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    • 5. 发明授权
    • Coiled tubing hanger
    • 卷管衣架
    • US5727631A
    • 1998-03-17
    • US614433
    • 1996-03-12
    • Dwight BakerJames C. Baker
    • Dwight BakerJames C. Baker
    • E21B19/22E21B33/04E21B19/10
    • E21B19/22E21B33/0422
    • A coiled tubing hanger including a hanger bowl, a slip bowl supported in the hanger body, a plurality of slip segments disposed in the slip bowl so as to be movable between a retracted position wherein the tubular member is able to pass through the coiled tubing hanger and an extended position wherein a serrated surface of the slip segments engages the coiled tubing and forces the slip segments along the slip bowl so as to wedge the slip segments between the slip bowl and the coiled tubing to hold the coiled tubing. The slip segments are biased in the retracted position with a pair of slip retaining rings and the slip segments are moved between the retracted portion and the extended position with a plurality of spring-loaded pins disposed through the hanger body and engagable against the outer side of the slip segments such that the slip segments are disposed in the extended position when the pins are urged inwardly and such that the slip segments are biased in the retracted position when the pins are urged outwardly.
    • 一种连续油管悬挂器,包括衣架碗,支撑在衣架主体中的滑动碗,设置在滑动碗中的多个滑动部分,以便能够在缩回位置之间移动,其中管状构件能够穿过连续油管衣架 以及延伸位置,其中滑动段的锯齿形表面接合连续油管并且迫使滑动部分沿着滑动碗,以便将滑动部分楔在滑动碗和连续油管之间以保持连续油管。 滑动片段在缩回位置被一对滑动保持环偏置,并且滑动部分在缩回部分和延伸位置之间移动,并且多个弹簧加载的销穿过衣架主体并且可抵靠在 滑动部分使得当销被向内推动时滑动部分设置在伸出位置,并且当销被向外推动时,滑动部分被偏压在缩回位置。
    • 8. 发明授权
    • Time division multiplex system suited for burst analog transmission
    • 时分复用系统适用于突发模拟传输
    • US4930126A
    • 1990-05-29
    • US362634
    • 1989-06-05
    • Henry L. KazeckiJames C. Baker
    • Henry L. KazeckiJames C. Baker
    • H04B1/66H04B14/06
    • H04B1/662H04B14/064
    • The transmission and reception of burst analog signals, such a voice signal, over a TDM system is improved according to the present invention by minimizing discontinuities between the signal at the end of its time slot in one frame relative to the beginning signal at its next time slot in the following TDM frame. In the TDM transmitter, stored digital information transmitted during its time slot is reprocessed during the preceding time slot in the next frame in order to maintain magnitude continuity. In the TDM receiver, the feedback signal to an analog to digital conversion circuit is switched during non-active time slots to follow data being clocked out of a digital storage element at a frame rate such that the data clocked out preceding the next active time slot will correspond to the data present at the end of the preceding active time slot.
    • 根据本发明,改进了通过TDM系统的突发模拟信号(例如语音信号)的发送和接收,通过最小化其帧中相对于起始信号在其下一时间的一帧结束时的信号之间的不连续性 在以下TDM帧中的时隙。 在TDM发射机中,在其时隙期间发送的存储的数字信息在下一帧的前一时隙内重新处理,以便保持大小连续性。 在TDM接收机中,在非有效时隙期间切换到模数转换电路的反馈信号,以跟随数据以帧速率从数字存储元件输出的数据,使得在下一活动时隙之前计时的数据 将对应于在前一活动时隙结束时存在的数据。