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1. 发明专利

JP2010206971A Power transmission device and power converter 有权
标题翻译：电力传输装置和电力转换器
公开(公告)号：JP2010206971A
公开(公告)日：2010-09-16
申请号：JP2009050615
申请日：2009-03-04
申请人： Toyota Central R&D Labs Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： WATANABE TAKAO , KIKUCHI NAOTO , ASAUMI SHU , TSUCHIYA EIJI , KITAHATA TAKESHI , FUNAHASHI MAKOTO , TAGA YUTAKA , ISHIKAWA TETSUHIRO , OKUWAKI SHIGERU
IPC分类号： H02M7/48 , B60K6/445 , B60K6/448 , B60K6/547 , B60L9/18 , B60L11/14 , B60W10/08 , B60W20/00 , H02K16/02 , H02M3/155
CPC分类号： B60L15/007 , Y02T10/645
摘要： PROBLEM TO BE SOLVED: To reduce cost by reducing the capacity of an element of a power converter without reducing a torque transmitted from an engine to a load. SOLUTION: A cranking inverter 41 converts a DC power from a battery device 42 into an AC power to be supplied to a rotor winding 30. A rectifier 93 rectifies the AC power generated in the rotor winding 30, and a generating DC-DC converter 94 converts the voltage of the DC power rectified by the rectifier 93 and outputs it. An inverter 40 for motor converts either the DC power subjected to voltage conversion by the generating DC-DC converter 94 or the DC power from the battery device 42 to the AC power, and supplies it to a stator winding 20. The capacity of inverter switching elements S11 to S16 is less than that of each of the diodes D31 to D36, converter switching element S1 and inverter switching elements S21 to S26. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过降低功率转换器的元件的容量而不降低从发动机传递到负载的扭矩来降低成本。解决方案：起动反相器41将来自电池装置42的直流电力转换成供给到转子绕组30的交流电力。整流器93对转子绕组30中产生的交流电力进行整流，并且产生DC- DC转换器94转换由整流器93整流的直流电的电压并输出。用于电动机的逆变器40将通过发电DC-DC转换器94进行电压转换的直流电力或来自电池装置42的直流电力转换为交流电力，并将其提供给定子绕组20.变换器开关的容量元件S11至S16小于二极管D31至D36，转换器开关元件S1和逆变器开关元件S21至S26的元件。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2006316894A Controller for vehicular drive unit 有权
标题翻译：车辆驱动单元控制器
公开(公告)号：JP2006316894A
公开(公告)日：2006-11-24
申请号：JP2005140138
申请日：2005-05-12
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TABATA ATSUSHI , TAGA YUTAKA , INOUE YUJI , KAMATA JUNJI
IPC分类号： F16H61/02 , B60K6/365 , B60K6/445 , B60K6/547 , B60K17/04 , B60L11/14 , B60W10/04 , B60W10/08 , B60W10/10 , B60W10/11 , B60W10/115 , B60W10/12 , B60W20/00 , F02D29/00 , F02D29/02 , F16H3/62 , F16H3/66 , F16H3/72 , F16H59/68 , F16H61/68 , F16H61/684 , F16H61/686
CPC分类号： F16H3/728
摘要： PROBLEM TO BE SOLVED: To provide a controller capable of miniaturizing a drive unit, or improving fuel consumption in regard to a vehicular drive unit provided with a differential mechanism, an electric motor provided in the differential mechanism, and a stepped type automatic transmission. SOLUTION: By providing a change-over brake BO, a transmission mechanism 10 is changed between a variable speed state, and a stepped speed-change state, and the drive unit is provided with both advantages of a fuel consumption improving effect of a transmission electrically changing gear ratios, and the high transmission efficiency of a gear type transmission mechanically transmitting power. Since the speed change of a stepped speed-change part 20 is carried out by using a speed stage established by the engagement of hydraulic frictional engagement devices (C1 and C2) receiving inputs from a transmission member 18 by a stepped speed-change control means 54 when a variable speed change part 11 is in the variable speed state, the transmission mechanism 10 as a whole is in the variable speed state, and fuel consumption performance of the vehicle can be secured. