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1. 发明专利

JP2010261746A Gas shut-off device 有权
标题翻译：气体切断装置
公开(公告)号：JP2010261746A
公开(公告)日：2010-11-18
申请号：JP2009110902
申请日：2009-04-30
申请人： Osaka Gas Co Ltd , Panasonic Corp , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo Gas Meter Kk , Yazaki 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 , 東洋ガスメーター株式会社 , 東邦瓦斯株式会社 , 矢崎総業株式会社
发明人： UEKI KOICHI , OTANI TAKAHISA , NAKABAYASHI YUJI , ASANO KAZUTAKA , KOBAYASHI MASATOMO , WATANABE AKIRA , KONO SACHIKO , YUASA KENICHIRO , NAGAI NOZOMI , ISHIKAWA TETSUO , KAWAGUCHI KEIJI , FUJII YASUHIRO , ISHIDA HIROSHI , SAKANO TAKAHIRO , YAMAURA MICHIAKI , ISOBE KIMIKATSU , HORI FUJIO , SHIMIZU HIROSHI
IPC分类号： G01F1/66 , G01F3/22 , G01N27/02
摘要： PROBLEM TO BE SOLVED: To provide a gas shut-off device capable of shutting off a gas by detecting infiltration of water, or the like, into a flow channel or a control part in the device.
SOLUTION: The gas shut-off device includes an amplification degree determining means 18 for determining a signal amplification degree of a flow rate detection means 8 performing flow rate detection with propagation velocity of an ultrasonic wave between vibrators 6, 7 disposed along the flow channel 4; a propagation time determination means 20 for determining the propagation time; a measurement condition setting means 16 changing a measurement condition; a flow channel inside abnormality determination means 22 for estimating water intrusion in the flow channel, when an abnormally short propagation time is detected at the amplification degree equal to or less than a lower limit determination value; a clocking means 23, activated when the amplification degree of an upper limit determination value or more is determined; a measurement ratio calculation means 24 for obtaining a ratio set at the maximum measurement condition during the clocking; an impedance estimation means 25 for estimating the abnormality of impedance between terminals of the flow rate detection means 8, when it is determined that the amplification degree is equal to or more than the upper limit determination value and the measurement ratio is equal to or more than a prescribed value; and a shut-off means 27 for shutting off the supply of gas at abnormality.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过检测水等的渗透而关闭气体的气体切断装置到装置中的流路或控制部中。气体切断装置包括：放大度判定装置18，用于确定流量检测装置8的信号放大度，该流量检测装置8执行流速检测，其传播速度是沿着沿着该方向设置的振动器6,7之间的超声波流路4; 用于确定传播时间的传播时间确定装置20; 改变测量条件的测量条件设置装置16; 当以等于或小于下限确定值的放大度检测到异常较短的传播时间时，用于估计流道中的水侵入的异常确定装置22内的流路; 当确定上限确定值或更多的放大度时激活的计时装置23; 用于获得在计时期间在最大测量条件下设定的比率的测量比率计算装置24; 用于估计流量检测装置8的端子之间的阻抗的异常的阻抗估计装置25，当确定放大度等于或大于上限确定值并且测量比等于或大于规定值以及用于在异常情况下关闭气体供应的切断装置27。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2010216724A Gas shutoff device 有权
标题翻译：气体开关装置
公开(公告)号：JP2010216724A
公开(公告)日：2010-09-30
申请号：JP2009064542
申请日：2009-03-17
申请人： Panasonic Corp , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo Gas Meter Kk , Yazaki Corp , パナソニック株式会社 , 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 , 矢崎総業株式会社
发明人： YOKOHATA MITSUO , UEKI KOICHI , OTANI TAKAHISA , NAKABAYASHI YUJI , ASANO KAZUTAKA , FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , KONO SACHIKO , NAGAI NOZOMI , ISHIDA HIROSHI , SAKANO TAKAHIRO , YAMAURA MICHIAKI , ISOBE KIMIKATSU , HORI FUJIO , SHIMIZU HIROSHI
IPC分类号： F23K5/00 , F23N5/24 , G01F1/66 , G01F3/22
摘要： PROBLEM TO BE SOLVED: To provide a gas shutoff device capable of correctly detecting leakage of an inner pipe even when pulsation exists, and surely registering pilot flame.
SOLUTION: A gas meter device 1 is composed of a flow rate measuring means 3, a computing means 6, a pilot flame discriminating means 7, a section computing means 8, a flow presence/absence determining means 9, a control means 10, a display section 4, a seismoscope 5, a shutoff means 2 and an external communicating means 11. The presence of flow is determined when the difference between the maximum flow rate and the minimum flow rate from the section computing means 8 is within a prescribed allowable width, a section average flow rate is within a prescribed allowable range, and the average of the section average flow rate in continuation by a prescribed number of times, is not within an average determination flow rate, and the leakage of the inner pipe is established in the continuation for a prescribed time.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供即使在存在脉动的情况下能够正确地检测内管的泄漏的气体截止装置，并且可靠地配置导向火焰。气体计量装置1包括流量测量装置3，计算装置6，导向火焰鉴别装置7，区段计算装置8，流动存在/不存在确定装置9，控制装置 10，显示部分4，地震仪5，关闭装置2和外部通信装置11.当区段计算装置8的最大流量和最小流量之间的差异在规定容许宽度，截面平均流量在规定的允许范围内，平均流量的平均值连续规定次数不在平均判定流量内，内管的泄漏在规定的时间内成立。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2006053067A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2006053067A
公开(公告)日：2006-02-23
申请号：JP2004235277
申请日：2004-08-12
申请人： Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo 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
发明人： MIZUKOSHI JIRO , HORI FUJIO , YANO MITSUNORI , FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , FUJII YASUHIRO , KIMURA YUKIO , HIROYAMA TORU
IPC分类号： G01F1/66
摘要： 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
摘要翻译：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

