Hydraulic system
    11.
    发明授权
    Hydraulic system 有权
    液压系统

    公开(公告)号:US07975474B2

    公开(公告)日:2011-07-12

    申请号:US12074711

    申请日:2008-03-05

    Abstract: A hydraulic system including a pump for feeding hydraulic fluid from an inlet side to an outlet side. A pressure accumulator is disposed at the outlet side, and between the pump and the pressure accumulator a hydraulic control valve is disposed, which has at least two valve positions. The outlet side of the pump is connected to the pressure accumulator in a second valve position, and is separated from the pressure accumulator in a first valve position. The outlet side of the pump is connected to the inlet side through the control valve in the first valve position.

    Abstract translation: 一种液压系统,包括用于从入口侧向出口侧供给液压流体的泵。 压力蓄能器设置在出口侧,并且在泵和蓄压器之间设置有具有至少两个阀位置的液压控制阀。 泵的出口侧在第二阀位置连接到蓄压器,并且在第一阀位置与蓄压器分离。 泵的出口侧在第一阀位置通过控制阀连接到入口侧。

    Gear pump for actuating a clutch
    12.
    发明授权
    Gear pump for actuating a clutch 有权
    用于驱动离合器的齿轮泵

    公开(公告)号:US07914269B2

    公开(公告)日:2011-03-29

    申请号:US11821587

    申请日:2007-06-23

    Abstract: A positive-displacement pump having an eccentrically positioned internal ring gear and pinion within a pump housing. Pressurized operating fluid is provided by the pump to actuate an actuation piston of a clutch unit, such as a double clutch unit. The clutch unit is drivingly coupled with the pump for movement between engaged and disengaged positions. At least one throughbore is provided in the pump housing within which throughbore the clutch actuation piston is guided.

    Abstract translation: 一种容积式泵,其在泵壳体内具有偏心的内齿圈和小齿轮。 加压的工作流体由泵提供以致动诸如双离合器单元之类的离合器单元的致动活塞。 离合器单元与泵驱动耦合以在接合位置和分离位置之间移动。 至少一个通孔设置在泵壳体中,在该壳体内通过离合器致动活塞被引导。

    Hydraulic arrangement for actuating a plurality of shift rails
    13.
    发明授权
    Hydraulic arrangement for actuating a plurality of shift rails 有权
    用于致动多个换档导轨的液压装置

    公开(公告)号:US09038492B2

    公开(公告)日:2015-05-26

    申请号:US13452862

    申请日:2012-04-21

    CPC classification number: F16H61/2807 F16H61/688 Y10T74/19251 Y10T74/20024

    Abstract: A hydraulic arrangement by which a plurality of shift rails of a transmission are actuated, including one double acting cylinder per shift rail by which the respective shift rail can be moved back and forth. A first hydraulic valve is connected upstream of the plurality of shift rails and has a first output and a second output, by which a first shift pressure and a second shift pressure for actuating the shift rails can be provided. A second hydraulic valve is connected between the first hydraulic valve and two of the shift rails, and by which it is selectively possible for the first output of the first hydraulic valve to be associated with one of the double acting cylinders of the two shift rails, and the second output of the first hydraulic valve to be associated with the other double acting cylinder of the two shift rails.

    Abstract translation: 驱动变速器的多个换档导轨的液压装置,包括每个换档导轨的一个双作用气缸,相应的换档导轨可以通过该液压装置前后移动。 第一液压阀连接在多个变速轨道的上游,并且具有第一输出和第二输出,通过该第一输出和第二输出,可以提供用于致动换档导轨的第一变速压力和第二变速压力。 第二液压阀连接在第一液压阀和两个换档导轨之间,并且通过该第二液压阀,第一液压阀的第一输出可选择地与两个变速轨的双作用气缸中的一个相关联, 并且第一液压阀的第二输出与两个换档导轨的另一个双作用缸相关联。

    Hydraulic system for an automatic transmission
    14.
    发明授权
    Hydraulic system for an automatic transmission 有权
    液压系统用于自动变速器

    公开(公告)号:US08141355B2

    公开(公告)日:2012-03-27

    申请号:US12220790

    申请日:2008-07-28

    CPC classification number: F16H61/0031 F16H2312/14

    Abstract: A hydraulic system for an automatic transmission operatively connected to an internal combustion engine that is operable in a start-stop mode. The hydraulic system includes a hydraulic energy source to supply the hydraulic system with hydraulic energy, the hydraulic energy source including at least one electrically driven hydraulic pump to supply the hydraulic system with hydraulic energy during a stopping phase of the internal combustion engine. To achieve a reduction in fuel consumption and CO2 emissions, provision is included to enable the electrically driven hydraulic pump to be switched on in addition to a mechanically driven hydraulic pump, as needed during an operating phase of the internal combustion engine.

