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1. 发明专利

JP2004169891A Active pipe branch valve construction method 有权
标题翻译：主动管道分支阀构造方法
公开(公告)号：JP2004169891A
公开(公告)日：2004-06-17
申请号：JP2002339639
申请日：2002-11-22
申请人： Buyou Gas Kk , Hiroshima Gas Kk , Japan Gas Association , Kyosei:Kk , Narashino City , Ootaki Gas Kk , Shizuoka Gas Kk , 大多喜ガス株式会社 , 広島ガス株式会社 , 株式会社協成 , 武陽ガス株式会社 , 社団法人日本ガス協会 , 習志野市 , 静岡ガス株式会社
发明人： OGAWA MASAO , OIKAWA SEIICHI , SUGIYAMA SEIICHIRO , ISHIGAMI TAMOTSU , KITANO KUNIO , MIDORIKAWA AKIO , IIDA SHIGENOBU , AKIYAMA SATOO , KIZU TERUO , OBATA KOICHI , KOIWA HIROSHI
IPC分类号： F16L41/04
摘要： PROBLEM TO BE SOLVED: To provide an active pipe branch valve construction method that can improve earthquake-resistance and enhance reliability of a gas supply pipe, by using an integrated steel on-off valve of a welded structure and conducting all work for fitting the on-off valve to a pipe line and for connecting a branch pipe with the on-off valve by welding.
SOLUTION: In a position of the gas pipe 1 where the branch pipe is to be connected, the steel on-off valve 12 with a main body 11 integrated into the weld structure is fitted by welding. With the steel on-off valve 12 opened, a drill 6 is inserted into the steel on-off valve 12 and drills the gas pipe 1. After drilling, the drill 6 is pulled out to open the steel on-off valve 12, and the branch pipe is connected to the steel on-off valve 12.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种可以通过使用焊接结构的集成钢开关阀来提高耐气体性和提高气体供给管的可靠性的主动式分支阀施工方法，并且进行全部工作将开关阀装配到管道上，并通过焊接将分支管与开关阀连接。解决方案：在连接分支管的气体管1的位置，通过焊接安装具有集成在焊接结构中的主体11的钢开关阀12。在钢开关阀12打开的情况下，将钻头6插入钢开关阀12并钻出气体管道1.钻孔后，将钻头6拉出以打开钢开关阀12，并且分支管连接到钢开关阀12.版权所有（C）2004，JPO

2. 发明专利

JP2006125464A Valve opening/closing device 审中-公开
标题翻译：阀门开启/关闭装置
公开(公告)号：JP2006125464A
公开(公告)日：2006-05-18
申请号：JP2004312442
申请日：2004-10-27
申请人： Buyou Gas Kk , Japan Gas Association , Kyosei:Kk , Narashino City , Ootaki Gas Kk , 大多喜ガス株式会社 , 株式会社協成 , 武陽ガス株式会社 , 社団法人日本ガス協会 , 習志野市
发明人： AKIYAMA SATOO , MIDORIKAWA AKIO , OGAWA MASAO , OBATA KOICHI , MARUYAMA HIROSHI , MOROZUMI NAOYA
IPC分类号： F16K31/46
摘要： PROBLEM TO BE SOLVED: To provide a valve opening/closing device operable without the need for traffic restriction and superior in safety.
