CN1754712A - 电动车轮用轮毂单元以及具有该轮毂单元的交通工具 - Google Patents
电动车轮用轮毂单元以及具有该轮毂单元的交通工具 Download PDFInfo
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Abstract
一种电动车轮用轮毂单元,具有马达(9)和轮毂(7),所述马达(9)具有定子(3)和转子(4),所述轮毂(7),在其内部容纳有马达(9)并通过转子(4)的旋转而被旋转驱动,在所述电动车轮用轮毂单元上,设有随着所述轮毂(7)的旋转而排出轮毂(7)内的空气的泵(8),同时通过随着泵(8)的工作而排出轮毂(7)内的空气,从设在轮毂(7)上的通气孔(59)吸入外部空气并提供给马达(9),从而冷却马达(9),能可靠地防止马达的过热。这种电动车轮用轮毂单元,可提高对助力自行车轮毂单元的马达的冷却效果。
Description
技术领域
本发明涉及一种电动车轮用轮毂单元以及具有该轮毂单元的助力自行车和轮椅等交通工具。
背景技术
以往,例如特表2002-514550号公报中所公开的电动自行车,在自行车的轮毂上安装有组装了马达等的轮毂单元,在自行车的脚蹬子上作用了超过规定值的负荷时,即可驱动马达,即使是陡坡也可以轻松地行驶,。
上述轮毂单元,由于向马达通电而产生热量。马达过热就不能以较高的力矩使马达旋转,所以需要设法使马达散热。
然而,专利文献1中的结构,其马达外壳以密封状态包围定子,所以定子不能有效地散热。
因此,在轮毂内容纳冷却液,从外侧冷却马达外壳,抑制线圈发热。在轮毂内容纳冷却液的情况下,需要防止泄漏,这就造成了成本增加。还因此增加了冷却液那部分重量。
发明内容
本发明是要提供一种可以提高马达的冷却效果、防止温度升高的轮毂单元以及具有该轮毂单元的交通工具。
本发明的电动车轮用轮毂单元具有马达和轮毂,所述马达具有定子和转子,所述轮毂,在其内部容纳该马达并通过转子的旋转而被驱动旋转,其特征是:设有随着所述轮毂的旋转将外部空气吸入到轮毂内而冷却马达的马达冷却装置。
优选在所述轮毂上设有固定用支撑轴,该固定用支撑轴在轮毂的旋转中心轴上以相对马达外壳呈固定的状态向外侧凸出设置并凸出到轮毂的外侧,在该固定用支撑轴的附近设有吸入外部空气的通气孔。
优选所述通气孔与管子连接,该管子的端部延伸设置在电动车的水不能进入的地方。
优选在所述轮毂上形成泵机构,该泵机构通过在马达外壳的外周上形成的凸出部而被操作,排出轮毂内的空气。
优选所述定子,是通过用螺栓紧固夹着积层金属板相对设置的一对端板而构成,定子的外周面,在端板间向轮毂的内面开放。
优选在轮毂内容纳有通过转子的旋转而工作的行星齿轮机构,在轮毂内面设置有与行星齿轮机构的行星齿轮啮合的内齿。
如本发明所述,利用随着轮毂的旋转而吸入的外部空气,可以自动而有效地冷却马达,能可靠地防止马达的过热。
不需要向以往那样向轮毂内加入冷却液,抑制线圈的过热。可以省略马达外壳的筒壁,还有,不需要加入冷却液的程序,可以降低生产成本。还可以相应地减轻省略了该筒壁以及冷却液的重量。进而可以因没有筒壁而相应地加大定子的外径,提高旋转驱动力。
附图说明
图1是电动助力自行车的主视图。
图2是轮毂单元的截面图。
图3是从其它方向看轮毂单元的截面图。
图4是从其它方向看轮毂单元的截面图。
图5是积层金属板的分解立体图。
图中:2-轮毂单元,3-定子,4-转子,5-马达外壳,6-行星齿轮减速机构,7-轮毂,8-泵,9-马达,31-积层金属板,59-通气孔。
具体实施方式
图1表示具有本发明的轮毂单元2的电动助力自行车1的一个例子。
在助力自行车1的前叉12的前端安装有轮毂单元2,前车轮11的轮圈13和轮毂单元2通过车条14、14连接。
在座椅柱15和后车轮之间设置有电池17。在脚蹬子18的踏踩力作用之处设置有传感器(未图示),该传感器在脚蹬子的负荷达到一定值时,从电池17向轮毂单元2的马达9通电。
轮毂单元2基本上与现有例相同,包括:具有定子3和转子4的马达9、在其内部收容该马达9并通过马达9的旋转而被旋转驱动的轮毂7、和在轮毂的旋转中心轴上相对马达外壳5呈固定状态凸出设置并凸出到轮毂7外侧的固定用支撑轴57。
如图5所示,定子3的积层金属板31,通过积层规定张数的冲压金属板31a而形成。冲压金属板31a在环的内周上,沿圆周方向等间隔地面向环的中心凸出设置了多个、在实施例中是12个T字形的凸部31b。
在积层金属板31的相位所对齐的每个积层凸部31b上设置有线圈32。以往,积层金属板31,是在用冲压模具对金属板材冲压形成冲压金属板31a的同时,保持冲压时的状态层叠而形成。
因此,在各个冲压金属板31a上产生的毛刺,都在相邻的冲压金属板31a、31a之间的位置上。
一个冲压金属板31a上,在圆周方向上产生同样的毛刺时,一块积层金属板31的厚度相同。
但这几乎是不可能的,观察一块冲压金属板31a,毛刺的位置在圆周方向上是不一样的。此时,如果仅积层连续冲压的冲压金属板31a,则一块积层金属板31的厚度是0.1~0.3mm左右,产生厚度大的部分和厚度小的部分。
