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    • 25. 发明授权
    • Engine valve assembly
    • 发动机气门组件
    • US07240654B2
    • 2007-07-10
    • US10867300
    • 2004-06-14
    • Miguel Nuno Guimaraes Verdial
    • Miguel Nuno Guimaraes Verdial
    • F01L7/00
    • F01L7/02F01L1/022F01L1/024
    • An inventive engine valve assembly may comprise a rotatable shaft having a fluid passageway extending therethrough, preferably in a direction orthogonal to the longitudinal axis of the shaft. The shaft may be positioned such that the fluid passageway is in communication with an engine cylinder during selected portions of shaft rotation. The shaft may be arranged to rotate with the crankshaft. When used as an intake valve, the valve may be arranged to allow fluid communication with the cylinder during an intake stroke. When used as an exhaust valve, the valve may be arranged to allow fluid communication with the cylinder during an exhaust stroke.
    • 本发明的发动机气门组件可以包括可旋转的轴,其具有延伸穿过其中的流体通道,优选地在与轴的纵向轴线正交的方向上。 轴可以定位成使得在轴旋转的选定部分期间,流体通道与发动机气缸连通。 轴可以布置成与曲轴一起旋转。 当用作进气阀时,阀可以被布置成在进气冲程期间允许与气缸的流体连通。 当用作排气阀时,阀可以布置成在排气冲程期间允许与气缸的流体连通。
    • 30. 发明授权
    • Catheter-stent device
    • 导管支架装置
    • US06899730B1
    • 2005-05-31
    • US09548682
    • 2000-04-13
    • Patrick Rivelli, Jr.
    • Patrick Rivelli, Jr.
    • A61F2/82A61F2/88A61F2/06
    • A61F2/88A61F2002/823
    • A graftless prosthetic stent for treatment of vascular lesions such as aneurysms and arterio-venous fistulas, especially in neurovascular vessels, comprises a continuous helical ribbon formed of a shape-retaining metal having a transition temperature at which the stent expands from its contracted condition to a radially expanded condition, the stent remaining substantially cylindrical in its contracted and expanded conditions. The helical windings have variable width, thickness, number or size of openings, or combinations of these features, which affect the stiffness, rate of expansion at the transition temperature, and the area of vessel wall covered by the stent. A catheter device which includes the stent, and a method of treatment using the stent are also provided.
    • 用于治疗血管病变如动脉瘤和动静脉瘘的无移植假体支架,特别是在神经血管血管中,包括由具有转移温度的形状保持金属形成的连续螺旋带,支架从收缩状态扩张到 在扩张状态下,支架在收缩和膨胀的条件下保持基本上圆柱形。 螺旋绕组具有可变的宽度,厚度,开口的数量或尺寸,或这些特征的组合,其影响刚度,在转变温度下的膨胀速率和由支架覆盖的血管壁的面积。 还提供了包括支架的导管装置和使用支架的治疗方法。