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21.发明授权Ultrasonic flowmeter including stable flow rate calculation means based on instantaneous flow rate 失效超声波流量计包括基于瞬时流量的稳定流量计算方法公开(公告)号：US06941821B2
公开(公告)日：2005-09-13
申请号：US10711054
申请日：2004-08-19
申请人： Yasuhiro Umekage , Yukio Nagaoka , Osamu Eguchi , Shuji Abe , Yuji Nakabayashi , Kenzo Ohji , Fumikazu Shiba , Akihisa Adachi , Masahiko Hashimoto , Toshiharu Sato , Yuji Fujii
发明人： Yasuhiro Umekage , Yukio Nagaoka , Osamu Eguchi , Shuji Abe , Yuji Nakabayashi , Kenzo Ohji , Fumikazu Shiba , Akihisa Adachi , Masahiko Hashimoto , Toshiharu Sato , Yuji Fujii
摘要： In accordance with one embodiment, a flow meter of the present invention includes: transmission/reception means provided in a flow path for performing transmission/reception using a state change of fluid; repetition means for repeating the transmission/reception; time measurement means for measuring a time of propagation repeated by the repetition means; flow rate detection means for detecting a flow rate based on a value of the time measurement means; and number-of-times change means for changing to a predetermined number of repetition times. With such a structure, an influence caused by a variation of a flow can be suppressed by changing the number of repetition times so as to be suitable for a variation. As a result, reliable flow rate measurement with a high accuracy can be achieved.
摘要翻译： 根据一个实施例，本发明的流量计包括：设置在用于使用流体的状态变化进行发送/接收的流路中的发送/接收装置; 用于重复发送/接收的重复装置; 时间测量装置，用于测量重复装置重复的传播时间; 流量检测装置，用于基于时间测量装置的值检测流量; 和改变为预定次数的重复次数的次数改变装置。 通过这样的结构，可以通过改变重复次数来适应变化来抑制由流动变化引起的影响。 因此，可以实现高精度的可靠的流量测量。
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22.发明授权公开(公告)号：US06915704B2
公开(公告)日：2005-07-12
申请号：US10711053
申请日：2004-08-19
申请人： Yasuhiro Umekage , Yukio Nagaoka , Osamu Eguchi , Shuji Abe , Yuji Nakabayashi , Kenzo Ohji , Fumikazu Shiba , Akihisa Adachi , Masahiko Hashimoto , Toshiharu Sato , Yuji Fujii
发明人： Yasuhiro Umekage , Yukio Nagaoka , Osamu Eguchi , Shuji Abe , Yuji Nakabayashi , Kenzo Ohji , Fumikazu Shiba , Akihisa Adachi , Masahiko Hashimoto , Toshiharu Sato , Yuji Fujii
摘要： In accordance with one embodiment, a flow meter of the present invention includes: transmission/reception means provided in a flow path for performing transmission/reception using a state change of fluid; repetition means for repeating the transmission/reception; time measurement means for measuring a time of propagation repeated by the repetition means; flow rate detection means for detecting a flow rate based on a value of the time measurement means; and number-of-times change means for changing to a predetermined number of repetition times. With such a structure, an influence caused by a variation of a flow can be suppressed by changing the number of repetition times so as to be suitable for a variation. As a result, reliable flow rate measurement with a high accuracy can be achieved.
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公开(公告)号：US06538363B2
公开(公告)日：2003-03-25
申请号：US09964362
申请日：2001-09-28
申请人： Hidetomo Nagahara , Toshiharu Sato , Akihisa Adachi , Kiyohide Amemiya , Kazuhide Shioya , Emiko Igaki , Masakazu Tanahashi
发明人： Hidetomo Nagahara , Toshiharu Sato , Akihisa Adachi , Kiyohide Amemiya , Kazuhide Shioya , Emiko Igaki , Masakazu Tanahashi
IPC分类号： H01L4108
CPC分类号： H01L41/37 , H01L41/183 , H01L41/338 , Y10T29/42
摘要： A piezoelectric composite is formed from a piezoelectric precursor prepared by mixing a powder containing piezoelectric material with a binder material and a gap forming material filling a gap formed to the piezoelectric precursor. The gap forming material is then removed from the thus formed piezoelectric composite, thereby forming a piezoelectric element.
摘要翻译： 压电复合材料由压电前驱体形成，该压电前驱体通过混合含有压电材料的粉末与粘合剂材料和填充形成压电前体的间隙的间隙形成材料而形成。 然后将间隙形成材料从如此形成的压电复合材料中除去，从而形成压电元件。
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公开(公告)号：US5161537A
公开(公告)日：1992-11-10
申请号：US672413
申请日：1991-03-20
CPC分类号： A61B8/00 , A61B8/4494 , G01S15/8918
摘要： An ultrasonic probe has an elongated form with an end. A transducer element array is disposed in the probe for emitting ultrasonic wave frontward with respect to the end of the probe and receiving echo ultrasonic waves. The transducer element array converts the received echo ultrasonic waves into corresponding electric echo signals. The electric echo signals are processed according to a predetermined aperture synthesis technique, and thereby an image signal is generated on the basis of the electric echo signals. An image of a region in front of the end of the probe is reproduced in response to the image signal.
