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    • 1. 发明公开
    • A connection between two members such as a hub and fan blade
    • Verbindung zwischen zwei Teilen,wi zum Beispiel einer Nabe und einemRotorflügel。
    • EP0228252A2
    • 1987-07-08
    • EP86309898.4
    • 1986-12-18
    • Matthews, David G
    • Matthews, David G
    • F04D29/20F16B17/00
    • B21D39/06F04D29/263F16B17/006F16D1/072Y10T29/49915Y10T29/4992Y10T29/49922Y10T403/4651Y10T403/4688Y10T403/4966
    • A connection between two members, such as a hub member (5) and a sheet metal fan blade member (2) such that an edge of the first member (2) is joined to a surface of the second member (5) is characterised in that the hub member (5) has a groove (15) for receiving the edge of the fan blade member (2), a shoulder (14) for supporting the fan blade member (2), the groove being adjacent the shoulder (14), and a number of segments (16b) extending from the groove (15) and directed away from the surface of the hub member (5) into engagement with the fan blade member (2) whereby the edge of the fan blade member (2) at each point of engagement has a portion extending into the groove (15). Preferably the groove (15) undercuts the shoulder (14) and the edge of the fan blade member substantially fills the cross-sectional area of the groove (15) to form a firm interlocking connection.)
    • 两个构件之间的连接,例如轮毂构件(5)和钣金风扇叶片构件(2),使得第一构件(2)的边缘连接到第二构件(5)的表面,其特征在于 毂部件(5)具有用于接收风扇叶片构件(2)的边缘的凹槽(15),用于支撑风扇叶片构件(2)的肩部(14),所述凹槽邻近肩部(14) 以及从所述槽(15)延伸并远离所述轮毂构件(5)的表面的多个段(16b)与所述风扇叶片构件(2)接合,从而所述风扇叶片构件(2)的边缘, 在每个接合点处具有延伸到凹槽(15)中的部分。 优选地,所述槽(15)将所述肩部(14)倒下并且所述风扇叶片构件的边缘基本上填充所述凹槽(15)的横截面积以形成牢固的互锁连接。
    • 8. 发明专利
    • CONNECTING STRUCTURE FOR A HUB AND FAN BLADE
    • CA1167811A
    • 1984-05-22
    • CA368482
    • 1981-01-14
    • MATTHEWS DAVID G
    • MATTHEWS DAVID G
    • F04D29/20
    • A structure for interlocking relatively thin sheet material with a relatively heavy member, such as, for example a hub member with a sheet metal fan blade structure and the like to provide a rigid durable interlocking connection therebetween, in which, in the example given, the hub member is provided with an annular sleeve which extends through a bore in the central portion of the fan blade or other member, the hub member having an upstanding flange in the form of an annular shoulder spaced rearwardly from the free end of the sleeve and of greater diameter than the latter, with the shoulder being radially spaced from the sleeve by a groove having a radial width approximately equal to the thickness of the sheet member. The sleeve is divided into a plurality of segments, alternate segments flaring outwardly into engagement with the material of the blade member forming the periphery of the bore therein, and the free ends of the intermediate segments being bent over and forced into the material of the sheet member, moving the adjacent material thereof into the groove and forming, in effect, a spline-like connection between the two members.