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    • 91. 发明授权
    • Piston assembly for use with a bicycle operated air pump
    • 用于自行车操作的空气泵的活塞组件
    • US5626072A
    • 1997-05-06
    • US361194
    • 1994-12-21
    • Mauricio MirandRobert BrownJeffrey C. BrownBuford H. Hopper
    • Mauricio MirandRobert BrownJeffrey C. BrownBuford H. Hopper
    • B60C23/10B62J11/02B62K19/42F02B75/02F04B9/04F04B33/00F16J1/12
    • B62K19/42B60C23/105B62J11/02F04B33/005F04B9/047F02B2075/025Y10T24/44624
    • An air pump for use with a chain-driven bicycle having a free wheel. The pump assembly comprises a pair of opposed cylinders and a double-ended piston rod mounted in a housing. The piston rod has a bearing slot, which engages a crank pin on a crankshaft driven by a sprocket. Rotation of the sprocket reciprocates the double-ended piston rod in the cylinders. The cylinders are each integrally formed with a manifold that uses an elastomeric band covering a passage from the cylinder interior to inside the manifold as a one-way valve. An enlarged diameter skirt on each cylinder allows air to enter the cylinder on each intake stroke. A cap defining the piston head is locked onto each piston and holds a seal in place on the piston. An integral clamp assembly allows the pump to be removably mounted on a bicycle chain stay. The lower run of the bicycle drive chain engages the drive sprocket of the pump assembly, and a chain retainer is used to maintain the engagement of the drive chain with the drive sprocket. Reverse rotation of the bicycle's crank assembly causes the conventional free wheel to also rotate in a reverse direction without rotating the wheel of the bicycle. The resulting movement of the chain over the drive sprocket of the pump rotates the drive sprocket, which reciprocates the double-ended piston rod in the cylinders, and pumps air to an article to be inflated, such as the bicycle tire(s).
    • 一种用于具有自由轮的链条自行车的气泵。 泵组件包括一对相对的气缸和安装在壳体中的双端活塞杆。 活塞杆具有轴承槽,该轴承槽与由链轮驱动的曲轴上的曲柄销接合。 链轮的旋转将双端活塞杆往复运动。 气缸各自一体地形成有歧管,该歧管使用弹性带,其覆盖从气缸内部到歧管内部的通道作为单向阀。 每个气缸上的一个扩大的直径裙部允许空气在每个吸气冲程中进入气缸。 将活塞头限定在每个活塞上并将密封件保持在活塞上的适当位置。 一体式夹具组件允许泵可拆卸地安装在自行车链条上。 自行车驱动链的下游接合泵组件的驱动链轮,并且链保持器用于保持驱动链与驱动链轮的接合。 自行车的曲柄组件的反向旋转使得常规的自由轮也能够相反地旋转而不使自行车轮转动。 链条在泵的驱动链轮上的运动使得将双端活塞杆往复运动的驱动链轮旋转,并将空气泵送到要充气的物品,例如自行车轮胎上。
    • 100. 发明授权
    • Infinitely variable speed amplifier
    • 无级变速放大器
    • US08961354B1
    • 2015-02-24
    • US13970211
    • 2013-08-19
    • William Robert Brown
    • William Robert Brown
    • F16H48/06F16H3/74F16H48/05
    • F16H37/0846F16H2037/102Y10S475/904
    • An infinitely variable speed amplifier comprising a continuously variable unit (“variator”), two differential gear trains, and four shafts. Two of the shafts connect to opposite ends of the variator and to two connections of each differential gear train, respectively. The third connections of the first and second differential gear trains are connected to the input and output shafts respectively. Ratios and other parameters are chosen so that an acceptable range of transmission speeds can be achieved without the use of clutches while also minimizing the power crossing the variator. Furthermore, this invention includes a variant that is a compound infinitely variable speed amplifier that provides a wider performance range.
    • 一种无级变速放大器,包括无级变速单元(“变速器”),两个差速齿轮系和四个轴。 两个轴分别连接到变速器的相对端和每个差速齿轮系的两个连接。 第一和第二差速齿轮系的第三连接分别连接到输入和输出轴。 选择比率和其他参数,使得可以在不使用离合器的情况下实现可接受的传输速度范围,同时还使通过变换器的功率最小化。 此外,本发明包括一种变体,其是提供更宽性能范围的复合无级变速放大器。