SOLUTION: The valve opening/closing device comprises a valve 1 to be embedded in a carriageway S, a remote control part 2 to be set on the side of a walkway H, and a power transmission mechanism 3 for mechanically transmitting power applied to the remote control part 2 to the valve 1 to be operated. The power transmission mechanism 3 is embedded in a ground and the remote control part 2 is used for opening/closing the valve 1 with remote control.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在不需要交通限制和安全性优异的情况下可操作的阀开闭装置。阀开闭装置包括：嵌入行车道S的阀门1，设置在人行道H侧的遥控部件2，以及用于机械地传递电力的动力传递机构3 到遥控器部分2到要操作的阀1。动力传递机构3嵌入地面，遥控部2用于通过遥控来打开/关闭阀1。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2009014125A Stopper device in live gas pipe blocking method 有权
标题翻译：实际气管堵塞方法中的停止装置
公开(公告)号：JP2009014125A
公开(公告)日：2009-01-22
申请号：JP2007177755
申请日：2007-07-05
申请人： Buyou Gas Kk , Kyosei:Kk , Narashino City , Ootaki Gas Kk , Osaka Gas Co Ltd , Osaki Precision Co Ltd , Toho Gas Co Ltd , 大多喜ガス株式会社 , 大肯精密株式会社 , 大阪瓦斯株式会社 , 東邦瓦斯株式会社 , 株式会社協成 , 武陽ガス株式会社 , 習志野市
发明人： OGAWA MASAO , OIKAWA SEIICHI , AKIYAMA SATOO , TERAUCHI TAKASHI , MIDORIKAWA AKIO , IIDA SHIGENOBU , MATSUURA HIDETOSHI , NIKI ISUKE , SATO KOJI , OTA MASATATSU , MORIZAKI HIROYASU , TANAKA TAKAHIRO , MORI AKIHITO , KOMINE TAKASHI , KOIWA HIROSHI , OBATA YOJI
IPC分类号： F16L55/12
摘要： PROBLEM TO BE SOLVED: To provide a stopper device capable of surely attaching a stopper member to an inner wall of an existing conduit, surely blocking gas and easily detaching the stopper member, in a live gas pipe blocking method wherein a bypass passage for a construction section and the like of a gas pipe is formed and the gas is flowed in it. SOLUTION: In the stopper device used for a gas conduit wherein a hole into which the stopper member is inserted is provided at part of the existing conduit, the stopper device consists of the stopper member and a stopper insertion member and the stopper member is attached to an end of the stopper insertion member and the stopper member is provided with a gripping part consisting of a thick-wall elastic ring member contacting with a conduit inner wall, a fixed support part for gripping this and a slide support part. In the stopper device of the live pipe blocking method, a slide pressing mechanism is provided for the stopper insertion member and, after the stopper member is inserted from the hole and reached to a predetermined conduit inner wall, the slide member of the gripping part moves the thick-wall elastic ring member in a pressing direction. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够将止动构件可靠地附接到现有管道的内壁的止动装置，确保阻塞气体并容易地分离止动构件，其中活塞气体管道阻塞方法中，旁通通道形成气体管道的构造部分等，并且气体流入其中。解决方案：在用于气体导管的止动装置中，其中插入止动件的孔设置在现有导管的一部分处，止动装置由止动件和止动件插入件组成，止动件在止动件插入件的一端附接，并且止动件设置有由与导管内壁接触的厚壁弹性环件，夹持该固定支撑部件和滑动支撑部件的夹持部件构成。在活管堵塞方法的止动装置中，为止动器插入部件设置滑动推压机构，并且在止动部件从孔插入并到达预定的导管内壁之后，夹持部的滑动部件移动所述厚壁弹性环构件处于按压方向。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2005207456A Active pipe branching joint having cutting scrap removing function 审中-公开
标题翻译：活动管道分支接头切割刮刀去除功能
公开(公告)号：JP2005207456A
公开(公告)日：2005-08-04
申请号：JP2004012609
申请日：2004-01-21
申请人： Hokuriku Gas Co Ltd , Japan Gas Association , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , Keiyo Gas Kk , Narashino City , Ootaki Gas Kk , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 大多喜ガス株式会社 , 社団法人日本ガス協会 , 習志野市
发明人： SAITO DAISUKE , TERUNUMA SUNAO , TSURUI HIROSHI , NAKAMURA ATSUSHI , MIDORIKAWA AKIO , MURATA HIDEKIYO , OGAWA MASAO , OIKAWA SEIICHI , MINAMIDE YOSHIAKI , KISHIMOTO YUJI
IPC分类号： F16L41/06 , F16L1/024
