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    CONTINUOUSLY VARIABLE TRANSMISSION AND A WORKING MACHINE INCLUDING A CONTINUOUSLY VARIABLE TRANSMISSION
    1.
    发明申请
    CONTINUOUSLY VARIABLE TRANSMISSION AND A WORKING MACHINE INCLUDING A CONTINUOUSLY VARIABLE TRANSMISSION 审中-公开
    连续可变传动和包括连续可变传动的工作机

    公开(公告)号：WO2013095213A9

    公开(公告)日：2013-08-15

    申请号：PCT/SE2011000247

    申请日：2011-12-23

    Applicant: VOLVO CONSTR EQUIP AB ,  AKERBLOM MATS ,  MATTSSON PER

    Inventor： AKERBLOM MATS ,  MATTSSON PER

    IPC: F16H37/06 ,  E02F9/20 ,  F16H3/72 ,  F16H47/04

    CPC classification number: F16H3/62 ,  E02F9/2253 ,  F16H3/76 ,  F16H47/04 ,  F16H2037/0886 ,  F16H2037/101 ,  F16H2037/102 ,  F16H2037/103 ,  F16H2037/104 ,  F16H2200/201 ,  F16H2200/2012 ,  F16H2200/2023 ,  F16H2200/2046

    Abstract: A continuously variable transmission (1) including a variator unit (2) having a variator input shaft (4) and a variator output shaft (6), and a first, a second, a third and a fourth planetary gear set (8, 10, 12, 13), wherein each of said first and second planetary gear sets (8,10) has a first member (14a, 16a) being operatively connected to a common transmission input shaft (20) which transmission input shaft (20) is common to the first and second gear sets (8,10) and a second member (14b, 16b) being operatively connected to an output shaft (22) which output shaft (22) is common to the first and second gear sets (8,10), each of said first and second planetary gear sets (8,10) further including a third member (14c, 16c), and the third planetary gear set (12) having a first, a second and a third member (18a, 18b, 18c).

    Abstract translation: 1。一种无级变速器（1），包括具有变速器输入轴（4）和变速器输出轴（6）的变换器单元（2）以及第一，第二，第三和第四行星齿轮组（8,10 ，其中所述第一和第二行星齿轮组（8,10）中的每一个具有可操作地连接到变速器输入轴（20）的公共变速器输入轴（20）的第一构件（14a，16a） 第一和第二齿轮组（8,10）和第二构件（14b，16b）共同操作地连接到输出轴（22），该输出轴（22）与第一和第二齿轮组 所述第一和第二行星齿轮组还包括第三构件，并且所述第三行星齿轮组具有第一构件，第二构件和第三构件， 18b，18c）。

    A METHOD FOR WHEN NECESSARY AUTOMATICALLY LIMITING A PRESSURE IN A HYDRUALIC SYSTEM DURING OPERATION
    2.
    发明申请
    A METHOD FOR WHEN NECESSARY AUTOMATICALLY LIMITING A PRESSURE IN A HYDRUALIC SYSTEM DURING OPERATION 审中-公开
    一种在运行期间自动限制水压系统中的压力的​​方法

    公开(公告)号：WO2009075613A9

    公开(公告)日：2009-12-03

    申请号：PCT/SE2007001103

    申请日：2007-12-12

    Applicant: VOLVO CONSTR EQUIP AB ,  VIGHOLM BO ,  EKVALL ANDREAS

    Inventor： VIGHOLM BO ,  EKVALL ANDREAS

    IPC: E02F9/22

    CPC classification number: E02F9/2217 ,  E02F9/2228 ,  E02F9/2235 ,  E02F9/2296 ,  Y10T137/0396

    Abstract: The invention relates to a method for, when necessary, automatically limiting a pressure in a hydraulic system (201) during operation. The mentioned system is arranged to deliver pressurized hydraulic fluid to at least one fluid actuated device (108, 109, 110) arranged to perform a work function, where the procedure comprises the following steps : to sense a pressure in at least one position of the system, to compare the detected pressure value, or an associated value, with a first predefined pressure limit, and to open a communication of fluid between the fluid actuated device (108, 109, 110) and a reservoir (243) through a first conduit (271, 275) if the sensed pressure value, or an associated value, exceeds the predefined limit.

