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1. 发明专利

JPH10300061A GAS SUPPLY SYSTEM 失效
公开(公告)号：JPH10300061A
公开(公告)日：1998-11-13
申请号：JP11381997
申请日：1997-05-01
申请人： TOKYO GAS CO LTD , TOKYO GAS CHEM KK
发明人： SATAKE YUKINOBU , NAGANUMA TETSUO , WAKUI KOICHI , KAMIYA KOJI , KATO KANAME
IPC分类号： F17C13/12 , F23K5/00 , F23N5/26
摘要： PROBLEM TO BE SOLVED: To obtain a gas supply system capable of properly identifying whether or not use pressure at a supply side is proper. SOLUTION: In a gas supply passage where a high pressure container 10 filled with gas is located on an input side, and a connection part 50 with a gas supply side is located on an output side, pressure of gas incorporated from the high pressure container 10 is reduced to final pressure used at the gas supply side with a plurality of pressure reduction parts 12, 13, and the gas passing through the pressure reduction parts 12, 13 is introduced into a heat exchange part 14 to calibrate temperature, and in a gas supply passage reaching the output side, there is alarmed a display 19 operated by the gas pressure and being different from an ordinary state by direct action of the pressure when the pressure is higher than predetermined pressure.

2. 发明专利

JPH10220694A GAS SUPPLY SYSTEM 失效
公开(公告)号：JPH10220694A
公开(公告)日：1998-08-21
申请号：JP2915997
申请日：1997-02-13
申请人： TOKYO GAS CO LTD , TOKYO GAS CHEM KK
发明人： SATAKE YUKINOBU , NAGANUMA TETSUO , WAKUI KOICHI , KAMIYA KOJI , KATO KANAME
IPC分类号： F17C7/00
摘要： PROBLEM TO BE SOLVED: To prevent working time from being prolonged caused when a pipe line in the underground cannot be used and to supply gas with ease with the pressure of gas to be supplied optimized and safety secured. SOLUTION: A gas taken out from a high pressure vessel 10 is decreased to the final pressure that is used in the gas supply destination through plural stage pressure reduction sections 12 and 13, and on the other hand, the gas passing through the pressure reduction sections 12 and 13 is introduced to a thermal exchange section 14, regenerating temperature. In the case where the pressure of the gas is higher than a specified pressure value, gas introduction to a pressure reduction section 12 is cut-off by an emergency cut-off section 15, and a second connection section 51, in which pressure gas higher than the final pressure can be taken out and introduced, is provided in addition to a first connection section 50 that can take out the gas of the final pressure. In order to take out gas from the high pressure vessel 10 and supply the gas to the supply destination, the opening and closing of the emergency cut-off section 15 is controlled by the pressure of the gas discharged from a heat exchange section 14, and in order to introduce gas from the second connection section 51, gas is supplied to the first connection section 50 from the second connection section 51.

3. 发明专利

JPH10185884A SOUND WAVE TYPE CONDUIT INVESTIGATION SYSTEM 失效
公开(公告)号：JPH10185884A
公开(公告)日：1998-07-14
申请号：JP34595196
申请日：1996-12-25
申请人： TOKYO GAS CO LTD
发明人： NAGANUMA TETSUO
IPC分类号： G01N29/00 , G01B17/00 , G01N29/04 , G01N29/18
摘要： PROBLEM TO BE SOLVED: To obtain a sound wave type conduit investigation system that makes the send-out of sound waves, which do not lower resolution to discriminate reflected sound waves, by registering a voltage waveform, which is set by the bore of a conduit and by the frequency of the sound waves, in advance, and obtaining a prescribed sound-wave waveform. SOLUTION: One end part of a conduit S is provided with a loudspeaker 1, a microphone 2 and with a control part 3, which is connected to them. Then, while the bore of the conduit S and the frequency of sound waves are used as parameters, a waveform table, in which a voltage waveform to be output to the loudspeaker 1 is registered in the control part 3 so that a prescribed sound-wave waveform, which is composed of a sine wave in one cycle can be obtained. Then, the bore of the conduit S as an object to be investigated and the frequency of sound waves to be used are output by a conduit-bore input key 4 and a frequency input key 5. Then, the control part 3 extracts, from the waveform table, the voltage waveform which can obtain a sound waveform in one cycle, and the voltage waveform is output to the loudspeaker 1. Consequently, since the loudspeaker 1 generates the prescribed sound-wave waveform, it is possible to obtain the sound wave type conduit investigation system whose resolution drop is prevented when reflected sound waves are discriminated.

