CN101218733B - 具有无级变速的电齿轮箱 - Google Patents

具有无级变速的电齿轮箱 Download PDF

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CN101218733B
CN101218733B CN2006800246005A CN200680024600A CN101218733B CN 101218733 B CN101218733 B CN 101218733B CN 2006800246005 A CN2006800246005 A CN 2006800246005A CN 200680024600 A CN200680024600 A CN 200680024600A CN 101218733 B CN101218733 B CN 101218733B
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shaft
output shaft
power
transmission device
electric actuator
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CN101218733A (zh
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佐格·奥登堡
简·诺曼
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/543—Transmission for changing ratio the transmission being a continuously variable transmission
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    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K51/00—Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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    • 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
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Abstract

本发明涉及一种电传动装置，包括适于与如内燃机的控制装置连接的输入轴(10，11)。输入轴(10，11)通过电力传输装置(88，66)与输出轴(20，66)连接。其中，电力传输装置(88，66和18，26，42，44)包括与输入轴(10，11)连接的磁铁(18，42，88)，所述磁铁感应电功率进入与输出轴(20，60)连接的线圈(26，66)。利用与线圈(26，66)连接的开关装置(46，68)，产生使输出轴(20，60)旋转的磁场。

Description

具有无级变速的电齿轮箱
技术领域
本发明涉及一种无级变速的电传动装置。
背景技术
对于传统的齿轮传动装置，速度可逐步变化，采用摩擦离合器或液压离合器使齿轮在齿轮传动装置中移动。虽然这样的传动装置具有较高的机械效率，但是在很多情况下它们是不利的，比如逐步变化的速度控制不允许使用内燃机的最佳的速度范围。因此，传动装置和内燃机的高能总效率一般都相当低。
进一步地，已知有利用皮带或推动节链的无级变速传动装置。这些传动装置的优点在于它们允许无级变速控制。然而，提供皮带有一个缺点是它们经受引起它们老化的重要影响以及这样的传动装置的总效率相当低。推动节链传动装置的缺点是与齿轮传动装置相比，其最大的可传动转矩相当有限。
而且，已知有用于诸如建筑机械和拖拉机的具有低车速的机动车的静液压传动。在这些传动中，内燃机的动力转变为驱动柴油机的油流量。虽然静液压传动的机械效率相当低，但是通过与高度成熟的传动装置/发动机管理结合可以获得较好的总效率。然而，除了可获得较低的车速外，这样的传动装置还有相当高的制作成本的缺点。
由于电动机较容易控制，因此进一步已知有利用内燃机驱动发电机产生电能以及通过频率，电压和/或电流的调制控制速度的技术。由于各单个部件-内燃机、发电机、控制器和电动机-的效率相乘，因此这样的机器具有相当低的总效率。
基本原理-电机的功能性：
旋转电机是转换电能和机械能的能量转换器。电机的性能一方面由电压U 和电流I的量级决定，另一方面由转矩M和转速n决定。
发电机：
如果转子和定子之间存在差速，外部从动移动部分(转子)将电场感应到设置有线圈的固定部分(定子)中。在定子线圈中，该电场在短路发生或加载时引起电功率。通过定子中的电功率流动，产生(返回)转矩。
电动机：
相反地，定子中的电功率流动引起转子上的转矩。
发明内容
本发明的目的是提供具有高效率和宽速度范围或大传动比的无级变速电传动装置。
根据本发明的目的通过权利要求1所述的无级变速电传动装置实现。
本发明涉及一种具有高机械效率和可用于宽速度范围的无级变速电传动装置。依据本发明，消除了目前为止普遍的发电机和电动机的空间分离，并将这些部件组合成一个单元。
