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    • 4. 发明授权
    • Positioning structure for air fan induction element and stator
    • 风机感应元件和定子的定位结构
    • US06756718B2
    • 2004-06-29
    • US09876097
    • 2001-06-08
    • Bill Lee
    • Bill Lee
    • H02K112
    • H02K1/187H02K1/145H02K11/33H02K29/03Y10T29/49009
    • A positioning structure for air fan induction element and stator is capable of precisely positioning an air fan induction element and a stator in an air fan. The induction element is located at a desired position on a circuit board. The position is defined by a circle center coincided with the center of a shaft opening of the circuit board, and a zone defined by a base line ±10 degrees (for quadruple-pole stators), with the base line formed by intersecting the circuit board with an equipartition plane of a front end and a rear end of two neighboring and opposing pole struts, or a zone defined by a base line ±5 degrees (for octonary-pole stators), with the base line formed by intersecting the circuit board with the equipartition plane of the front pole end of an upper pole sheet and the rear pole end of a lower pole sheet. The structure is simple and can position the induction element precisely, thereby improves electric current, air pressure and air flow rate and rotation speed of the air fan and increases air fan durability.
    • 风扇感应元件和定子的定位结构能够将风扇感应元件和定子精确地定位在风扇中。 感应元件位于电路板上的所需位置。 该位置由与电路板的轴孔的中心一致的圆心和由基线±10度(四极定子)限定的区域限定,基线与电路板相交形成 具有两个相邻和相对的极柱支柱的前端和后端的等分面,或由±5度的基线限定的区域(用于八极定子),其基线与电路板与 上极片的前极端的等分面和下极片的后极端。 结构简单,可以精确定位感应元件,从而提高风扇的电流,空气压力,空气流量和转速,增加风扇耐久性。
    • 7. 发明授权
    • Bi-directional incoming air flow fan
    • 双向进风风机
    • US06709229B1
    • 2004-03-23
    • US10139504
    • 2002-05-07
    • Bill Lee
    • Bill Lee
    • F01D302
    • F04D29/281F04D25/06
    • A bi-directional incoming air flow fan comprises a case in which is mounted a rotor that includes a plurality of rotary blades. The case has top and bottom faces that are respectively provided with a first and second air inlet having approximately a same surface area. A side of the case is further provided with an air outlet. Furthermore, each rotary blade includes upper and lower sides that respectively have an axial flow guiding rib, and a free section that is inclined to form a radial flow section. Thereby, once the rotor (40) is put in rotation, air flow amount and pressure are increased by means of the axial flow guiding ribs (61) that create an uniform air flow. As a result, rotor deviation and floating force are reduced, thereby reducing mechanical frictions and parasitic noise.
    • 双向进气风扇包括其中安装有包括多个旋转叶片的转子的壳体。 壳体具有分别具有大致相同表面积的第一和第二空气入口的顶面和底面。 壳体的一侧还设置有空气出口。 此外,每个旋转叶片包括分别具有轴向流引导肋的上侧和下侧以及倾斜形成径向流动部的自由部。 因此,一旦转子(40)旋转,则通过产生均匀气流的轴流引导肋(61)来增大空气流量和压力。 结果,转子偏差和浮力减小,从而减少机械摩擦和寄生噪声。
    • 8. 发明授权
    • Coupling structure for bearing and bushing
    • 轴承和轴套的联轴器结构
    • US06632022B2
    • 2003-10-14
    • US09934831
    • 2001-08-23
    • Bill Lee
    • Bill Lee
    • F16C2100
    • F16C21/00
    • A coupling structure for bearing and bushing. The structure includes a ball bearing, a washer and an oil-retained bearing housed sequentially in a housing chamber of a bushing. The housing chamber has one end formed a lip opening for anchoring the bearings and the washer such that the bearings and the washer are allowed to attain precise positioning and concentricity, with reduced vibration, and prevent lubrication oil of the oil-retained bearing from flowing to the ball bearing to effectively minimize noise and vibration.
    • 轴承和轴套的联轴器结构。 该结构包括一个滚珠轴承,一个垫圈和一个油套保持轴承,其顺序地容纳在衬套的容纳室中。 容纳室的一端形成有用于锚固轴承和垫圈的唇形开口,使得允许轴承和垫圈获得精确的定位和同心度,减少振动,并且防止油保持轴承的润滑油流入 球轴承有效减少噪音和振动。
    • 9. 发明授权
    • D.C. brushless air fan with an annular oil trough
    • 直流无刷风扇带环形油槽
    • US06376946B1
    • 2002-04-23
    • US09934830
    • 2001-08-23
    • Bill Lee
    • Bill Lee
    • H02K1100
    • H02K5/1675Y10S310/06
    • An improved D.C. brushless air fan comprises a rotor, a stator and a casing. The rotor has vanes mounting to a spindle and has a juncture with an oil cap located at the juncture. The oil cap has an annular oil trough to prevent oil from spinning out. The stator has a lower insulation plate which has inverse hooks formed in diagonal fashion. The casing has a center strut and latch sections symmetrical about the axis of the strut matching and engageable with the inverse hooks. The latch sections have axial grooves extending to the bottom thereof.
    • 改进的直流无刷风扇包括转子,定子和壳体。 转子具有安装到主轴的叶片,并且具有位于接合处的油帽的接合处。 油盖有一个环形油槽,以防止油流出。 定子具有下部绝缘板,其具有以对角方式形成的反向钩。 壳体具有中心支柱和闩锁部分,其关于支柱的轴线对称,并且可与逆钩接合。 闩锁部分具有延伸到其底部的轴向凹槽。