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    • 3. 发明授权
    • Karman vortex flowmeter
    • 卡曼涡流流量计
    • US4584883A
    • 1986-04-29
    • US439900
    • 1982-11-08
    • Noriomi MiyoshiMichihiko TsuruokaMutsumi Nagumo
    • Noriomi MiyoshiMichihiko TsuruokaMutsumi Nagumo
    • F02D41/18F02M69/48G01F1/32
    • G01F1/3218F02D41/185F02M69/48G01F1/3254
    • A Karman vortex flowmeter for deriving the velocity or quantity of fluid flow is comprised of an upstream pillar for producing Karman's vortex streets or paths that has a substantially isosceles triangle cross section, a downstream pillar for producing Karman's vortex paths that has a substantially isosceles trapezoidal cross section, a vibration chamber, and a vibrator member supported in the vibration chamber in a state of mass equilibrium relative to a revolving shaft passing through its center of gravity such that it can vibrate torsionally about the revolving shaft. The base of the upstream pillar is substantially equal to the base of the downstream pillar, and the pillars are positioned so that the bases are parallel to each other and perpendicular to the direction of the fluid flow. The vibrator member is preferably provided with a pair of taut bands supporting the vibrator member which form the revolving shaft and a frame which supports the bands. The taut bands may be pressed by a spring member to ensure uniform tension in the face of temperature changes, and may be damped with suitable elastic material. The flowmeter is provided with a photoelectric detector to detect the vibration of the vibrator member as it vibrates in response to pressure variations attributable to the Karman streets produced by the pillars. The detector preferably includes an integrator and comparator which cooperate to derive only effective frequency components.
    • 用于导出流体流动速度或数量的卡曼涡流流量计包括用于产生卡门涡街或具有基本上等腰三角形截面的路径的上游支柱,用于产生具有基本上等腰梯形十字形的卡门涡街的下游支柱 振动室和振动室,振动室中以相对于穿过其重心的旋转轴质量平衡的状态支撑在振动室中,使得其能够围绕旋转轴扭转振动。 上游支柱的基部基本上等于下游支柱的基部,并且支柱被定位成使得基部彼此平行且垂直于流体流动的方向。 振动器构件优选地设置有一对支撑形成旋转轴的振动器构件的拉紧带和支撑带的框架。 张紧带可以被弹簧构件按压以确保面对温度变化时的均匀张力,并且可以用合适的弹性材料来阻尼。 该流量计设置有光电检测器,用于检测振动器构件响应于由支柱产生的卡曼街道的压力变化而振动时的振动。 该检测器优选地包括一个积分器和比较器,其合作以仅导出有效频率分量。
    • 4. 发明授权
    • Karman's vortex flow metering apparatus
    • 卡曼的涡流计量装置
    • US4470310A
    • 1984-09-11
    • US388670
    • 1982-06-15
    • Michihiko TsuruokaNoriomi Miyoshi
    • Michihiko TsuruokaNoriomi Miyoshi
    • G01F1/32
    • G01F1/3254
    • In the particular embodiments of the invention described herein, a Karman's vortex flow metering apparatus has an oscillating plate magnetically held at the vertex of a triangular chamber located outside a flow line. Within the flow line a Karman's vortex generator is mounted transverse to the flow direction and has vortex generating slits extending along its length. Pressure detecting slits located at the end of the generator near the detector communicate through short pressure transmitting lines with opposite sides of the chamber. The resulting oscillation of the plate is detected optically or magnetically to provide signals corresponding to the flow rate.
    • 在本文所述的本发明的特定实施例中,卡曼的涡流计量装置具有磁性地保持在位于流动线外侧的三角形室的顶点的振动板。 在流线内,卡曼的涡流发生器横向于流动方向安装并具有沿其长度延伸的涡流产生狭缝。 位于发生器靠近检测器的端部的压力检测狭缝通过具有腔室相对侧的短压力传输线连通。 通过光学或磁性检测板的产生的振荡,以提供对应于流速的信号。
    • 6. 发明授权
    • Vibrating type transducer
    • 振动式传感器
    • US4872335A
    • 1989-10-10
    • US922694
    • 1986-10-24
    • Michihiko TsuruokaWataru NakagawaNoriomi MiyoshiNaohiro KonosuTadao Hashimoto
    • Michihiko TsuruokaWataru NakagawaNoriomi MiyoshiNaohiro KonosuTadao Hashimoto
    • G01L9/00G01N9/00
    • G01L9/0016G01L9/0022G01N9/002
    • A vibrating transducer for detecting the resonant frequency of a vibrating diaphragm and using that frequency to determine the pressure or density of a fluid contacting the diaphragm. The device includes a container having a diaphragm separating the cavity in the container into two chambers with the diaphragm preventing flow communication between the two chambers. A first fluid inlet in flow communication with the first chamber introduces fluid to the first chamber with that first chamber having an acoustic compliance less than the mechanical compliance of the diaphragm. The second fluid input is in flow communication with the second chamber and introduces fluid into the second chamber. By controlling the acoustic compliance of the chamber with respect to the diaphragm accurate measurements of the density or pressure of the fluid can be obtained.
