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    • 2. 发明申请
    • Heat exchangers with corrugated heat exchange elements of improved strength
    • 具有波纹热交换元件的热交换器具有改进的强度
    • US20070012430A1
    • 2007-01-18
    • US11183687
    • 2005-07-18
    • Brian DukeRaymond CaronJames CottonIhab GergesMark Kozdras
    • Brian DukeRaymond CaronJames CottonIhab GergesMark Kozdras
    • F28F13/12
    • F28F3/027F28F1/128
    • A corrugated fin or turbulizer for a heat exchanger comprises a series of corrugations with parallel side walls. The side walls are provided with a series of parallel slits between which one-sided or two-sided louvers are defined. Each of the louvers has first and second edges extending along an adjacent pair of slits, and at least one bend located between the edges, thereby causing at least one of the edges of the louver to project outwardly of the plane of the side wall, and providing the side wall with improved crush resistance. The corrugations may preferably be rectangular or trapezoidal in form, having generally flat top and bottom surfaces defined by two closely-spaced bends. The top and bottom surfaces may preferably be provided with protrusions, at least some of which extend close to the bends. This assists in creating localized areas of weakness along which the bends can be formed cleanly.
    • 用于热交换器的波纹翅片或湍流器包括具有平行侧壁的一系列波纹。 侧壁设置有一系列平行狭缝,其间限定有单面或双面百叶窗。 每个百叶窗具有沿着相邻的一对狭缝延伸的第一和第二边缘,以及位于边缘之间的至少一个弯曲部,从而使百叶窗的至少一个边缘从侧壁的平面向外突出,以及 为侧壁提供了更好的耐挤压性。 波纹可以优选地呈矩形或梯形形式,具有由两个紧密间隔的弯曲限定的大致平坦的顶部和底部表面。 顶部和底部表面可以优选地设置有突起,其中至少一些突出部分靠近弯曲部延伸。 这有助于创造本地化的弱点,弯曲可以形成干净。
    • 3. 发明授权
    • Motorized golf bag cart
    • 电动高尔夫球包车
    • US06283238B1
    • 2001-09-04
    • US09237818
    • 1999-01-27
    • Larry G. RoyerC. Calvin HansenJames CottonClyde J. Fleener
    • Larry G. RoyerC. Calvin HansenJames CottonClyde J. Fleener
    • B62D5104
    • B62B3/022B62B5/0046B62B2202/404B62B2205/145Y10S180/906Y10S280/06
    • A motorized golf bag cart includes a base frame which extends and retracts telescopically to respectively expand or collapse a battery mounting area. A drive motor supported in the base frame is linked to a drive axle which selectively drives a pair of drive wheel hubs positioned on respective opposite sides of the base frame. The base frame also includes a pair of transversely extending hollow tube which receive respective first and second telescoping support axles such that they are movable between an extended, operative position and a retracted, compact storage position. An articulating handle is designed to be compactly folded. The inventive golf bag cart is thus quickly and easily changeable between an extremely compact storage and transport configuration and a very stable, four wheeled, operative position.
    • 一种电动高尔夫球包车包括一个底座,它可伸缩地伸缩缩回以分别展开或折叠电池安装区域。 支撑在基架中的驱动马达连接到驱动轴,该驱动轴选择性地驱动位于基架的相对相对侧上的一对驱动轮毂。 底架还包括一对横向延伸的中空管,该中空管容纳相应的第一和第二伸缩支撑轴,使得它们能够在延伸的操作位置和缩回的紧凑的储存位置之间移动。 铰链手柄被设计成紧凑折叠。 因此,本发明的高尔夫球包车可以在非常紧凑的存储和运输配置和非常稳定的四轮操作位置之间快速且容易地改变。