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    • 2. 发明授权
    • Electrically conductive interposer and array package concept for
interconnecting to a circuit board
    • 用于与电路板互连的导电插入器和阵列封装概念
    • US5321583A
    • 1994-06-14
    • US984335
    • 1992-12-02
    • John F. McMahon
    • John F. McMahon
    • H01R4/28H01R12/71H01R13/24H05K3/32H05K7/10H05K7/12
    • H01R13/2414H01R12/714H05K3/325H05K7/1061H01R4/28
    • An electronic assembly that includes an electronic package which is coupled to a circuit board by a plurality of metal spheres that are captured by an interposer. The metal spheres electrically couple a plurality of first conductive pads on the electronic package with a plurality of second conductive pads on the circuit board. The spheres are pressed into operative contact with the conductive pads by a clamp adapted to apply a pressure to the electronic package. The metal spheres are captured by the interposer so that the spheres can rotate relative to the electronic package and the circuit board. The rotating spheres function as bearings which allow the interposer and package to be removed from the clamp and board without detaching the clamp. The electronic package can be coupled to the circuit board by merely pushing the package and interposer between the clamp and board until the metal spheres are properly aligned with the conductive pads.
    • 一种电子组件,其包括电子封装,该电子封装通过由插入器捕获的多个金属球耦合到电路板。 金属球将电子封装上的多个第一导电焊盘与电路板上的多个第二导电焊盘电耦合。 通过适于向电子包装施加压力的夹具将球体压制成与导电垫片操作性接触。 金属球体被插入器捕获,使得球体可以相对于电子封装件和电路板旋转。 旋转球体用作轴承,允许插入器和封装从夹具和板上拆卸而不拆卸夹具。 电子封装可以通过仅将封装和插入件夹在夹具和板之间而连接到电路板,直到金属球与导电垫正确对准。
    • 7. 发明授权
    • Compact water jet propulsion system for a marine vehicle
    • 紧凑型水上喷气推进系统
    • US5476401A
    • 1995-12-19
    • US314301
    • 1994-09-30
    • Frank B. PetersonCharles M. DaiJohn F. McMahon
    • Frank B. PetersonCharles M. DaiJohn F. McMahon
    • B63H11/08B63H11/103
    • B63H11/08
    • The invention is directed to an improved water jet propulsion system for a marine vehicle. The water jet propulsion system of the present invention incorporates an unconventional and compact design including a short, steep, hydrodynamically designed inlet duct adapted for mounting to the surface of the vehicle hull and extending internally thereof, a water jet pump having an inlet end attached to the outlet end of the inlet duct, a motor for rotating the pump impeller, a drive shaft located completely outside of the flow path connecting the motor with the pump impeller, a flow passage for discharging accelerated flow received from the pump in a generally rearward direction, and a steering and reversing mechanism pivotably mounted about a substantially vertical axis to the aft portion of the vehicle hull for redirect accelerated flow received from the outlet nozzle so as to provide maneuvering capability to the vehicle.
    • 本发明涉及用于船用车辆的改进的水喷射推进系统。 本发明的喷水推进系统包括非常规且紧凑的设计,包括适于安装到车体表面并在其内部延伸的短,陡,流体动力学设计的入口管道,水喷射泵,其入口端连接到 入口管道的出口端,用于旋转泵叶轮的马达,完全位于将马达与泵叶轮连接的流动路径外侧的驱动轴,用于沿大致向后的方向排出从泵接收的加速流的流动通道 以及转向和反向机构,该转向和反向机构绕着基本上垂直的轴线枢转地安装到车身的后部,用于从出口喷嘴接收的重定向加速流,从而为车辆提供操纵能力。