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种能够使驱动单元小型化或者提高具有差速机构的车辆用驱动单元的燃料消耗的控制器，设置在差速机构中的电动马达和阶梯式自动传输。解决方案：通过提供转换制动器BO，变速机构10在变速状态和阶梯变速状态之间变化，并且驱动单元具有燃料消耗改善效果的两个优点变速器电气变速比，以及齿轮式变速器机械传递动力的高传动效率。由于通过使用通过阶梯式变速控制装置54接收来自变速部件18的输入的液压摩擦接合装置（C1和C2）的接合而建立的速度级来进行阶梯式变速部20的变速。当变速部11处于变速状态时，变速机构10整体处于变速状态，能够确保车辆的燃料消耗性能。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006118667A Controller for vehicular drive mechanism 有权
标题翻译：用于车辆驱动机构的控制器
公开(公告)号：JP2006118667A
公开(公告)日：2006-05-11
申请号：JP2004309352
申请日：2004-10-25
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TABATA ATSUSHI , TAGA YUTAKA
IPC分类号： F16H61/00 , B60K6/445 , B60K6/543 , B60K6/547 , B60L7/14 , B60L7/24 , B60L11/14 , B60L15/20 , B60W10/02 , B60W10/04 , B60W10/06 , B60W10/08 , B60W10/10 , B60W10/105 , B60W10/11 , B60W10/115 , B60W10/18 , B60W20/00 , F02D29/00 , F02D29/02 , F16H59/14 , F16H59/42 , F16H59/44 , F16H59/74 , F16H61/02 , F16H61/68 , F16H61/684 , F16H61/686 , F16H63/40
CPC分类号： Y02T10/52 , Y02T10/6239 , Y02T10/6286 , Y02T10/7077 , Y02T10/7275
摘要： PROBLEM TO BE SOLVED: To provide a vehicular drive mechanism capable of miniaturizing a drive mechanism or improving fuel consumption, and to provide a controller capable of improving fuel consumption during vehicle deceleration. SOLUTION: By providing a change-over clutch CO or a change-over brake BO, a transmission mechanism can be changed between a variable speed state and a stepped speed state, and the driving mechanism provided with both advantages of a fuel consumption improving effect of a transmission electrically changing a gear ratio, and a high transmission efficiency of a gear type transmission mechanically transmitting power can be provided. Since a power distribution mechanism is changed to a differential state by a change-over control means 50 when it is judged that regenerative braking control is possible by a regenerative control possibility determining means 84, and engine turning stoppage is possible by an engine turning stoppage possibility determining means 82, a speed ratio γ of an automatic speed change part 20 is controlled such that a regenerative efficiency becomes optimum by a regenerative efficiency optimizing control means 86 on the basis of a regenerative efficiency of a second motor M2 and a loss L of a first motor M1 to improve fuel consumption. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种能够使驱动机构小型化或提高燃料消耗的车辆用驱动机构，提供能够提高车辆减速时的燃料消耗的控制器。解决方案：通过提供转换离合器CO或转换制动器BO，可以在变速状态和阶梯式转速状态之间改变变速机构，并且具有燃料消耗的两个优点的驱动机构可以提供改变传动比的变速器的改进效果，以及齿轮式变速器机械传动动力的高传动效率。由于当通过再生控制可能性确定装置84判断再生制动控制是可能的时，由转换控制装置50将功率分配机构改变为差速状态，并且通过发动机转动停止可能性可能发动机转动停止确定装置82，根据第二电动机M2的再生效率和第二电动机M2的损耗L，通过再生效率优化控制装置86控制自动变速部20的转速比γ，使得再生效率变为最佳第一马达M1提高油耗。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2006062569A Controller of driving device for vehicle 有权
标题翻译：车辆驾驶装置控制器
公开(公告)号：JP2006062569A
公开(公告)日：2006-03-09
申请号：JP2004248837
申请日：2004-08-27
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TABATA ATSUSHI , TAGA YUTAKA
IPC分类号： B60W10/04 , B60W20/00 , B60K6/365 , B60K6/445 , B60K6/543 , B60K6/547 , B60K17/04 , B60L15/20 , B60W10/02 , B60W10/06 , B60W10/08 , B60W10/10 , B60W10/105 , B60W10/11 , F02D29/02 , F02D29/06 , F16H3/66 , F16H3/72
CPC分类号： Y02T10/6239 , Y02T10/7275
