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    • 2. 发明专利
    • Driving device for vehicle
    • 车辆驾驶装置
    • JP2010216613A
    • 2010-09-30
    • JP2009066290
    • 2009-03-18
    • Toyota Motor Corpトヨタ自動車株式会社
    • TANAKA KOICHIMOTOIKE KAZUTOSHI
    • F16H3/60
    • PROBLEM TO BE SOLVED: To make the axial dimensions of a forward/backward travel switching mechanism 4 as small as possible in a driving device 2 for vehicles provided with the forward/backward travel switching mechanism 4.
      SOLUTION: The forward/backward travel switching mechanism 4 includes a planetary gear mechanism 10, a forward clutch 20, a reverse brake 30, an actuator 40 for the forward clutch 20, and an actuator 50 for the reverse brake 30. Elements (41, 42, 51, 52, etc.), which constitute the actuator 40 for the clutch and the actuator 50 for the brake, are arranged in an integrated state at one side in the axial direction of the forward clutch 20 and the reverse brake 30 arranged side by side in the axial direction.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:在具有前进/后退行驶切换机构4的车辆的驱动装置2中,使前进/后退行驶切换机构4的轴向尺寸尽可能小。解决方案: 前进/后退行驶切换机构4包括行星齿轮机构10,前进离合器20,后退制动器30,用于前进离合器20的致动器40和用于后退制动器30的致动器50.元件(41,42,51 ,52等)构成用于离合器的致动器40和用于制动器的致动器50,在前后离合器20的轴向的一侧和后置制动器30并排设置的一体状态 在轴向上。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Belt-driven continuously variable transmission
    • 皮带驱动连续可变传动
    • JP2008275017A
    • 2008-11-13
    • JP2007116824
    • 2007-04-26
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAJIMA SHINICHIROKAMIYA TOSHIHIKOTANAKA KOICHITAKAHARA HIDEAKI
    • F16H9/18F16H57/02F16H57/035F16H57/04
    • PROBLEM TO BE SOLVED: To provide a belt-driven continuously variable transmission capable of preventing damage in the rotation of a primary pulley while preventing earlier damage of the shaft bearing unit which freely rotatably supports at least the primary pulley to the change gear case.
      SOLUTION: A projection 76 for an oil receiving surface is provided on the outside surface of a cylinder member 43, and the projection 76 is extended circumferentially over it, so that the cylinder member 43 is formed so that the shaft bearing 34 is situated radially internally against the projection 76. Further, a projection 67 for the oil receiving surface is provided on the opposed surface of a fixed sieve 40 which faces the shaft bearing 35, and the projection 67 is extended circumferentially along the fixed sieve 40 and the fixed sieve 40 is provided so that the shaft bearing 35 is situated radially internally against the projection 67.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种带式无级变速器,其能够防止主带轮的旋转中的损坏,同时防止轴承单元的早期损坏,所述轴承单元至少可旋转地支撑至主轮的变速齿轮 案件。 解决方案:用于油接收表面的突起76设置在圆筒构件43的外表面上,并且突起76沿圆周方向延伸,使得圆柱构件43形成为使轴承34为 另外,用于油接收表面的突起67设置在与轴承35相对的固定筛40的相对表面上,突起67沿固定筛40周向延伸,并且 设置固定筛40,使得轴承35径向向内位于突出部67上。版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Belt type continuously variable transmission
    • 皮带类型连续可变传输
    • JP2007298139A
    • 2007-11-15
    • JP2006127888
    • 2006-05-01
    • Toyota Motor Corpトヨタ自動車株式会社
    • ASAOKA HIRONORIYAJIMA SHINICHIROKIKUKAWA DAISUKEMATSUNAMI TATSUYANINOMIYA HIROSUKEKAMIYA TOSHIHIKOTAKAHARA HIDEAKITANAKA KOICHISHINAGAWA KAZUYUKIMURATA YOICHI
    • F16H9/18F16H37/02
    • PROBLEM TO BE SOLVED: To provide a belt type continuously variable transmission which reduces the cost by reducing capacity required to an oil pump, and improves fuel economy performance.
      SOLUTION: In the belt type continuously variable transmission, a variable pulley comprising a fixed sheave relatively unmovable to an axial direction and a peripheral direction and a movable sheave relatively movable to the axial direction is disposed on a primary side rotating shaft and a secondary side rotating shaft, a winding radius of a belt to the variable pulleys is varied, and thereby, a desired speed ratio is provided. The belt type continuously variable transmission is provided with a gear mechanism 400 comprising a first transmission gear 410 arranged on the secondary side rotating shaft SS movably at least to the axial direction, and a second transmission gear 420 meshed with the first transmission gear 410 and transmitting power to an output shaft side. The gear mechanism 400 is constituted by a helical gear so that the mesh reaction imparts belt pinching force to the movable sheave 324 of the secondary side variable pulley 320.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种带式无级变速器,其通过减少油泵所需的能力降低成本,并且提高燃油经济性。 解决方案:在带式无级变速器中,将一个可变皮带轮设置在一次侧旋转轴和一个第一侧转轴上,该可变皮带轮包括相对于轴向相对不可移动的固定滑轮和周向,以及可相对于轴向移动的可动滑轮 二次侧旋转轴,带与可变皮带轮的卷绕半径变化,从而提供期望的速度比。 带式无级变速器设有齿轮机构400,该齿轮机构400包括至少沿轴向可移动地配置在次级侧旋转轴SS上的第一变速齿轮410和与第一变速齿轮410啮合的第二变速齿轮420, 输出轴侧的动力。 齿轮机构400由斜齿轮构成,使得网格反应将带夹紧力施加到次级侧可变滑轮320的可动滑轮324上。版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • POWER TRANSMISSION DEVICE
    • JPH0351522A
    • 1991-03-05
    • JP18409889
    • 1989-07-17
    • TOYOTA MOTOR CORP
    • TANAKA KOICHIMURATA KIYOHITO
    • F16D35/00F16D43/284F16D47/06
    • PURPOSE:To improve the traveling performance of a vehicle by constituting a viscous resistance force generating means from a viscous fluid chamber and the first and second fins and installing one cam member in slidable manners to the inside/outside of the fluid chamber and sealing the inside of the fluid chamber with each prescribed quantity of viscous fluid and gas. CONSTITUTION:As for a power transmission device 10, one cam member 14 is gradually slided to a fluid chamber R side by the action of a roller 17 as a cam follower, according to the increase of the differential revolution speed between the both propeller shafts 25 and 26, and the superposition length of the fin parts in the both fins 14a and 15a is increased, and the charging rate of the viscous fluid in the fluid chamber R is increased. Therefore, the transmission torque is increased according to the increase of the both, and catches the reduction of the transmission torque caused by the reduction of viscosity of the viscous fluid, or overwhelms the reduction of the transmission torque. Therefore, in the power transmission device 10, the torque transmission characteristic is set close to the lower limit of the region for generating tight corner braking phenomenon, and the traveling performance of a vehicle can be improved.