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    • 3. 发明申请
    • FREE PISTON STIRLING ENGINE
    • 自由活塞式发动机
    • WO2009070771A1
    • 2009-06-04
    • PCT/US2008/085044
    • 2008-11-26
    • TIAX LLCOWENS, Kingston
    • OWENS, Kingston
    • F02G1/043
    • F02G1/0435F02G2243/202F02G2280/10
    • A free piston Stirling engine, comprising a power piston fitted into a cylinder further includes: a support structure carrying moving magnets for a linear alternator; and a passive structure that at normal operating power and frequency produces a restoring force on the piston in the absence of contact with the cylinder. In one variation, the passive structure further comprises a mass suspended within the piston from at least one spring, such that the mass oscillates under influence of movement of the piston at normal operating power and frequency so as to produce the restoring force. In another variation, the passive structure further comprises: a magnet disposed outside the cylinder at a position and in an orientation to produce a field that opposes a field of a moving magnet carried by the support structure when the piston moves toward the magnet.
    • 一种自由活塞斯特林发动机,其包括装配到气缸中的动力活塞,还包括:承载线性交流发电机的运动磁体的支撑结构; 以及在正常操作功率和频率下在不与气缸接触的情况下在活塞上产生恢复力的被动结构。 在一个变型中,被动结构还包括从至少一个弹簧悬挂在活塞内的质量块,使得该质量在正常工作功率和频率下在活塞运动的影响下振荡,从而产生恢复力。 在另一种变型中,被动结构进一步包括:磁体,其设置在气缸的位置和方向的外侧,以产生当活塞朝向磁体移动时由支撑结构承载的移动磁体的场相对的场。