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    • 73. 发明申请
    • LIGHT WEIGHT AUTOMOTIVE HID IGNITER
    • 轻量级汽车智慧型IGNITER
    • WO2008144166A3
    • 2009-01-15
    • PCT/US2008061486
    • 2008-04-25
    • GEN ELECTRICVARGA VIKTOR KLI JIANWUABOUMRAD TONY
    • VARGA VIKTOR KLI JIANWUABOUMRAD TONY
    • H01F38/08
    • H01F38/10H01F27/022H01F27/266H01F27/2828H01F27/2866H01F27/326H01F41/005H05B41/2881
    • A light weight, bobbinless high voltage transformer and igniter module is provided that meets low-cost and high-reliability requirements for automotive HID products. A printed circuit board (112) serves as a carrier for low voltage electronic components. A high voltage bar core transformer (114) is held in a cradle (130, 130') that accommodates potting material and has a channel (160) that receives a high voltage wire extending from the transformer for connection with a lead (104) of an HID lamp (100). Thin walls (210, 212) allow the cradle to serve as the cavity for the potting of the transformer. In addition, multilayer dielectric material is disposed between the primary and secondary windings. Preferably, the primary winding (196) is a strap that covers a large surface area of the secondary winding (192).
    • 提供重量轻,无骨架高压变压器和点火器模块,满足汽车HID产品的低成本和高可靠性要求。 印刷电路板(112)用作低电压电子部件的载体。 高压棒式变压器(114)被保持在容纳灌封材料的支架(130,130')中,并且具有通道(160),该通道(160)接收从变压器延伸的高压导线,用于与 HID灯(100)。 薄壁(210,212)允许支架用作变压器灌封的空腔。 此外,多层电介质材料设置在初级和次级绕组之间。 优选地,初级绕组(196)是覆盖次级绕组(192)的大表面积的带子。
    • 77. 发明申请
    • HIGH EFFICIENCY, HIGH FREQUENCY TRANSFORMER
    • 高效率,高频变压器
    • WO1994008346A1
    • 1994-04-14
    • PCT/US1993007887
    • 1993-08-23
    • SQUARE D COMPANY
    • SQUARE D COMPANYLEVRAN, AlexanderNOWOSIELSKI, Joseph, MarionTON-THAT, Giao, MongRAJAGOPALAN, Ramamoorthy
    • H01F27/30
    • H01F27/2866H01F27/306
    • The present invention locates the primary winding (12) of a transformer in a configuration where it substantially surrounds the secondary winding (20) of the transformer in order to enhance the efficiency of the electromagnetic coupling. High magnetic permeability material (14) surrounds portions of the primary winding (12) of the transformer. The transformer is designed to efficiently operate at frequencies of approximately 50 kilohertz. In one preferred embodiment, the primary winding (12) of the invention is formed of two U-shapes in which the parallel members of the U are substantially longer than the bottom portion of the U. The two U-shapes form a rectangular shape and the substantially parallel rectangular portions are surrounded by high magnetic permeability material (14) to further enhance the electromagnetic coupling between the primary winding (12) and the secondary winding (20).
    • 本发明将变压器的初级绕组(12)定位成其基本上围绕变压器的次级绕组(20)的构造,以便提高电磁耦合的效率。 高磁导率材料(14)围绕变压器的初级绕组(12)的部分。 变压器被设计为在大约50千赫的频率下有效地工作。 在一个优选实施例中,本发明的初级绕组(12)由两个U形形成,其中U的平行构件基本上长于U的底部。两个U形形成矩形, 基本上平行的矩形部分被高磁导率材料(14)包围,以进一步增强初级绕组(12)和次级绕组(20)之间的电磁耦合。