    Abstract translation: 一种用于可操作地连接到内燃机的自动变速器的液压系统,该内燃机可以起动模式操作。 液压系统包括用于向液压系统提供液压能量的液压能量源,所述液压能源包括至少一个电动液压泵,以在所述内燃机的停止阶段期间向所述液压系统提供液压能量。 为了实现燃料消耗和二氧化碳排放的减少,包括在内燃机的运行阶段期间除了机械驱动的液压泵之外还提供电动液压泵的接通。

    Hydraulic system
    15.
    发明授权
    Hydraulic system 失效
    液压系统

    公开(公告)号:US08133141B2

    公开(公告)日:2012-03-13

    申请号:US12317240

    申请日:2008-12-19

    CPC classification number: F16H61/66272 F16H59/14 F16H63/065

    Abstract: The invention relates to a hydraulic system for actuating a continuously variable belt-driven conical-pulley transmission having two conical pulleys encircled by an endless torque-transmitting means, each of which comprises two conical disks, one of which is axially movable depending on the pressure in an associated pressing chamber, and having a torque sensor which includes a torque sensing chamber that is connected to a hydraulic energy source and is linked with the pressing chambers.The invention is distinguished by the fact that the pressing chambers are connected via a first hydraulic resistance element to the torque sensing chamber, and via a second hydraulic resistance element to an additional pressure chamber, in which a lower pressure prevails than in the pressing chambers and/or the torque sensing chamber.

    Abstract translation: 本发明涉及一种液压系统,用于致动一个连续可变皮带驱动的圆锥形皮带轮传动装置,其具有由环形扭矩传递装置包围的两个锥形滑轮,每个锥形滑轮包括两个锥形盘,其中一个可根据压力轴向移动 在相关联的压力室中,并且具有扭矩传感器,扭矩传感器包括连接到液压能源并与压力室连接的转矩感测室。 本发明的区别在于,压力室经由第一液压阻力元件连接到转矩检测室,并且经由第二液压阻力元件连接到附加压力室,其中压力低于在压力室中的压力, /或转矩传感室。

    Hydraulic system
    18.
    发明授权
    Hydraulic system 失效
    液压系统

    公开(公告)号:US08302395B2

    公开(公告)日:2012-11-06

    申请号:US12317241

    申请日:2008-12-19

    CPC classification number: F16H61/66272 F16H61/0025 F16H2061/66286

    Abstract: A hydraulic system for actuating a belt-driven conical-pulley transmission having a variably adjustable transmission ratio, of a vehicle, including at least one hydraulic energy source and having a torque sensor that is supplied with working medium by a pump flow of the hydraulic energy source. A disconnection valve is connected between the hydraulic energy source and the torque sensor, which makes it possible to connect or disconnect an additional pump flow of the hydraulic energy source, depending on need.

    Abstract translation: 一种液压系统,用于致动具有可变调节传动比的皮带驱动锥形滑轮传动装置,该传动比包括至少一个液压能量源,并具有扭矩传感器,扭矩传感器通过液压能量的泵流供给工作介质 资源。 在液压能量源和扭矩传感器之间连接一个断开阀,这样就可以根据需要连接或断开液压能量源的附加泵流。

    Hydraulic system for controlling a belt-driven conical-pulley transmission
    19.
    发明授权
    Hydraulic system for controlling a belt-driven conical-pulley transmission 失效
    用于控制皮带驱动锥形皮带轮传动的液压系统

    公开(公告)号:US08196401B2

    公开(公告)日:2012-06-12

    申请号:US12315180

    申请日:2008-11-29

    Abstract: A hydraulic system for controlling a belt-driven conical-pulley transmission. A pump draws a working medium from a working medium tank or through a cooler return valve from a cooler return line. The cooler return valve is a minimum pressure valve that holds closed a connection between the cooler return line and a pump inlet line through the cooler return valve, as long as the pressure in the cooler return line remains below a specified minimum pressure. The cooler return valve also opens the connection between the cooler return line and the pump inlet line through the cooler return valve as soon as the specified minimum pressure in the cooler return line is exceeded.

    Abstract translation: 一种用于控制皮带驱动的圆锥滚子传动装置的液压系统。 泵从工作介质罐或通过较冷的回流阀从较冷的回流管中抽取工作介质。 冷却器回流阀是一个最小压力阀,只要冷却器回流管路中的压力保持低于规定的最小压力,就可以通过冷却器回流阀将冷却器回流管路和泵入口管路之间的连接保持闭合。 一旦冷却器返回管路中指定的最小压力超过,冷却器回流阀也将通过冷却器回流阀打开冷却器回流管路和泵入口管路之间的连接。

    Hydraulic system
    20.
    发明授权
    Hydraulic system 失效
    液压系统

    公开(公告)号:US08051650B2

    公开(公告)日:2011-11-08

    申请号:US12072137

    申请日:2008-02-21

    CPC classification number: F16H61/66272 F16H57/04 F16H2061/66286

    Abstract: A hydraulic system for actuating a clutch and/or a variable speed drive unit of a belt-driven conical-pulley transmission of a vehicle, such as a commercial vehicle, and having a variable transmission ratio and a torque sensor. The hydraulic system includes at least one hydraulic energy source. A selector and check valve is provided for supplying additional components besides the torque sensor and is connected between the hydraulic energy source, the additional components, and the torque sensor in such a way that the torque sensor includes priority in being supplied with hydraulic medium.

    Abstract translation: 一种液压系统,用于致动诸如商用车辆的车辆的带驱动的圆锥形皮带轮传动装置的离合器和/或变速驱动单元,并具有可变传动比和扭矩传感器。 液压系统包括至少一个液压能量源。 提供选择器和止回阀,用于除了扭矩传感器之外提供附加部件,并且连接在液压能量源,附加部件和扭矩传感器之间,使得转矩传感器包括提供液压介质的优先权。

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