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公开(公告)号：US09072640B2
公开(公告)日：2015-07-07
申请号：US14454402
申请日：2014-08-07
发明人： Donald P. H. Wu
CPC分类号： A61G5/06 , A61G5/043 , A61G5/1078 , A61G5/1086 , A61G5/1089
摘要： A simply structured suspension structure for an electric wheelchair includes a frame, two drive units, two front guide units, two front shock absorbers, two anti-roll units, and two rear shock absorbers. The two front guide units are located at both sides of the frame and each include a front guide wheel, a front suspension arm and a torsion spring. The two front and rear shock absorbers are connected to the frame. The two anti-roll units are located at both sides of the frame. When the front guide arms drive the front guide wheels to pivot, the torsion springs can produce a reaction force to prevent the frame from rolling over, improving safety. When the suspension structure runs across an uneven bumpy road, the front and rear shock absorbers can ease the shock imposed on the frame, enhancing sitting comfort.
摘要翻译： 用于电动轮椅的简单结构的悬挂结构包括框架，两个驱动单元，两个前导向单元，两个前减震器，两个防侧倾单元和两个后减震器。 两个前引导单元位于框架的两侧，每个包括前导轮，前悬架臂和扭簧。 两个前后减震器连接到车架上。 两个防侧倾单元位于框架的两侧。 当前引导臂驱动前导轮枢转时，扭转弹簧可产生反作用力以防止框架翻滚，提高安全性。 当悬挂结构横跨不平坦的颠簸路面时，前后减震器可以减轻施加在框架上的冲击，提高坐姿舒适度。
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公开(公告)号：US09358165B2
公开(公告)日：2016-06-07
申请号：US14815485
申请日：2015-07-31
发明人： Donald P. H. Wu
IPC分类号： A61G5/10
CPC分类号： A61G5/10 , A61G5/043 , A61G5/06 , A61G5/1078 , A61G5/1089 , Y10S180/907
摘要： A front suspension system for an electric wheelchair includes front pivot shaft, a front wheel retainer, an elasticity resistance member, and a front shock absorber. The front shock absorber is disposed on a horizontal first section of the front wheel retainer so as to improve climbing capability of the wheelchair. The elasticity resistance member is disposed between the frame and the front wheel retainer and has two ends connected to the front wheel retainer and the abutting member of the frame, respectively. When the front wheels encounters bumpy road and makes the front wheel retainer pivot, the elasticity resistance member will be compressed to produce a reaction force toward the front wheel retainer and the abutting member of the frame, respectively, so that the front wheel retainer is pressed down to keep pressing against the flat bearing surface, and the frame is also pressed downward to prevent tipping backward.
摘要翻译： 电动轮椅的前悬架系统包括前枢轴，前轮保持架，弹性阻力构件和前减震器。 前减震器设置在前轮保持架的水平的第一部分上，以提高轮椅的爬坡能力。 弹性抵抗构件设置在框架和前轮保持器之间，并且具有分别连接到前轮保持件和框架的抵接构件的两端。 当前轮遇到颠簸路并使前轮保持器枢转时，弹性阻力构件将被压缩，以分别对框架的前轮保持件和抵靠构件产生反作用力，使得前轮保持器被按压 向下压紧平面轴承表面，并且框架也被向下按压以防止向后倾斜。
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公开(公告)号：US09301893B1
公开(公告)日：2016-04-05
申请号：US14733523
申请日：2015-06-08
发明人： Donald P. H. Wu
CPC分类号： A61G5/08 , A61G5/0833 , A61G5/085 , A61G5/0866 , B62K5/007
摘要： A foldable scooter frame includes: a front fork pivoted to a front frame, a front wheel assembly disposed on the front fork, the front fork being fixed to a pivot seat of a control unit, the pivot seat being pivoted to a control rod, a rear frame being connected to the front frame in a foldable manner, a rear wheel assembly disposed on the rear frame. With the pivoting arrangement of the front and rear frames, and more importantly, with the bridge rod abutted against the rear frame, the foldable scooter frame of the present invention can be maintained in a best stable state when in use, and when folded, the distance between the front and rear wheel assemblies can be reduced to the least possible amount, and the whole structure is simply structured and can be easily folded without requiring the use of complicated linkage mechanism.