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公开(公告)号：US07507297B2
公开(公告)日：2009-03-24
申请号：US10514811
申请日：2003-05-12
CPC分类号： B08B7/0021 , Y10S134/902
摘要： A cleaning effect is improved by cleaning a component that has a recess structure by using a cleaning medium of a liquefied gas or a supercritical fluid. By the cleaning method of removing adhering substances adhering to at least the surface of the recess structure of the component that has the recess structure, cleaning is carried out by using the supercritical gas or the liquefied gas so that the cleaning medium spreads over the surface of the recess structure.
摘要翻译： 通过使用液化气体或超临界流体的清洁介质清洗具有凹陷结构的部件来提高清洁效果。 通过除去附着于至少具有凹部结构的部件的凹部结构的表面的附着物质的清洗方法，通过使用超临界气体或液化气体进行清洗，使得清洗介质在 凹槽结构。
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公开(公告)号：US20050000301A1
公开(公告)日：2005-01-06
申请号：US10711053
申请日：2004-08-19
申请人： Yasuhiro Umekage , Yukio Nagaoka , Osamu Eguchi , Shuji Abe , Yuji Nakabayashi , Kenzo Ohji , Fumikazu Shiba , Akihisa Adachi , Masahiko Hashimoto , Toshiharu Sato , Yuji Fujii
发明人： Yasuhiro Umekage , Yukio Nagaoka , Osamu Eguchi , Shuji Abe , Yuji Nakabayashi , Kenzo Ohji , Fumikazu Shiba , Akihisa Adachi , Masahiko Hashimoto , Toshiharu Sato , Yuji Fujii
摘要： For the purpose of solving the above problems, the present invention includes: transmission/reception means provided in a flow path for performing transmission/reception using a state change of fluid; repetition means for repeating the transmission/reception; time measurement means for measuring a time of propagation repeated by the repetition means; flow rate detection means for detecting a flow rate based on a value of the time measurement means; and number-of-times change means for changing to a predetermined number of repetition times. With such a structure, an influence caused by a variation of a flow can be suppressed by changing the number of repetition times so as to be suitable for a variation. As a result, reliable flow rate measurement with a high accuracy can be achieved.
摘要翻译： 为了解决上述问题，本发明包括：发送/接收装置，其设置在用于使用流体的状态变化进行发送/接收的流路中; 用于重复发送/接收的重复装置; 时间测量装置，用于测量重复装置重复的传播时间; 流量检测装置，用于基于时间测量装置的值检测流量; 和改变为预定次数的重复次数的次数改变装置。 通过这样的结构，可以通过改变重复次数来适应变化来抑制由流动变化引起的影响。 因此，可以实现高精度的可靠的流量测量。
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公开(公告)号：US06604433B1
公开(公告)日：2003-08-12
申请号：US09633808
申请日：2000-08-07
申请人： Naoko Azuma , Akihisa Adachi , Masahiko Hashimoto , Tooru Ninomiya , Kenzo Ohji
发明人： Naoko Azuma , Akihisa Adachi , Masahiko Hashimoto , Tooru Ninomiya , Kenzo Ohji
IPC分类号： G01F166
摘要： The present invention provides an ultrasonic transducer having uniform characteristics. Because the characteristics of a pair of ultrasonic transducer are equalized with each other, measuring accuracy of an ultrasonic flowmeter can be improved. Electrical connection from an electrode surface 13 of a piezoelectric body 11 to an external electrode is achieved not by soldering but by an electroconductive elastic body 16. As a result, variations of the frequency characteristics due to thermal load on the piezoelectric body 11 can be reduced, and this makes it possible to obtain an ultrasonic transducer with uniform characteristics, and measuring accuracy of an ultrasonic flowmeter using a pair of the ultrasonic transducer can be improved.
摘要翻译： 本发明提供一种具有均匀特性的超声换能器。 由于一对超声波换能器的特性相互一致，所以能够提高超声波流量计的精度。 从压电体11的电极表面13到外部电极的电连接不是通过焊接而是通过导电弹性体16实现的。结果，可以减小由于压电体11上的热负荷引起的频率特性的变化 可以获得具有均匀特性的超声波换能器，并且可以提高使用一对超声波换能器的超声波流量计的测量精度。
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公开(公告)号：US06216544B1
公开(公告)日：2001-04-17
申请号：US09202532
申请日：1998-12-18
IPC分类号： G01F166
CPC分类号： G01F1/662
摘要： 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.
摘要翻译： 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。
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