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    • 1. 发明专利
    • Gas meter
    • 气体计
    • JP2006053067A
    • 2006-02-23
    • JP2004235277
    • 2004-08-12
    • Osaka Gas Co LtdToho Gas Co LtdTokyo Gas Co LtdToyo Gas Meter Kk大阪瓦斯株式会社東京瓦斯株式会社東洋ガスメーター株式会社東邦瓦斯株式会社
    • MIZUKOSHI JIROHORI FUJIOYANO MITSUNORIFUJIMOTO TATSUOSUZUKI MAMORUYUASA KENICHIROFUJII YASUHIROKIMURA YUKIOHIROYAMA TORU
    • G01F1/66
    • PROBLEM TO BE SOLVED: To facilitate assembling work and to restrain a constitutive element of a gas meter from being deformed when manufactured, by forming a protruded positioning means on an outer face of a substantially coplanar measuring flow passage.
      SOLUTION: Positioning portions for positioning and fixing the measuring flow passage 30 in an inside of a storage member 21 are formed on opposed faces 27a, 27b of the storage member 21 and the outer face of the measuring flow passage 30, the each positioning portion is constituted of a protruded portion 35 formed on the outer face of the measuring flow passage 30, and storage portions 28a, 28b formed in the opposed faces 27a, 27b of the storage member 21 faced to the protruded portion 35 in an assembled condition, and the outer faces of respective sides constituting the measuring flow passage 30 is formed to bring portions formed with flanges 30i, 30e into a substantially coplanar face with respect to portions other than the portion formed with the protruded portion 35.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了便于组装工作和限制燃气表的构成元件在制造时变形,通过在基本上共面的测量流动通道的外表面上形成突出的定位装置。 解决方案:用于将测量流路30定位和固定在存储构件21的内部的定位部分形成在存储构件21的相对面27a,27b和测量流路30的外表面上,每个 定位部分由形成在测量流动通道30的外表面上的突出部35和形成在存储部件21的相对面27a,27b中的存储部分28a,28b构成在组装状态下面对突出部分35 并且构成测量流路30的各侧的外表面形成为将形成有凸缘30i,30e的部分相对于形成有突出部35的部分以外的部分形成为基本上共面。 (C)2006,JPO&NCIPI
    • 3. 发明专利
    • Gas meter
    • 气体计
    • JP2005106726A
    • 2005-04-21
    • JP2003343124
    • 2003-10-01
    • Osaka Gas Co LtdToho Gas Co LtdTokyo Gas Co LtdToyo Gas Meter Kk大阪瓦斯株式会社東京瓦斯株式会社東洋ガスメーター株式会社東邦瓦斯株式会社
    • MIZUKOSHI JIROHORI FUJIOYOSHINO KAZUHIROFUJIMOTO TATSUOSUZUKI MAMORUYUASA KENICHIROINOUE TOMIOFUJII YASUHIROHIROYAMA TORU
    • G01F3/22G01F1/66
    • PROBLEM TO BE SOLVED: To provide a gas meter which assures precision of a cross section area of a path of a flow channel to be measured in which a fluid flows, and precision of a flow rate of the fluid measured by an ultrasonic flow measuring means, with reduced cost.