摘要翻译： 可折叠的踏板车架包括：前叉，其枢转到前框架，前轮组件设置在前叉上，前叉固定到控制单元的枢轴座上，枢轴座枢转到控制杆， 后框架以可折叠的方式连接到前框架，后轮组件设置在后框架上。 通过前框架和后框架的枢转布置，更重要的是，当桥杆抵靠后框架时，本发明的可折叠踏板车架可在使用时保持在最佳的稳定状态，并且当折叠时， 前轮组件和后轮组件之间的距离可以减小到尽可能少的量，并且整个结构简单地构造并且可以容易地折叠，而不需要使用复杂的连杆机构。
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公开(公告)号：US09004535B2
公开(公告)日：2015-04-14
申请号：US13763873
申请日：2013-02-11
发明人： Donald P. H. Wu
CPC分类号： B60K1/04 , B60K2001/0422 , B62D23/005 , B62D25/2009 , B62D31/003
摘要： A chassis for an electric vehicle comprises: a base frame, a front frame, a rear frame, two side frames, four suspension devices and four wheels. The front frame and the rear frame have the front arc-shaped tube and the arc-shaped rear tube fixed to the base frame, the arc-shaped tubes can not only reduce the number of tubes required but also increase the area of thrust force as compared to the straight tubes. Besides, the arc of the arc-shaped tubes avoids a connection point of an acute angle. Moreover, the height is larger than the width, which will produce less torque on the base frame as compared to that if the height is smaller than the width, thus preventing the torque acted on the base frame from damaging the connection points and improving the structural strength of the chassis at the connection points.
摘要翻译： 一种用于电动车辆的底盘包括：底架，前框架，后框架，两个侧框架，四个悬挂装置和四个车轮。 前框架和后框架具有前弧形管和弧形后管固定到基架上，弧形管不仅可以减少所需的管数，还可以增加推力的面积 与直管相比。 此外，弧形管的弧线避免了锐角的连接点。 此外，高度大于宽度，与基座上的扭矩相比，如果高度小于宽度，则会产生较小的扭矩，从而防止作用在基架上的扭矩损坏连接点并改善结构 机架在连接点的强度。
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公开(公告)号：US09351888B2
公开(公告)日：2016-05-31
申请号：US14484968
申请日：2014-09-12
发明人： Donald P. H. Wu
CPC分类号： A61G5/06 , A61G5/043 , A61G5/1078 , A61G5/1089 , B60G3/14 , B60G11/15 , B60G15/062 , B60G15/067 , B60G2200/132 , B60G2202/312 , B60G2300/24
摘要： A front suspension system for an electric wheelchair is disposed between the frame of the electric wheelchair and each of the front wheels, and has two ends pivoted to the front pivot shaft and a corresponding one of the front wheels, respectively. An elasticity resistance member is sleeved onto the front pivot shaft and has two ends connected to the front wheel retainer and the abutting member of the frame, respectively. When the front wheels encounters bumpy road and makes the front wheel retainer pivot, the elasticity resistance member will be compressed to produce a reaction force toward the front wheel retainer and the abutting member of the frame, respectively, so that the front wheel retainer is pressed down to keep pressing against the flat bearing surface, and the frame is also pressed downward to prevent tipping backward.
