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    • 5. 发明授权
    • Fan wheel
    • 风扇轮
    • US06386831B1
    • 2002-05-14
    • US09554903
    • 2000-05-19
    • Hermann StahlErwin Wolf
    • Hermann StahlErwin Wolf
    • F04D2938
    • F04D29/30F04D29/023F04D29/281F05D2230/54Y10T29/49321
    • The invention relates to a fan wheel for a turbo charger. The fan wheel (1) is comprised of a base body with a central axis of rotation (5) wherein the base body is assembled of two cover discs (2, 3) positioned approximately congruently opposite one another, between whose end faces (12, 13) facing one another fan blades (6) are arranged. The fan blades (6) are formed as monolithic parts on at least one of the cover discs (2, 3) and have an axial contact surface (30) against which an oppositely positioned axial contact surface (31) of the other cover disc (2,3) rests. Fastening means are provided in the area of the contact surfaces (8, 9) for non-detachably connecting the cover discs (2, 3) to one another. In order to produce the fan wheel (1) without balancing, the cover discs (2, 3) are embossed from a material that can be embossed and the fan blades (6) are embossed axially out of the material of a cover disc (2, 3), wherein the edge (22a, 22b) between the plane of the cover disc (2,3) and the sidewall (19a, 19b) of a fan blade (6) positioned substantially at a right angle to the plane of the cover disc (2, 3) as well as the edge (21a, 21b) between the sidewall (19a, 19b) of the contact surface (30, 31) are rounded with a radius (R1, R2) of approximately 0.5 to 2 mm.
    • 本发明涉及涡轮增压器的风扇叶轮。 风扇叶轮(1)由具有中心旋转轴线(5)的基体构成,其中基体由两个盖板(2,3)组成,两个盖盘(2,3)在其端面(12, 13)彼此面对的风扇叶片(6)布置。 风扇叶片(6)在至少一个盖盘(2,3)上形成为整体部件,并且具有轴向接触表面(30),另一盖板的相对定位的轴向接触表面(31) 2,3)休息。 紧固装置设置在接触表面(8,9)的区域中,用于不可拆卸地将盖盘(2,3)彼此连接。 为了在没有平衡的情况下制造风扇叶轮(1),盖盘(2,3)由可压花的材料压花,并且风扇叶片(6)沿轴向压出盖盘(2)的材料 ,3),其中所述盖盘(2,3)的平面与风扇叶片(6)的侧壁(19a,19b)之间的边缘(22a,22b)位于与 覆盖盘(2,3)以及接触表面(30,31)的侧壁(19a,19b)之间的边缘(21a,21b)以约0.5至2mm的半径(R1,R2)圆形 。
    • 6. 发明授权
    • Support for a printed circuit board with electronic components
    • 支持带电子元件的印刷电路板
    • US5909865A
    • 1999-06-08
    • US975798
    • 1997-11-21
    • Hermann Stahl
    • Hermann Stahl
    • H05K7/14B01D17/00
    • H05K7/142
    • The support for a printed circuit board, positioned at a distance parallel to the support, includes a base plate and spacers for spacing the printed circuit board from the base plate. The spacers have a head for connecting the spacers to the printed circuit board. The spacers have a bottom portion connected to fastening elements of the base plate provided at a side facing the printed circuit board. The bottom portions are flat and parallel to the base plate. The fastening elements have securing projections for the bottom portions. Each bottom portion has at least two edges engaged by the securing projections. The fastening elements have abutments for the bottom portions, wherein the bottom portions rest at the abutments when engaged by the securing projections.
    • 位于平行于支撑件的距离处的印刷电路板的支撑件包括用于将印刷电路板与基板间隔开的基板和间隔件。 间隔件具有用于将间隔件连接到印刷电路板的头部。 间隔件具有连接到设置在面向印刷电路板的一侧的基板的紧固元件的底部。 底部是平的并平行于基板。 紧固元件具有用于底部的固定突起。 每个底部具有由固定突起接合的至少两个边缘。 紧固元件具有用于底部的抵接部,其中当与固定突起接合时,底部部分停靠在支座处。