      SOLUTION: In the gas meter, a pair of ultrasonic transmit-receive means are located to face each other in a flow channel to be measured. The flow channel to be measured comprises a body case, and a straight measuring tube for flow rate measurement stored in the body case. The measuring tube is connected using two L-shape members (52a and 52b) whose cross section in the vertical direction against the flow direction is L-shaped so as to make the cross section of the tube is rectangular. At the position where the ultrasonic transmit-receive means is located, an opening (52c) is provided. In addition, a turbulent flow suppression member (54) which has micropore to pass through ultrasonic waves is provided at the opening. The measuring tube also comprises a member whose coefficient of linear expansion is not greater than a prescribed value.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种气体计,其确保流体流动的待测量流路的路径的截面积的精度,以及通过超声波测量的流体的流量的精度 流量测量装置,成本降低。 解决方案:在气量计中,一对超声波发射 - 接收装置被定位成在要测量的流动通道中彼此相对。 要测量的流动通道包括主体壳体和存储在主体壳体中的用于流量测量的直的测量管。 测量管使用两个L形构件(52a和52b)连接,其横截面沿垂直方向相对于流动方向为L形,以使管的横截面为矩形。 在超声波发送接收装置所在的位置,设置有开口(52c)。 此外,在开口处设置有具有通过超声波的微孔的湍流抑制构件(54)。 测量管还包括线膨胀系数不大于规定值的构件。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Gas meter
    • 气体计
    • JP2003075226A
    • 2003-03-12
    • JP2001263855
    • 2001-08-31
    • Osaka Gas Co LtdToho Gas Co LtdToyo Gas Meter Kk大阪瓦斯株式会社東洋ガスメーター株式会社東邦瓦斯株式会社
    • MATSUSHITA HIROSHIMINAMI TADAYUKIFUJII YASUHIROTAGAWA SHIGERUKIMURA YUKIOHIROYAMA TORUMIZUKOSHI JIROHORI FUJIOMORII NOBUYOSHINAKAMURA NOBUHIRO
    • G01F3/22G01F1/00G01F1/66
    • PROBLEM TO BE SOLVED: To provide a gas meter which reduces a power consumption used to drive an adjusting means by a method wherein the position (the opening amount) of a valve is controlled properly according to the used amount of gas.
      SOLUTION: The gas meter is provided with a main flow channel in which the adjusting means used to adjust the opening amount of a flow channel is installed, a subflow channel which bypasses the adjusting means in the main flow channel, a flow-rate detection means and a control means which controls opening/closing of the adjusting means on the basis of a corrected flow-rate value obtained by correcting and processing the detected flow-rate value of the flow-rate detection means. The control means controls the adjusting means to the position of a first opening between a fully closed position and a fully opened position when the corrected flow-rate value becomes a first prescribed flow-rate value or more, and it controls the adjusting means to the fully opened position when the corrected flow-rate value becomes a second prescribed flow- rate value or more higher than the first prescribed flow-rate value when the adjusting means is in the position of the first opening.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种气量计,其通过根据所使用的气体量适当地控制阀的位置(开口量)的方法来降低用于驱动调节装置的功率消耗。 解决方案:气量计设有主流道,其中安装用于调节流道开口量的调节装置,旁通主流道中的调节装置的子流通道,流量检测装置 以及控制装置,其基于通过校正和处理检测到的流量检测装置的流量值获得的校正流量值来控制调节装置的打开/关闭。 当校正流量值变为第一规定流量值以上时,控制装置将调节装置控制在完全关闭位置和完全打开位置之间的第一开口的位置,并且将调节装置控制到 当调节装置处于第一开口的位置时,当校正流量值变为第二规定流量值或更高于第一规定流量值时,完全打开位置。
    • 7. 发明专利
    • Gas leak detector and gas meter
    • 气体泄漏探测器和气体计
    • JP2003075210A
    • 2003-03-12
    • JP2001263854
    • 2001-08-31
    • Osaka Gas Co LtdToho Gas Co LtdToyo Gas Meter Kk大阪瓦斯株式会社東洋ガスメーター株式会社東邦瓦斯株式会社
    • MATSUSHITA HIROSHIMINAMI TADAYUKIFUJII YASUHIROTAGAWA SHIGERUKIMURA YUKIOHIROYAMA TORUMIZUKOSHI JIROHORI FUJIOMORII NOBUYOSHINAKAMURA NOBUHIRO
    • G01F1/00F17D5/06G01F1/66G01F3/22G01M3/00
    • PROBLEM TO BE SOLVED: To provide a gas leak detector or a gas meter which reduces the driving number of times of an adjusting means to reduce the current consumption of a battery for driving the adjusting means and reliably detects even a small rate of gas leakage.
