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    OPTICAL NAVIGATION SYSTEM
    3.
    发明公开
    OPTICAL NAVIGATION SYSTEM 审中-公开
    光学导航系统

    公开(公告)号：EP3289375A1

    公开(公告)日：2018-03-07

    申请号：EP16767049.6

    申请日：2016-02-26

    申请人： Raytheon Company

    发明人： GESWENDER, Chris E. ,  GARRETT, David G. ,  CHAPMAN, William L. ,  HEAD, James N.

    IPC分类号： G01S1/70

    摘要： Technology for facilitating position determination is disclosed. A satellite with a known location can activate a light source on the satellite operable to emit light. The satellite can emit the light for a defined period of time to enable a receiver to detect the light and determine a geographical location using the light emitted from the satellite.

    INTEGRATED THRUSTER
    4.
    发明公开
    INTEGRATED THRUSTER 审中-公开

    公开(公告)号：EP3510346A1

    公开(公告)日：2019-07-17

    申请号：EP17787974.9

    申请日：2017-03-21

    申请人： Raytheon Company

    发明人： SUMMERS, Matthew H. ,  DANFORTH, Jeremy C. ,  GARRETT, David G. ,  KNYAZEV, Dmitry V. ,  BAGG, Stephen M. ,  GIBSON, Gaines S.

    IPC分类号： F42B10/66

    摘要： A thruster has an additively-manufactured housing that includes an integrally-formed nozzle with a burst disk in it. The housing is part of a casing that surrounds and encloses a propellant that is burned to produce pressurized gases that burst the burst disk and produce thrust. The thruster may be placed in a receptacle that defines a recess for receiving the thruster. The receptacle also may be additively manufactured. The thruster and the recess both may be cylindrical, with the housing being closely fit with the cylindrical walls of the receptacle. This may allow some of the structural loads on the housing, such as loads produced by the combustion of the propellant, to be transferred to the adjoining walls of the receptacle. This enables the housing to have less structural strength than if it were to have to contain the pressure from the propellant all on its own.