    • 一种用于检测振动膜的谐振频率并使用该频率来确定接触隔膜的流体的压力或密度的振动传感器。 该装置包括容器,该容器具有将容器中的空腔分成两个腔室,隔膜防止两个腔室之间的流动连通。 与第一室流动连通的第一流体入口将流体引入第一室,该第一室的声学顺应性小于膜片的机械顺应性。 第二流体输入与第二腔室流体连通并将流体引入第二腔室。 通过控制腔室相对于隔膜的声学顺应性,可以获得精确的流体密度或压力的测量值。
    • 7. 发明授权
    • Fuel cell
    • 燃料电池
    • US3957536A
    • 1976-05-18
    • US585891
    • 1975-06-11
    • Noriomi MiyoshiMichihiko Tsuruoka
    • Noriomi MiyoshiMichihiko Tsuruoka
    • C01B3/38H01M8/04
    • H01M8/04276C01B3/38H01M8/04104H01M8/04156
    • In a fuel cell comprising (1) a generator cell having a fuel gas (hydrogen gas) chamber, an oxidizing gas (oxygen gas) chamber and an electrolyzing solution chamber, (2) a fuel gas circulating circuit for supplying fuel gas to the fuel gas chamber of said generator cell, (3) an oxidizing gas circulating circuit for supplying oxidizing gas to the oxidizing gas chamber of said generator cell, and (4) an electrolyte circulating circuit for supplying an electrolytic solution to said electrolyzing chamber, the improvement characterized in that a means for regulating the concentration of the electrolytic solution at a constant value is provided on said electrolyzing chamber and a means for removing the formed water from each of said gas chambers, a means for regulating simultaneously the gas pressures in both of said gas chambers, and a means for keeping constant the temperature of said electrolytic solution are provided on each of said gas chambers.
    • 在燃料电池中,包括(1)具有燃料气体(氢气)室,氧化气体(氧气)室和电解溶液室的发电机单元,(2)用于向燃料供给燃料气体的燃料气体循环回路 所述发电单元的气室,(3)用于向所述发电单元的氧化气室供给氧化气体的氧化气体循环回路,(4)向所述电解室供给电解液的电解液循环回路,其特征在于, 在所述电解室中设置用于调节电解液浓度恒定的装置,以及用于从每个所述气室中除去形成的水的装置,用于同时调节所述气体中的气体压力的装置 并且在每个所述气室上设置用于保持所述电解液温度恒定的装置。
    • 8. 发明授权
    • Pneumatic infrared gas detector
    • 气动红外线气体检测仪
    • US5739538A
    • 1998-04-14
    • US689073
    • 1996-07-30
    • Satoru SakaueMutsumi NagumoMichihiko Tsuruoka
    • Satoru SakaueMutsumi NagumoMichihiko Tsuruoka
    • G01N21/61G01N21/37
    • G01N21/37
    • A pneumatic infrared gas detector includes a pair of expansion chambers and a pair of pressure chambers, each of which is connected at one end thereof to the corresponding expansion chamber. Each of the pressure chambers is divided by a diaphragm into a first chamber connected to a corresponding expansion chamber, and a second chamber, such that the first chamber of one of the pair of pressure chambers is connected to the second chamber of the other of the pressure chambers through a first communication path, and such that the second chamber of the above-indicated one of the pressure chambers is connected to the first chamber of the other of the pressure chambers through a second communication path. A pair of pneumatic pressure detecting elements are provided each of which includes an electret film having one surface on which an electrode is formed, and an electrode plate disposed in opposed relationship with the electret film. The electret film is formed on a first side of a corresponding one of the diaphragms in each pressure chamber, and the electrode plate is supported and fixed at a position that is opposed to a second side of the corresponding diaphragm.
    • 气动红外气体检测器包括一对膨胀室和一对压力室,每个压力室的一端连接到相应的膨胀室。 每个压力室由隔膜分隔成连接到相应的膨胀室的第一室和第二室,使得一对压力室中的一个的第一室连接到另一个的另一个的第二室 压力室通过第一连通路径,并且使得上述一个压力室中的第二腔室通过第二连通路径连接到另一个压力室的第一腔室。 提供一对气压检测元件,每个气动检测元件包括其中形成有电极的一个表面的驻极体膜以及与驻极体膜相对设置的电极板。 驻极体膜形成在每个压力室中的对应的一个膜片的第一侧上,并且电极板被支撑并固定在与相应隔膜的第二侧相对的位置。
    • 10. 发明授权
    • Karman vortex flow meter
    • 卡曼涡流流量计
    • US4782710A
    • 1988-11-08
    • US43044
    • 1987-04-27
    • Mutsumi NagumoMasashi MachidaMichihiko Tsuruoka
    • Mutsumi NagumoMasashi MachidaMichihiko Tsuruoka
    • G01F1/32
    • G01F1/3218
    • A Karman vortex flow meter including an upstream columnar body having a substantially isosceles triangular cross section and a downstream columnar body having a substantially isosceles trapezoidal cross section. The downstream columnar body has a base surface which is substantially equal in width to the base surface of the upstream columnar body. The two bodies are positioned in a stream of a fluid with their base surfaces disposed at a distance from each other in mutually parallel relation and at right angles to the stream for generating Karman vortices to measure the flowing speed or rate of the fluid based on the frequency of the vortices. The upstream columnar body has a pair of rounded edges along its base surface.
    • 卡曼涡流流量计包括具有基本上等腰三角形横截面的上游柱状体和具有基本上等腰梯形横截面的下游柱状体。 下游柱状体具有与上游柱状体的基面大致相等的基面。 两个体被定位在流体的流中,其基部表面以相互平行的关系相互间隔一定距离设置,并与流体成直角,以产生卡门涡流,以便基于流体的流动速度或速度来测量流体的流速 涡流频率。 上游柱状体沿其底面具有一对圆形边缘。