摘要： PROBLEM TO BE SOLVED: To provide an active pipe branching joint capable of preventing a resilience keeping ring from slipping off into the joint by structuring so that a missing part of the resilience keeping ring precludes touching with a cutting scrap receptacle tray at the time of pulling up and by installing a new stopper plate to prevent the resilience keeping ring from slipping off from a groove. SOLUTION: The resilience keeping ring 52 has recessed parts 52d and 52e at the inner surfaces of the mutually confronting ends 52b and 52c in the missing part 52a. The stopper plate 60 is installed in the recessed parts 52d and 52e in such a way as covering the missing part 52a and is coupled rigidly with the tip of a set screw 61 screwed into one part of the circumferential wall 11b of a boring operation hole 14. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够防止弹性保持环通过结构滑动到接头中的有源管分支接头，使得弹性保持环的缺失部分阻止与切割废料容器托盘接触拉起和安装新的止动板以防止弹性保持环从凹槽中滑落的时间。解决方案：弹性保持环52在缺失部分52a中相互面对的端部52b和52c的内表面具有凹部52d和52e。止动板60以覆盖缺损部52a的方式安装在凹部52d和52e中，并且刚性地与拧入钻孔操作孔14的周壁11b的一部分的定位螺钉61的前端连接（C）2005，JPO＆NCIPI

5. 发明专利

JP2006258714A Pressure detector of gas 有权
标题翻译：气压检测仪
公开(公告)号：JP2006258714A
公开(公告)日：2006-09-28
申请号：JP2005079233
申请日：2005-03-18
申请人： Hiroshima Gas Kk , Japan Gas Association , Keiyo Gas Kk , Koyo Sangyo Kk , Ootaki Gas Kk , Osaka Gas Co Ltd , 京葉瓦斯株式会社 , 光陽産業株式会社 , 大多喜ガス株式会社 , 大阪瓦斯株式会社 , 広島ガス株式会社 , 社団法人日本ガス協会
发明人： MIDORIKAWA AKIO , ISHIWATARI TADANAO , TOKIYA NAOKI , MOMOI KAZUMITSU , SAITO DAISUKE , KOZAKURA YORITSUGU , MIYAKI SEIJI , TAKAHASHI KAZUMA , SATO TADASHI , IWAKATA MARIO
IPC分类号： G01P13/00 , G01F1/00 , G01L7/16
摘要： PROBLEM TO BE SOLVED: To provide a detector for flow rate and pressure of gas capable of detecting the flow rate and pressure of the gas.
SOLUTION: A cylinder 7 is air-tightly and slidably engaged with a gas passage 5 of a device body 2. A first coil spring 8 for regulating movement of the cylinder 7 to the downstream side with a predetermined magnitude of biasing force is disposed between the device body 2 and the cylinder 7. A valve element 9 is disposed movably inside the cylinder 7. A second coil spring 10 for regulating, with a predetermined magnitude of biasing force, movement of the valve element 9 to the downstream side and seating of it on a valve seat member 13 is disposed between the cylinder 7 and the valve element 9. A first preventing member 14 for preventing the cylinder 7 from moving to the downstream side is screwed and fixed to the device body 1. A second preventing member 15 for preventing the valve element 9 from moving to the downstream side is screwed and fixed to a screw hole 14a of the first preventing member 14.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供能够检测气体的流量和压力的气体的流量和压力的检测器。解决方案：气缸7与设备主体2的气体通道5气密地可滑动地接合。用于以预定大小的偏压力调节气缸7向下游侧的运动的第一螺旋弹簧8是设置在装置本体2和气缸7之间。阀元件9可移动地设置在气缸7的内部。第二螺旋弹簧10用于以预定大小的偏压力调节阀元件9向下游侧的运动，将其安装在阀座构件13上，设置在气缸7和阀体9之间。用于防止气缸7移动到下游侧的第一防止构件14旋拧并固定到装置本体1.第二防止用于防止阀元件9移动到下游侧的构件15旋拧并固定到第一防止构件14的螺纹孔14a。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2006145368A Gas flow rate detector 有权
标题翻译：气体流速检测器
公开(公告)号：JP2006145368A
公开(公告)日：2006-06-08
申请号：JP2004335470
申请日：2004-11-19
申请人： Hiroshima Gas Kk , Japan Gas Association , Keiyo Gas Kk , Koyo Sangyo Kk , Ootaki Gas Kk , Osaka Gas Co Ltd , 京葉瓦斯株式会社 , 光陽産業株式会社 , 大多喜ガス株式会社 , 大阪瓦斯株式会社 , 広島ガス株式会社 , 社団法人日本ガス協会
发明人： MIDORIKAWA AKIO , ISHIWATARI TADANAO , TOKIYA NAOKI , MOMOI KAZUMITSU , SAITO DAISUKE , KOZAKURA YORITSUGU , MIYAKI SEIJI , TAKAHASHI KAZUMA , SATO TADASHI , IWAKATA MARIO
IPC分类号： G01P13/00 , G01F1/00
摘要： PROBLEM TO BE SOLVED: To provide a gas flow rate detector capable of detecting whether a flow rate of gas flowing in a gas pipe is a prescribed flow rate or not.
