WO2007016840A1 - Transmission à variation continue automatique - Google Patents

Transmission à variation continue automatique Download PDF

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Publication number
WO2007016840A1
WO2007016840A1 PCT/CN2006/001537 CN2006001537W WO2007016840A1 WO 2007016840 A1 WO2007016840 A1 WO 2007016840A1 CN 2006001537 W CN2006001537 W CN 2006001537W WO 2007016840 A1 WO2007016840 A1 WO 2007016840A1
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WO
WIPO (PCT)
Prior art keywords
eccentric plate
eccentric
plate
continuously variable
variable transmission
Prior art date
Application number
PCT/CN2006/001537
Other languages
English (en)
French (fr)
Inventor
Haiping Liu
Original Assignee
Haiping Liu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haiping Liu filed Critical Haiping Liu
Priority to JP2008525365A priority Critical patent/JP5182817B2/ja
Priority to US11/997,747 priority patent/US8057346B2/en
Priority to EP06753085A priority patent/EP1914446A4/en
Publication of WO2007016840A1 publication Critical patent/WO2007016840A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H29/00—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action
    • F16H29/22—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action with automatic speed change
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/08—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving eccentrically- mounted or elliptically-shaped driving or driven wheel; with expansible driving or driven wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H29/00—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action
    • F16H29/12—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between rotary driving and driven members
    • F16H29/16—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between rotary driving and driven members in which the transmission ratio is changed by adjustment of the distance between the axes of the rotary members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/211—Eccentric