摘要： PROBLEM TO BE SOLVED: To provide a controller capable of miniaturizing a driving device, improving fuel consumption and preventing occurrence of shock when a driving mode is switched. SOLUTION: This controller comprises: a differential status switching means 64 for switching a differential status that a differential mechanism 24 is operable as an electric continuously variable speed change gear and a non-differential status that a change gear ratio is fixed; and a driving force source switching means 63 for switching the driving force source of a vehicle. When a switching request by the differential status switching means 64 and a switching request by the driving force source switching means 63 are simultaneously generated, the control of either of them is performed in advance so that it is possible to prevent the status switching of the differential mechanism 24 and the switching of the driving mode from being overlapped, and to suitably prevent the generation of shock due to this. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够使驱动装置小型化的控制器，改善燃料消耗并防止在切换驱动模式时发生冲击。解决方案：该控制器包括：差速状态切换装置64，用于切换差速机构24作为电动无级变速齿轮和变速比固定的非差动状态的差动状态; 以及用于切换车辆的驱动力源的驱动力源切换装置63。当通过差分状态切换装置64的切换请求和驱动力源切换装置63的切换请求同时产生时，其中任何一个的控制被预先执行，使得可以防止差分的状态切换机构24和驱动模式的切换被重叠，并且适当地防止由此引起的冲击的产生。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2006044582A Control device of driving device for vehicle 有权
标题翻译：车辆驱动装置的控制装置
公开(公告)号：JP2006044582A
公开(公告)日：2006-02-16
申请号：JP2004231393
申请日：2004-08-06
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TABATA ATSUSHI , TAGA YUTAKA
IPC分类号： B60W10/04 , B60K6/365 , B60K6/445 , B60K6/543 , B60K6/547 , B60L11/14 , B60W10/06 , B60W10/08 , B60W10/10 , B60W10/105 , B60W10/11 , B60W10/115 , B60W20/00 , F02D13/08 , F02D15/00 , F02D17/00 , F02D17/02 , F02D29/00 , F02D29/02 , F02D45/00 , F16H3/72 , F16H59/74 , F16H61/00 , F16H61/68 , F16H61/684 , F16H61/686
CPC分类号： Y02T10/6239 , Y02T10/6286 , Y02T10/7077
摘要： PROBLEM TO BE SOLVED: To provide a driving device for a vehicle that can be made small-sized or improve fuel consumption and to provide a control device which can further improve the fuel consumption by regeneration. SOLUTION: Provided is the driving device which has a transmission mechanism 10 switched between a non-step speed change state and a stepped speed change state by being equipped with an engaging device (changeover clutch CO or changeover brake BO) to have advantages of both fuel consumption improvement effect of a change gear whose speed change ratio is electrically changed and high transmission efficiency of a gear type power transmission device mechanically transmitting power. A regeneration-time in-cylinder pressure variation suppression state control means 82 controls the in-cylinder pressure variation suppression state of an engine 8 based upon which of the non-step speed change state and constant speed change state a non-step speed change part 11 is switched to in regeneration control of the vehicle, so a regeneration quantity in vehicle speed reduction in an accelerator-OFF state is properly obtained matching the speed change state of the non-step speed change part 11 to improve fuel consumption. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种可以制造小型化或提高燃料消耗的车辆的驱动装置，并提供一种能够通过再生进一步提高燃料消耗的控制装置。解决方案：通过配备有接合装置（转换离合器CO或转换制动器BO），具有在非步进变速状态和阶梯式变速状态之间切换的变速机构10的驱动装置，具有优点改变速度变化率的变速器的燃料消耗改善效果和机械传递动力的齿轮式动力传递装置的高传动效率。再生时间缸内压力变化抑制状态控制装置82基于哪个非步进变速状态和恒定速度变化状态来控制发动机8的缸内压力变化抑制状态，而非步进变速部分 11被切换到车辆的再生控制，因此适当地获得与非步进变速部11的变速状态相匹配地获得加速器OFF状态下的车速降低的再生量，以提高燃料消耗。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2006002913A Controller of driving gear for vehicle 有权