摘要翻译： 电动轮椅的前悬架系统设置在电动轮椅的框架和每个前轮之间，并且具有分别枢转到前枢轴和相应的一个前轮的两个端部。 弹性抵抗构件套在前枢轴上，分别连接到前轮保持架和框架抵接构件的两端。 当前轮遇到颠簸路并使前轮保持器枢转时，弹性阻力构件将被压缩，以分别对框架的前轮保持件和抵靠构件产生反作用力，使得前轮保持器被按压 向下压紧平面轴承表面，并且框架也被向下按压以防止向后倾斜。
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公开(公告)号：US09153850B2
公开(公告)日：2015-10-06
申请号：US13738925
申请日：2013-01-10
发明人： Donald P. H. Wu
IPC分类号： H01M10/60 , H01M10/613 , H01M2/10 , H01M10/6551 , H01M10/6555 , H01M10/643
CPC分类号： H01M10/613 , H01M2/1016 , H01M2/105 , H01M2/1077 , H01M10/643 , H01M10/6551 , H01M10/6555
摘要： A battery pack with a heat dissipation structure comprises two battery modules, four heat dissipation elements, and four spacing sleeves that are combined by four screws. The four heat dissipation elements and the four spacing sleeves are disposed between the two battery modules. The dissipation elements are in direct contact with the respective battery modules, so that the heat of the respective battery module will be conducted to the heat dissipation plates then dissipated into the air through the heat dissipation fins of the heat dissipation plates. Between the two battery modules is formed a heat dissipation channel, which can avoid the heat accumulation due to direct contact of the two battery modules while allowing the hot air in the heat dissipation channel to be exchanged to the cool air outside the battery pack.
摘要翻译： 具有散热结构的电池组包括两个电池模块，四个散热元件以及由四个螺钉组合的四个间隔套筒。 四个散热元件和四个间隔套管设置在两个电池模块之间。 散热元件与相应的电池模块直接接触，使得相应的电池模块的热量将传导到散热板，然后通过散热板的散热片散发到空气中。 在两个电池模块之间形成散热通道，其可以避免由于两个电池模块的直接接触而导致的热积聚，同时允许散热通道中的热空气被更换到电池组外部的冷空气。
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公开(公告)号：US09673439B2
公开(公告)日：2017-06-06
申请号：US13849511
申请日：2013-03-24
发明人： Donald P. H. Wu
CPC分类号： H01M2/26 , H01M2/30 , H01R13/025 , H01R13/03
摘要： A connecting structure for exteriorly connecting a battery cell and a load circuit by using two graphite connecting graphite blocks, wherein the positive and negative electrode terminals of the battery cell are made of nickel, the battery cell is connected to the load circuit by the two connecting graphite blocks, respectively. The graphite is inexpensive and resistant to oxidation; whereas, the connecting graphite blocks and the nickel-plated metal made electrode terminals of the battery cell will dissolve in each other to form a carbon-nickel alloy after being brought into contact with one another, thus ensuring a smooth large-current discharge because of the reduction in resistance of external connection.
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公开(公告)号：US20150107917A1
公开(公告)日：2015-04-23
申请号：US14454402
申请日：2014-08-07
发明人： Donald P. H. Wu
CPC分类号： A61G5/06 , A61G5/043 , A61G5/1078 , A61G5/1086 , A61G5/1089
摘要： A simply structured suspension structure for an electric wheelchair includes a frame, two drive units, two front guide units, two front shock absorbers, two anti-roll units, and two rear shock absorbers. The two front guide units are located at both sides of the frame and each include a front guide wheel, a front suspension arm and a torsion spring. The two front and rear shock absorbers are connected to the frame. The two anti-roll units are located at both sides of the frame. When the front guide arms drive the front guide wheels to pivot, the torsion springs can produce a reaction force to prevent the frame from rolling over, improving safety. When the suspension structure runs across an uneven bumpy road, the front and rear shock absorbers can ease the shock imposed on the frame, enhancing sitting comfort.
摘要翻译： 用于电动轮椅的简单结构的悬挂结构包括框架，两个驱动单元，两个前导向单元，两个前减震器，两个防侧倾单元和两个后减震器。 两个前引导单元位于框架的两侧，每个包括前导轮，前悬架臂和扭簧。 两个前后减震器连接到车架上。 两个防侧倾单元位于框架的两侧。 当前引导臂驱动前导轮枢转时，扭转弹簧可产生反作用力以防止框架翻滚，提高安全性。 当悬挂结构横跨不平坦的颠簸路面时，前后减震器可以减轻施加在框架上的冲击，提高坐姿舒适度。
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