Definitions

  • the present invention relates to a shifting mechanism, and more particularly to an automatic continuously variable transmission. Background technique
  • Shifting mechanisms are widely used in today's bicycles, electric drive vehicles, automobiles, winders, and paper machines. These shifting mechanisms are typically gear shifting structures or clutch eccentric configurations.
  • the gear shifting structure utilizes the meshing transmission of the large and small gears to achieve the purpose of shifting. This type of transmission generates large noise and friction due to the collision of the gears, which is disadvantageous for long-term and efficient use.
  • the action process is: pulling the wire rope of 46 or 461 by the control handle, pulling 455, interlocking 454, 453, 452, 451, 431, 432; sliding the claws 431, 432 along the sliding rod 44, so that the support tube 42 is associated with
  • the gutter plate 1 relative to the fixed pipe 41, that is, the eccentricity of the clutch members 2, 2a, is adjusted to achieve the function of steering and controlling the shifting.
  • the structure of such a shifting device is complicated and needs to be adjusted manually. In the case where the power required to be input is constant and the gear ratio needs to be adjusted according to the load, for example, when the reel of the winder is continuously wound into the fabric and the load is continuously increased, the shifting device of such a configuration cannot be adapted. Summary of the invention
  • the technical problem to be solved by the present invention is the above-mentioned eccentric continuously variable transmission for the prior art.
  • a drawback of the shifting device is a simple, continuously variable transmission that automatically adjusts the amount of eccentricity to adjust the speed ratio.
  • the technical solution adopted by the present invention to solve the technical problem is: Constructing an automatic continuously variable transmission comprising a drive shaft, a drive disc driven by the drive shaft, and a clutch wheel assembly driven by the drive disc.
  • the outer surface of the driving shaft is provided with two guiding grooves parallel to each other; the driving shaft is sleeved with an eccentric plate having a notch at a position of the guiding groove, and the notch of the eccentric plate includes the guiding a groove that fits and limits a parallel segment of the eccentric plate in a direction parallel to the guiding groove; a compressible elastic adjusting structure is disposed between the inner side of the notch and the periphery of the driving shaft; Mounted on the eccentric plate by bearings, and the eccentric plate is eccentrically displaced in a vertical direction with respect to the axis of the drive shaft under adjustment of the elastic adjustment structure, and the eccentric plate drives the drive The disc is used for eccentric movement.
  • the notch of the eccentric plate further includes a circular arc segment disposed at an end of the parallel section and engaging with a circumference of the drive shaft.
  • the elastic adjusting structure is a spring or rubber provided between the inside of the notch of the eccentric plate and the periphery of the driving shaft.
  • a first groove is disposed on an inner side of the eccentric plate, and a second groove is disposed at a position of the drive shaft relative to the first groove; the spring or rubber is disposed in the first groove and the first Inside the two grooves.
  • the elastic adjustment structure includes a chamber disposed on the drive shaft, a piston fixedly coupled to the eccentric plate; and a certain pressure is filled in the chamber Gas or liquid.
  • the elastic adjustment structure includes a chamber disposed on the eccentric plate, a piston fixedly coupled to the drive shaft, and a chamber of a certain pressure of gas or liquid.
  • an inner diameter of the bearing and an outer side of the drive shaft One half of the difference in diameter is the maximum eccentricity of the drive disc.
  • the thickness of the eccentric plate on a center line parallel to the guide groove is the minimum eccentric amount of the drive plate.
  • the automatic continuously variable transmission embodying the present invention has the following beneficial effects:
  • the automatic continuously variable transmission of the present invention can compress or loosen the elastic adjusting structure according to the load, thereby automatically adjusting the eccentric amount of the eccentric plate and the driving shaft, and is driven by the eccentric plate.
  • the disc moves to adjust the eccentricity of the driving disc, and there is no need to manually adjust the eccentricity.
  • the utility model has the advantages of being able to automatically adjust the shift ratio, simple structure, effective cost reduction, reducing the failure rate, and simple operation.