基于后述的理由,需要控制在积层金属板31上产生厚度大的部分和厚度小的部分。因此,将积层金属板31分为由单位张数的冲压金属板31a构成的多个单位体31c,各单体错开一定的角度并重合在一起。
在实施例中,以单位体31c的个数除以360°所得到的角度顺序错开而形成积层金属板31。例如,在单位体31c的个数是3个时,将3个单位体31c分别错开120°,并在各积层的凸部31b上缠绕线圈32。
所述积层金属板31的形成,是在对金属板材冲压而形成冲压金属板31a并积层时,只以单位体31c的张数冲压出冲压金属板31a,按单位体31c将金属板在水平面内旋转规定的角度,实施例中是旋转120°,这样,可简单地形成。
另外,冲压金属板31a向内的凸部31b的个数,仅限于可以用单位体31c的个数整除的个数。
在上述定子3内,设置有可同定子3同心旋转的转子4。旋转轴41以可与积层金属板42一体旋转的方式贯通圆形的积层金属板42的中心而形成转子4。
在积层金属板42的外周部,与该旋转轴41平行地设置有多个永久磁铁43,该永久磁铁43在积层金属板42的圆周方向以S极和N极交互的方式等间隔地设置。
一对第一、第二端板51、52从定子3的轴方向夹持所述定子3的积层金属板31,用贯通积层金属板31的外周部的多个紧固螺栓53紧固两端板51、52,构成马达9的外壳5。可在从两端板51、52的外周凸出形成凸缘状凸出部54,用紧固螺栓53实施对两端板51、52的紧固,第二端板52的凸缘状凸出部54具有后述的对泵8进行操作的凸轮的作用。
定子3的积层金属板31,具有以一定间隔固定第一端板51和第二端板52的作用。
第一端板51和第二端板52,分别在中央部内侧具有轴承58、58,以两轴承58、58作为支撑所述转子4的旋转轴41两端的轴承。
在第一端板51的中央外侧凸出设置有轴套56,并凸出设置有贯通该轴套56伸向外部的固定用支撑轴57。在固定用支撑轴57上装有外螺纹57b。59是在第一端板51上形成的通气孔,其连通马达外壳5的内部和外部,随着后述的泵8的工作而排出马达外壳5内的空气,可向马达9供应外部空气,从而冷却马达9。图中未表示的管子连接所述通气孔59,该管子的另一端固定在电动助力自行车1的水不易进入管子内的位置上。
在第二端板52的外侧设置有减速机构,用于将所述转子4减速后传递给轮毂7。
实施例的减速机构是行星齿轮减速机构6。
行星齿轮减速机构6的行星齿轮支撑架61,面向第二端板52在圆周方向等间隔地凸出设置有3根筒状脚部62,该脚部62与第二端板52接触,通过贯通该脚部62的螺栓63被固定在第二端板52上。
在第二端板52和行星齿轮支撑架61之间,在第二端板52的圆周方向上等间隔地设置有3根支撑轴64,各支撑轴64可旋转地支撑行星齿轮65。
行星齿轮65在第二端板52侧和相反一侧分别同轴形成大齿轮65a和小齿轮65b。
行星齿轮65的大齿轮65a与形成在所述转子4的旋转轴41端部的太阳齿轮60啮合。行星齿轮65的小齿轮65b与后述的轮毂7的盖板72上的内齿66a啮合。
在行星齿轮支撑架61的中央部内面上形成轴套67,固定用支撑轴57a贯通该轴套67的中心向外部凸出设置。在固定用支撑轴57a上形成有外螺纹57b。
轮毂7的底面中央具有开口,并由相反一侧全面开口的略呈杯状的轮毂主体71、和通过覆盖该全面开口的盖板72构成轮毂7。
轮毂主体71被所述马达外壳5和行星齿轮减速机构6覆盖,在底面开口70和所述马达外壳5的第一端板51上的轴套56之间装有轴承73。在轮毂主体71d的内面,用固定螺钉固定环体66,该环体66与所述固定用支撑轴57同心,在该环体66的内面形成有与所述行星齿轮65啮合的内齿66a。
所述行星齿轮支撑架61上的固定用支撑轴57a,贯通所述轮毂主体71向外部伸出。在轮毂主体71和固定用支撑轴57a之间装有轴承75。
在轮毂主体71的外周面两侧,凸出设置环绕轮毂主体71一周的周壁74,在该周壁74上沿圆周方向规则地开设有前叉安装孔74a。
盖板72覆盖轮毂主体71的开口,并通过多根螺栓76固定在轮毂主体71上。
8是固定在所述轮毂主体71上的泵,与所述第二端板52的凸缘状凸出部54形成的位置相对设置,随着轮毂7的旋转,在第二端板52的凸缘状凸出部54的操作下,排出轮毂7内的空气。
在图2中,转子4的旋转轴41、马达外壳5的第一端板51上的固定用支撑轴57、贯通轮毂7的盖板72的固定用支撑轴57a被设置在一条直线上。
还有,在用固定螺钉固定2个把两个固定用支撑轴57、57a固定在自行车的前叉12上时,图2中左下斜线部分为固定部分,右下斜线部分为旋转部分。
这样,在给自行车踏板18施加的负荷超过一定值时,电池17向定子3的线圈32供电,转子4旋转。
通过转子4的旋转,旋转轴41前端的太阳齿轮60也旋转,在行星齿轮65的定位置旋转。行星齿轮65的旋转,通过内齿66a减速传递给轮毂7,从而旋转驱动前车轮11。
随着轮毂7的旋转,泵8通过排出轮毂7内的空气而从通气孔59向马达5供应外部空气,冷却马达5以防止马达5过热。
