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41. 发明专利

JP2010236873A Gas meter, control method of the same, and control program 有权
标题翻译：气体表，其控制方法和控制程序
公开(公告)号：JP2010236873A
公开(公告)日：2010-10-21
申请号：JP2009081948
申请日：2009-03-30
申请人： High Pressure Gas Safety Institute Of Japan , Osaka Gas Co Ltd , Panasonic Corp , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba Toko Meter Systems Co Ltd , パナソニック株式会社 , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東光東芝メーターシステムズ株式会社 , 東邦瓦斯株式会社 , 高圧ガス保安協会
发明人： SUZUKI MAMORU , TSUKAHARA YUICHI , NAGANUMA TETSUO , KOBAYASHI MASATOMO , NAGAI NOZOMI , KONO SACHIKO , KAWAGUCHI KEIJI , ISHIDA HIROSHI , NANBA MITSUO , KUBO KAZUO , SAITO TAKASHI , MARUYAMA KIYOSHI , KATO AKIRA , ASANO KAZUTAKA , IWAMOTO RYUJI , NAKAMURA HIROSUMI , OTANI TAKAHISA , HIRAYAMA YUICHI , ISHINO HITOAKI , SAKAMAKI MICHIHIKO
IPC分类号： G01F3/22
摘要： PROBLEM TO BE SOLVED: To speed up gas supply by a manual return while ensuring safety and improve convenience in a gas meter which allows an automatic return and manual return of a shutoff valve. SOLUTION: The gas meter includes a return button for giving a return direction allowing the shutoff valve to return from a shutoff state to a valve-open state. A first pressure value and a second pressure value, which is different from the first pressure value, which are to be compared to a gas pressure, are set. Without the reception of the return direction from the return button, after a lapse of a waiting time from the shutoff of the shutoff valve or its shutoff direction, the shutoff valve is changed to the valve-open state from the shutoff state. After a lapse of a predetermined time from the opening of the shutoff valve, the shutoff valve is controlled to be the shutoff state. When a decrease value in the gas pressure is the first pressure value or below, the shutoff valve is controlled to be the valve-open state, the shutoff valve is changed to the valve-open state with the reception of the return direction from the return button, and after a lapse of a predetermined time, the shutoff valve is changed to the shutoff state. When the decrease value in the gas pressure is the second pressure value or below, the shutoff value is controlled to be the valve-open state. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过手动返回来加快气体供应，同时确保安全性，并提高燃气表的便利性，从而允许自动返回并手动返回关闭阀。
解决方案：气量计包括一个返回按钮，用于给出返回方向，允许截止阀从关闭状态返回到阀打开状态。设定与气体压力进行比较的与第一压力值不同的第一压力值和第二压力值。在没有从返回按钮接收到返回方向的情况下，在从关闭阀的关闭或其截止方向经过等待时间之后，截止阀从关闭状态变为阀打开状态。在从截止阀的打开经过预定时间后，截止阀被控制为截止状态。当气体压力的下降值为第一压力值以下时，截止阀被控制为阀打开状态，截止阀由返回方向接收返回到阀打开状态按钮，经过预定时间后，切断阀切换到关闭状态。当气体压力的减小值为第二压力值以下时，将关闭值控制为阀打开状态。版权所有（C）2011，JPO＆INPIT