  • Figure 1 is a front elevational view of the drive shaft of the automatic continuously variable transmission of the present invention
  • Figure 2 is a schematic view of the A-direction of the drive shaft of Figure 1;
  • Figure 3 is a front elevational view of the eccentric disk of the automatic continuously variable transmission of the present invention.
  • FIG. 4 is a schematic view showing the cooperation of the bearing, the eccentric plate and the driving shaft when the first embodiment of the automatic continuously variable transmission of the present invention is at the maximum eccentric amount;
  • Figure 5 is a schematic view showing the cooperation of the bearing, the eccentric plate and the driving shaft when the first embodiment of the automatic continuously variable transmission of the present invention is at the minimum eccentricity;
  • FIG. 6 is a schematic view showing the cooperation of the bearing, the eccentric plate and the driving shaft when the second embodiment of the automatic continuously variable transmission of the present invention is at the maximum eccentric amount;
  • FIG. 7 is a cross-sectional view showing a conventional eccentric continuously variable transmission
  • Figure 8 is a schematic illustration of the shifting device of the transmission of Figure 7.
  • the automatic continuously variable transmission of the present invention includes a drive shaft 10 , an eccentric plate 20 sleeved on the drive shaft 10 , and is disposed between the eccentric plate 20 and the drive shaft 10 .
  • the driving disk and the clutch wheel assembly are not limited to the structural form in the background art, and may also be other clutch-type structures.
  • the outer surface of the drive shaft 10 is provided with two guide grooves 11 which are parallel to each other.
  • the eccentric plate 20 is approximately "C" shaped and has a notch 21 that cooperates with the drive shaft 10.
  • the notch 21 includes a parallel section 22 that is fitted in parallel with the guide groove 11, and a circular arc section 23 provided at the end of the parallel section 22.
  • the elastic adjusting structure 30 is disposed between the eccentric plate 20 and the driving shaft 10 .
  • the elastic adjusting structure 30 is a spring 31. It is other elastics (such as rubber, shrapnel, etc.).
  • a first recess 24 is provided on the inner side of the eccentric plate 20, and the drive shaft 10 is opposite to the
  • the second groove 12 is provided at a position of the first groove 24; the spring 31 is disposed in the first groove 24 and the second groove 12, thereby preventing displacement of the spring 31.
  • the inner ring of the bearing 50 of the drive plate is sleeved on the eccentric plate 20, and under the action of the spring 31, the eccentric plate 20 is located at the maximum eccentric position, that is, the drive plate. Located at the position of the maximum eccentricity.
  • the drive plate rotates with the drive shaft 10 as the drive shaft 10 rotates.
  • the maximum eccentricity of the driving disc is half of the difference between the inner diameter of the bearing 50 and the diameter of the driving shaft 10, that is, the maximum eccentricity of the automatic continuously variable transmission of the present invention, which determines the automatic continuously variable transmission of the present invention. Minimum reduction ratio, maximum speed and minimum torque.
  • the automatic continuously variable transmission of the present invention is mainly used under load changing working conditions, such as an electric vehicle, a winder, and the like.
  • the constant value is the stiffness of the spring 31, that is, the load cannot compress the spring 31, so that the driving disk is maintained at the maximum eccentric amount.
  • the spring 31 is compressed, so that the eccentric plate 20 slides toward the axial direction of the drive shaft 10, so that the amount of eccentricity of the drive plate is reduced.
  • the speed ratio of the automatic continuously variable transmission increases, the speed decreases, and the torque increases.
  • the thickness of the eccentric plate 20 on the center line parallel to the guide groove 11 determines the minimum amount of eccentricity of the drive plate.
  • a second embodiment of the elastic adjusting structure 30 of the automatic continuously variable transmission of the present invention includes a chamber 13 disposed on the driving shaft 10, and a piston fixedly coupled to the eccentric plate 20. 24; filling the chamber 13 with a certain pressure of gas or liquid.
  • the chamber 13 can be arranged on the eccentric plate 20, and the piston 24 is correspondingly fixed to the drive shaft 10.
  • the piston 24 is at the farthest end, i.e., the eccentric plate 20 is at the position of maximum eccentricity, that is, the drive plate is at the maximum eccentric position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Friction Gearing (AREA)
  • Transmission Devices (AREA)

