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    • 2. 发明授权
    • Nuclear reactor
    • 核反应堆
    • US06718001B2
    • 2004-04-06
    • US09942945
    • 2001-08-31
    • Masataka HidakaTadashi FujiiMasaya OhtsukaNaoyuki YamadaJunichi Yamashita
    • Masataka HidakaTadashi FujiiMasaya OhtsukaNaoyuki YamadaJunichi Yamashita
    • G21C900
    • G21C15/18G21Y2002/301G21Y2002/50G21Y2004/30Y02E30/40
    • In an indirect cycle nuclear reactor, a size of the reactor containment vessel is decreased by removing decay heat inside the reactor pressure vessel without using any active component to improve the economic feasibility. A main steam pipe communicating with a heat exchanger of the indirect cycle nuclear reactor is branched in a position upstream of a main steam isolation valve to connect the branched pipe to a heat exchanger in a pressure suppression pool through an isolation valve. A feed water pipe is also branched in a position upstream of an isolation valve to connect the branched pipe to the heat exchanger through the isolation valve. Decay heat is dissipated from the heat exchanger into the pressure suppression pool, and condensed water condensed by heat dissipation is returned to the heat exchanger to cool the inside of the pressure vessel. Heat in the pressure suppression pool is transferred from a condensing type heat exchanger to a heat dissipater outside a containment vessel to be dissipated to the outside of the containment vessel.
    • 在间接循环核反应堆中,通过在反应器压力容器内除去腐蚀热而不使用任何活性组分来改善反应堆容纳容器的尺寸以改善经济可行性。 与间接循环核反应堆的热交换器连通的主蒸汽管在主蒸汽隔离阀的上游位置分支,以通过隔离阀将分支管连接到压力抑制池中的热交换器。 给水管也在隔离阀的上游位置分支,以通过隔离阀将分支管连接到热交换器。 衰变热从热交换器消散到压力抑制池中,通过散热冷凝的冷凝水返回到热交换器以冷却压力容器的内部。 压力抑制池中的热量从冷凝式热交换器传送到安全壳外部的散热器,以散发到安全壳的外部。
    • 3. 发明授权
    • Fluid plant and its operating method
    • 流体工厂及其操作方法
    • US5566709A
    • 1996-10-22
    • US77063
    • 1993-06-16
    • Tadashi FujiiYoshiyuki KataokaShoichiro Kinoshita
    • Tadashi FujiiYoshiyuki KataokaShoichiro Kinoshita
    • G21D3/00F04B49/03F04B49/06F04B49/10G05D7/06G21D3/04G21D3/08F04B41/06
    • G05D7/0682F04B49/03F04B49/065F04B49/106G21D3/08Y02E30/40Y10T137/7761Y10T137/86027Y10T137/86163
    • In a plant equipment comprising apparatus of a plurality of systems and control means for switching the systems and changing capacities of the apparatus, an apparatus of each system bas a rated capacity which is 1/N of a capacity of the whole equipment, and the plant equipment is constituted of (N+1) systems. In conditions of normal operation, all the (N+1) systems are operated at capacities less than the rated capacity through the control means. During normal operation, when one system is inspected, or when an abnormality occurs in one system, this system is stopped by the control means. Capacities of apparatus in N of the systems which are operated are increased to the rated 1/N capacity through the control means, and operation is continued with a structure of 1/N capacity.times.N systems. When the maintenance of apparatus in the stopped system is finished, the stopped system is restarted, so as to operate all of the (N+1) systems at capacities less than the rated capacity again.
    • 在包括多个系统的设备和用于切换系统和改变设备的容量的控制装置的设备设备中,每个系统的设备的额定容量为整个设备的容量的1 / N,并且该设备 设备由(N + 1)系统构成。 在正常运行的情况下,所有(N + 1)系统通过控制装置运行在小于额定容量的容量下。 在正常操作期间,当一个系统被检查时,或者在一个系统中发生异常时,该系统被控制装置停止。 通过控制装置将运行的系统中的N个装置的容量增加到额定的1 / N容量,并且以1 / N capacity×N系统的结构继续运行。 当停止的系统中的设备的维护完成时,重新启动停止的系统,以便再次以小于额定容量的容量操作所有的(N + 1)系统。
    • 4. 发明授权
    • Nuclear reactor with cooling apparatus and method
    • 具有冷却装置和方法的核反应堆
    • US5309489A
    • 1994-05-03
    • US854465
    • 1992-03-19
    • Hitoshi TateKenji TominagaTadashi Fujii
    • Hitoshi TateKenji TominagaTadashi Fujii
    • G21C9/004G21C13/00G21C15/18
    • G21C15/182G21Y2002/201G21Y2002/206G21Y2002/50G21Y2004/302G21Y2004/402Y02E30/40
    • Nuclear reactor and nuclear reactor cooling facilities, and also a nuclear power generation plant and a method of its operation are disclosed. The reliability of cooling function at the time of anticipated accidents is substantially improved through enhancing a cooling efficiency of the gas in the reactor container without resorting to any particular active means. Guide structure is provided for circulating the gas present in the reactor container so as to accelerate heat removal therefrom to the outside through the surface of the reactor container. The arrangement includes an internal structure for retaining a coolant in the reactor container; and upper space portion disposed over the internal structure; a first gas flow passage for directing downward the gas present in the above upper space portion; and a second gas flow passage connecting the first gas flow passage with the upper space portion. Further, circulation structure is provided for circulating the gas in the above reactor container through utilization of the decay heat of the core. By means of the natural circulation through the wet well vapor phase including the upper space portion, with nitrogen gas (N.sub.2) rendered ubiquitous in the wet well vapor phase portion thereby the gas temperature being evenly distributed, it is possible to substantially improve the core decay heat removal efficiency in the reactor container by air cooling.