42. 发明专利

JP2009300113A Gas leakage detection apparatus and method and controller for gas leakage detection apparatus 有权
标题翻译：气体泄漏检测装置及气体泄漏检测装置的方法与控制器
公开(公告)号：JP2009300113A
公开(公告)日：2009-12-24
申请号：JP2008152096
申请日：2008-06-10
申请人： High Pressure Gas Safety Institute Of Japan , Osaka Gas Co Ltd , Panasonic Corp , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba Corp , パナソニック株式会社 , 大阪瓦斯株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 株式会社東芝 , 高圧ガス保安協会
发明人： SUZUKI MAMORU , FUJIMOTO TATSUO , KOBAYASHI MASATOMO , NAGAI NOZOMI , KONO SACHIKO , KAWAGUCHI KEIJI , ISHIDA HIROSHI , NANBA MITSUO , KUBO KAZUO , SAITO TAKASHI , MARUYAMA KIYOSHI , KATO AKIRA , ASANO KAZUTAKA , IWAMOTO RYUJI , NAKAMURA HIROSUMI , OTANI TAKAHISA , HIRAYAMA YUICHI , ISHINO HITOAKI , MORINAGA TAKESHI , SAKAMAKI MICHIHIKO
IPC分类号： G01F3/22 , G01M3/00 , G01M3/28
摘要： PROBLEM TO BE SOLVED: To detect a small flow of gas leakage which is equal to an ignition flow level or below in an early stage by improving a leakage determination method.
SOLUTION: A selection unit 111 determines the flow category of a gas flow Q measured by a gas flow sensor 121 and, in accordance with the determined flow category, selects either one of a large-flow leakage determination unit 112 and a small-flow leakage determination unit 113. The large-flow leakage determination unit 112 performs large-flow leakage determination processing using a determination method suitable for the determination of the flow range of a large-flow category exceeding 100 L/h. The small-flow leakage determination unit 113 performs small-flow leakage determination processing using a determination method suitable for the determination of the flow range of a small-flow category with 5.5 L/h to 100 L/h (the flow range from the level indicating the presence of a small flow to the ignition flow level), which is different from the determination method for large-flow leakage determination.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过改进泄漏确定方法来检测在早期阶段等于或低于点火流量的小气体泄漏。解决方案：选择单元111确定由气体流量传感器121测量的气体流量Q的流量类别，并且根据确定的流量类别选择大流量泄漏确定单元112和小流量泄漏确定单元流量泄漏确定单元113.大流量泄漏确定单元112使用适合于确定大流量类别的流量范围超过100L / h的确定方法来执行大流量泄漏确定处理。小流量泄漏判定部113使用适合于确定5.5L / h〜100L / h的小流量类别的流量范围的判定方法来进行小流量泄漏判定处理（从水平的流量范围表明存在到点火流量水平的小流量），这与用于大流量泄漏测定的确定方法不同。版权所有（C）2010，JPO＆INPIT

43. 发明专利

JP2008202815A Gas safety device 审中-公开
标题翻译：气体安全装置
公开(公告)号：JP2008202815A
公开(公告)日：2008-09-04
申请号：JP2007036523
申请日：2007-02-16
申请人： Aichi Tokei Denki Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba Corp , 愛知時計電機株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 株式会社東芝
发明人： MAOKA TADANORI , SAMEDA YOSHITOMI , TAKAHASHI YUKIO , NAKANO KENJI , UYAMA HIROTO , FUJIMOTO TATSUO , SUZUKI MAMORU , WATANABE AKIRA , YUASA KENICHIRO , NAGAI NOZOMI , KONO SACHIKO , SATO TAKAHITO , ISHIDA HIROSHI , HORI ITSURO
IPC分类号： F23N5/24 , F23K5/00 , G01F1/66 , G01F3/22
摘要： PROBLEM TO BE SOLVED: To provide a gas safety device which detects earthquake intensity at a proper place and cutting off a gas at a proper case.
SOLUTION: This gas safety device comprises a gas safety device main body 20, and one or more first earthquake sensors 30a generating a first abnormal signal by detecting occurrence of earthquake of a first prescribed earthquake intensity or more, and transmitting the first abnormal signal to the gas safety device main body by wireless communication, and the gas safety device main body 20 has: a gas supply line 50 for allowing a gas to flow; an ultrasonic flowmeter 22 for measuring a flow rate of the gas flowing in the gas supply line 50; a gas cutoff valve 24 for cutting off the gas flowing in the gas supply line 50; and a microcomputer 26 for controlling the gas cutoff valve 24 on the basis of the first abnormal signal transmitted from each of one or more first earthquake sensors 30a.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种气体安全装置，其检测适当位置的地震强度并在适当的情况下切断气体。解决方案：该气体安全装置包括气体安全装置主体20和一个或多个第一地震传感器30a，通过检测第一规定地震烈度以上的地震的发生而产生第一异常信号，并且发送第一异常通过无线通信向燃气安全装置主体发出信号，气体安全装置主体20具有：用于使气体流动的气体供给管线50; 用于测量在气体供给管线50中流动的气体的流量的超声波流量计22; 用于切断在气体供给管线50中流动的气体的气体截断阀24; 以及微型计算机26，用于根据从一个或多个第一地震传感器30a中的每一个发送的第一异常信号来控制气体截止阀24。版权所有（C）2008，JPO＆INPIT