Description

自动无级变速器 技术领域
本发明涉及一种变速机构， 更具体地说， 涉及一种自动无级变速器。 背景技术
现今的脚踏车、 电力驱动车、 汽车、 卷布机、 卷纸机等机械设备中广泛 的应用了变速机构。 这些变速机构通常是齿轮变速结构或者是离合偏心式的 结构。 齿轮变速结构是利用大小齿轮的啮合传动来实现变速的目的， 这种传 动方式由于齿轮的碰撞而产生较大的噪声及摩擦， 不利于长期高效的使用。
离合偏心式的结构可以参考中国发明专利第 92105836.5号《滑块离合偏 心式无级变速器》， 如图 7、 图 8所示， 其中， 该专利中所公开的变速装置 4 包括固定管 41， 支承管 42， 轴柱 425， 掣爪 431、 432， 撑幵弹簧 433， 滑杆 44， U形促动架 45， 系绳螺钉 451， 连动件 452， 滚珠 453， 操控件 454、 455 及钢丝绳的两端头 46、 461 等零部件构成。 其作用过程是： 由控制手柄拉动 46或 461的钢丝绳， 拉动 455， 连动 454、 453、 452、 451、 431、 432； 使掣 爪 431、 432沿滑杆 44滑动， 使支承管 42， 连带径沟盘 1， 相对固定管 41， 也就是相对离合构件 2、 2a作调节偏心大小的动作， 以达到操纵和控制变速 的作用。 这种变速装置的结构复杂， 而且需要通过人工来调节。 在一些需要 输入的功率一定， 并需要根据负荷来调节变速比的场合， 例如卷布机的卷筒 不断地卷入布料时， 负荷不断的增加的场合， 这种结构的变速装置无法适应。 发明内容
本发明要解决的技术问题在于， 针对现有技术的上述偏心式无级变速器 的变速装置的缺陷， 提供一种能够自动调节偏心量来调节变速比的、 结构简 单的自动无级变速器。
本发明解决其技术问题所采用的技术方案是： 构造一种自动无级变速器， 包括主动轴， 由所述主动轴带动转动的驱动盘， 以及由所述驱动盘带动转动 的离合轮组件。 所述主动轴的外表面上开设有相互平行的两个导向槽； 所述 主动轴在所述导向槽的位置处套设有具有缺口的偏心板， 所述偏心板的缺口 包括与所述导向槽贴合、 限制所述偏心板在与所述导向槽平行的方向运动的 平行段； 在所述缺口的内侧与所述主动轴周缘之间设有可压缩的弹性调节结 构； 所述驱动盘通过轴承安装在所述偏心板上， 并且所述偏心板在所述弹性 调节结构的调节下作相对于所述主动轴轴线的垂直方向偏移的偏心运动， 同 时所述偏心板带动所述驱动盘作偏心运动。
在本发明所述的自动无级变速器中， 所述偏心板的缺口还包括在所述平 行段末端设置的、 与所述主动轴周缘配合的圆弧段。
在本发明所述的自动无级变速器中， 所述弹性调节结构为设置在所述偏 心板的缺口内侧和所述主动轴周缘之间的弹簧或者橡胶。 在所述偏心板的内 侧设有第一凹槽， 所述主动轴相对于所述第一凹槽的位置设有第二凹槽； 所 述弹簧或者橡胶设置在所述第一凹槽和第二凹槽内。
或者， 在本发明所述的自动无级变速器中， 所述弹性调节结构包括设置 在所述主动轴上的腔室、 与所述偏心板固定连接的活塞； 在所述腔室内充入 一定压力的气体或液体。 或者， 所述弹性调节结构包括设置在所述偏心板上 的腔室、 与所述主动轴固定连接的活塞； 在所述腔室内充入一定压力的气体 或液体。
在本发明所述的自动无级变速器中， 所述轴承的内径与所述主动轴的外 7 径的差值的一半为所述驱动盘的最大偏心量。 所述偏心板在与所述导向槽平 行的中心线上的厚度为所述驱动盘的最小偏心量。
实施本发明的自动无级变速器， 具有以下有益效果： 本发明的自动无级 变速器可以根据负载压缩或松开弹性调节结构， 进而自动调节偏心板与主动 轴的偏心量， 并且由偏心板带动驱动盘运动， 从而调节驱动盘的偏心量， 无 需人工来调节偏心量， 具有能够自动调节变速比、 结构简单、 有效的降低成 本、 降低故障率、 操作简便的优点。
附图说明
下面将结合附图及实施例对本发明作进一步说明， 附图中：
图 1是本发明自动无级变速器的主动轴的正面示意图；
图 2是图 1的主动轴的 A向示意图； .
图 3是本发明自动无级变速器的偏心盘的正面示意图；
图 4是本发明自动无级变速器第一实施例处于最大偏心量时的轴承、 偏 心板、 主动轴的配合示意图；