SOLUTION: A cylindrical body 2 is provided slidably and airtightly in a through hole 1a of a detector main body 1. A movable member 3 is provided movably along an axial direction of the cylindrical body 2 in the inside of the cylindrical body 2. An annular clearance S is formed between an outer circumferential face of a valve part 3a formed in an upstream end part of the movable member 3 and an inner circumferential face of a straight hole part 2d of the cylindrical body 2. A pressure difference is generated between a portion in an upstream and a portion in a downstream of the valve part 3a out of the inside of the cylindrical body 2, by the clearance S. The pressure difference seats the valve part 3a onto a valve seat member 9 to block the inside of the cylindrical body 2, when the flow rate of the gas flowing in the gas pipe is the prescribed flow rate or more. A moving deterring member 4 is provided detachably in the detector main body 1 to deter the movable member 3 from being moved to the downstream.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种气体流量检测器，其能够检测在气体管道中流动的气体的流量是否是规定的流量。解决方案：圆筒体2可滑动和气密地设置在检测器主体1的通孔1a中。可动构件3沿筒体2的轴向方向可移动地设置在圆筒体2的内部在形成于可动构件3的上游端部的阀部3a的外周面与圆筒体2的直孔部2d的内周面之间形成环状间隙S.产生压力差在圆筒体2的内侧的上游部分和阀部分3a的下游部分之间通过间隙S。压力差将阀部分3a放置在阀座部件9上以阻挡内部当在气体管道中流动的气体的流量为规定的流量以上时，移动阻止构件4可拆卸地设置在检测器主体1中，以阻止可动构件3移动到下游。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2006124870A Protection sheet for underground pipe 审中-公开
标题翻译：地下管道保护表
公开(公告)号：JP2006124870A
公开(公告)日：2006-05-18
申请号：JP2004314902
申请日：2004-10-29
申请人： Japan Gas Association , Jfe Engineering Kk , Jfeエンジニアリング株式会社 , Keiyo Gas Kk , Mitsugiron Kogyo Kk , Ootaki Gas Kk , Osaka Gas Co Ltd , Shinwa Sangyo Co Ltd , ミツギロン工業株式会社 , 京葉瓦斯株式会社 , 大多喜ガス株式会社 , 大阪瓦斯株式会社 , 新和産業株式会社 , 社団法人日本ガス協会
发明人： KAWAMURA TAKEAKI , YAMAZAKI KATSUMI , KUKIDA SHINPEI , TERUNUMA SUNAO , MIDORIKAWA AKIO , YAMAZOE NAOTO , ENOHORI YOSHIHIKO , HATANAKA SHOZO , MORIMOTO SHIGEO , SONE MIYO
IPC分类号： D03D15/02 , D03D1/00 , D03D15/00
摘要： PROBLEM TO BE SOLVED: To provide a protection sheet for underground pipe securing sufficient strength by a single sheet and easy to produce and reducing the cost for manufacturing.
