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    • 23. 发明申请
    • ULTRASONIC FLUID MEASURING DEVICE
    • 超声波流体测量装置
    • US20100005902A1
    • 2010-01-14
    • US12439646
    • 2007-09-20
    • Shigeru IwanagaYuji Nakabayashi
    • Shigeru IwanagaYuji Nakabayashi
    • G01F1/66
    • G01F1/662
    • An ultrasonic fluid measuring device capable of improving a measuring accuracy is provided. An ultrasonic fluid measuring device 10 includes an ultrasonic measuring portion 20 in which a first ultrasonic transmitter-receiver 21 and a second ultrasonic transmitter-receiver 22 are provided to a measuring pass 14, and first to fifth pass partition plates 25 to 29 that are set in substantially parallel with an ultrasonic propagation path 24 that connects the first ultrasonic transmitter-receiver 21 and the second ultrasonic transmitter-receiver 22, whereby first to sixth flat passes 32 to 37 are laminated/formed in the measuring pass 14 by the pass partition plates 25 to 29. In this ultrasonic fluid measuring device 10, the first ultrasonic transmitter-receiver 21 and the second ultrasonic transmitter-receiver 22 are arranged with respect to respective flat passes 32 to 37 such that the ultrasonic measuring portion 20 measures a flow rate of the flat pass that is deviated from a center along a lamination direction.
    • 提供了能够提高测量精度的超声波流体测量装置。 超声波流体测量装置10包括超声波测量部分20,其中第一超声波发射器 - 接收器21和第二超声波发射器 - 接收器22设置在测量通路14上,并且第一至第五通过分隔板25至29设置 大致平行于连接第一超声波收发器21和第二超声波收发器22的超声波传播路径24,由此第一至第六平面通道32至37通过隔离板层叠/形成在测量通路14中 在该超声波流体测量装置10中,第一超声波发射器 - 接收器21和第二超声波发射器 - 接收器22相对于平坦通道32至37布置,使得超声波测量部20测量 沿着层叠方向偏离中心的平坦度。
    • 25. 发明授权
    • High frequency heating apparatus utilizing an inverter power supply
    • 利用逆变器电源的高频加热装置
    • US5288961A
    • 1994-02-22
    • US858525
    • 1992-03-27
    • Makoto ShibuyaNaoyoshi MaeharaDaisuke BessyoYuji NakabayashiTakahiro MatsumotoShiro Takeshita
    • Makoto ShibuyaNaoyoshi MaeharaDaisuke BessyoYuji NakabayashiTakahiro MatsumotoShiro Takeshita
    • H05B6/64H05B6/66H05B6/80
    • H05B6/645H05B6/64
    • A high frequency heating arrangement includes a power converting unit with one or more semiconductor devices which dissipates a slight heat loss. A magnetron receives an output from the power converting unit and supplies electromagnetic waves to a heating chamber. The magnetron dissipates a heat loss that is relatively larger than that of the power converting unit. A cooling fan has a motor which dissipates a heat loss which is relatively smaller than that of the power converting unit. The cooling fan is for cooling the power converting unit and the magnetron. A case is provided in which at least the power converting unit and the magnetron are housed and which is made of an electricity-conductive material. A cooling air passage, along which the motor and the case are arranged, and through which air flows from said cooling fan is provided. Air sent from the cooling fan first cools the motor, then cools at least a portion of the power converting unit, and finally cools the magnetron.
    • 高频加热装置包括具有一个或多个半导体器件的功率转换单元,其消散轻微的热损失。 磁控管接收来自功率转换单元的输出并向加热室提供电磁波。 磁控管消耗比功率转换单元更大的热损失。 冷却风扇具有消耗相对于功率转换单元的热损失的热损失的电动机。 冷却风扇用于冷却功率转换单元和磁控管。 提供了至少容纳电力转换单元和磁控管并且由导电材料制成的壳体。 设置有电机和壳体布置的冷却空气通道,并且空气从所述冷却风扇流过。 从冷却风扇送出的空气首先冷却电机,然后冷却至少一部分电力转换单元,最后冷却磁控管。
    • 26. 发明申请
    • ULTRASONIC FLOWMETER
    • 超声波流量计
    • US20120272748A1
    • 2012-11-01
    • US13520118
    • 2011-01-06
    • Aoi WatanabeYuji FujiiYuji NakabayashiHirokazu Gotou
    • Aoi WatanabeYuji FujiiYuji NakabayashiHirokazu Gotou
    • G01F1/66
    • G01F1/668G01F1/667
    • An ultrasonic flowmeter which can enhance measurement accuracy is provided, including ultrasonic transducers; a propagation time measurement block for measuring a propagation time elapsed before an ultrasonic wave transmitted from the ultrasonic transducer arrives at the ultrasonic transducer; a control block for determining a flow volume from the propagation time; correction calculation means for calculating a correction value based on characteristics of the ultrasonic transducers, a delay between transmission of an ultrasonic wave from the ultrasonic transducer and commencement of measurement of a propagation time, a delay between arrival of the ultrasonic wave at the receiving-side ultrasonic transducer and detection of the ultrasonic wave, and a difference between the measured and a true propagation times; and correction value selection means for selecting a correction value; and a propagation time correction block for correcting a propagation time.