这里，定子不是固定地而是可旋转地被支撑。这里所描述的电传动装置，转子构造成可旋转的输入轴，定子设计成可旋转的输出轴(可以在输入侧提供转子，在输出侧提供定子，也可以在输入侧提供定子，在输出侧提供转子)。
依据本发明，输入轴与输出轴通过电力传输元件连接。这里，该电力传输元件通常设置有与输入轴连接的磁铁，该磁铁感应电功率进入与输出轴连接的线圈。如本发明所提供的，输入轴和输出轴不是彼此实际接合以将旋转运动从输入轴传输到输出轴。
或者，可以在输入轴和输出轴之间设置机械的和/或电传动装置，用于控制速度。
例如，通过打开使线圈短路的开关，转矩减小以使输出轴的速度减小。这样通过利用依赖于负载的转矩的产生而获得速度控制。这可能受到电功率变化 的影响。例如，还可以分流电功率并将其用于其他用电负载，或将其分别提供给电池或蓄电池。
优选地，开关装置包括允许频率、电压和/或电流调制的调制装置。因此，连续改变输出轴的速度成为可能。本文中特别优选地，将调制装置集成到电子开关中。
连接到输入轴的磁铁至少有一部分可以形成为螺线管。通过磁铁的电激发，可以产生不同强度的磁场。这将引起感应进入线圈的电压变化，从而影响输出轴的速度。
本发明中的电传动装置具有显著的优点，即可以获得高于90％的高总效率。进一步地，该传动装置的重量比现有的传动装置要低很多。而且，总的热损耗非常低，例如，其热损耗总计仅为那些静液压传动装置的一半。由于除润滑剂以外，该传动装置是无油操作，因此其制作成本相对较低。进一步地，特别是由于没有机械的移动过程发生，因此该传动装置是低磨损传动装置。而且，该传动装置的结构是可变的，以使其能够可靠地适用于特殊领域应用的各个速度范围。
附图说明
从以下参考附图描述的两个实施例可以明显看出以上本发明的普通的方面。
图中：
图1为本发明第一优选实施例的示意截面图；
图2为本发明第二优选实施例的示意截面图。
具体实施方式
在第一优选实施例中，本发明的电传动装置(图1)包括可与驱动装置连接的输入轴80。例如，该驱动装置可以是内燃机。
进一步地，该传动装置(或称为变速器)包括输出轴60，输入轴80和输出轴60通过电力传输装置连接。输入轴和输出轴不是实际连接的。在输入轴80和输出轴60之间建立一电场，该电场引起转矩，该转矩为拖曳转矩且依赖于负载，使输出轴60跟随输入轴80动。
由于该传动装置的拖曳转矩，就像传动装置中的所有其他机械阻力一样，始终导致输出轴60被输入轴80牵引着，因此该传动装置的机械效率被提高，如本发明提供的一样。
为了根据输入轴80的速度控制输出轴60的速度，需要依赖于负载的转矩控制。这可以通过改变电功率或通过电功率的产生来实现，后者可以被完全或部分提供给更多的用电负载或蓄电池。
电传动装置的第一优选实施例(图1)包括在输入侧由外壳84中的轴承82支撑的输入轴80。磁铁88设置在输入轴的外侧86上。
输出轴60也由轴承62支撑在外壳84中。输出轴60的一部分重叠在输入轴80上，输出轴60的围绕着输入轴80的部分形成为空心轴。在这部分中，输出轴60的内表面64设置有线圈66，线圈66位于磁铁88的对面。通过旋转输入轴80，该输入轴80可以与诸如内燃机的驱动装置连接，磁铁88感应进入线圈66的电压。各个线圈66可以由开关装置68进行短路。通过使线圈66短路产生磁场。该磁场与磁铁88相互作用，以使输出轴60旋转。
利用电力传输装置66，88，输入轴80的速度被传输到输出轴60上。这是因为在输入轴80和输出轴60之间建立了电场，该电场产生了转矩。由于这样的“拖曳转矩”，输出轴60依赖于负载跟随输入轴80动。依据本发明，这是由单个或所有的线圈66被短路实现的。输入轴60的速度可以由通过开关68仅短路单个线圈66来控制。同样地，可以用电调制开关改变流过线圈66的电流。进一步地，磁铁88可以构造成螺线管，以使它们的感应能力也是可变的。
输入轴80除了由轴承82支撑，还由输出轴60中的另一个轴承70支撑。输出轴60除了由轴承62支撑，还由支撑在输入轴80上的轴承72支撑。
输入轴和输出轴之间差速的控制：
功率传输需要在输入轴和输出轴之间存在差速。可想到用以下的控制实施例来改变可传输转矩和输出速度：
1、将定子线圈(或技术上的其他选择)和转子上的永久磁铁或不可控制的螺线管短路。
2、将定子线圈和转子上的可控制的螺线管短路。
3、转子上的永久磁铁或不可控制的螺线管以及定子线圈可以通过开关进行短路。
4、解决方案2和3的结合，例如，转子上的可控制的螺线管与定子线圈结合，也适合通过开关进行短路。
依据第二优选实施例的电传动装置(图2)包括可与驱动装置连接的输入轴11。这里，例如，所述驱动装置可以是内燃机。该传动装置还包括输出轴，输入轴和输出轴通过电力传输装置连接。对称的传动装置30-34和38支撑在输出轴内。使用包括发电机部分10和电动机部分36的分裂式转子。归因于支撑在输出轴内的同步齿轮，两个部分的旋转方向相反。发电机和电动机部分的速度和旋转方向分别与输入轴11的发电机部分和输出轴20之间或转子和定子之间的差速反向对称。
该对称是通过齿轮30，34，38获得的，所述齿轮使转子的两部分在相反的方向上旋转，被支撑在一个(或多个)轴32(或半轴)上，轴32又被支撑在输出轴20，28(或分别在定子)内。
作用于输入轴和输出轴之间，且使输出轴被输入轴带动的转矩的产生，在两个阶段受到影响：
1、在发电机部分中产生电功率，以及
2、在传动装置的电动机部分中消耗产生于发电机部分中的电功率。
传动装置的发电机部分10中的输入轴与引导同向的输出轴20的旋转方向相同。在电动机部分36内的输入轴相对于输入轴11进行反向对称运动，因而与输出轴20相反。
