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    • 12. 发明授权
    • Rotating fluid machine
    • 旋转流体机
    • US07367783B2
    • 2008-05-06
    • US10791739
    • 2004-03-04
    • Kenji MatsumotoNaoki Itoh
    • Kenji MatsumotoNaoki Itoh
    • F04B1/26
    • F04B27/0804F01B3/0032F04B27/0839
    • A rotary valve for switching supply passages, and discharge passages of high-temperature and high-pressure steam for a rotor rotatably supported at a casing is constructed by making a fixed side valve plate and a movable side valve plate abut to each other on a slide surface. A pressure chamber into which the high-temperature and high-pressure steam is introduced from the supply passage is opened to a mating surface of a valve body portion with the fixed side valve plate. The fixed side valve plate supported to float is pressed against the movable side valve plate with a pressing load generating in the pressure chamber to bring it into close contact with the slide surface. Leakage of the high-temperature and high-pressure steam from the pressure chamber is prevented by placing a V-packing inside the pressure chamber.
    • 用于切换供给通道的旋转阀和用于可旋转地支撑在壳体上的转子的高温高压蒸汽的排出通道通过使固定侧阀板和可动侧阀板彼此靠在滑块 表面。 从供给通道引入高温高压蒸汽的压力室向固定侧阀板的阀体部的配合面开口。 支撑浮动的固定侧阀板在压力室中产生压力负荷而压在可动侧阀板上,使其与滑动面紧密接触。 通过在压力室内放置V型填料来防止来自压力室的高温和高压蒸汽的泄漏。
    • 13. 发明授权
    • Rankine cycle device
    • 兰金循环装置
    • US07000394B2
    • 2006-02-21
    • US10363539
    • 2001-09-04
    • Naoki OhtaNaoki ItohTsuneo EndohTsutomu TakahashiKensuke Honma
    • Naoki OhtaNaoki ItohTsuneo EndohTsutomu TakahashiKensuke Honma
    • F01K7/34
    • F01C21/18F01C1/3446F01C21/0836F01K7/00F02G5/04Y02T10/166
    • A Rankine cycle system is provided in which, with regard to a given relationship between the pressure (Pevp) and the temperature (Tevp) of a vapor that is taken into an expander (4) that includes a cylinder chamber in a first stage and a vane chamber in a second stage, the chambers being disposed in line, the expansion ratio of the vapor that the expander (4) takes in and discharges is set at a predetermined expansion ratio (ε) according to the given relationship so that the pressure (Pexp2) and the temperature (Texp2) of the vapor that is discharged from the expander (4) coincide with target values, thereby making the expander (4) and the condenser (5) exhibit maximum performance. Since the vapor within the cylinder chamber in the first stage is in a superheated vapor region and contains no water, the phenomenon of water hammer will not be caused in the cylinder chamber. Furthermore, since the vapor at the exit of the vane chamber is in a saturated vapor region and contains water, the vane chamber can be lubricated and sealed by means of the water.
    • 提供了一种兰金循环系统,其中,关于压力(Pevp)和进入到包括第一级中的气缸室的膨胀器(4)的蒸汽的温度(Tevp)之间的给定关系,以及 在第二阶段的叶片室中,室被排成一列,膨胀器(4)吸入和排出的蒸气的膨胀比根据给定的关系设定在预定的膨胀比(ε),使得压力 Pexp 2),从膨胀机(4)排出的蒸气的温度(Texp 2)与目标值一致,从而使膨胀机(4)和冷凝器(5)呈现最大性能。 由于第一阶段的气缸室内的蒸气处于过热蒸汽区域并且不含水,所以在气缸室中不会产生水锤现象。 此外,由于叶片室的出口处的蒸汽处于饱和蒸汽区域并且含有水,所以叶片室可以通过水被润滑和密封。
    • 14. 发明申请
    • Rotating fluid machine
    • 旋转流体机
    • US20050089410A1
    • 2005-04-28
    • US10768002
    • 2004-02-02
    • Kenji MatsumotoNaoki Itoh
    • Kenji MatsumotoNaoki Itoh
    • F01B3/02F03C1/34F04B1/20F01B3/00F04B1/12
    • F03C1/0655F01B3/02F04B1/2014F04B1/2042
    • A rotary valve of a rotating fluid machine is constructed by bringing, into contact on sliding faces, a moving valve plate and a stationary valve plate, and high pressure working medium passages and low pressure working medium passages penetrate mating faces of a valve body and the stationary valve plate. By sealing the outer circumference of the mating faces with a first sealing member and sealing the circumference of the low pressure working medium passages with a second sealing member inside the first sealing member in the radial direction, the pressure of a high pressure working medium leaking out of the high pressure working medium passages to the mating faces is caused to act on substantially the whole area of the mating faces, thereby preventing local deformation of the stationary valve plate and ensuring close contact between the sliding faces.
