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    • 4. 发明公开
    • ENHANCED FAN AND FAN DRIVE ASSEMBLY
    • 风扇和风扇驱动单元本
    • EP2975284A3
    • 2016-09-28
    • EP15177536.8
    • 2000-02-15
    • BorgWarner Inc.
    • Light, Gerard M.Debrabander, James R.Robb, Neil. EBuckley, Donald E.
    • F16D35/02F04D25/02F16D13/72F04D29/32
    • F16D35/02F04D25/022F04D29/329F04D29/584F16D13/72
    • A fan drive assembly comprises a cooling fan (11) attached to a fluid coupling device (13). The cooling fan (11) includes a fan hub (17) and a plurality of fan blades (19) extending radially from said fan hub (17). The fluid coupling device (13) includes a rotatable coupling assembly (21) including a body member (23) having a rearward surface (59), and a cover member (25) cooperating with said body member (23) to define a fluid chamber (39) therebetween. A rotatable coupling member (27) is disposed in said fluid chamber (39) for rotation relative to said coupling assembly (21). The coupling assembly (21) and the coupling member (27) cooperate to define a viscous shear chamber (55,57) therebetween, whereby torque may be transmitted from said coupling member (27) to said coupling assembly (21) in response to the presence of viscous fluid in said viscous shear chamber (55,57). Said body member includes a plurality of cooling fins (61) on said rearward surface. Each of said plurality of fan blades (19) defines a back-to-back dimension measured rearward from said cooling fins (61) to the rearward side of each of said fan blades (19). Said fan hub (17) defines a rearward axially extending air dam portion (81) at each of said plurality of fan blades (19), said air dam portion (81) defining an axial length measured rearward from said cooling fins (61), which is in the range of about 60% to about 70% of said back-to-back dimension.
    • 7. 发明公开
    • ENHANCED FAN AND FAN DRIVE ASSEMBLY
    • LÜFTERUND ANTRIEBSEINHEIT DIESESLÜFTERS
    • EP2975285A2
    • 2016-01-20
    • EP15177727.3
    • 2000-02-15
    • BorgWarner Inc.
    • Light, Gerard M.Debrabander, James R.Robb, Neil. EBuckley, Donald E.
    • F16D35/02F04D25/02F16D13/72F04D29/32
    • F16D35/02F04D25/022F04D29/329F04D29/584F16D13/72
    • A fan drive assembly comprises a cooling fan 11 including a spider portion 15, a hub 17 mounted to said spider portion 15 and a plurality of blades 19 extending radially from said hub 17. The spider portion 15 has a central opening defining a pilot diameter 79. The assembly also has a body member 23 having a rearward surface 57 with a plurality of mounting portions 67 formed thereon, each of said mounting portions 67 defining an spider mounting surface 75 and a radially disposed pilot surface 77 configured to contact said pilot diameter 79. Each of said mounting portions 67 defines an outer periphery and a machine chucking surface 73 at said outer periphery. The outer periphery of said plurality of mounting portions 67 is circular and said machine chucking surface 73 is linear. The assembly also includes a means for attaching said spider portion 15 to said plurality of mounting portions 67 with said spider portion 15 contacting said mounting surface 75 and said pilot diameter 79 in engagement with said pilot surface 77. A coupling member 27 is engageable between said body member 23 and a source of rotational motion to transmit torque to said body member 23, thereby rotating said cooling fan 11.
    • 风扇驱动组件包括一个冷却风扇11,包括一个蜘蛛部分15,一个安装在该蜘蛛部分15上的一个轮毂17以及从该轮毂17径向延伸的多个叶片19.该蜘蛛部分15具有一个中心开口, 该组件还具有主体部件23,该主体部件23具有形成在其上的多个安装部分67的后表面57,每个安装部分67限定了一个蜘蛛安装表面75和径向设置的引导表面77, 每个所述安装部分67在所述外周限定外周和机械夹紧表面73。 所述多个安装部分67的外周是圆形的,所述机器夹紧​​表面73是线性的。 组件还包括用于将所述蜘蛛部分15附接到所述多个安装部分67的装置,其中所述蜘蛛部分15接触所述安装表面75和与所述先导表面77接合的所述引导直径79.联接构件27可接合在所述 主体构件23和旋转运动源,以将扭矩传递到主体构件23,由此旋转所述冷却风扇11。