通过转子4的电动旋转,可以减轻对踏板的踏踩力,使自行车行驶。因向线圈32通电而使线圈32发热,定子3携带热量。但是,由于没有以往例那样的妨碍定子3散热的马达外壳5的筒壁,所以,定子3即使携带热量也可以从夹持定子3的一对端板51、52间的开口处直接向马达外壳5外排放热量。因此,不用像以往例那样在轮毂7内容纳冷却液,就可以防止线圈32过热。
进而,通过从通气孔59向马达5供应的外部空气,进一步促进了定子3的冷却,并可以可靠地防止线圈32过热。
可以省去马达外壳5的筒壁,另外,不需要容纳填充冷却液的麻烦,所以可以降低制造成本。另外,还可以通过省去该筒壁和冷却液相应地减轻重量。
还有,由于没有筒壁,可以使定子3的外径相应地加大,所以可以提高旋转驱动力。
在上述实施例中,在定子3的积层金属板31上如果在圆周方向产生厚度大小不均,则两端板51、52的平行度公差就会过大。平行度公差过大会使两端板51、52上的轴承58、58承载的转子4的旋转轴41产生扭曲力,妨碍转子4平稳旋转。因此,如果在这种情况下像本发明那样,用一对端板51、52夹持定子3的积层金属板31,如向积层金属板31的积层方向施加螺钉的推力那样,用固定螺栓53紧固两端板51、52就出现问题。
但是,如上所述,在实施例中,将定子3的积层金属板31,即将积层了单位张数的冲压金属板31a的多个单位体31c,通过按照一定的角度错开层叠,可以尽可能地使积层金属板31的圆周方向的厚度一致。因此,即使用固定螺栓53固定两端板51、52,向积层金属板31的积层方向施加螺钉的推力,也可以提高第一端板51和第二端板52平行度的精度。
因此,可以提高支撑转子4的旋转轴41的两端侧的轴承58、58的平行度,使转子4的旋转更顺利。
上述实施例是为了说明本发明,不能理解为限定本发明或使其缩小范围。另外,本发明的各个部的构成并不限于上述实施例,当然在本发明中所记载的技术范围内可以有各种变形。
Claims (7)
1.一种电动车轮用轮毂单元,具有马达和轮毂,所述马达具有定子和转子,所述轮毂,在其内部容纳该马达并通过转子的旋转而被驱动旋转,其特征是:
设有随着所述轮毂的旋转将外部空气吸入到轮毂内而冷却马达的马达冷却装置。
2.根据权利要求1所述的电动车轮用轮毂单元,其特征是,在所述轮毂上设有固定用支撑轴,该固定用支撑轴在轮毂的旋转中心轴上以相对马达外壳呈固定的状态向外侧凸出设置并凸出到轮毂的外侧,在该固定用支撑轴的附近设有吸入外部空气的通气孔。
3.根据权利要求2所述的电动车轮用轮毂单元,其特征是,所述通气孔与管子连接,该管子的端部延伸设置在电动车的水不能进入的地方。
4.根据权利要求1所述的电动车轮用轮毂单元,其特征是,在所述轮毂上形成泵机构,该泵机构通过在马达外壳的外周上形成的凸出部而被操作,排出轮毂内的空气。
5.根据权利要求1所述的电动车轮用轮毂单元,其特征是,所述定子,是通过用螺栓紧固夹着积层金属板相对设置的一对端板而构成,定子的外周面,在端板间向轮毂的内面开放。
6.根据权利要求1所述的电动车轮用轮毂单元,其特征是,在轮毂内容纳有通过转子的旋转而工作的行星齿轮机构,在轮毂内面设置有与行星齿轮机构的行星齿轮啮合的内齿。
7.一种交通工具,其特征是,其车轮的轮毂使用的是权利要求1~6所述的电动车轮用轮毂单元。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102347662A (zh) * | 2010-07-29 | 2012-02-08 | 三洋电机株式会社 | 直流电动机以及轮毂单元 |
CN103359253A (zh) * | 2012-03-30 | 2013-10-23 | 本田技研工业株式会社 | 车辆用驱动装置 |
CN105082980A (zh) * | 2014-04-22 | 2015-11-25 | 舍弗勒技术股份两合公司 | 强制空气冷却机构、轮毂驱动单元及电动汽车 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE502006003191D1 (de) * | 2005-05-13 | 2009-04-30 | Spinwood Trading & Consulting | Fahrzeug |
EP2094559A1 (en) * | 2006-11-07 | 2009-09-02 | Jan Roelf De Vries | Bicycle drive assistance motor |
RU2442270C2 (ru) * | 2007-04-18 | 2012-02-10 | Гуе-Джеунг ПАРК | Двигатель и устройство привода |
US8413748B2 (en) * | 2009-03-27 | 2013-04-09 | Honda Motor Co., Ltd. | Motor-driven vehicle |
WO2011096658A2 (en) * | 2010-02-03 | 2011-08-11 | Lg Innotek Co., Ltd. | Traction motor module |
KR101089924B1 (ko) | 2010-03-08 | 2011-12-05 | 엘지이노텍 주식회사 | 트랙션 모터 모듈 |