图 5是本发明自动无级变速器第一实施例处于最小偏心量时的轴承、 偏 心板、 主动轴的配合示意图；
图 6是本发明自动无级变速器第二实施例处于最大偏心量时的轴承、 偏 心板、 主动轴的配合示意图；
图 7是现有偏心式无级变速器的剖视示意图；
图 8是图 7的变速器的变速装置的示意图。
具体实施方式
如图 1至图 6所示， 本发明的自动无级变速器包括主动轴 10、 套设在所 述主动轴 10上的偏心板 20、设置在所述偏心板 20与所述主动轴 10之间的弹 性调节结构 30、 通过轴承 50安装在所述偏心板 20上的驱动盘、 以及由所属 驱动盘带动转动的离合轮组件。 其中， 所述驱动盘以及离合轮组件不限于背 景技术中的结构形式， 也可以为其他离合式的结构。
如图 1、 图 2所示， 所述主动轴 10的外表面上开设有相互平行的两个导 向槽 11。 如图 3所示， 所述偏心板 20大概为 "C"形， 具有与所述主动轴 10 配合的缺口 21。 所述缺口 21包括与所述导向槽 11平行贴合的平行段 22， 以 及在所述平行段 22末端设置的圆弧段 23。 当所述偏心板 20套设在所述主动 轴 10上时， 偏心板 20的平行段 22与主动轴 10的导向槽 11贴合， 使得所述 偏心板 20仅能在与所述导向槽 11平行的方向上运动， 而无法作相对于主动 轴 10的转动。
如图 4、图 5所示，所述弹性调节结构 30设置在所述偏心板 20与所述主 动轴 10之间， 在本实施例中， 所述弹性调节结构 30为弹簧 31， 当然也可以 是其他的弹性物（例如橡胶、 弹片等）。 为了使得所述弹簧 31 能够更好的设 置在所述偏心板 20和所述主动轴 10之间， 在所述偏心板 20的内侧设有第一 凹槽 24， 所述主动轴 10相对于所述第一凹槽 24的位置设有第二凹槽 12; 所 述弹簧 31设置在所述第一凹槽 24和第二凹槽 12内， 从而防止弹簧 31的移 位。
如图 4所示， 驱动盘的轴承 50的内环套在所述偏心板 20上， 并且在所 述弹簧 31的作用下， 所述偏心板 20位于最大的偏心位置， 也就是所述驱动 盘位于最大偏心量的位置。在所述主动轴 10转动时，所述驱动盘随主动轴 10 转动。 所述驱动盘的最大偏心量是所述轴承 50的内径与所述主动轴 10的直 径之差的一半， 也就是本发明的自动无级变速器的最大偏心量， 决定了本自 动无级变速器的最小减速比、 最大转速和最小转矩。 本发明的自动无级变速器主要用于负载变化的工作条件下， 例如电动车、 卷布机等。 在负载小于一定值时， 在本实施例中该一定值为弹簧 31的刚度， 即负载无法压缩弹簧 31， 使得驱动盘保持在最大的偏心量。 当负载大于该一 定值时， 弹簧 31受到压缩， 从而偏心板 20向主动轴 10的轴心方向滑动， 使 得驱动盘的偏心量减少。 随着驱动盘偏心量的减少， 本自动无级变速器的转 速比加大、 转速降低、 转矩加大。 在输入功率不变时， 在弹簧 31的线性变化 范围内， 随着负载的变化， 自动无级变速器的输出转速和转矩得到自动调整。
如图 5所示， 当偏心板 20的圆弧段 23的内缘压紧弹簧 31后， 碰到所述 主动轴 10的外周缘时， 是驱动盘的最小偏心量的位置， 也就是本发明自动无 级变速器的最低转速、 最大转速比和最大转矩的状态。 因此， 所述偏心板 20 在与所述导向槽 11平行的中心线上的厚度决定了所述驱动盘的最小偏心量。
如图 6所示， 是本发明的自动无级变速器的弹性调节结构 30的第二实施 例， 其包括设置在所述主动轴 10上的腔室 13、 与所述偏心板 20固定连接的 活塞 24; 在所述腔室 13内充入一定压力的气体或液体。 当然所述腔室 13可 以设置在所述偏心板 20上、 而所述活塞 24对应的固定在所述主动轴 10上。 在负载小于腔室 13内的气体或液体的压力时， 所述活塞 24处于最远端， 即 所述偏心板 20处于最大的偏心量的位置， 也就是说驱动盘处于最大的偏心位 置。 而当负载增加， 超过所述气体或液体的压力时， 推动所述活塞 24压缩所 述气体或液体， 减少偏心板 20的偏心量， 也就是减少驱动盘的偏心量， 使得 转速比加大、 转矩加大、 转速降低， 达到自动调节输出转速和转矩的效果。