SOLUTION: The invention relates to the protection sheet 1 for covering peripheral of the underground pipe or upward part of the pipe through covering soil, comprising a double-folded longitudinal resin band 2 obtained by forming and drawing a synthetic resin, a single ply transversal resin band 3 obtained by forming and drawing a synthetic resin. The protection sheet is obtained by alternately weaving the longitudinal resin band 2 and the transversal resin band 3 into a band like sheet, and the sheet has enhanced strength by double folding the resin band and is set to have flexibility in transverse direction.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于地下管道的保护片，其通过单张片确保足够的强度，并且易于制造并降低制造成本。解决方案：本发明涉及用于通过覆盖土壤覆盖地下管道或管道向上部分的保护片1，包括通过形成和拉制合成树脂获得的双折叠纵向树脂带2，单个通过形成和拉伸合成树脂获得的层叠横向树脂带3。通过将纵向树脂带2和横向树脂带3交替地编织成带状片而获得保护片，并且通过双重折叠树脂带而使片材具有提高的强度，并且被设置为在横向具有柔性。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2003336783A Joint for active pipe branch having chip taking-out function 有权
标题翻译：具有切片功能的主动管支架接头
公开(公告)号：JP2003336783A
公开(公告)日：2003-11-28
申请号：JP2002143426
申请日：2002-05-17
申请人： Hokuriku Gas Co Ltd , Japan Gas Association , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , Keiyo Gas Kk , Ootaki Gas Kk , Osaka Gas Co Ltd , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 大多喜ガス株式会社 , 大阪瓦斯株式会社 , 社団法人日本ガス協会
发明人： SAITO DAISUKE , KAWAMURA TAKEAKI , TSURUI HIROSHI , MIDORIKAWA AKIO , MURATA HIDEKIYO , SHINDO TAKUYA , BESSHO KATSUHIKO , MINAMIDE YOSHIAKI , MIYATA MASATO
IPC分类号： B23B41/08 , B23B47/34 , F16L41/02 , F16L41/06 , F16L41/08
摘要： PROBLEM TO BE SOLVED: To improve assurance and reliability of decision on an inspection result of airtightness of a main plug to close a boring control port after take-out of chips, in a joint for active pipe branch wherein chips are stored in a chip tray after boring of an original pipe by a hole saw, and then taken out. SOLUTION: A pair of first and second division joints 4 and 5 are conjugated with a part in an axial direction of an original pipe 1 and a branch pipe 2 is connected to a branch pipe connection port 13 of the second division joint 5. The chip tray 15 in which chips 42 generated due to boring 40 by the hole saw are stored is lifted until it is fitted in the internal part of a seal ring 21 and a boring control port 14 is temporarily closed in an airtight state. When, after the chips 42 are recovered under an airtight state, an original plug 45 is fastened against the boring control port 14, the chip tray 15 in a seal ring 21 is pressed down to a position above an elastic ring 52 by a tray pressing down member 56. Thus, airtightness by the chip tray 15 through fastening effected by the original plug 45 is reliably released and decision on a result of original airtightness inspection of the original plug 45 is reliably made. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提高在芯片取出后关闭主插头的气密性的检查结果的决定的保证和可靠性，在用于存储芯片的主动管分支的接头中一个芯片托盘通过孔锯镗一根原始管后，然后取出。解决方案：一对第一和第二分割接头4和5与原管1的轴向部分共轭，分支管2连接到第二分割接头5的分支管连接口13 储存通过孔锯镗孔40产生的芯片42的芯片托架15被提升直到其被装配在密封环21的内部，并且镗孔控制口14在气密状态下暂时关闭。当在密封状态下回收芯片42之后，将原始插头45紧固在钻孔控制口14上时，密封环21中的芯片托盘15通过托盘按压被压下到弹性环52上方的位置因此，通过由原始插头45进行的固定由芯片托盘15的气密被可靠地释放，并且可靠地确定对原始插头45的原始气密性检查的结果。版权所有（C）2004，JPO

9. 发明专利

JP2003336782A Joint for active pipe branch 有权
标题翻译：主动管连接接头
公开(公告)号：JP2003336782A
公开(公告)日：2003-11-28
申请号：JP2002143403
申请日：2002-05-17
申请人： Hokuriku Gas Co Ltd , Japan Gas Association , Jfe Pipe Fitting Mfg Co Ltd , Jfe継手株式会社 , Keiyo Gas Kk , Ootaki Gas Kk , 京葉瓦斯株式会社 , 北陸瓦斯株式会社 , 大多喜ガス株式会社 , 社団法人日本ガス協会
发明人： SAITO DAISUKE , KAWAMURA TAKEAKI , TSURUI HIROSHI , MIDORIKAWA AKIO , MURATA HIDEKIYO , MINAMIDE YOSHIAKI , MIYATA MASATO
IPC分类号： B23B41/04 , B23B41/08 , F16L41/02 , F16L41/06 , F16L41/08