KR101435306B1 (ko) * | 2010-03-26 | 2014-08-27 | 혼다 기켄 고교 가부시키가이샤 | 구동용 모터를 구비하는 차량 |
US20110259658A1 (en) * | 2010-04-22 | 2011-10-27 | Lin Hsiang Huang | Power output device for wheeled vehicle |
CN101856948B (zh) * | 2010-06-03 | 2011-12-07 | 苏州八方电机科技有限公司 | 电动自行车轮毂 |
JP5149938B2 (ja) * | 2010-06-11 | 2013-02-20 | 株式会社シマノ | モータ内蔵自転車用ハブ |
US8348798B2 (en) * | 2010-10-01 | 2013-01-08 | Chiu-Hsiang Lo | Hub motor for electric vehicles |
JP4959837B1 (ja) | 2010-12-06 | 2012-06-27 | パナソニック株式会社 | 電動用ハブ装置および電動自転車 |
JP5185360B2 (ja) | 2010-12-24 | 2013-04-17 | 株式会社シマノ | モータ内蔵自転車用ハブ |
JP5728272B2 (ja) * | 2011-03-31 | 2015-06-03 | 本田技研工業株式会社 | 電動車両 |
DK2562072T5 (en) | 2011-08-25 | 2015-06-08 | Maxon Motor Ag | Electrical hjulnavdrev for a vehicle, especially a bicycle |
EP2806988B1 (en) * | 2012-01-24 | 2020-01-15 | Holland Mechanics BV | Wheel hub clamping method and device |
JP5084977B1 (ja) | 2012-02-22 | 2012-11-28 | パナソニック株式会社 | 電動用ハブ装置および電動自転車 |
US9061576B2 (en) * | 2012-02-27 | 2015-06-23 | Lit Motors Corporation | Hub motor and steering solution |
CN104755367B (zh) | 2012-12-05 | 2018-01-09 | 松下知识产权经营株式会社 | 电动用轮毂装置及电动自行车 |
CN105358422B (zh) * | 2013-07-16 | 2018-03-09 | 松下知识产权经营株式会社 | 电动助力自行车 |
US20150292601A1 (en) * | 2013-10-11 | 2015-10-15 | Delbert Tesar | Standardized gear train modules for multi-speed hub drive wheels |
US20150203167A1 (en) * | 2014-01-17 | 2015-07-23 | Neal T. Saiki | Front Axle Retention for an Electric Cycle |
US10023264B2 (en) * | 2015-04-02 | 2018-07-17 | GM Global Technology Operations LLC | Cooling method for E-bike power and energy systems |
WO2016201705A1 (en) * | 2015-06-19 | 2016-12-22 | Robert Bosch Gmbh | Electric vehicle and driving system for electric vehicle |
TWI584998B (zh) | 2016-07-01 | 2017-06-01 | 行安機電股份有限公司 | 輪轂式馬達減速機 |
TWI755737B (zh) * | 2020-05-22 | 2022-02-21 | 新加坡商普拉希斯國際有限公司 | 具高扭力體積比之輪轂電機 |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2900839A (en) * | 1954-01-26 | 1959-08-25 | Donald D R Mackintosh | Variable throw radial pump |
US3682572A (en) * | 1970-07-27 | 1972-08-08 | Donald L Yarger | Piston type pump |
SU477017A1 (ru) * | 1971-10-04 | 1975-07-15 | Предприятие П/Я А-3590 | Управл емое мотор-колесо транспортного средства |