Claims

权 利 要 求
1、一种自动无级变速器，包括主动轴， 由所述主动轴带动转动的驱动盘， 以及由所述驱动盘带动转动的离合轮组件； 其特征在于， 所述主动轴的外表 面上开设有相互平行的两个导向槽； 所述主动轴在所述导向槽的位置处套设 有具有缺口的偏心板， 所述偏心板的缺口包括与所述导向槽贴合、 限制所述 偏心板在与所述导向槽平行的方向运动的平行段； 在所述缺口的内侧与所述 主动轴周缘之间设有可压缩的弹性调节结构； 所述驱动盘通过轴承安装在所 述偏心板上， 并且所述偏心板在所述弹性调节结构的调节下作相对于所述主 动轴轴线的垂直方向偏移的偏心运动， 同时所述偏心板带动所述驱动盘作偏 心运动
2、 根据权利要求 1所述的自动无级变速器， 其特征在于， 所述偏心板的 缺口还包括在所述平行段末端设置的、 与所述主动轴周缘配合的圆弧段。
3、 根据权利要求 1或 2所述的自动无级变速器， 其特征在于， 所述弹性 调节结构为设置在所述偏心板的缺口内侧和所述主动轴周缘之间的弹簧或者 橡胶。
4、 根据权利要求 3所述的自动无级变速器， 其特征在于， 在所述偏心板 的内侧设有第一凹槽， 所述主动轴相对于所述第一凹槽的位置设有第二凹槽; 所述弹簧或者橡胶设置在所述第一凹槽和第二凹槽内。
5、 根据权利要求 1或 2所述的自动无级变速器， 其特征在于， 所述弹性 调节结构包括设置在所述主动轴上的腔室、 与所述偏心板固定连接的活塞； 在所述腔室内充入一定压力的气体或液体。
6、 根据权利要求 1或 2所述的自动无级变速器， 其特征在于， 所述弹性 调节结构包括设置在所述偏心板上的腔室、 与所述主动轴固定连接的活塞； 在所述腔室内充入一定压力的气体或液体。
7、 根据权利要求 1所述的自动无级变速器， 其特征在于， 所述轴承的内 径与所述主动轴的外径的差值的一半为所述驱动盘的最大偏心量。
8、 根据权利要求 7所述的自动无级变速器， 其特征在于， 所述偏心板在 与所述导向槽平行的中心线上的厚度为所述驱动盘的最小偏心量。
PCT/CN2006/001537 2005-08-08 2006-07-03 Transmission à variation continue automatique WO2007016840A1 (fr)

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JP2008525365A JP5182817B2 (ja) 2005-08-08 2006-07-03 自動無段変速装置
US11/997,747 US8057346B2 (en) 2005-08-08 2006-07-03 Automatic stepless transmission
EP06753085A EP1914446A4 (en) 2005-08-08 2006-07-03 AUTOMATIC STEP-FREE GEAR

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CN200510036495.4 2005-08-08
CNB2005100364954A CN100395468C (zh) 2005-08-08 2005-08-08 自动无级变速器

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JP4363470B2 (ja) * 2007-08-02 2009-11-11 コニカミノルタビジネステクノロジーズ株式会社 組合せ歯車、着脱ユニット、及びこれらを用いた画像形成装置
CN101408244B (zh) * 2007-10-08 2010-12-01 刘海平 机械液力无级变速器和方法、及车辆机械液力无级变速器

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US8057346B2 (en) 2011-11-15
EP1914446A4 (en) 2011-03-30
EP1914446A1 (en) 2008-04-23
CN1912424A (zh) 2007-02-14
JP5182817B2 (ja) 2013-04-17
US20080227579A1 (en) 2008-09-18
CN100395468C (zh) 2008-06-18
JP2009504996A (ja) 2009-02-05

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