    • 提供了可以提高测量精度的超声波流量计,包括超声波换能器; 传播时间测量块,用于测量从超声波换能器发送的超声波之前经过的传播时间到达超声换能器; 用于从所述传播时间确定流量的控制块; 校正计算装置,用于基于超声波换能器的特性,超声波传播超声波的传播延迟和传播时间的测量开始之间的延迟,在接收侧的超声波到达之间的延迟来计算校正值 超声波换能器和超声波的检测,以及测量和真实传播时间之间的差异; 以及校正值选择装置,用于选择校正值; 以及用于校正传播时间的传播时间校正块。
    • 28. 发明授权
    • Ultrasonic flow rate measuring device having a plurality of ultrasonic flow rate sensors
    • 具有多个超声波流量传感器的超声波流量测量装置
    • US07980142B2
    • 2011-07-19
    • US12513563
    • 2007-11-08
    • Yuji NakabayashiAkihisa AdachiMasato Satou
    • Yuji NakabayashiAkihisa AdachiMasato Satou
    • G01F1/84
    • G01F1/667G01F5/00
    • The present invention is directed to an ultrasonic flow rate measuring device capable of improving the measurement accuracy. Such an ultrasonic flow rate measuring device comprises first to third ultrasonic flow rate sensors in the measurement passage which are equipped with first ultrasonic wave transmitter-receivers and second ultrasonic wave transmitter-receivers. First to third ultrasonic wave propagation paths connecting the first ultrasonic wave transmitter-receiver and the second ultrasonic wave transmitter-receivers, respectively, intersect at different angles with the flow direction of fluid flowing through the measurement passages. The ultrasonic flow rate measuring device of the present invention obtains a flow rate measurement selectively from one of the first to third ultrasonic flow rate sensors in response to a flow rate Q.
    • 本发明涉及能够提高测定精度的超声波流量测量装置。 这种超声波流量测量装置包括测量通道中的配备有第一超声波发射器 - 接收器和第二超声波发射器 - 接收器的第一至第三超声波流量传感器。 分别连接第一超声波发射器 - 接收器和第二超声波发射器 - 接收器的第一至第三超声波传播路径与流过测量通道的流体的流动方向以不同的角度相交。 本发明的超声波流量测量装置响应于流量Q,从第一至第三超声波流量传感器之一中选择性地获得流量测量值。
    • 29. 发明授权
    • Ultrasonic flowmeter having reduced phase difference
    • 超声波流量计具有减小的相位差
    • US06216544B1
    • 2001-04-17
    • US09202532
    • 1998-12-18
    • Akihisa AdachiYuji NakabayashiMasahiko HashimotoToshiharu SatoShigeru Iwanaga
    • Akihisa AdachiYuji NakabayashiMasahiko HashimotoToshiharu SatoShigeru Iwanaga
    • G01F166
    • G01F1/662
    • An ultrasonic flowmeter includes a flow path defined by four wall sections, a flow measurement section, a calculation section and a pair of ultrasonic oscillators for transmitting and receiving an ultrasonic wave over a distance. The flow path is configured to reduce the influence of a phase difference, which results from the varying propagation distances of a direct wave and a reflected wave, by changing one or more of the flow measurement section configuration, the ultrasonic wave frequency, the orientation of the ultrasonic oscillators, and the distance between the pair of ultrasonic oscillators. A measurement section is suitably configured to measure the propagation time of the ultrasonic wave propagating between the pair of ultrasonic oscillators. Additionally, a calculation section is suitably configured to receive measurements from the measurement section and to calculate the fluid flow in the flow measurement section.
    • 超声波流量计包括由四个壁部分限定的流动路径,流量测量部分,计算部分和一对用于在一定距离上发送和接收超声波的超声波振荡器。 流路被配置为通过改变流量测量部分配置,超声波频率,超声波频率的方向来减少由直接波和反射波的变化的传播距离引起的相位差的影响 超声波振荡器和一对超声波振荡器之间的距离。 测量部适当地配置为测量在一对超声波振荡器之间传播的超声波的传播时间。 此外,计算部适当地构成为从测量部接收测量值,并计算流量测量部中的流体流量。
    • 30. 发明申请
    • ULTRASONIC FLOW METER DEVICE
    • 超声波流量计装置
    • US20120191382A1
    • 2012-07-26
    • US13499254
    • 2010-09-30
    • Yuji NakabayashiYuji FujiiMasato Satou
    • Yuji NakabayashiYuji FujiiMasato Satou
    • G01F1/66G06F19/00
    • G01F15/14G01F1/662
    • The present invention implements an ultrasonic flow meter device which does not require a complicated configuration such as a hermetic seal, in an inexpensive and easy manner. A typical ultrasonic flow meter device includes a fluid passage body, a measurement fluid passage placed within the fluid passage body, a pair of ultrasonic sensors, a wall defining the measurement fluid passage and attached with the ultrasonic sensors, a propagation time measuring means for measuring a propagation time of an ultrasonic sound wave propagating between the ultrasonic sensors, and a fluid flow calculating means for calculating a fluid flow based on a propagation time, and a seal member is provided between the fluid passage body and the wall to prevent a fluid from leaking.
    • 本发明以廉价且容易的方式实现了不需要复杂构造如气密密封的超声波流量计装置。 典型的超声波流量计装置包括流体通道体,设置在流体通道体内的测量流体通道,一对超声波传感器,限定测量流体通道并附着超声波传感器的壁,传播时间测量装置,用于测量 在超声波传感器之间传播的超声波的传播时间和用于计算基于传播时间的流体流的流体流量计算装置,并且密封构件设置在流体通道主体和壁之间,以防止流体 泄漏