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    • 1. 发明授权
    • Pulsed particle beam vacuum-to-air interface
    • 脉冲粒子束真空到空气界面
    • US4785254A
    • 1988-11-15
    • US63602
    • 1987-06-18
    • Gilbert E. CruzWilliam F. Edwards
    • Gilbert E. CruzWilliam F. Edwards
    • H01J5/18H05H7/10
    • H01J5/18
    • A vacuum-to-air interface (10) is provided for a high-powered, pulsed particle beam accelerator. The interface comprises a pneumatic high speed gate valve (18), from which extends a vacuum-tight duct (26), that termintes in an aperture (28). Means (32, 34, 36, 38, 40, 42, 44, 46, 48) are provided for periodically advancing a foil strip (30) across the aperture (28) at the repetition rate of the particle pulses. A pneumatically operated hollow sealing band (62) urges foil strip (30), when stationary, against and into the aperture (28). Gas pressure means (68, 70) periodically lift off and separate foil strip (30) from aperture (28), so that it may be readily advanced.
    • 为大功率脉冲粒子束加速器提供真空到空气的接口(10)。 接口包括气动高速闸阀(18),从气门高速闸阀(18)延伸出真空密封管道(26),该真空密封管道(26)延伸出孔(28)。 提供装置(32,34,36,38,40,42,44,46,48),用于以颗粒脉冲的重复速率周期性地推进箔条(30)穿过孔(28)。 气动操作的中空密封带(62)在固定时抵靠并进入​​孔(28)中推动箔条(30)。 气体压力装置(68,70)周期性地提起并将箔条(30)与孔(28)分开,使得其可以容易地前进。