    • 旋转流体机械的旋转阀通过在滑动面上接触移动阀板和固定阀板而构成,高压工作介质通道和低压工作介质通道穿过阀体的配合面和 固定阀板。 通过用第一密封构件密封配合面的外周,并在第一密封构件的径向方向上用第二密封构件将低压工作介质通道的周边密封,高压工作介质的压力泄漏 导致到配合面的高压工作介质通道基本上作用在配合面的整个区域上,从而防止固定阀板的局部变形并确保滑动面之间的紧密接触。
    • 15. 发明授权
    • Current source circuit
    • 电流源电路
    • US5966007A
    • 1999-10-12
    • US114240
    • 1998-07-13
    • Hiroshi OkadaNaoki Itoh
    • Hiroshi OkadaNaoki Itoh
    • G05F3/26G05F3/22H03F1/30H03F3/343H03F3/347G05F3/16
    • G05F3/225
    • A current source circuit has a current mirror circuit and a correct ion circuit. The current mirror circuit includes first to fourth transistors. The bases of the first and second transistors are commonly connected to each other. A collector of the third transistor is connected to a common base of the first and second transistors. An emitter of the third transistor is connected to an emitter of the fourth transistor. A base of the fourth transistor is connected to the collector of the first transistor. The correction circuit includes fifth to eighth transistors. The base of the fifth and sixth transistors are commonly connected to each other. An emitter of the seventh transistor is connected to the common base of the fifth and sixth transistors. A collector of the seventh transistor is connected to an emitter of the eighth transistor. A base of the eighth transistor is connected to the collector of the second transistor.
    • 电流源电路具有电流镜电路和正确的离子电路。 电流镜电路包括第一至第四晶体管。 第一和第二晶体管的基极通常彼此连接。 第三晶体管的集电极连接到第一和第二晶体管的公共基极。 第三晶体管的发射极连接到第四晶体管的发射极。 第四晶体管的基极连接到第一晶体管的集电极。 校正电路包括第五至第八晶体管。 第五和第六晶体管的基极相互连接。 第七晶体管的发射极连接到第五和第六晶体管的公共基极。 第七晶体管的集电极连接到第八晶体管的发射极。 第八晶体管的基极连接到第二晶体管的集电极。
    • 18. 发明授权
    • Rotary hydraulic machine
    • 旋转液压机
    • US06959638B2
    • 2005-11-01
    • US10469734
    • 2002-03-05
    • Hiroyuki MakinoKenji MatsumotoNaoki ItohYoichi Kojima
    • Hiroyuki MakinoKenji MatsumotoNaoki ItohYoichi Kojima
    • F01B3/10F01B3/02F03C1/34F04B1/20F04B1/22F04B23/06F04B27/08F04B41/06F01B13/04
    • F04B41/06F03C1/0655F04B1/20F04B1/2042F04B1/22F04B23/06F04B27/0808F04B27/0839
    • A rotary fluid machine includes a first operating part (49) and a second operating part (57), which are groups of axial piston cylinders, wherein a rotary valve (61) for controlling the intake and discharge of a working medium to and from the first and second operating parts (49, 57) is formed from a first valve part that has a flat sliding surface (68) perpendicular to a rotational axis (L) of the rotor (27) and controls the intake and discharge of the working medium to and from the first operating part (49), and a second valve part that has a cylindrical sliding surface (71) centered on the rotational axis (L) of the rotor (27) and controls the intake and discharge of the working medium to and from the second operating part (57). Since the intake and discharge of the working medium to and from the first and second operating parts (49, 57) are controlled by the common rotary valve (61), the size of the rotary fluid machine can be reduced.
    • 旋转流体机械包括作为轴向活塞气缸组的第一操作部件(49)和第二操作部件(57),其中,用于控制工作介质的进入和排出的旋转阀(61) 第一和第二操作部件(49,57)由具有与转子(27)的旋转轴线(L)垂直的平坦的滑动面(68)的第一阀部形成,并且控制工作介质的吸入和排出 以及第二阀部,其具有以转子(27)的旋转轴线(L)为中心的圆筒状的滑动面(71),并将工作介质的吸入和排出控制为 和第二操作部(57)。 由于工作介质往返于第一和第二操作部件(49,57)的进入和排出由公共旋转阀(61)控制,所以可以减小旋转流体机械的尺寸。
    • 19. 发明授权
    • Coupling structure for expansion unit output shaft and driven-side transmission shaft
    • 膨胀机输出轴与从动元件传动轴之间的连接结构
    • US06761143B1
    • 2004-07-13
    • US10111393
    • 2002-09-18
    • Naoki ItohTsuneo EndohYasunobu KawakamiRyuji Sano
    • Naoki ItohTsuneo EndohYasunobu KawakamiRyuji Sano
    • F02B5304
    • H02K49/106F01C1/3446F01C19/125F01C21/008F01D15/12
    • An expansion unit (4) for converting an expansion energy of pressure-increased steam into a rotation energy of an output shaft, wherein a cover member (26) is provided on the casing outer surface of the expansion unit (4). The cover member (26) has a function of sealing the end section of an output shaft (23) protruding beyond the casing outer surface against the outside and a function of recovering steam led out from the casing and has its pressured reduced after the conversion. The end section of the output shaft (23) provided inside the cover member (26) and a driven-side transmission shaft (119) disposed outside the cover member (26) are coupled with each other via a magnet type shaft coupling (120) so as to be able to transmit power, whereby the output shaft (23) and the driven-side transmission shaft (119) can be coupled without steam in the expansion unit leaking outside.
    • 1.一种用于将增压蒸汽的膨胀能转换为输出轴的旋转能的膨胀单元(4),其中,在所述膨胀单元(4)的壳体外表面上设置有盖构件(26)。 盖构件26具有将突出超过壳体外表面的输出轴23的端部与外部密封的功能,并且具有回收从壳体引出的蒸汽并且在转换后其压力减小的功能。 设置在盖构件(26)内的输出轴(23)的端部和设置在盖构件(26)外侧的从动侧传动轴(119)经由磁铁式联轴器(120)彼此联接, 以便能够传递动力,由此输出轴(23)和从动侧传动轴(119)可以在泄漏到外部的膨胀单元中没有蒸汽连接。