4. 发明专利

JPH10185879A METHOD FOR PREVENTING MULTIPLE REFLECTION INSIDE PIPE IN ULTRASONIC CONDUIT INVESTIGATION SYSTEM 失效
公开(公告)号：JPH10185879A
公开(公告)日：1998-07-14
申请号：JP34595296
申请日：1996-12-25
申请人： TOKYO GAS CO LTD
发明人： NAGANUMA TETSUO
IPC分类号： G01B17/00 , G01N29/04 , G01N29/07 , G01N29/11 , G01N29/10
摘要： PROBLEM TO BE SOLVED: To obtain a preventive method that can prevent the multiple reflection of sound waves and that makes only reflected sound waves from an existing reflection source possible to be received, by arranging a sound gathering means in a position before a place, in which reflected sound waves reach a sound generating means, and changing over one end of a conduit to a nonreflection state immediately after sound waves are sent out. SOLUTION: A loudspeaker 1 is arranged at one end of a conduit S, and a microphone 2 is arranged at its front part so as to be connected electrically to a control part 3. Then, when pulse-shaped sound waves are sent out from the loudspeaker 1, the reflected waves (1) of reflected sound waves at an end part other than one end part of the conduit S is gathered by the microphone 2. When the control part 3 discriminates the reception timing of the reflected waves (1), the control part 3 applies a voltage to the loudspeaker 1 so as to send out sound waves whose amplitude is identical to it and whose phase is opposite to it, and it is changed over to a nonreflection state. Thereby, reception data on sound waves in a reflection part (2) and a reflection part (3), which are to be reflected by the loudspeaker 1, i.e., multiple- reflected sound waves, is not obtained. Consequently, only the reception timing of the reflected wave (1) can be made clear.

5. 发明专利

JPH10169830A FLUID INTERRUPTION DEVICE IN FLUID GENERATION DEVICE 失效
公开(公告)号：JPH10169830A
公开(公告)日：1998-06-26
申请号：JP33098796
申请日：1996-12-11
申请人： TOKYO GAS CO LTD , TOKYO GAS CHEM KK , YAMATO SANGYO CO LTD
发明人： SATAKE YUKINOBU , NAGANUMA TETSUO , KAMIYA KOJI , KATO KANAME , ONODERA MASAHIRO
IPC分类号： F16K31/145 , F16K31/126
摘要： PROBLEM TO BE SOLVED: To provide a gas interruption device which can attain positive interruption of a gas supply passage and elimination of troublesome management with a simple structure by utilizing pressure of gas flowing to the target position through a gas supply passage as operation pressure for interruption, without external operation nor electric driving method. SOLUTION: An opening/closing valve 31 is arranged on the way of a communication passage 33c located between an inlet side and an outlet side of gas in a gas supply control device, and has a valve body which rises/falls inside the communication passage 33c for opening and closing the communication passage. A gas taking-in part 32D communicates with a gas outlet side of the gas supply control device. A pressure holding valve 32 is operated for interrupting the communication passage 33C, when the pressure of the gas taking-in part 32D reaches a specified value or more, by applying the pressure to a valve body 34 of the opening/closing valve 31. The pressure holding valve 32 is provided with a structure 40A for applying the case of more than stationary pressure flowing through the gas supply control device to the valve body 34 of the opening/closing valve 31 directly.

6. 发明专利

JPH1092491A AIRTIGHT CONNECTOR 失效
公开(公告)号：JPH1092491A
公开(公告)日：1998-04-10
申请号：JP24306996
申请日：1996-09-13
申请人： TOKYO GAS CO LTD , DAIKO SEIMITSU KK
发明人： SATAKE YUKINOBU , NAGANUMA TETSUO , MORI AKIHITO , KOMINE TAKASHI
IPC分类号： B23B45/02 , B25F5/00 , H01R9/16 , H01R13/533
摘要： PROBLEM TO BE SOLVED: To prevent explosive atmosphere such as gas from being sucked to the inside, by pressure-contacting an elastic body with bar-like terminals and a terminal housing box, and airtightly sealing the contact surfaces of the terminal housing box and the elastic body and the contact surfaces of the elastic body and the bar-like terminals. SOLUTION: An approximately cylindrical elastic body 4 is having the outside diameter larger than that of a hole 11a is inserted into the approximately cylindrical hole 11a formed on a main body box 11. A key-shaped irregular part 11b is formed on the inner peripheral surface of the hole 11a, and an irregular part is formed on the outer peripheral surface of the elastic body 4 so as to be fitted to the irregular part 11b. Cylindrical holes 41 each of which has the diameter a little smaller than the outside diameter of each bar-like terminal 3 is formed in the axial direction of the elastic body 4, and the bar-like terminals 3 are inserted into the holes 41. Stepped parts to be fitted to stepped parts 3a of the terminals 3 are formed on the inner peripheral surfaces of the holes 41. The elastic body 4 is pressure-contacted with a terminal housing box 1 and the terminals 3 and has reliable sealing performance. Such a connector is connected to an explosion-poof electric device and reliably prevents pressurized gas from flowing out.