SU742179A1 (ru) * | 1977-01-10 | 1980-06-25 | Всесоюзный Конструкторско-Экспериментальный Институт Автобусостроения | Мотор-колесо транспортного средства |
US4137891A (en) * | 1977-07-22 | 1979-02-06 | Dalrymple William P | Orbiting piston rotary engine |
SU765036A1 (ru) * | 1978-04-06 | 1980-09-23 | Центральный Ордена Трудового Красного Знамени Научно-Исследовательский Автомобильный Автомоторный Институт | Мотор-колесо транспортного средства |
CA1279582C (en) * | 1986-01-29 | 1991-01-29 | Katsuhiko Iijima | Electric wheel drive |
AU613947B2 (en) * | 1987-09-03 | 1991-08-15 | T.P. Dawson | Wheel trim and wheel trim securing device |
US5019733A (en) * | 1987-09-25 | 1991-05-28 | Honda Giken Kogyo Kabushiki Kaisha | AC generator |
FR2659281A1 (fr) * | 1990-03-09 | 1991-09-13 | Milly Lucien | Vehicules automobiles usuels, a 2, 3 ou 4 roues, perfectionnes par une propulsion electrique auxiliaire et sequentielle, autonome. |
EP0469995B1 (en) | 1990-08-02 | 1995-10-04 | Honda Giken Kogyo Kabushiki Kaisha | Electrically operated vehicle |
US5350039A (en) * | 1993-02-25 | 1994-09-27 | Nartron Corporation | Low capacity centrifugal refrigeration compressor |
JPH0868333A (ja) | 1994-08-31 | 1996-03-12 | Mitsubishi Heavy Ind Ltd | 原動機付自転車用エンジン装置 |
JP3814331B2 (ja) * | 1996-03-18 | 2006-08-30 | 株式会社ミツバ | モータポンプ |
JP3939813B2 (ja) | 1996-08-02 | 2007-07-04 | ヤマハ発動機株式会社 | 動力補助自転車 |
US6148940A (en) * | 1997-09-04 | 2000-11-21 | General Electric Company | AC motorized wheel arrangement |
US5944497A (en) * | 1997-11-25 | 1999-08-31 | Siemens Canada Limited | Fan assembly having an air directing member to cool a motor |
US6100615A (en) * | 1998-05-11 | 2000-08-08 | Birkestrand; Orville J. | Modular motorized electric wheel hub assembly for bicycles and the like |
JP3939862B2 (ja) * | 1998-08-18 | 2007-07-04 | ヤマハ発動機株式会社 | 電動自転車用モータ駆動ユニット |
FR2798169B1 (fr) * | 1999-09-06 | 2001-11-16 | Siebec Sa | Pompe a entrainement magnetique |
EP1233500A1 (en) * | 2001-02-16 | 2002-08-21 | Chun-Pu Hsu | Drum-type motor with inner gear |