由功率产生引起的转矩在输出轴20上起拖曳转矩的作用，就像由电动机功率产生的转矩在输出轴20上起推力转矩的作用一样，两者在同一方向上起作用。相对于输出轴20在相同的旋转方向上起作用的两个转矩，叠加形成总转矩。
归因于同步齿轮，传动装置的发电机部分10内的输入轴的速度绝对值与传动装置的电动机部分36内的输入轴的速度绝对值成反比。因此，(假定传动装置的发电机部分和电动机部分内存在相等数量的磁铁)传动装置的发电机部分内的输入轴和输出轴之间，以及传动装置的电动机部分内的输入轴和输出轴之间的频率通常具有相同的量级，不必考虑频率本身。因此，没有必要进行频率调制(频率调制通常会降低电功率)来控制电功率。
由于传动装置的发电机部分的拖曳转矩，以及传动装置的电动机部分的推力转矩以及传动装置中所有其他的机械阻力，一般会导致输出轴20被输入轴11带动，因此通过本发明可以提高传动装置的机械效率。
电传动装置的第二优选实施例包括输入轴11。在图示的实施例中，输入轴11由外壳14内的轴承12支撑在输入侧。输入轴11具有沿周向分布在外侧的多个磁铁18。输入轴11与诸如内燃机的输入或输出装置连接。
输出轴20也由轴承22支撑于外壳14内，在相反一侧，由轴承24支撑在输入轴11上。输出轴20的一部分制成空心轴，以使输入轴11至少在配置有磁铁18的部分被输出轴20围绕。在磁铁18的对面，输出轴20承载有许多线圈26。由于磁铁18和线圈26之间发生相对运动，磁铁18感应进入线圈26的电功率，因此磁铁18和线圈26起第一电力传输装置的作用。
通过第一电力传输装置18，26，输入轴11的速度传输到输出轴20。这是因为输入轴11和输出轴20之间建立了电场，该电场产生转矩。归因于这样的“拖曳转矩”，输出轴20跟随输入轴11动，并依赖于负载。依据本发明，这可以通过将单个的或所有的线圈26短路或通过将它们与电动机部分连接实现。
在图示的第二实施例中(图2)，示出了具有至少一个或多个齿轮30的机械传动装置，这些齿轮可旋转地支撑在横向轴32上。横向轴32与输出轴20固定连接，输出轴20的这一部分也是空心的。齿轮30与设置在输入轴11前端的齿轮传动装置34啮合。
在前端齿轮传动装置34的对面，设置有与输入轴11同轴的中间轴36。中间轴36也包括与齿轮30啮合的前端齿轮传动装置38。
通过旋转输入轴11，前端齿轮传动装置34上的齿轮30的滚动速度是可变的。这将使通过横向轴32与齿轮38连接的中间轴36的速度改变。对于输出轴20的旋转，其内表面同样配置有线圈44，优选地，线圈44有规则的分布在周围上。较佳地，线圈44布置成与线圈26相同。
线圈44设置在与对面的磁铁42机械地断开(mechanically decoupled)的条件下。线圈中流过的电流产生磁场。因此产生的磁力作用于磁铁42上，并使输出轴20旋转。这形成第二电力传输装置。
例如，通过仅使一部分线圈44产生磁场或通过改变由线圈44产生的磁场的强度可以获得转矩的变化。
在图示的实施例中，提供给线圈44的电功率是利用第一电力传输装置18，26产生的，其中设置有一个或多个开关装置46。
在图示的实施例中，较佳地，除轴承12之外，输入轴11还由布置在输入轴11和输出轴20之间的轴承48支撑。
较佳地，中间轴36由配置在输出轴20内部的两个轴承50，52支撑。
将本发明的电传动装置与电动机或发电机对比，发电机部分10相当于转子，输出轴20相当于定子，不过在这里是“可旋转的定子”。因此，发电机部分10和中间轴36相当于一个分裂式转子，其两部分通过机械传动装置30，32，34连接，特别地，该机械传动装置30，32，34是对称的传动装置。在图2中，分裂式转子在左侧具有发电机部分，在右侧具有电动机部分。由于机械传动装置30，32，34，两部分的运动方向相反。因此，发电机部分和电动机部分的速度和方向是反对称的。该对称是通过在一个(或多个)轴32(或半轴)上支撑使转子的两半部分在相反的方向上旋转的齿轮30，32，34获得的，所述轴32又被支撑在输出轴20，28(或分别在定子)内。
为了根据输入轴的速度控制输出轴的速度，需要依赖于负载的转矩产生。这可以通过电功率的变化唯一获得，而不必考虑电功率的频率。通常，传动装置的发电机部分中产生的电功率完全转换成电动机功率。一般而言，仅控制电功率产生，而不调制已产生的电功率本身(以降低电功率的方式)。
输入轴和输出轴之间差速的控制：
功率传输需要输出速度低于输入速度。可想到用以下的控制实施例来改变可传输转矩和输出速度：
1、将定子线圈(或技术上的其他选择)和转子上的永久磁铁或不可控制的螺线管短路。
2、将定子线圈和转子上的可控制的螺线管短路。
3、转子上的永久磁铁或不可控制的螺线管以及定子线圈可以通过开关进行短路。
4、解决方案2和3的结合，例如，转子上的可控制的螺线管与定子线圈结合，也适合通过开关进行短路。
以上可能的控制方法1-4在传动装置的“发电机”部分中无需利用电动机部分是可行的。一般而言，通过在电动机部分中获得的以下用于控制的附加的可能性，传动装置的发电机和电动机部分都可以使用：
5、转子上可控制的螺线管。
6、永久磁铁或不可控制的螺线管。
7、由传动装置的发电机部分或由外部电源供电的部分连接的定子线圈。
还可以将电功率全部或部分放电给外部用电负载或蓄电池。进一步地，可以将该传动装置与电动机结合，所述电动机可将诸如来自蓄电池的电功率转换为转矩、输出轴的电功率和速度的附加的或唯一的来源。