标题翻译：车辆驱动齿轮控制器
公开(公告)号：JP2006002913A
公开(公告)日：2006-01-05
申请号：JP2004182244
申请日：2004-06-21
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TABATA ATSUSHI , TAGA YUTAKA
IPC分类号： F16H61/02 , B60K6/445 , B60K6/547 , B60K17/04 , B60L11/14 , B60W10/06 , B60W10/08 , B60W10/10 , B60W10/18 , B60W20/00 , F16H3/72 , F16H59/38 , F16H59/44 , F16H59/70 , F16H59/74 , F16H61/68 , F16H61/684 , F16H61/686 , F16H63/50
CPC分类号： F16H3/728
摘要： PROBLEM TO BE SOLVED: To provide a controller of a driving gear for a vehicle capable of controlling the revolution of engine revolving speed in the condition where the bad influence is not given to the durability of the bearing of the first element, although the revolution of the first element is controlled or the engine brake power is enlarged during deceleration running. SOLUTION: A switching control means 50 makes the power distribution mechanism 16 in the lock condition by a switching clutch C0 when the output shaft revolving speed N IN of the power distribution mechanism (differential gear device) 16 becomes more than the fixed value A at the time of deceleration running of the vehicle and the power distribution mechanism 16 makes the differential gearing condition by the switching clutch C0 when the output shaft revolving speed N IN of the power distribution mechanism 16 becomes less than the fixed value A. Hereby, the occurrence of the revolving loss is controlled by dragging an engine 8 and the regeneration of high efficiency is obtained and the fuel efficiency is improved, beside the lowering of the durability of the bearing that supports a sun gear S1 etc. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了在不对第一元件的轴承的耐久性造成不良影响的条件下提供能够控制发动机转速的转速的车辆的驱动齿轮的控制器，尽管控制第一元件的转速或在减速行驶期间发动机制动功率增大。解决方案：当动力分配机构（差动齿轮装置）的输出轴转速N IN 时，切换控制装置50通过切换离合器C0使配电机构16处于锁定状态， 16变得比车辆减速行驶时的固定值A大，并且当动力分配机构16的输出轴转速N IN 时，配电机构16通过切换离合器C0进行差动齿轮运转状态动力分配机构16变得小于固定值A.因此，通过拖动发动机8来控制旋转损失的发生，并且获得高效率的再生并且提高燃料效率，除了降低支撑太阳齿轮S1等的轴承。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005344850A Control device for vehicular running gear 有权
标题翻译：用于车辆行驶齿轮的控制装置
公开(公告)号：JP2005344850A
公开(公告)日：2005-12-15
申请号：JP2004165806
申请日：2004-06-03
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TABATA ATSUSHI , TAGA YUTAKA
IPC分类号： B60K1/02 , B60K5/08 , B60K6/365 , B60K6/387 , B60K6/445 , B60K6/54 , B60K6/547 , B60L11/14 , B60W10/02 , B60W10/04 , B60W10/08 , B60W10/10 , B60W10/11 , B60W10/115 , B60W20/00 , F16H3/72 , F16H59/38 , F16H59/68 , F16H61/04 , F16H61/32 , F16H61/68 , F16H61/684 , F16H61/686 , B60K6/04
CPC分类号： B60K6/445 , B60K1/02 , B60W10/02 , B60W10/101 , B60W10/11 , B60W20/11 , B60W30/182 , F16H3/728 , F16H2037/0873 , F16H2200/0043 , F16H2200/0047 , F16H2200/201 , F16H2200/2012 , Y02T10/6239 , Y10T477/20 , Y10T477/26
摘要： PROBLEM TO BE SOLVED: To provide a control device for suppressing shifting shock when performing shift control of a vehicular running gear which has a differential mechanism for functioning as a shifting mechanism with differential operation and a stepped automatic transmission. SOLUTION: The shifting mechanism 10 has a power distributing mechanism 16 consisting of a change-over clutch CO and a change-over brake BO for selectively changing over a variable speed part 11 between a differential condition where electric