摘要： PROBLEM TO BE SOLVED: To prevent a chip tray from being displaced from a given position at the inner bottom part of a second division joint also when branching take-out is effected by obliquely assembling a joint for active pipe branch since a distance between an original pipe and other buried pipe is narrow, and to suitably realize take-out of chips even in case of branch take-out at oblique piping, in a joint for active pipe branch wherein chips are stored in a chip tray after boring of the original pipe by a hole saw, and then taken out. SOLUTION: A pair of first and second division joints 4 ad 5 are conjugated with a part in an axial direction of the original pipe 1 and a branch pipe 2 is connected to a branch pipe connection port 13 of the second division joint 5. A hole saw 26 is set at a boring control port 14 of the second division joint 5. Chips 42 generated by boring are stored in a chip tray 15 situated in a recessed part 46 of the inner bottom of the second division joint 5. The chip tray 15 is held in a fit-in state in the recessed part 46 with a shrinkable and deformable elastic ring 47 situated in a size-reduced state on the inner periphery of the upper end part of the opening of the recessed part 46, and lifting of the chip tray 15 from the recessed part 46 in a diameter expandable state is allowed. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了防止芯片托盘在第二分割接头的内底部处从给定位置移位，当分支取出是通过倾斜组装用于主动管分支的接头而实现的，因为距离在原管和其他埋管之间的狭窄，即使在倾斜管道的分支取出的情况下，也可适当地实现芯片的取出，在用于主动管分支的接头中，其中芯片在钻孔后存储在芯片托盘中原来的管子被一个孔锯，然后取出。解决方案：一对第一和第二分割接头4和5与原管1的轴向部分共轭，分支管2连接到第二分割接头5的分支管连接口13 孔眼26设置在第二分割接头5的钻孔控制口14处。通过钻孔产生的芯片42被存储在位于第二分割接头5的内底部的凹部46中的切屑盘15中。芯片托盘15通过在凹部46的开口的上端部的内周面处于缩小状态的可收缩且可变形的弹性环47在凹部46中保持嵌合状态，允许将芯片托盘15从直径可膨胀状态的凹部46提起。版权所有（C）2004，JPO

10. 发明专利

JP2005283374A Apparatus for detecting gas flow rate 有权
标题翻译：检测气体流量的装置
公开(公告)号：JP2005283374A
公开(公告)日：2005-10-13
申请号：JP2004098564
申请日：2004-03-30
申请人： Koyo Sangyo Kk , Ootaki Gas Kk , 光陽産業株式会社 , 大多喜ガス株式会社
发明人： MIDORIKAWA AKIO , TOKIYA NAOKI , TAKAHASHI KAZUMA , IWAKATA MARIO
IPC分类号： G01F1/38 , G01F1/28 , G01P13/00
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for detecting the flow rate of a gas, which can be inexpensively manufactured. SOLUTION: A male screw part 11e for use in attachment to a gas pipe is formed on the upstream side end part of a tubular apparatus body 1. A tube body 2 is provided inside the apparatus body 1. A valve seat hole 2f is formed on the inner circumferential surface of the tube body 2. A movable member 3 is provided inside the tube body 2 so as to be capable of moving in the axial direction of the tube body 2. The movable member 3 is energized by a coil spring 6 to the downstream side so as to abut against a stopper member 7. A valve part 3a is provided on the end part at the upstream side from the valve seat hole 2f of the movable member 3. A ring-like spacing R is formed between the outer circumferential surface of the valve part 3a and the inner circumferential surface of the tube body 2. A differential pressure between the upstream side part and the downstream side part with respect to the valve part 3a of the tube body 2 is generated by the flow of the gas in the spacing R. When the differential pressure is larger than a prescribed magnitude, the valve part 3a is seated on the valve seat hole 2f. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于检测可以廉价制造的气体的流量的装置。解决方案：在管状设备主体1的上游侧端部形成有用于与气体管道连接的阳螺纹部11e。管体2设置在设备主体1的内部。阀座孔2f 形成在管体2的内周面上。可动构件3设置在管体2的内部，以能够沿着管体2的轴向移动。可动构件3被线圈弹簧6到下游侧，以抵靠止动构件7.阀部分3a设置在可动构件3的阀座孔2f的上游侧的端部上。形成环状间隔R 在阀部3a的外周面与管体2的内周面之间。上游侧部分和下游侧部分之间相对于管体2的阀部分3a的压差由气体在间隙R中的流动压差大于规定值时，阀部3a就位于阀座孔2f上。版权所有（C）2006，JPO＆NCIPI

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