      SOLUTION: The gas leak detector or the gas meter having this detector comprises a main passage having a means for adjusting the opening of the passage, a subpassage having a flow rate detecting means, and a failure detecting means. The subpassage bypasses the main passage. The failure detecting means controls to fully close the adjusting means in the event of a failure detected, and the adjusting means detects the gas leak failure, based on a measured value by the flow rate detecting means with the adjusting means fully closed. The detecting means acts for detecting the failure every first specified time. If the detected flow rate based on the measured value by the flow rate detecting means with the adjusting means fully closed in the event of the failure exceeds a first specified flow rate continuously for over a second specified time, it detects the gas leak failure.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种减少调节装置的驱动次数的气体泄漏检测器或气量计,以减少用于驱动调节装置的电池的电流消耗,并可靠地检测甚至较小的气体泄漏率。 解决方案:具有该检测器的气体泄漏检测器或气量计包括具有用于调节通道开口的装置的主通道,具有流量检测装置的次通道以及故障检测装置。 次通过绕过主要通道。 故障检测装置控制在检测到故障的情况下完全关闭调节装置,并且调节装置基于通过调节装置完全关闭的流量检测装置的测量值来检测气体泄漏故障。 检测装置用于每第一指定时间检测故障。 如果在发生故障的情况下通过调节装置完全关闭的流量检测装置的检测到的流量超过第一指定流量超过第二指定时间,则检测到气体泄漏故障。
    • 8. 发明专利
    • Gas meter
    • 气体计
    • JP2006038627A
    • 2006-02-09
    • JP2004218768
    • 2004-07-27
    • Osaka Gas Co LtdToho Gas Co LtdTokyo Gas Co LtdToyo Gas Meter Kk大阪瓦斯株式会社東京瓦斯株式会社東洋ガスメーター株式会社東邦瓦斯株式会社
    • MIZUKOSHI JIROHORI FUJIOYANO MITSUNORIFUJIMOTO TATSUOSUZUKI MAMORUYUASA KENICHIROFUJII YASUHIROKIMURA YUKIOHIROYAMA TORU
    • G01F1/66G01F1/00
    • PROBLEM TO BE SOLVED: To keep detection accuracy of a gas meter for a long period by removing a contact part between a transmission portion of a lid member and a straightening vane. SOLUTION: On a propagation window part 41, a plate-shaped turbulent flow suppression member 60 is assembled from the inside of a measuring passage 30. On the turbulent flow suppression member 60, the transmission portion 61 for transmitting an ultrasonic wave is formed on a part of a face facing to the inside of the measuring passage 30 at the assembling state time. The lengthy side of the straightening vane 70 is arranged across the propagation window part 41 in the flowing direction of gas. The turbulent flow suppression member 60 is put into the pressed state onto the propagation window part 41 by the straightening vane 70 at the assembling state time, and, at the same state time, an aperture is formed between the transmission portion 61 and the lengthy side of the straightening vane 70 facing the transmission portion 61. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过去除盖构件的传动部分和矫直叶片之间的接触部分来长时间保持气量计的检测精度。 解决方案:在传播窗口部分41上,从测量通道30的内部组装板状湍流抑制构件60.在湍流抑制构件60上,用于传输超声波的传输部分61 在组装状态时刻形成在与测量通道30的内侧相对的面的一部分上。 矫直叶片70的长边沿气体的流动方向布置在传播窗口部分41的两侧。 湍流抑制构件60在组装状态时由矫直叶片70进入按压状态到传播窗口部分41,并且在相同的状态下,在传动部分61和长边之间形成孔 矫正叶片70面对透射部分61.版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Gas meter
    • 气体计
    • JP2006029907A
    • 2006-02-02
    • JP2004207158
    • 2004-07-14
    • Osaka Gas Co LtdToho Gas Co LtdTokyo Gas Co LtdToyo Gas Meter Kk大阪瓦斯株式会社東京瓦斯株式会社東洋ガスメーター株式会社東邦瓦斯株式会社
    • MIZUKOSHI JIROHORI FUJIOYANO MITSUNORIFUJIMOTO TATSUOSUZUKI MAMORUYUASA KENICHIROFUJII YASUHIROKIMURA YUKIOHIROYAMA TORU
    • G01F3/22G01F1/684