variable speed operation is permitted and a non-differential condition where the electric variable speed operation is prohibited. In stepped shift control of the shifting mechanism 10 during stepped shift travel, a rotating speed synchronous control means 82 uses first and second motors M1, M2 for performing synchronous control of the rotating speeds of a first rotating element RE1 to a third rotating element RE3 of the power distributing mechanism 16 with those of the first rotating element RE1 to the third rotating element RE3 after shifting completion. This suppresses the shifting shock of the shifting mechanism 10. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种控制装置，用于当执行具有差速机构的车辆行驶齿轮的换档控制时，用于抑制换档冲击，该差速机构用作具有差速运行和有级自动变速器的换档机构。解决方案：换挡机构10具有动力分配机构16，该动力分配机构16由转向离合器CO和转换制动器BO组成，用于在允许电动变速操作的差动状态之间选择性地变换变速部11 以及禁止电动变速操作的非差动状态。在阶梯式换挡行驶期间，在变速机构10的阶梯式变速控制中，转速同步控制机构82使用第一，第二电动机M1，M2进行第一旋转元件RE1〜第三旋转元件RE3的转速的同步控制动力分配机构16与第一旋转元件RE1至第三旋转元件RE3的动力分配机构16在变换完成之后。这就抑制了换档机构10的转移冲击。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005321056A Control device of drive unit for vehicle 有权
标题翻译：车辆驱动单元的控制装置
公开(公告)号：JP2005321056A
公开(公告)日：2005-11-17
申请号：JP2004140386
申请日：2004-05-10
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TABATA ATSUSHI , TAGA YUTAKA
IPC分类号： B60W20/00 , B60K6/445 , B60K6/543 , B60K6/547 , B60L11/14 , B60W10/10 , F16H3/66 , F16H3/72 , B60K6/04
CPC分类号： Y02T10/6239 , Y02T10/7077
摘要： PROBLEM TO BE SOLVED: To provide a control device of a drive unit for a vehicle, provided with a differential mechanism, and a stepped transmission between the differential mechanism and drive wheels, in which the input rotation direction to the stepped transmission is not inverted in backward travel to give sufficient allowance for backward torque. SOLUTION: The output rotation direction from the stepped transmission 20 is inverted to the input rotation direction to the stepped transmission 20 by a stepped transmission control means 54 for forming a backward gear ratio. The input rotation direction to the stepped transmission 20 in backward travel is set to be the same as that in forward travel, so that a state undesirable in designing the stepped transmission 20 is avoided. A power distribution mechanism 16 provided with a changing clutch CO to change between a differential state and a non-differential state is provided to be changed to the differential state or the non-differential state based on the kind of a drive power source for backward travel, that is either of an engine 8 and a motor M1 or M2, or combination of them, thereby proper drive torque is secured in backward travel. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有差速机构的车辆用驱动单元的控制装置，以及在差速机构与驱动轮之间的阶梯式变速器，其中向阶梯式变速器的输入旋转方向为在后退行驶中不反转，以提供足够的后退扭矩余量。解决方案：通过用于形成后向传动比的阶梯式变速器控制装置54，来自阶梯式变速器20的输出旋转方向被转换成与阶梯式变速器20的输入旋转方向。向后行驶中的阶梯式变速器20的输入旋转方向被设定为与向前行驶相同，从而避免了在阶梯式变速器20的设计中不期望的状态。设置有在差动状态和非差动状态之间变化的变速离合器CO的动力分配机构16根据用于向后行驶的驱动动力源的种类而变化为差动状态或非差动状态，即发动机8和电动机M1或M2，或它们的组合，从而在向后行驶中确保适当的驱动转矩。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005319924A Control device for vehicle driving device 有权
标题翻译：车辆驾驶装置的控制装置
公开(公告)号：JP2005319924A
公开(公告)日：2005-11-17
申请号：JP2004140387
申请日：2004-05-10
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TABATA ATSUSHI , TAGA YUTAKA
IPC分类号： B60W20/00 , B60K6/445 , B60K6/54 , B60K6/547 , B60K17/04 , B60L11/14 , B60W10/10 , F02D29/02 , F16H3/66 , F16H3/72 , F16H59/02 , F16H61/02 , B60K6/04
