circuit of a transmission unit. The starter mechanism has a piston chamber subject to hydraulic pressure for activating a frictional shift element and a hydraulic chamber subject to hydraulic pressure for the cooling and lubricating an area of the starter mechanism. A hydraulic pressure between a lubrication pressure control port of a second pressure relief valve and the hydraulic chamber and equivalent to a lubrication pressure, is exerted on a second back pressure outlet port of a first relief valve, which acts on a valve slide of the first relief valve in the opposite direction relative to the working pressure exerted on a first back pressure outlet port of the first relief valve so that the pressure feed-back of the hydraulic pressure to the first relief valve occurs additively to the pilot signal characteristic of the first relief valve.
    • 一种用于操作与传动单元的液压供应电路主动连接的起动机构的装置。 起动机构具有经受液压的活塞室,用于启动摩擦变速元件和经受液压的液压室,用于冷却和润滑起动机构的区域。 第二减压阀的润滑压力控制口和液压室之间的液压压力等于润滑压力,施加在第一安全阀的第二背压出口上,第一泄压阀作用在第一 安全阀相对于施加在第一安全阀的第一背压出口上的工作压力相反方向,使得到第一泄压阀的液压的压力反馈与第一安全阀的先导信号特征相加地发生 安全阀。