    • PROBLEM TO BE SOLVED: To restrain backlash of a straightening vane as in a prior art, and to facilitate fitting-in work for the straightening vane, by storing the straightening vane in a prescribed position while guiding it. SOLUTION: This gas meter is provided with the straightening vane 70 arranged bridgedly on two opposed inner wall faces out of the four inner wall faces in a measuring flow passage, the straightening vane 70 is a plate member long along a gas flowing direction, a groove part 82 is formed on the two opposed inner wall faces to be inserted with the straightening vane 70 from a direction perpendicular to the inner walls, a storage part 86 for storing the straightening vane 70 to be fixed is formed in a depth-directional tip part of the groove 82, an opening part 83 opened in an inner wall face side of the groove 82 has an opening dimension larger than a plate thickness dimension of the straightening vane 70 in view of a cross-section perpendicular to the gas flowing direction, a storage height dimension of the storage part 86 has a size same to the plate thickness dimension of the straightening vane 70 in view of the same cross-section, and the groove 82 is formed to make an opening dimension get small gradually from the opening part 83 toward the storage part 86, in view of the same cross-section. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了限制现有技术中的矫直叶片的间隙,并且通过在矫直叶片引导的同时将矫直叶片存放在规定位置,以便于矫直叶片的装配工作。 解决方案:该气量计具有在测量流路中四个内壁面之间的两个相对的内壁面上桥接布置的矫直叶片70,矫直叶片70是沿着气体流动方向长的板构件 在两个相对的内壁面上形成槽部分82,以从矫直叶片70垂直于内壁的方向插入,用于储存固定的矫直叶片70的储存部分86形成在深度方向上, 考虑到垂直于气体流动的横截面,凹槽82的定向尖端部分,在凹槽82的内壁面侧开口的开口部83的开口尺寸大于矫直叶片70的板厚度尺寸 方向上,存储部86的存放高度尺寸考虑到相同的横截面而具有与矫直叶片70的板厚度尺寸相同的尺寸,并且凹槽82形成为使得开口变暗 考虑到相同的横截面,收缩部从开口部83朝向收纳部86逐渐变小。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Gas meter
    • 气体计
    • JP2006003305A
    • 2006-01-05
    • JP2004182627
    • 2004-06-21
    • Osaka Gas Co LtdToho Gas Co LtdTokyo Gas Co LtdToyo Gas Meter Kk大阪瓦斯株式会社東京瓦斯株式会社東洋ガスメーター株式会社東邦瓦斯株式会社
    • MIZUKOSHI JIROHORI FUJIOYANO MITSUNORIFUJIMOTO TATSUOSUZUKI MAMORUYUASA KENICHIROFUJII YASUHIROKIMURA YUKIOHIROYAMA TORU
    • G01F3/22
    • PROBLEM TO BE SOLVED: To provide a gas meter with a structure capable of facilitating the connection of wiring of a gas meter and an adaptor and preventing the intrusion of rainwater or the like from the connected wiring.
      SOLUTION: In the gas meter provided with a communication terminal for performing communication with the adaptor, the communication terminal is arranged in a terminal housing part, and a terminal sealing part provided so as to surround the communication terminal is formed in the terminal housing part. A detachable terminal cover is provided in the terminal housing part, and the gas meter has the structure sandwiching a first sealing member formed into a shape corresponding to the terminal sealing part with the terminal sealing part and the terminal cover. When connecting the adaptor, one end of the wiring is connected to the communication terminal, the wiring is led from between the terminal sealing part and the terminal cover to connect the other end of the wiring to the adaptor. A wiring sealing part provided with a second sealing member is formed at a prescribed position of the terminal sealing part, and wiring 1Z is sandwiched with the first sealing member 14 and the second sealing member 60 to be surrounded in a radial direction.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种具有能够便于连接燃气表和适配器的布线的结构的燃气表,并防止雨水等从连接的布线的入侵。 解决方案:在具有用于与适配器进行通信的通信终端的燃气表中,通信终端设置在端子壳体部分中,并且在终端中形成设置为围绕通信终端的端子密封部 住房部分。 在端子壳体部分设置有可拆卸的端子盖,并且气体计具有将端子密封部和端子盖形成为与端子密封部对应的形状的第一密封部件的结构。 当连接适配器时,布线的一端连接到通信端子,接线从端子密封部分和端子盖之间引出,将布线的另一端连接到适配器。 在端子密封部的规定位置形成具有第二密封部件的配线密封部,并且将配线1Z与第一密封部件14和第二密封部件60夹持以沿径向包围。 版权所有(C)2006,JPO&NCIPI