44. 发明专利

JP2008139266A Vibration sensor and vibration-sensing method for gas channel 有权
标题翻译：用于气体通道的振动传感器和振动传感方法
公开(公告)号：JP2008139266A
公开(公告)日：2008-06-19
申请号：JP2006328573
申请日：2006-12-05
申请人： Tokyo Gas Co Ltd , Toshiba Corp , 東京瓦斯株式会社 , 株式会社東芝
发明人： ISHINO HITOAKI , UYAMA HIROTO , HASEBE SHINYA , SAMEDA YOSHITOMI , FUJIMOTO TATSUO , SUZUKI MAMORU , WATANABE AKIRA , KONO SACHIKO , NAGAI NOZOMI
IPC分类号： G01F3/22 , F23K5/00 , G01H1/00 , G08B21/10 , G08B25/08
摘要： PROBLEM TO BE SOLVED: To appropriately shut off or reset gas channels according to the situations of earthquakes, the structures of buildings at installed locations, the structure of the ground, and installation environments of supply facilities etc. by accurately detecting earthquakes. SOLUTION: A seismic wave conversion part 104 converts a fundamental seismic wave pattern stored in a fundamental seismic wave storage part 103 into an earthquake determination pattern of a level or a type corresponding to an installed location through the use of a conversion function. A sampling part 112 converts acceleration outputted from an acceleration sensor part 111 into an oscillatory wave pattern. An installation-environment-corresponding-type earthquake determination part 121 compares the earthquake determination pattern acquired at the seismic wave conversion part 104 with the oscillation wave pattern acquired at the sampling part 112, determines the presence or absence of earthquakes; their levels; the necessity of shutoff of gas channels; and the necessity of automatic reset, and outputs determination results to a shutoff/reset control part 131. The shutoff/reset control part 131 outputs shutoff signals, reset signals, or reset inhibition signals according to the determination results to control shutoff valves 141. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过精确检测地震，根据地震情况，安装地点的建筑物结构，地面结构，供电设施的安装环境等，适当关闭或重置气体通道。解决方案：地震波转换部分104通过使用转换功能将存储在基波地震波存储部分103中的基波地震波模式转换为与安装位置对应的等级或类型的地震确定模式。采样部112将从加速度传感器部111输出的加速度转换为振荡波形。将在地震波转换部104取得的地震判定模式与取样部112取得的振荡波形图进行比较的安装环境对应型地震判定部121判定是否存在地震; 他们的水平; 关闭燃气通道的必要性; 以及自动复位的必要性，并将确定结果输出到关闭/复位控制部分131.关闭/复位控制部分131根据确定结果输出截止信号，复位信号或复位禁止信号以控制截止阀141。 P>版权所有（C）2008，JPO＆INPIT

45. 发明专利

JP2008128824A Ultrasonic flow meter 审中-公开
标题翻译：超声波流量计
公开(公告)号：JP2008128824A
公开(公告)日：2008-06-05
申请号：JP2006314337
申请日：2006-11-21
申请人： Aichi Tokei Denki Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba Corp , 愛知時計電機株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 株式会社東芝
发明人： NAKANO KENJI , SAMEDA YOSHITOMI , TAKAHASHI YUKIO , MAOKA TADANORI , UYAMA HIROTO , FUJIMOTO TATSUO , SUZUKI MAMORU , KONO SACHIKO , NAGAI NOZOMI , YUASA KENICHIRO , ISHIDA HIROSHI , HIROYAMA TORU , HORI ITSURO
IPC分类号： G01F1/66 , G01F3/22
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic flow meter that will not cause wrong determination of equipment abnormalities and flow rate abnormalities, by speedily and accurately detecting a mixture of air and gas in fluid in a flow passage.
SOLUTION: The ultrasonic flowmeter has a pair of ultrasonic vibrators 110a, 110b installed separated by a fixed distance on the upstream side and on the downstream side of a gas flow passage 100c, in which a fluid to be measured flows; a time measurement means for measuring the propagation time of an ultrasonic signal which is transmitted and received between the pair of the ultrasonic vibrators; and a flow rate measurement means for measuring the flow rate of the fluid to be measured, based on the propagation time measured by the time measurement means. The ultrasonic flow meter includes a temperature sensor 160 for measuring the temperature in the gas flow passage 100c; a storing part 120 for storing, in advance, the propagation time data corresponding to the temperature of the fluid, when there is no mixture occurring in the fluid to be measured; and a mixture detection means for detecting whether a mixture is occurring in the fluid to be measured, based on the propagation time data stored by the storing part 120 and the propagation time measured by the time measurement means which corresponds to the temperature measured by the temperature sensor 160.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种超声波流量计，其通过快速准确地检测流路中的流体中的空气和气体的混合物，不会导致设备异常和流量异常的错误判定。解决方案：超声波流量计具有在气体流路100c的上游侧和下游侧隔开一定距离地设置有被测量流体的超声波振子110a，110b，时间测量装置，用于测量在一对超声波振动器之间传输和接收的超声波信号的传播时间; 以及基于由时间测量装置测量的传播时间来测量待测流体的流量的流量测量装置。超声波流量计包括用于测量气体流路100c中的温度的温度传感器160; 存储部120，用于当不存在待测流体中的混合物时，预先存储对应于流体温度的传播时间数据; 以及混合检测装置，用于根据由存储部分120存储的传播时间数据和通过时间测量装置测量的传播时间来检测待测流体中是否发生混合物，该传播时间对应于由温度测量的温度传感器160.版权所有（C）2008，JPO＆INPIT

