Plastic fans having improved fan ring weld line strength
    1.
    发明授权
    Plastic fans having improved fan ring weld line strength 有权
    塑料风扇具有改善的风机环焊接线强度

    公开(公告)号:US07789628B2

    公开(公告)日:2010-09-07

    申请号:US11617696

    申请日:2006-12-28

    IPC分类号: F04D19/00

    摘要: Injection molded ring fan embodiments and methods for making them. The methods influence material flow during the injection molding process such that a major portion of the materials flowing in opposite directions in the outer rings preferably flow past one another, intermix in a swirling relationship, and/or collide at an angle relative to one another. This results in better material mixing or integration of the flow fronts. In one embodiment, the thickness of the outer ring varies in different portions between adjacent fan blades.

    摘要翻译: 注塑环形风扇实施例及其制造方法。 这种方法影响注射成型过程中的材料流动,使得在外环中沿相反方向流动的材料的主要部分优选彼此流动,以旋转关系混合和/或以相对于彼此成一定角度相互碰撞。 这导致更好的材料混合或流动前沿的整合。 在一个实施例中,外环的厚度在相邻风扇叶片之间的不同部分变化。

    Enhanced fan and fan drive assembly
    2.
    发明授权
    Enhanced fan and fan drive assembly 有权
    增强风扇和风扇驱动装置

    公开(公告)号:US06358010B2

    公开(公告)日:2002-03-19

    申请号:US09756344

    申请日:2001-01-08

    IPC分类号: F04D2958

    摘要: A fan drive assembly including a cooling fan (11) and a fluid coupling device (13). The cooling fan includes a fan hub (17), a spider (15), and a plurality of fan blades (19). The coupling device has an output coupling assembly (21) including a body (23) and a cover (25). The body (23) includes preferably only three mounting portions (67), each being disposed immediately adjacent an outer periphery of the body. Each of the mounting portions (67) defines the necessary machining chucking surfaces (73), and a spider mounting surface (75) including a pilot surface (77) engaging the pilot diameter (79) of the spider (15). The body (23) includes cooling fins (61) covering substantially all of the rearward surface (59) of the body not covered by the mounting portions. The fan hub (17) also includes a rearwardly extending air dam portion (81), limiting localized radial air flow. The fan drive is able to improve the radial air flow through the body cooling fins and achieve subatantially greater heat dissipation from the fan drive assembly, thus permitting greater fan speed for a given input speed.

    摘要翻译: 一种风扇驱动组件,包括冷却风扇(11)和流体联接装置(13)。 冷却风扇包括风扇集线器(17),星形架(15)和多个风扇叶片(19)。 联接装置具有包括主体(23)和盖(25)的输出联接组件(21)。 主体(23)优选地仅包括三个安装部分(67),每个安装部分紧邻主体的外周设置。 每个安装部分(67)限定必要的加工夹紧表面(73)和包括接合蜘蛛(15)的引导直径(79)的引导表面(77)的蜘蛛安装表面(75)。 主体(23)包括覆盖未被安装部分所覆盖的主体的所有后表面(59)的散热片(61)。 风扇轮毂(17)还包括向后延伸的空气阻挡部分(81),限制局部径向空气流动。 风扇驱动器能够改善通过主体散热片的径向空气流,并且从风扇驱动组件获得较大的散热,从而在给定的输入速度下允许更大的风扇速度。

    Enhanced fan and fan drive assembly
    3.
    发明授权
    Enhanced fan and fan drive assembly 有权
    增强风扇和风扇驱动装置

    公开(公告)号:US06530748B2

    公开(公告)日:2003-03-11

    申请号:US09975400

    申请日:2001-10-11

    IPC分类号: F04D2958

    摘要: A fan drive assembly including a cooling fan (11) and a fluid coupling device (13). The cooling fan includes a fan hub (17), a spider (15), and a plurality of fan blades (19). The coupling device has an output coupling assembly (21) including a body (23) and a cover (25). The body (23) includes preferably only three mounting portions (67), each being disposed immediately adjacent an outer periphery of the body. Each of the mounting portions (67) defines the necessary machining chucking surfaces (73), and a spider mounting surface (75) including a pilot surface (77) engaging the pilot diameter (79) of the spider (15). The body (23) includes cooling fins (61) covering substantially all of the rearward surface (59) of the body not covered by the mounting portions. The fan hub (17) also includes a rearwardly extending air dam portion (81), limiting localized radial air flow. The fan drive is able to improve the radial air flow through the body cooling fins and achieve substantially greater heat dissipation from the fan drive assembly, thus permitting greater fan speed for a given input speed.