    • 公开了核反应堆和核反应堆冷却设施,以及核电站及其运行方法。 通过提高反应堆容器中的气体的冷却效率,而不用任何特定的有效装置,预期事故时的冷却功能的可靠性大大提高。 提供引导结构用于循环存在于反应堆容器中的气体,以便通过反应堆容器的表面加速其从外部的排出。 该装置包括用于将冷却剂保持在反应堆容器中的内部结构; 和设置在所述内部结构上的上部空间部分; 用于向下引导存在于上述上部空间部分中的气体的第一气体流路; 以及连接第一气体流路和上部空间部的第二气体流路。 此外,提供了循环结构,用于通过利用芯的衰减热使上述反应器容器中的气体循环。 通过包括上部空间部分的湿气相的自然循环,氮气(N2)在湿气相部分中普遍存在,从而气体温度均匀分布,可以显着改善核心衰变 通过空气冷却反应容器中的除热效率。
    • 9. 发明授权
    • Sheet supply apparatus
    • 供纸装置
    • US5174560A
    • 1992-12-29
    • US886193
    • 1992-05-21
    • Tadashi Fujii
    • Tadashi Fujii
    • B65H3/08B65H3/56B65H9/00B65H9/06B65H9/10
    • B65H3/0833
    • A sheet supply apparatus supplies a sheet such as an X-ray sheet film from a cassette to a recording device. The sheet supply apparatus has at least a pair of rollers for gripping and feeding a sheet, a feeding mechanism for feeding a sheet from a storage cassette and supplying the sheet along a feed path to the pair of rollers, a tilt correcting mechanism having for correcting the sheet out of a tilted condition with respect to a direction transverse to the feed path, and a position correcting mechanism for displacing the pair of rollers in the direction while the pair of rollers is gripping the sheet, to correct the sheet positionally with respect to the direction. The feeding mechanism has suction devices movable into the feed path for attracting the sheet under vacuum, and the tilt correcting mechanism has at least a pair of stoppers movable into the feed path for engaging a leading end of the sheet to correct the sheet out of the tilted condition. The sheet supply apparatus also has a drive mechanism for displacing the suction devices and the stoppers between the feed path and respective positions outside of the feed path.
    • 片材供应装置将诸如X射线片材的片材从盒子提供到记录装置。 片材供给装置具有至少一对用于夹持和供给片材的辊子,用于从存储盒进给片材并将片材沿着进给路径供给到该对辊子的进给机构,用于校正 所述片材相对于与所述进给路径横向的方向处于倾斜状态;以及位置校正机构,用于在所述一对辊子夹持所述片材的同时使所述一对辊沿所述方向移位,以相对于所述片材的位置校正所述片材 方向。 进给机构具有能够进入进给路径的抽吸装置,用于在真空下吸引片材,并且倾斜校正机构具有至少一对可移动到进给路径中的止动件,用于接合片材的前端以将片材从 倾斜状态。 供纸装置还具有驱动机构,用于使进给路径和进给路径外侧的相应位置之间的抽吸装置和止动件移位。
    • 10. 发明授权
    • Drawing device
    • 绘图装置
    • US4989301A
    • 1991-02-05
    • US418864
    • 1989-10-10
    • Tomihisa IshiiSatoshi HoribeTadashi FujiiTetsuji Ohashi
    • Tomihisa IshiiSatoshi HoribeTadashi FujiiTetsuji Ohashi
    • D03J1/14
    • D03J1/14
    • The drawing device inserts a warp into a heald hole of a heald and between reed dents of a reed. The device comprises an air guide including an air passage having an entrance and an exit, an air stream generating mechanism operationally connected with the air passage for generating an air stream running from the entrance toward the exit in the air passage, a heald feeding and moving mechanism for feeding one heald just in front of the entrance of the air passage and for arranging the heald so that the heald hold of the heald may be opposite to the entrance, and a warp feeding mechanism for feeding and arranging a warp just in front of the heald hole of the heald arranged just in front of the entrance of the air passage.
    • 拉丝装置将经纱插入到综丝的综合孔中,并在芦苇的筘头之间插入。 该装置包括具有入口和出口的空气通道的空气引导件,与空气通道可操作地连接的气流产生机构,用于产生从入口朝向空气通道中的出口流动的气流,综合进给和移动 用于将一个综合单元供给到正好位于通道入口前面的机构,并且用于布置综合器,使得综丝的综框可以与入口相对;以及经纱进给机构,用于将经纱进给和布置在正前方 综合综框的通风孔正好位于通风口的入口前方。