4. 发明专利

JP2005106726A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2005106726A
公开(公告)日：2005-04-21
申请号：JP2003343124
申请日：2003-10-01
申请人： Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo 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
发明人： MIZUKOSHI JIRO , HORI FUJIO , YOSHINO KAZUHIRO , FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , INOUE TOMIO , FUJII YASUHIRO , HIROYAMA TORU
IPC分类号： G01F3/22 , G01F1/66
摘要： 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
摘要翻译：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

5. 发明专利

JP2014006159A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2014006159A
公开(公告)日：2014-01-16
申请号：JP2012142125
申请日：2012-06-25
申请人： Toyo Gas Meter Kk , 東洋ガスメーター株式会社 , Tokyo Gas Co Ltd , 東京瓦斯株式会社 , Osaka Gas Co Ltd , 大阪瓦斯株式会社 , Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： HORI FUJIO , MIZUKOSHI YASUSHI , MORII NOBUYOSHI , YUASA KENICHIRO , OWAKU TAKASHI , ASADA SHOJI , FUJII YASUHIRO , MASUDA TAKEHIRO , ISHIDA HIROSHI , SAKANO TAKAHIRO , SAWAKI DAISUKE
IPC分类号： G01F3/22 , G01F1/66
摘要： PROBLEM TO BE SOLVED: To provide a gas meter, which measures a gas flow rate using an ultrasonic wave, capable of further suppressing gas turbulence.SOLUTION: In a gas meter which measures a flow rate of gas, which flows inside a measuring flow channel formed inside a tubular measuring pipe 22, using an ultrasonic wave, the measuring flow channel has a square cross-section orthogonal to an axis direction of a gas flow. The measuring pipe 22 is a square tube which has 4 inner wall faces configuring the measuring flow channel and is formed by combining a first measuring pipe member 22a and a second measuring pipe member 22b which respectively integrate 2 neighboring inner walls so as to have L-shaped cross-sections orthogonal to the axis direction. In the measuring pipe 22, a ring member 27 formed into a ring surrounding an opening section of the measuring pipe 22 is fitted into at least an end section where gas flows in therethrough.
摘要翻译：要解决的问题：提供一种能够进一步抑制气体湍流来测量使用超声波的气体流量的燃气表。解决方案：在测量在测量流路内流动的气体流量的气量计中，形成在管状测量管22内，使用超声波，测量流动通道具有与气流的轴线方向正交的正方形横截面。测量管22是具有构成测量流动通道的4个内壁面的方形管，并且通过组合第一测量管构件22a和第二测量管构件22b而形成，第一测量管构件22a和第二测量管构件22b分别结合两个相邻的内壁，形状的横截面垂直于轴线方向。在测量管22中，形成为围绕测量管22的开口部分的环的环形构件27装入至少一个气体流入其中的端部。