    摘要翻译: 一种风扇驱动组件,包括冷却风扇(11)和流体联接装置(13)。 冷却风扇包括风扇集线器(17),星形架(15)和多个风扇叶片(19)。 联接装置具有包括主体(23)和盖(25)的输出联接组件(21)。 主体(23)优选地仅包括三个安装部分(67),每个安装部分紧邻主体的外周设置。 每个安装部分(67)限定必要的加工夹紧表面(73)和包括接合蜘蛛(15)的引导直径(79)的引导表面(77)的蜘蛛安装表面(75)。 主体(23)包括覆盖未被安装部分所覆盖的主体的所有后表面(59)的散热片(61)。 风扇轮毂(17)还包括向后延伸的空气阻挡部分(81),限制局部径向空气流动。 风扇驱动器能够改善通过主体散热片的径向空气流动并且实现从风扇驱动组件获得显着更大的散热,因此在给定的输入速度下允许更大的风扇速度。

    Plastic fans having improved fan ring weld line strength
    4.
    发明授权
    Plastic fans having improved fan ring weld line strength 有权
    塑料风扇具有改善的风机环焊接线强度

    公开(公告)号:US07168922B2

    公开(公告)日:2007-01-30

    申请号:US10831789

    申请日:2004-04-26

    IPC分类号: F04D19/00

    摘要: A method to influence material flow during the injection molding of thermoplastic, polymeric ring type fans such that a major portion of the materials flowing in opposite directions preferably flow past one another, or collide at an angle relative to one another, rather than colliding at an 180 degree angle relative to each other to form weld lines. This flow bypassing results in better material mixing or integrating than merely allowing flow fronts to collide and cool. In one embodiment, a portion of the fan's ring is thickened in the weld line area to minimize the amount of material colliding at a 180-degree angle relative to each. Alternatively, at least one appendage could be added to the ring fan that will influence the material flow during molding conditions. Each appendage will be removed prior to introducing the ring fan to a cooling system.

    摘要翻译: 一种在热塑性聚合环型风扇注射成型期间影响材料流动的方法,使得沿相反方向流动的材料的主要部分优选地彼此流动或相对于彼此以一定角度相撞而不是在 相对于180度角形成焊接线。 这种流量旁路导致更好的材料混合或集成,而不仅仅是允许流动的前沿碰撞和冷却。 在一个实施例中,风扇环的一部分在焊接区域中增厚,以使材料的量相对于每个角度以180度的角度相撞。 或者,可以在环形风扇中添加至少一个附件,这将在成型条件期间影响材料流动。 在将环形风扇引入冷却系统之前,每个附件将被删除。

    Enhanced fan and fan drive assembly
    5.
    发明授权
    Enhanced fan and fan drive assembly 有权
    增强风扇和风扇驱动装置

    公开(公告)号:US06206639B1

    公开(公告)日:2001-03-27

    申请号:US09257112

    申请日:1999-02-25

    IPC分类号: F04D2958

    摘要: A fan drive assembly including a cooling fan (11) and a fluid coupling device (13). The cooling fan includes a fan hub (17), a spider (15), and a plurality of fan blades (19). The coupling device has an output coupling assembly (21) including a body (23) and a cover (25). The body (23) includes preferably only three mounting portions (67), each being disposed immediately adjacent an outer periphery of the body. Each of the mounting portions (67) defines the necessary machining chucking surfaces (73), and a spider mounting surface (75) including a pilot surface (77) engaging the pilot diameter (79) of the spider (15). The body (23) includes cooling fins (61) covering substantially all of the rearward surface (59) of the body not covered by the mounting portions. The fan hub (17) also includes a rearwardly extending air dam portion (81), limiting localized radial air flow. The present invention is able to improve the radial air flow through the body cooling fins and achieve substantially greater heat dissipation from the fan drive assembly, thus permitting greater fan speed for a given input speed.

    摘要翻译: 一种风扇驱动组件,包括冷却风扇(11)和流体联接装置(13)。 冷却风扇包括风扇集线器(17),星形架(15)和多个风扇叶片(19)。 联接装置具有包括主体(23)和盖(25)的输出联接组件(21)。 主体(23)优选地仅包括三个安装部分(67),每个安装部分紧邻主体的外周设置。 每个安装部分(67)限定必要的加工夹紧表面(73)和包括接合蜘蛛(15)的引导直径(79)的引导表面(77)的蜘蛛安装表面(75)。 主体(23)包括覆盖未被安装部分所覆盖的主体的所有后表面(59)的散热片(61)。 风扇轮毂(17)还包括向后延伸的空气阻挡部分(81),限制局部径向空气流动。 本发明能够改善通过主体散热片的径向空气流动并且实现从风扇驱动组件获得显着更大的散热,从而允许给定输入速度的更大的风扇速度。