CPC分类号： F16H3/728 , Y02T10/6239 , Y02T10/7077 , Y02T10/76
摘要： PROBLEM TO BE SOLVED: To provide a control device capable of enhancing fuel economy during motor travelling only by a motor in a vehicle driving device with a differential mechanism functioning as a transmission mechanism by a differential action. SOLUTION: A power distributing mechanism 16 configured to be selectively switchable between a differential condition and a non-differential condition by being provided with a switching clutch C0 and switching brakes B0 can be switched in the differential condition by a switching control means 50 during the motor travelling only by the motor, for example, a second motor M2, while an engine 8 is stopped. Accordingly, the rotational speed N E of the engine can be kept approximately at zero by the differential action of the power distributing mechanism 16, and the drag of the engine 8 not being operated can be suppressed. Thus, the fuel economy can be enhanced. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种控制装置，其能够仅通过车辆用驱动装置中的电动机进行电动机行驶时的燃料经济性的提高，差速机构通过差动作用作为变速机构。解决方案：通过设置切换离合器C0和切换制动器B0，能够在差动状态和非差速状态之间选择性地切换的动力分配机构16可以通过切换控制装置50在差速状态下切换在马达仅通过马达行驶时，例如，在发动机8停止的情况下，第二马达M2。因此，通过动力分配机构16的差动作用，发动机的转速N E 可以保持大致为零，并且可以抑制不工作的发动机8的阻力。因此，可以提高燃料经济性。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2005240917A Control device for vehicle drive device 有权
标题翻译：车辆驱动装置的控制装置
公开(公告)号：JP2005240917A
公开(公告)日：2005-09-08
申请号：JP2004052211
申请日：2004-02-26
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TABATA ATSUSHI , TAGA YUTAKA
IPC分类号： B60K6/365 , B60K6/445 , B60K6/547 , B60L11/14 , B60W10/10 , B60W20/00 , F16H3/72 , F16H59/44 , F16H59/70 , F16H59/74 , F16H61/02 , F16H61/12 , F16H61/68 , F16H61/684 , F16H61/688 , F16H63/50 , B60K6/04
CPC分类号： Y02T10/6239 , Y02T10/7077
摘要： PROBLEM TO BE SOLVED: To provide a drive device capable of switching between a continuously variable transmission state in which the device functions as an electrically continuously variable transmission and a stepped transmission state in which the device functions as an electrically stepped transmission, and a control device for a vehicle drive device capable of appropriately switching between the continuously variable transmission state and the stepped transmission state and improving fuel efficiency further. SOLUTION: A transmission state switching type transmission mechanism 10 switchable between a continuously variable transmission state in which the device is operable as an electrically continuously variable transmission and a stepped transmission state in which the device is operable as an electrically stepped transmission, is optionally switched between the continuously variable transmission state and the stepped transmission state by a switching control means 50 on the basis of which one of travels in the continuously variable transmission state and the stepped transmission state offers better fuel efficiency rate f. By so doing, an appropriate travel can be obtained while improving a fuel efficiency further. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种驱动装置，其能够在其中该装置用作电连续变速器的无级变速器状态和该装置用作电气阶梯式变速器的阶梯式传动状态之间切换，以及能够适当地切换无级变速传动状态和阶梯式传动状态的车辆驱动装置的控制装置，并进一步提高燃料效率。解决方案：一种可在能够作为电气无级变速器操作该装置的无级变速器状态和该装置作为电气阶梯式变速器操作的阶梯式变速器状态之间切换的变速器状态切换式变速机构10，可选择地通过切换控制装置50在无级变速器传动状态和阶梯式传动状态之间切换，基于无级变速器状态和阶梯式传动状态中的行程之一提供更好的燃料效率f。通过这样做，可以进一步提高燃料效率，从而获得适当的行程。版权所有（C）2005，JPO＆NCIPI

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