46. 发明专利

JP2008101951A Gas appliance discrimination device and discrimination method 有权
标题翻译：气体装置辨识装置及辨识方法
公开(公告)号：JP2008101951A
公开(公告)日：2008-05-01
申请号：JP2006283159
申请日：2006-10-17
申请人： Tokyo Gas Co Ltd , Toshiba Corp , 東京瓦斯株式会社 , 株式会社東芝
发明人： ISHINO HITOAKI , UYAMA HIROTO , HASEBE SHINYA , SAMEDA YOSHITOMI , FUJIMOTO TATSUO , SUZUKI MAMORU , WATANABE AKIRA , KONO SACHIKO , NAGAI NOZOMI
IPC分类号： G01F3/22 , F23N5/24 , G01F1/66 , G01M3/00
摘要： PROBLEM TO BE SOLVED: To provide a gas appliance discrimination device and discrimination method, capable of discriminating many types of gas appliances, and capable of detecting gas leakage. SOLUTION: The types of gas appliances and the gas leakage are discriminated based on a correlation between a flow rate and pressure, a correlation between the flow rate and a temperature, and a correlation between the pressure and the temperature, in addition to a flow pattern and range of gas. The discrimination device/method is provided with three detecting parts 1-3 for the gas flow rate, the supplied pressure and the gas temperature. The detecting parts 1-3 are connected to a feature extracting means 4, and an output from the feature extracting means 4 is input into an appliance discrimination means 5. The appliance discrimination means 5 is connected to a discrimination result output means 6 such as a gas leakage alarm. The feature extracting means 4 is constituted of a short-time flow rate section analytical part 41a and a long-time flow rate section analytical part 41b, a short-time flow rate change analytical part 42a and a long-time flow rate change analytical part 42b, a flow rate-pressure correlation function analytical part 43, a flow rate-temperature correlation function analytical part 44 and a pressure-temperature correlation function analytical part 45. The appliance discrimination means 5 collates an analytical result from the feature extracting means 4, with an appliance feature card. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供能够区分多种类型的燃气器具并能够检测气体泄漏的燃气器具识别装置和鉴别方法。解决方案：除了流量和压力之间的相关性，流量和温度之间的相关性以及压力和温度之间的相关性之外，还可以区分燃气器具的类型和气体泄漏，除了气流模式和气体范围。识别装置/方法具有用于气体流量，供给压力和气体温度的三个检测部件1-3。检测部分1-3连接到特征提取装置4，并且特征提取装置4的输出被输入到器具鉴别装置5.器具判别装置5连接到鉴别结果输出装置6，例如气体泄漏报警器特征提取装置4由短时流量部分分析部分41a和长时间流量部分分析部分41b，短时流量变化分析部分42a和长时间流量变化分析部分 42b，流量 - 压力相关函数分析部43，流量 - 温度相关函数分析部44和压力 - 温度相关函数分析部45.器具判别单元5对来自特征提取单元4的分析结果进行核对，配有电器功能卡。版权所有（C）2008，JPO＆INPIT