7. 发明专利

JPH08281347A JIG FOR FORMING OPENING OF DOUBLE PIPE BRANCH 失效
公开(公告)号：JPH08281347A
公开(公告)日：1996-10-29
申请号：JP8568695
申请日：1995-04-11
申请人： TOKYO GAS CO LTD
发明人： IIMURA SHOICHI , NAGANUMA TETSUO , FURUKAWA HIDEKI , MASUKO TOKUSHIGE
IPC分类号： B21D28/28
摘要： PURPOSE: To prevent an opening of a pipe from being dropped into a pipe and it enters between the pipe and a lining material, when forming the opening of a pipe branch. CONSTITUTION: Inside a cylinder 11 equipped with a sharp tip part 12 for punching an intrusion groove into a groove 4 formed along with the periphery of an opening part, a sliding plate 13 is provided, which is hung by a spring 15 from th upper surface of the cylinder 11 and is vertically, freely slidably supported in the cylinder 11. A magnet 14 is mounted on a rear surface of this sliding plate 13. When the surface of the opening part of the pipe is attracted and held by the magnet 14, the groove is punched to form an opening.

8. 发明专利

JPH07318381A FLUIDIC FLOWMETER 失效
公开(公告)号：JPH07318381A
公开(公告)日：1995-12-08
申请号：JP13629594
申请日：1994-05-26
申请人： TOKYO GAS CO LTD
发明人： SAKAI KATSUTO , HARADA KAZUYUKI , KATO HIDEO , NAGANUMA TETSUO , NAGANO YUICHI
IPC分类号： G01F1/20
摘要： PURPOSE:To avoid the effect of pressure fluctation on a fluidic meter. CONSTITUTION:Side walls 23 and 24 are provided on the downstream side of a nozzle 21. A first target 25 and a second target 26 are provided between the side walls 23 and 24. At the outside of the side walls 23 and 24, a return guide 29 forming feedback flow paths 27 and 28, which feed back the gas passed through the nozzle 21 to the side of the exhaust port of the nozzle 21 along the outsides of the side walls 23 and 24, is provided. The return guide 29 is continuously extending from the downstream side of the second target 26 to the side of the exhaust port of then nozzle 21 so as to surround the side walls 23 and 24. In the return guide 29, a discharge port 30, which discharges a part of the gas passing the nozzle 21 and flowing along the side walls 23 and 24 to the outside of the return guide 29, is provided at the position at the second target 26 in the opposite side of the nozzle.

9. 发明专利

JP2009243838A Gas flow monitoring device 有权
标题翻译：气体流量监测装置
公开(公告)号：JP2009243838A
公开(公告)日：2009-10-22
申请号：JP2008093719
申请日：2008-03-31
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 , 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： F23K5/00 , G01F3/22
摘要： PROBLEM TO BE SOLVED: To provide a gas flow monitoring device, suitably using safe continuous working time in gas using facilities having a room with very high air tightness such as a basement, having a ventilator and favorably performing management in the operating status of the ventilator.
SOLUTION: In constructing the gas flow monitoring device based on the safe continuous working time, a standard safe continuous working time series, a reduced safe continuous working time series, and an extended safe continuous working time series are stored in a storage part, and one of the standard safe continuous working time series, the reduced safe continuous working time series, and the extended safe continuous working time series is selectively used as the safe continuous working time series used for monitoring in a monitoring part. The reduced safe continuous working time series is selected and used for the gas using facilities having a room with high sealing performance.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种气体流量监测装置，适当地使用具有具有非常高气密性的房间的气体使用设施中的安全连续工作时间，诸如地下室，具有通风机并且有利地在操作状态下执行管理的呼吸机。
解决方案：在安全连续工作时间的基础上构建气体流量监测装置，将标准安全连续工作时间序列，减少安全连续工作时间序列和延长安全连续工作时间序列存储在存储部分，安全连续工作时间序列之一，安全连续工作时间序列缩短，安全连续工作时间延长等作为监控部分的安全连续工作时间序列。减少安全连续工作时间序列被选择并用于具有高密封性能的房间的气体使用设施。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JPH10185751A AIR TIGHTNESS INSPECTION PROCESS 失效
公开(公告)号：JPH10185751A
公开(公告)日：1998-07-14
申请号：JP34380896
申请日：1996-12-24
申请人： TOKYO GAS CO LTD
发明人： SATAKE YUKINOBU , NAGANUMA TETSUO , WAKUI KOICHI
IPC分类号： G01M3/28
摘要： PROBLEM TO BE SOLVED: To provide an air tightness inspection process wherein replacement work after test and work hour/work labor for ignition test are reduced by using a common gas for gas air tightness. SOLUTION: A shutdown device 11 of a route of a leading-in pipe 10a is shut down, and any one of gas plugs 15b of a branch line is used as a common gas flow-in opening while the other, any, one of the gas plugs 15b is used as a pressure detecting opening which detects the pressure in the line, further, other gas plugs 15b are closed, and then from the flow-in opening, the common gas flowing out of a bomb in which a high pressure gas is sealed up is decompressed to a required pressure through a decompressing mechanism for the inside of the line to be packed at a required pressure, then a pressure drop in the line is detected from the pressure detecting opening, for detection of presence of air tightness in the line.

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