    Abstract translation: 本发明涉及一种当需要时在操作期间自动限制液压系统（201）中的压力的​​方法。 所提到的系统被布置成将加压的液压流体输送到布置成执行功函的至少一个流体致动装置（108,109,110），其中该过程包括以下步骤：感测至少一个位置的压力 系统，以将检测到的压力值或相关联的值与第一预定压力极限进行比较，并且通过第一管道打开流体致动装置（108,109,110）和储存器（243）之间的流体连通 （271,275），如果感测到的压力值或相关联的值超过预定义的极限。

    VECHICLE CONVEYOR WITH MAINTENANCE SUPPORT DEVICE
    3.
    发明申请
    VECHICLE CONVEYOR WITH MAINTENANCE SUPPORT DEVICE 审中-公开
    带维护支撑装置的汽车输送机

    公开(公告)号：WO2008042352A3

    公开(公告)日：2008-06-19

    申请号：PCT/US2007021118

    申请日：2007-10-01

    Applicant: VOLVO CONSTR EQUIP AB ,  RUDGE BRIAN W

    Inventor： RUDGE BRIAN W

    IPC: B65G21/00

    CPC classification number: B65G17/02

    Abstract: A conveyor for a construction vehicle includes a frame removably connectable with the vehicle. The frame includes front and rear ends, first and second sides extending between the two ends, and upper and lower surfaces extending between the front and rear ends. An endless belt is disposed generally about the frame and at least one and preferably a pair of support members are connected with the frame. Each support member has a first, vertical portion connected with the frame first side and a second, horizontal portion extending generally beneath the frame lower surface and being disposeable upon a base surface. The two support members are configured to retain the entire frame and the belt spaced generally above the base surface so as to facilitate removal of the belt from the frame and alternatively facilitate installation of the belt upon the frame. Preferably, each support member includes an L-shaped bended bar.

    Abstract translation: 用于建筑车辆的输送机包括可拆卸地与车辆连接的框架。 框架包括前端和后端，在两端之间延伸的第一和第二侧以及在前端和后端之间延伸的上表面和下表面。 环形带大体围绕框架设置，并且至少一个且优选地一对支撑构件与框架连接。 每个支撑构件具有与框架第一侧连接的第一竖直部分和大致在框架下表面下方延伸且可设置在基底表面上的第二水平部分。 两个支撑构件被构造成保持整个框架和皮带大致在基座表面上方间隔开，以便于从框架移除皮带并且可选地便于将皮带安装在框架上。 优选地，每个支撑构件包括L形弯曲棒。

    PROPULSION AND STEERING SYSTEM FOR A ROAD MILLING MACHINE
    5.
    发明申请
    PROPULSION AND STEERING SYSTEM FOR A ROAD MILLING MACHINE 审中-公开
    道路铣床的推进和转向系统

    公开(公告)号：WO2008042244A3

    公开(公告)日：2008-11-20

    申请号：PCT/US2007020905

    申请日：2007-09-28

    Applicant: VOLVO CONSTR EQUIP AB ,  WILLIS PAUL E ,  ZUPANC JUSTIN

    Inventor： WILLIS PAUL E ,  ZUPANC JUSTIN

    IPC: B62D11/20

    CPC classification number: B62D11/20 ,  B62D7/026 ,  B62D7/1509 ,  B62D11/001 ,  E01C23/088

    Abstract: A propulsion system is for a road milling machine with a rotatable cutter drum (3). The system includes four crawler assemblies (12) movably coupled with the mainframe so as to define front and rear, and left and right, pairs of crawler assemblies. Four steering actuators (14) are each coupled with a separate crawler assembly and each angularly displaces the crawler about a vertical axis (12a). A first pump (16A) is fluidly coupled with the left pair of crawlers and a second pump (16B) is fluidly coupled with the right pair of crawlers. A control (20) is configured to selectively operate the four actuators in a plurality of different steering modes, one steering mode being a circle steer mode, and to operate the two pumps such that one of the left and right pairs of crawlers are drivable by the first pump in one direction while the other pair of crawlers are drivable in an opposing direction.

    Abstract translation: 推进系统用于具有可旋转切割滚筒（3）的道路铣床。 该系统包括与主机可移动地联接的四个履带组件（12），以便限定前后成对的履带组件。 四个转向致动器（14）各自与单独的履带组件联接，并且每个转向致动器围绕垂直轴线（12a）成角度地移动履带。 第一泵（16A）与左侧的一对履带流体联接，而第二泵（16B）与右侧的履带流体联接。 控制器（20）被配置为选择性地操作多个不同转向模式的四个致动器，一个转向模式是圆转向模式，并且操作两个泵，使得左右一对爬行器中的一个可由 第一泵在一个方向上，而另一对履带可沿相反的方向驱动。

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