47. 发明专利

JP2008014839A Ultrasonic gas meter 有权
标题翻译：超声波气体计
公开(公告)号：JP2008014839A
公开(公告)日：2008-01-24
申请号：JP2006187173
申请日：2006-07-06
申请人： Aichi Tokei Denki Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba Corp , 愛知時計電機株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 株式会社東芝
发明人： UYAMA HIROTO , MORI FUMITAKA , TAKAHASHI YUKIO , FUJIMOTO TATSUO , SUZUKI MAMORU , KONO SACHIKO , NAGAI NOZOMI , YUASA KENICHIRO , HIROYAMA TORU , ISHIDA HIROSHI , NABESHIMA NORIYUKI , HANAMURA KOJI
IPC分类号： G01F1/66 , G01F3/22
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic gas meter capable of suppressing current consumption, along with reducing the variations in the performance of transmission and in reception, due to lowering of the voltage of a battery. SOLUTION: This meter is provided with: a transmitting circuit 23 for sending a transmission signal to one ultrasonic sensor to generate an ultrasonic wave, a receiving circuit 25 for detecting the signal received from the other ultrasonic sensor for receiving the generated ultrasonic waves; a control circuit 10 for computing gas flow rate, based on the propagation time of the ultrasonic waves acquired by measuring the time interval starting from the outputting of the transmission signal up to the detection of the received signal; a display element 60 for displaying the computed gas flow rate; the battery 70 for supplying power to the control circuit, booster circuits 90a-90c for boosting the output voltage of the battery; and voltage stabilization circuits 110a-110c for stabilizing the output voltages of the booster circuits to the lowest operating voltages of the transmitting circuit, the receiving circuit, and for the displaying element, and for suppling the stabilized voltages to the trasnmitting circuit, the receiving circuit, and the display element as power sources. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制电流消耗的超声波燃气表，同时由于电池的电压降低，减少了传输性能和接收性能的变化。解决方案：该仪表具有：发送电路23，用于向一个超声波传感器发送发送信号以产生超声波;接收电路25，用于检测从另一个超声波传感器接收的所产生的超声波的信号; ; 基于通过测量从发送信号的输出开始到接收信号的检测的时间间隔获取的超声波的传播时间来计算气体流量的控制电路10; 用于显示计算出的气体流量的显示元件60; 用于向控制电路供电的电池70，用于升压电池的输出电压的升压电路90a-90c; 以及用于将升压电路的输出电压稳定到发送电路，接收电路和显示元件的最低工作电压，以及向稳定电路提供稳定电压的电压稳定电路110a-110c，接收电路，显示元件作为电源。版权所有（C）2008，JPO＆INPIT

48. 发明专利

JP2007024690A Ultrasonic flowmeter 有权
标题翻译：超声波流量计
公开(公告)号：JP2007024690A
公开(公告)日：2007-02-01
申请号：JP2005207598
申请日：2005-07-15
申请人： Aichi Tokei Denki Co Ltd , Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba Corp , 大阪瓦斯株式会社 , 愛知時計電機株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 株式会社東芝
发明人： FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , FUJII YASUHIRO , KIMURA YUKIO , HIROYAMA TORU , HORI ITSURO , TAKAHASHI YUKIO , SAMEDA YOSHITOMI , MAOKA TADANORI , MATSUO KAZUYA
IPC分类号： G01F1/66
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic flowmeter capable of reducing the electric consumption power while highly keeping the measurement precision of the propagation time of ultrasonic waves.
SOLUTION: The ultrasonic flowmeter which includes: a pair of ultrasonic oscillators 101 and 102 arranged at the upstream and the down stream keeping a certain distance and measuring the propagation time while mutually repeating transmission/reception between the pair of ultrasound oscillators; the flow rate measurement circuit 110 for measuring the value of flow rate based on the difference of propagation time between the propagation time from up stream to the down stream and from down stream to the up stream obtained by measurements; and the control circuits 111 to 114 for calculating the standard deviation of the flow rate value transmitted from the flow rate measurement circuit and controlling the repeating times of measurements of the propagation time, based on the calculated standard deviations.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够在保持超声波的传播时间的测量精度的同时降低电力消耗功率的超声波流量计。解决方案：超声波流量计，其包括：一对超声波振荡器101和102，其布置在上游和下游，保持一定距离并测量传播时间，同时在一对超声波振荡器之间相互重复发送/接收; 流量测量电路110，用于基于通过测量获得的从上行到下行的传播时间和从下行到上行的传播时间差来测量流量值; 以及控制电路111〜114，用于计算从流量测量电路发送的流量值的标准偏差，并根据计算的标准偏差来控制传播时间的测量重复次数。版权所有（C）2007，JPO＆INPIT