DE10139519A1 (de) * | 2001-08-10 | 2003-02-27 | Bosch Gmbh Robert | Radialkolbenpumpe zur Kraftstoffhochdruckerzeugung, sowie Verfahren zum Betreiben einer Brennkraftmaschine, Computerprogramm und Steuer- und/oder Regelgerät |
JP2004025941A (ja) | 2002-06-21 | 2004-01-29 | Sanyo Electric Co Ltd | 電動アシスト自転車の駆動部 |
JP3650613B2 (ja) * | 2002-08-23 | 2005-05-25 | ファナック株式会社 | 空冷式電動機 |
US7131825B2 (en) * | 2004-01-30 | 2006-11-07 | Isothermal Systems Research, Inc. | Spindle-motor driven pump system |
US6974399B2 (en) * | 2004-02-11 | 2005-12-13 | Chiu-Hsiang Lo | Hub motor mechanism |
JP4565870B2 (ja) * | 2004-03-26 | 2010-10-20 | ミネベア株式会社 | 電動ポンプ |
JP2005335535A (ja) * | 2004-05-27 | 2005-12-08 | Sanyo Electric Co Ltd | 電動車輪用ハブユニット及び該ハブユニットを具えた乗物 |
JP2005335536A (ja) * | 2004-05-27 | 2005-12-08 | Sanyo Electric Co Ltd | 電動車輪用ハブユニット及び該ハブユニットを具えた乗物 |
-
2004
- 2004-09-28 JP JP2004280907A patent/JP4297859B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-19 TW TW094116280A patent/TWI273070B/zh not_active IP Right Cessation
- 2005-09-16 CN CNB2005101039781A patent/CN100355596C/zh not_active Expired - Fee Related
- 2005-09-20 US US11/231,027 patent/US7472770B2/en not_active Expired - Fee Related
- 2005-09-22 CA CA2520684A patent/CA2520684C/en not_active Expired - Fee Related
- 2005-09-26 EP EP05020947A patent/EP1640261B1/en not_active Expired - Fee Related
- 2005-09-26 DE DE602005011908T patent/DE602005011908D1/de active Active
Cited By (7)
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CN103359253B (zh) * | 2012-03-30 | 2016-12-28 | 本田技研工业株式会社 | 车辆用驱动装置 |
CN105082980A (zh) * | 2014-04-22 | 2015-11-25 | 舍弗勒技术股份两合公司 | 强制空气冷却机构、轮毂驱动单元及电动汽车 |
CN105082980B (zh) * | 2014-04-22 | 2019-09-20 | 舍弗勒技术股份两合公司 | 强制空气冷却机构、轮毂驱动单元及电动汽车 |
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EP1640261A2 (en) | 2006-03-29 |
CN100355596C (zh) | 2007-12-19 |
TW200610702A (en) | 2006-04-01 |
EP1640261A3 (en) | 2007-06-06 |
EP1640261B1 (en) | 2008-12-24 |
TWI273070B (en) | 2007-02-11 |
CA2520684C (en) | 2013-01-15 |
JP2006096059A (ja) | 2006-04-13 |
DE602005011908D1 (de) | 2009-02-05 |
US7472770B2 (en) | 2009-01-06 |
US20060065452A1 (en) | 2006-03-30 |
JP4297859B2 (ja) | 2009-07-15 |
CA2520684A1 (en) | 2006-03-28 |
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