6. 发明专利

JP2013096901A Ultrasonic flowmeter 有权
标题翻译：超声波流量计
公开(公告)号：JP2013096901A
公开(公告)日：2013-05-20
申请号：JP2011241277
申请日：2011-11-02
申请人： Toyo Gas Meter Kk , 東洋ガスメーター株式会社 , Tokyo Gas Co Ltd , 東京瓦斯株式会社 , Osaka Gas Co Ltd , 大阪瓦斯株式会社 , Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： MIZUKOSHI YASUSHI , HORI FUJIO , NAKAMURA NOBUHIRO , YUASA KENICHIRO , OWAKU TAKASHI , FUJII YASUHIRO , MASUDA TAKEHIRO , ISHIDA HIROSHI , SAKANO TAKAHIRO
IPC分类号： G01F1/66
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic flowmeter that can achieve highly accurate resolution in time measurement while keeping required specifications and costs of peripheral elements low and saving power consumption.SOLUTION: An ultrasonic flowmeter comprises a rough clock 1 that measures a total time x from transmission to reception of a measurement wave w; a main clock 2 that measures an excess time a from the reception of the measurement wave w to detection of a rough clock pulse 1p immediately after the reception of the measurement wave; delay matching means 3 that measures an error time b from detection of a main clock pulse 2p immediately after the reception of the measurement wave to the detection of the rough clock pulse 1p immediately after the reception of the measurement wave; and arithmetic operation means 4 that outputs as a required time y the balance of subtraction, from the total time x, of the remaining time of subtraction of the error time b from a multiple time d equivalent to the number of the main clock pulses 2p output from the reception of the measurement wave w to the detection of the rough clock pulse 1p immediately after the reception of the measurement wave.
摘要翻译：要解决的问题：提供一种超声波流量计，可以实现高精度的时间分辨率，同时保持周边元件的所需规格和成本，并节省功耗。解决方案：超声波流量计包括测量从发射到接收测量波w的总时间x的粗略时钟1; 主时钟2，其测量从测量波w的接收到紧接在接收测量波之后的粗略时钟脉冲1p的超时时间a; 延迟匹配装置3，其从接收到测量波之后的主时钟脉冲2p的检测到紧接在测量波之后的粗略时钟脉冲1p的检测来测量误差时间b; 以及算术运算装置4，从相当于主时钟脉冲2p输出数的多个时间d的剩余时间的总时间x中输出作为所需时间y的减法平均值从测量波w的接收到接收测量波之后的粗略时钟脉冲1p的检测。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2013064643A Method and apparatus for correcting zero point of ultrasonic flowmeter 审中-公开
标题翻译：用于校正超声波流量计零点的方法和装置
公开(公告)号：JP2013064643A
公开(公告)日：2013-04-11
申请号：JP2011203358
申请日：2011-09-16
申请人： Toyo Gas Meter Kk , 東洋ガスメーター株式会社 , Tokyo Gas Co Ltd , 東京瓦斯株式会社 , Osaka Gas Co Ltd , 大阪瓦斯株式会社 , Toho Gas Co Ltd , 東邦瓦斯株式会社
发明人： MIZUKOSHI YASUSHI , HORI FUJIO , NAKAMURA NOBUHIRO , YUASA KENICHIRO , OWAKU TAKASHI , FUJII YASUHIRO , MASUDA TAKEHIRO , ISHIDA HIROSHI , SAKANO TAKAHIRO
IPC分类号： G01F1/66
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for correcting a zero point of an ultrasonic flowmeter, which can timely correct the zero point without requiring difficult environment setting such as passage blockage and pressure adjustment.SOLUTION: The ultrasonic flowmeter zero point correcting method and its apparatus for detecting a flow rate of fluid by installing a pair of ultrasonic sensors 2, 2 oppositely each other on the upstream and downstream of a passage 1 includes a flow rate correction step for converting a reflection time difference between forward reflection time and reverse reflection time of a measurement wave W into an offset value and updating a level of the offset value as a zero point of a flow rate to be guided by the ultrasonic flowmeter.