49. 发明专利

JP2007024526A Gas meter 审中-公开
标题翻译：气体计
公开(公告)号：JP2007024526A
公开(公告)日：2007-02-01
申请号：JP2005203092
申请日：2005-07-12
申请人： Aichi Tokei Denki Co Ltd , Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba Corp , 大阪瓦斯株式会社 , 愛知時計電機株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 株式会社東芝
发明人： FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , FUJII YASUHIRO , KIMURA YUKIO , HIROYAMA TORU , TANAKA YUTAKA , MAOKA TADANORI , SAMEDA YOSHITOMI , TAKAHASHI YUKIO , MATSUO KAZUYA
IPC分类号： G01F3/22 , G01F1/66 , H01M8/00 , H01M8/04 , H01M8/06
CPC分类号： Y02E60/50
摘要： PROBLEM TO BE SOLVED: To provide a gas meter with a built-in fuel cell which dispenses with another installation of a built-in reforming device for the fuel cell. SOLUTION: The gas meter is constituted of: the city gas inflow port 10a for making the gas flow into the meter, the flow rate measurement part 3 for measurement of the amount of the town gas flowing into the port 10a, the built-in fuel cell 9 for supplying driving power of the flow rate measurement part 3 into the flow rate measurement part 3 by generating electricity with hydrogen gas supplied from outside, the cabinet 2 for housing the flow rate measurement part 3 and the built-in fuel cell 9, and the hydrogen gas inflow port 10b for making the hydrogen gas supplied to the built-in fuel cell 9 flow in from outside of the cabinet 2. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为燃气表提供内置的燃料电池，其不需要另外安装用于燃料电池的内置重整装置。解决方案：气量计由用于使气体流入仪表的城市气体流入口10a，流入口10a的城镇气体量的测量用流量测量部3构成，内置在燃料电池9中，用于通过从外部供给的氢气发电，将流量测量部3的驱动力提供到流量测量部3中，用于容纳流量测量部3的机壳2和内置燃料电池9和用于使供给内置燃料电池9的氢气从壳体2的外部流入的氢气流入口10b。（C）2007，JPO＆INPIT

50. 发明专利

JP2006292381A Ultrasonic flowmeter 审中-公开
标题翻译：超声波流量计
公开(公告)号：JP2006292381A
公开(公告)日：2006-10-26
申请号：JP2005109166
申请日：2005-04-05
申请人： Aichi Tokei Denki Co Ltd , Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toshiba Corp , 大阪瓦斯株式会社 , 愛知時計電機株式会社 , 東京瓦斯株式会社 , 東邦瓦斯株式会社 , 株式会社東芝
发明人： FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , FUJII YASUHIRO , KIMURA YUKIO , HIROYAMA TORU , GOMYO TOMOO , SAMEDA YOSHITOMI , TAKAHASHI YUKIO , KIMURA TATSUYA , HASEBE SHINYA
IPC分类号： G01F1/66 , H04R17/00
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic flowmeter capable of improving measurement accuracy of a flow rate by preventing superimposition of an unnecessary reflected wave on an ultrasonic wave propagating in a measuring passage.
SOLUTION: This flowmeter is equipped with a measuring passage 10 wherein a fluid to be measured flows; a measuring pipe 13 provided in the measuring passage, for allowing the fluid to be measured to pass; a first ultrasonic transducer 14 arranged on the wall surface of the measuring passage opposite to one open end of the measuring pipe; a second ultrasonic transducer 15 arranged oppositely to the first ultrasonic transducer on the wall surface of the measuring passage opposite to the other open end of the measuring pipe; a sound absorbing material 16 arranged on the wall surface of the measuring passage around the first ultrasonic transducer and around the second ultrasonic transducer, for attenuating reflection of the ultrasonic wave emitted from the first ultrasonic transducer or the second ultrasonic transducer; and a control circuit 17 for calculating the flow rate of the fluid to be measured flowing in the measuring passage based on a propagation time of the ultrasonic wave transmitted/received between the first ultrasonic transducer and the second ultrasonic transducer.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种能够通过防止在测量通道中传播的超声波上的不必要的反射波的叠加而提高流量的测量精度的超声波流量计。
解决方案：该流量计配备有测量流路10，其中待测流体流动; 设置在测量通道中的测量管13，用于允许流体被测量通过; 布置在所述测量通道的与所述测量管的一个开口端相对的壁表面上的第一超声换能器14; 第二超声换能器15，其与所述测量管道的与所述测量管的另一开口端相反的壁表面上与所述第一超声换能器相对地布置; 布置在第一超声换能器周围的测量通道的壁表面上并围绕第二超声换能器的吸声材料16，用于衰减从第一超声换能器或第二超声换能器发射的超声波的反射; 以及控制电路17，用于根据在第一超声换能器和第二超声换能器之间发送/接收的超声波的传播时间，计算在测量通道中流动的被测流体的流量。版权所有（C）2007，JPO＆INPIT

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