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    • 1. 发明授权
    • Lateral-duct fan
    • 横管风扇
    • US4447187A
    • 1984-05-08
    • US454025
    • 1982-12-28
    • Rudiger GaltzRudolf Reinhardt
    • Rudiger GaltzRudolf Reinhardt
    • F04D23/00F04D29/34
    • F04D23/008
    • A lateral-duct fan having a lateral duct approximately of the shape of a torus cut normally to its axis of symmetry, and having a coaxial impeller having axially-symmetrically lined-up blades at its front side in a ring-shaped recess that faces essentially opposite the lateral duct with an axial gap therebetween. In order to reduce the critical interdependence between the size of the axial gap and the output of the fan, and thus increase the tolerances during the adjustment of the axial gap, i.e., to improve the output values of the fan with the same axial gap, it is provided that the radius of at least one edge of the recess, measured at the front side of the impeller, is smaller than the radius of a closest edge of the lateral duct, measured at an inner surface of a housing in which the lateral duct is formed.
    • 横向风扇具有大致为圆环形状的侧向管道,通常正对其对称轴线切割,并且具有同轴的叶轮,其轴向对称排列的叶片在其前侧处于基本上面向的环形凹部中 与侧管相对,其间具有轴向间隙。 为了减小轴向间隙的尺寸与风扇的输出之间的临界相互依赖关系,从而增加轴向间隙调整期间的公差,即改善具有相同轴向间隙的风扇的输出值, 设置在叶轮的前侧测量的凹部的至少一个边缘的半径小于在壳体的内表面处测量的侧向管道的最近边缘的半径,其中横向 形成管道。
    • 5. 发明授权
    • Welded crankshaft
    • 焊接曲轴
    • US06378396B1
    • 2002-04-30
    • US09516918
    • 2000-03-01
    • Rudolf ReinhardtHans Zechmann
    • Rudolf ReinhardtHans Zechmann
    • F16C304
    • F16C3/14F16C3/10F16C2360/22Y10T29/49286Y10T74/2173
    • A welded crankshaft having a number of individual elements and cavities formed in the region of the main bearing journals and crank journals. The individual elements are configured so that oil passages in the overlap region between the main bearing journals and crank journals run substantially in the axial direction, and transition via radial orifices directly into the journal surface. The cavities of the main bearing journals and crank journals can be made very large, so that the weight of the crankshaft is kept light. In addition, because of the simple geometry of the oil passages, the crankshaft can be manufactured in modular fashion from the individual elements.
    • 一种焊接曲轴,其具有形成在主轴承轴颈和曲柄轴颈的区域中的多个单独元件和空腔。 各个元件构造成使得主轴承轴颈和曲轴轴颈之间的重叠区域中的油通道基本上沿轴向延伸,并且经由径向孔直接进入轴颈表面。 主轴承轴颈和曲柄轴颈的空腔可以做得非常大,使得曲轴的重量保持较轻。 此外,由于油路的简单几何形状,曲轴可以以各个元件的方式制造。