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    • 2. 发明申请
    • Counter-flow heat exchanger for ceramic gas generator
    • 陶瓷气体发生器逆流换热器
    • US20040096377A1
    • 2004-05-20
    • US10065562
    • 2002-10-30
    • Litton Systems, Inc.
    • Sammy K. MickelsonRussell F. Hart
    • F28D001/00F28D007/00F28D021/00
    • F28D7/106F28D2021/0043F28F1/04H01M8/04074
    • A heat exchanger (E) for systems having a heat generating furnace (F) includes at least one heat exchanging arm (10) formed from an inner (12) and an outer (14) concentric tube with an inner (16) and outer (18) passageway separated by a common wall (20). The inner concentric tube (12) has a first end (22) with a fluid flow outlet (24) for discharging an exhaust fluid (26) and a second end (28) with a fluid flow inlet (30) for receiving an input (32) of the exhaust fluid. The outer concentric tube (14) has a first end (34) with a fluid flow (36) inlet for receiving an input of an intake (38) fluid flow and a second end (40) with a fluid flow outlet (42) for discharging the intake fluid (38). The exhaust fluid (26) flows through the inner concentric tube (12) in a direction substantially opposite to the intake fluid flow (38) through the heat exchanger arm (10).
    • 用于具有发热炉(F)的系统的热交换器(E)包括至少一个由内部(12)和外部(14)同心管形成的热交换臂(10),内部(16)和外部(16) 18)通道由公共墙(20)分隔开。 内同心管(12)具有第一端(22),其具有用于排放废气流体(26)的流体流出口(24)和具有用于接收输入的流体流入口(30)的第二端(28) 32)排气。 外同心管(14)具有第一端(34),其具有用于接收进气(38)流体流的输入的流体流(36)入口和具有流体流出口(42)的第二端(40),用于 排出进气流体(38)。 废气(26)通过内部同心管(12)通过热交换器臂(10)沿与进气流体流(38)基本相反的方向流动。
    • 6. 发明申请
    • Wedge-shaped microresonator and associated microlaser assembly
    • 楔形微谐振器和相关的微型激光器组件
    • US20020021722A1
    • 2002-02-21
    • US09927205
    • 2001-08-10
    • Litton Systems, Inc.
    • Brian Lee Peterson
    • H01S003/11
    • H01S3/0606H01S3/0085H01S3/025H01S3/0627H01S3/07H01S3/083H01S3/113
    • A wedge-shaped microresonator is provided that can be mounted proximate one or more wedge-shaped electro-optic components in order to construct a densely packed microlaser assembly. The wedge-shaped microresonator has first, second and third side surfaces. The wedge-shaped microresonator includes a passive Q-switch proximate the second side surface and an active gain medium proximate portions of the first and third side surfaces. The wedge-shaped microresonator also includes a reflective surface proximate each of the first, second and third side surfaces. At least one of the reflective surfaces is partially reflective, however, to then permit emission of laser signals. In addition to the wedge-shaped microresonator, a microlaser assembly is provided that also includes at least one wedge-shaped electro-optic component for receiving and modifying the laser pulses emitted by the wedge-shaped microresonator. As a result of the wedge-shape of the microresonator and the electro-optic components, the microlaser assembly can be packed relatively densely.
    • 提供楔形微谐振器,其可以安装在一个或多个楔形电光部件附近,以便构造密集的微型激光器组件。 楔形微谐振器具有第一,第二和第三侧表面。 楔形微谐振器包括靠近第二侧表面的无源Q开关和靠近第一和第三侧表面的部分的主动增益介质。 楔形微谐振器还包括靠近第一,第二和第三侧表面中的每一个的反射表面。 然而,至少一个反射表面是部分反射的,然后允许发射激光信号。 除了楔形微谐振器之外,还提供了一种微激光器组件,其还包括用于接收和修改由楔形微谐振器发射的激光脉冲的至少一个楔形电光部件。 作为微谐振器和电光部件的楔形的结果,微型激光组件可以相对密集地被包装。
    • 7. 发明申请
    • Pressed v-groove pancake slip ring
    • 压制V型槽煎饼滑环
    • US20010004176A1
    • 2001-06-21
    • US09779475
    • 2001-02-09
    • Litton Systems, Inc.
    • Jerry Thomas Perdue
    • H02K013/00
    • H01R43/10H01R39/10Y10T29/49009Y10T29/49011
    • The present invention advantageously provides a cost effective flat rotor for a pancake type slip ring. A flat copper coil sheet is stamped into a corrugated shape having concentric V-ring grooves. The corrugated stamped copper foil sheet is bonded using a bonding agent to a dielectric layer. Multiple concentric V-grooves are formed by separating the grooves, for example, by machining the grooves at an apex thereof in order to form separate electrical circuits. A corresponding plurality of holes extend through each concentric ring and through the dielectric layer from the first side through the second side. A conductive material is placed in each of the plurality of holes to electrically connect each concentric ring to the second side.
    • 本发明有利地提供了一种用于薄饼型滑环的成本有效的扁平转子。 扁平铜线圈板被冲压成具有同心V形环槽的波纹形状。 使用粘合剂将波纹状的铜箔片与电介质层接合。 通过例如通过在其顶点加工凹槽来形成分开的电路而形成多个同心的V形槽,以形成分开的电路。 相应的多个孔从第一侧穿过第二侧延伸穿过每个同心环并穿过电介质层。 将导电材料放置在多个孔中的每一个中,以将每个同心环电连接到第二侧。
    • 10. 发明授权
    • Starting and operating ballast for high pressure sodium lamps
    • 启动和运行高压钠灯的镇流器
    • US3889152A
    • 1975-06-10
    • US51371174
    • 1974-10-10
    • LITTON SYSTEMS INC
    • BODINE JR RICHARD HILLROSIAK MARION
    • H05B41/04H05B37/00
    • H05B41/042Y10S315/02Y10S315/05
    • A ballast for starting and operating a high intensity discharge type lamp is disclosed which incorporates electronic switching elements in one form. The apparatus includes a winding on a magnetic core having at least one tap. A lamp is adapted for connection to the output of the winding and a series circuit of a resistor and a capacitor are connected in parallel of the lamp. A capacitor are connected in parallel of the lamp. A capacitor and a semiconductor control rectifier are connected in series to the tap and diode is connected in shunt of the semiconductor controlled rectifier poled oppositely thereto. A diac is connected to the first capacitor and to the gate electrode of said semiconductor controlled rectifier for triggering the controlled rectifier when the voltage on the capacitor reaches a predetermined level. Suitably the resistor and capacitor circuit is adjusted so that the desired triggering level occurs when the instantaneous AC voltage is at or near a peak level.
    • 公开了用于启动和操作高强度放电型灯的镇流器,其结合了一种形式的电子开关元件。 该设备包括具有至少一个水龙头的磁芯上的绕组。 一个灯适于连接到绕组的输出端,电阻和电容器的串联电路与灯并联连接。 电容器与灯并联连接。 电容器和半导体控制整流器与抽头串联连接,并且二极管以与其相反方向极化的半导体可控整流器的分流器连接。 二极管连接到第一电容器和所述半导体可控整流器的栅电极,用于当电容器上的电压达到预定电平时触发可控整流器。 适当地调节电阻和电容器电路,使得当瞬时AC电压处于或接近峰值电平时发生期望的触发电平。