摘要翻译：要解决的问题：提供一种用于校正超声波流量计的零点的方法和装置，其可以在不需要困难的环境设置（诸如通道阻塞和压力调节）的情况下及时校正零点。解决方案：超声波流量计零点校正方法及其用于通过在通道1的上游和下游安装一对超声波传感器2,2彼此相对设置的用于检测流体流量的装置包括流量校正步骤用于将测量波W的正向反射时间和反向反射时间之间的反射时间差转换为偏移值，并将偏移值的水平更新为由超声波流量计引导的流量的零点。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2009115496A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2009115496A
公开(公告)日：2009-05-28
申请号：JP2007286175
申请日：2007-11-02
申请人： Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo Gas Meter Kk , 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
发明人： KAJITANI AKIRA , MIZUKOSHI JIRO , YAMAZAKI SHUICHI , HORI FUJIO , YUASA KENICHIRO , NAGAI NOZOMI , HIROYAMA TORU
IPC分类号： G01F3/22 , G01F1/66
摘要： PROBLEM TO BE SOLVED: To provide a gas meter which can be more easily manufactured by reducing the number of components constituting a flow passage.
SOLUTION: In the gas meter including a flow passage member 10 including a gas passage with an approximately U-shaped tubular shape from an inflow port 11 to an outflow port 12, a measurement tube 22 arranged in the flow passage and including a communicating passage 25 through which the gas flowing in the flow passage passes, a pair of ultrasonic wave propagation means 23A, 23B for propagating an ultrasonic wave between prescribed two points at an upstream side and a downstream side in the communicating passage 25, and a control means for calculating a flow rate of the gas flowing in the communicating passage 25 on the basis of a detection signal from the ultrasonic wave propagation means, an opening part for arranging the measurement tube 22 in the flow passage is provided at a bottom side part of the approximately U-shaped flow passage in the flow passage member 10, and the flow passage member 10 includes a structure in which the measurement tube 22 is assembled into the flow passage from the opening part and in which the opening part is sealed by assembling a bottom surface panel member 21 at the opening part. The flow passage member 10 is formed of an integrated molding product.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过减少构成流路的部件的数量更容易地制造的气量计。解决方案：在包括流路部件10的气体计量器中，包括从流入口11到流出口12的具有大致U形管状的气体通道的流路部件10，配置在流路内的测定管22，在流路中流动的气体通过的连通通路25，在连通通路25的上游侧和下游侧的规定的两点之间传播超声波的一对超声波传播单元23A，23B，用于基于来自超声波传播装置的检测信号来计算在连通通道25中流动的气体的流量的装置，在测量管22的流动通道中布置测量管22的开口部分设置在流路部件10中的大致U字状的流路，流路部件10具有将测定管22组装成流通通路并且其中开口部分通过在开口部分组装底表面板构件21而被密封。流路构件10由一体成形品形成。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2006038627A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2006038627A
公开(公告)日：2006-02-09
申请号：JP2004218768
申请日：2004-07-27
申请人： Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo 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
发明人： MIZUKOSHI JIRO , HORI FUJIO , YANO MITSUNORI , FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , FUJII YASUHIRO , KIMURA YUKIO , HIROYAMA TORU
IPC分类号： G01F1/66 , G01F1/00
摘要： 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
摘要翻译：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

10. 发明专利

JP2006029907A Gas meter 有权
标题翻译：气体计
公开(公告)号：JP2006029907A
公开(公告)日：2006-02-02
申请号：JP2004207158
申请日：2004-07-14
申请人： Osaka Gas Co Ltd , Toho Gas Co Ltd , Tokyo Gas Co Ltd , Toyo 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
发明人： MIZUKOSHI JIRO , HORI FUJIO , YANO MITSUNORI , FUJIMOTO TATSUO , SUZUKI MAMORU , YUASA KENICHIRO , FUJII YASUHIRO , KIMURA YUKIO , HIROYAMA TORU
IPC分类号： G01F3/22 , G01F1/684
摘要： 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
摘要翻译：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

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