Claims (14)

1.一种电传动装置，包括：
适于与驱动装置连接的输入轴(11)，
通过第一电力传输装置(18，26)与输入轴(11)连接的输出轴(20)，
所述第一电力传输装置(18，26)包括与输入轴(11)连接的磁铁(18)，所述磁铁感应电功率进入与输出轴(20)连接的线圈(26)，
与线圈(26)连接的开关装置(46)，用于产生使输出轴(20)旋转的磁力，
机械对称传动装置(30，32，34，38)，所述机械对称传动装置被支撑在输出轴(20)内并以使得输入轴(11)和中间轴(36)在彼此相反的方向上旋转的方式设置在所述输入轴(11)和所述中间轴(36)之间，以及
第二电力传输装置(42，44)，所述第二电力传输装置与中间轴(36)和输出轴(20)连接，用于改变输入轴(11)和输出轴(20)之间的旋转速度，所述第二电力传输装置包括磁铁(42)和线圈(44)，所述磁铁(42)与输出轴(20)连接并与连接到中间轴(36)的线圈(44)配合或者所述线圈(44)与输出轴(20)连接并与连接到中间轴(36)的磁铁(42)配合，用于电动地产生转矩，所述第一电力传输装置的线圈(26)通过开关装置(46)与所述第二电力传输装置的线圈(44)短路。
2.如权利要求1所述的电传动装置，其特征在于，所述机械对称传动装置(30，32，34，38)具有齿轮传动元件(30)。
3.如权利要求2所述的电传动装置，其特征在于，所述齿轮传动元件(30)是斜角状的齿轮传动装置。
4.如权利要求2所述的电传动装置，其特征在于，所述齿轮传动元件(30)通过横向轴(32)与输出轴(20)连接。
5.如权利要求4所述的电传动装置，其特征在于，所述横向轴(32)承载至少一个齿轮(30)。
6.如权利要求2-5中任一所述的电传动装置，其特征在于，所述机械对称传动装置(30，32，34，38)包括与所述至少一个齿轮传动元件(30)配合的前端齿轮传动装置(34)。
7.如权利要求1-5中任一所述的电传动装置，其特征在于，所述输入轴(11)和输出轴(20)在轴向上至少部分重叠。
8.如权利要求1-5中任一所述的电传动装置，其特征在于，所述磁铁(18)至少部分设计成螺线管。
9.如权利要求8所述的电传动装置，其特征在于，所述磁铁(18)与开关装置连接。
10.如权利要求1-5中任一所述的电传动装置，其特征在于，所述开关装置(46)包括调制装置，用于调制频率和/或电压和/或电流。
11.如权利要求10中所述的电传动装置，其特征在于，所述调制装置集成到电开关中。
12.如权利要求1-5中任一所述的电传动装置，其中，所述旋转速度的控制受依赖于负载的转矩产生影响。
13.如权利要求1-5中任一所述的电传动装置，其中，一部分或全部的电功率可以放电到其他用电负载或蓄电池。
14.如权利要求1-5中任一所述的电传动装置，其中，所述旋转速度的控制受改变电功率影响。
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EP1742336B1 (de) 2011-03-09
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WO2007003624A1 (de) 2007-01-11
BRPI0612717A2 (pt) 2010-11-30
US20090294190A1 (en) 2009-12-03

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