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    • 3. 发明授权
    • Method and apparatus for controlling electromagnetic radiation emissions generated by electrical components
    • 用于控制由电气部件产生的电磁辐射辐射的方法和装置
    • US06274807B1
    • 2001-08-14
    • US09191962
    • 1998-11-13
    • David PommerenkeDavid DickeyJames J DeBlancVictoria Tsang
    • David PommerenkeDavid DickeyJames J DeBlancVictoria Tsang
    • H05K900
    • H05K9/0062
    • A method and apparatus is provided for reducing or eliminating the amount of electromagnetic radiation being emitted from a system assembly comprising one or more subassemblies which comprise electrical circuits which generate electromagnetic radiation. The method and apparatus of the present invention also reduce or prevent electromagnetic radiation generated by sources outside of the system assembly from interfering with and adversely affecting the electrical circuits comprised in the subassemblies. To achieve these goals, the present invention provides an electromagnetic compatibility (EMC) solution which comprises a plurality of lossy elements, and/or elements comprised of a combination of lossy and conductive material, to reduce electromagnetic radiation. Thus, the conventional EMC solution, which utilizes conductive gaskets on system assemblies and subassemblies, and which requires adequate contact between parts in order to be effective, is replaced by the EMC solution of the present invention, which is more effective at higher frequencies and does not have stringent contact requirements.
    • 提供了一种用于减少或消除从包括一个或多个子组件的系统组件发射的电磁辐射量的方法和装置,所述子组件包括产生电磁辐射的电路。 本发明的方法和装置还减少或防止由系统组件外部的源产生的电磁辐射干扰和不利地影响组件中包括的电路。 为了实现这些目的,本发明提供一种电磁兼容性(EMC)解决方案,其包括多个有损元素和/或由有损和导电材料的组合组成的元件,以减少电磁辐射。 因此,在系统组件和子组件上使用导电垫圈并且需要部件之间充分接触以有效的传统EMC解决方案被本发明的EMC解决方案所取代,该解决方案在较高频率下更有效 没有严格的联系要求。
    • 5. 发明授权
    • Blower impeller apparatus with one way valves
    • 带单向阀的鼓风机叶轮装置
    • US06474936B1
    • 2002-11-05
    • US09834768
    • 2001-04-13
    • James J. deBlancDavid M. DickeyVictoria Tsang Tam
    • James J. deBlancDavid M. DickeyVictoria Tsang Tam
    • F04D2700
    • F04D29/30F04D29/282
    • Blower designs for vented enclosures include an impeller having a plurality of blades. A plurality of one way valves are interleaved between the blades to permit substantial airflow only in one direction. One valve design incorporates flaps coupled to either the blades or the impeller body with spring loaded hinges. Another valve design incorporates a flexible flaps coupled to either the blades or the impeller body. In one embodiment, the one-way valves reside on an insertable hub disposed within an inner periphery of the impeller such that the valves and blades are interleaved. The valves close to restrict air flow when the impeller rotational speed is below a threshold range. The valves open to permit air flow when the rotational speed exceeds the threshold range.
    • 用于排气罩的鼓风机设计包括具有多个叶片的叶轮。 多个单向阀在叶片之间交错,以仅在一个方向上实现大量气流。 一个阀设计包括与弹簧加载的铰链联接到叶片或叶轮本体的翼片。 另一个阀门设计包括耦合到叶片或叶轮本体的柔性翼片。 在一个实施例中,单向阀位于设置在叶轮的内周内的可插入轮毂上,使得阀和叶片交错。 当叶轮转速低于阈值范围时,阀门接近以限制气流。 当转速超过阈值范围时,阀打开以允许空气流动。