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1. 发明专利

JP2004294375A Liquid level gage 审中-公开
公开(公告)号：JP2004294375A
公开(公告)日：2004-10-21
申请号：JP2003090171
申请日：2003-03-28
申请人： Tokyo Gas Co Ltd , 東京瓦斯株式会社
发明人： SAKOU NAOHIRO , ARAKI SHOICHI
IPC分类号： G01F23/22 , G01F23/24 , G01F23/28 , G01K11/12
摘要： PROBLEM TO BE SOLVED: To provide a liquid level gage capable of measuring a liquid level of a liquid in a tank without a movable portion. SOLUTION: This level gage is provided with an optical fiber provided in a position where the liquid level in the tank is desired to be measured, a light emitting means for emitting a laser beam from one end part of the optical fiber to the optical fiber, a photoreception means for receiving backscattered radiation of the laser beam emitted from the light emitting means to the end part, in the end part, and a control means for finding the liquid level in the tank, based on intensity of the scattered light received by the photoreception means. COPYRIGHT: (C)2005,JPO&NCIPI

2. 发明专利

JP2003287557A Motor insulation-monitoring system 审中-公开
标题翻译：电机绝缘监测系统
公开(公告)号：JP2003287557A
公开(公告)日：2003-10-10
申请号：JP2002088621
申请日：2002-03-27
申请人： Tokyo Gas Co Ltd , 東京瓦斯株式会社
发明人： SAKOU NAOHIRO , YAMASHITA AKIRA
IPC分类号： G01R31/02 , G01R31/12 , G01R31/34 , H02H7/08
摘要： PROBLEM TO BE SOLVED: To provide a motor insulation-monitoring system for detecting occurrence of interlayer short-circuiting or the like in the winding of a motor before reaching the large-scale burning of the winding. SOLUTION: Failure in the motor is determined based on a change in the specific frequency component of a zero-phase current flowing to the motor. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种电机绝缘监视系统，用于在达到绕组的大规模燃烧之前检测电动机绕组中的层间短路等的发生。解决方案：电机故障是根据流向电机的零相电流的特定频率分量的变化来确定的。版权所有（C）2004，JPO

3. 发明专利

JP2002077875A DEVICE FOR OBSERVING INSIDE OF LOW-TEMPERATURE BATH 失效
公开(公告)号：JP2002077875A
公开(公告)日：2002-03-15
申请号：JP2000263888
申请日：2000-08-31
申请人： TOKYO GAS CO LTD , ISHIKAWAJIMA HARIMA HEAVY IND
发明人： YAMAMOTO KAZUNARI , ISHIYAMA HIROYUKI , SAKOU NAOHIRO , NAITO KIYOSHI , SAITO TOSHITAKA , TAKIMOTO HIDETOSHI , HAYAKAWA KAYOKO , KOBAYASHI KENGO
IPC分类号： F17C13/02 , H04N7/18
摘要： PROBLEM TO BE SOLVED: To achieve both the observation of the inside of a low-temperature bath by an erect image, and the miniaturization and weight reduction of a device. SOLUTION: In the observation device that is inserted into the bath via a nozzle section that is provided at the ceiling section of the low-temperature bath, an observation device body 1 is connected to one end of a cable 2 incorporating a conductor for transmitting an image signal and can be moved up and down freely, where the body 1 comprises a rotary drive device 3, a downward image pickup device 4 that is subjected to pan rotation around a vertical axis center by the rotary drive device 3, and a side-viewing mirror 5 that is fitted to the lower section of the image pickup device 4. And, a monitor 10 is connected to the other end of the cable 2 via an image inversion processing device 9 for erecting a mirror image that is applied to the image pickup device 4 and is reversed left and right by performing left/right inversion processing.

4. 发明专利

JP2001208300A METHOD FOR EQUIPMENT FOR HIGH PRESSURE STORAGE OF CITY GAS 失效
公开(公告)号：JP2001208300A
公开(公告)日：2001-08-03
申请号：JP2000014759
申请日：2000-01-24
申请人： TOKYO GAS CO LTD
发明人： KIMOTO KENTARO , NARUGE KIICHIRO , SAKOU NAOHIRO
IPC分类号： F17D1/04 , F17C7/00 , F17C9/04
摘要： PROBLEM TO BE SOLVED: To provide a storage method and equipment for city gas suited for rock bed storage, by storing the city gas in a state of high pressure gas to effectively utilize cold heat at pressure reduction time to a city gas conduit pipe so as to enable miniaturization and energy saving in the equipment for storing the city gas. SOLUTION: In this method and equipment for storing city gas as high pressure gas, in a time zone of low demand, gas collected by branching from a city gas conduit pipe is compressed to a storage pressure of higher level, cooled by an after-cooler, thereafter stored in a high pressure storage tank, and in a time zone of high demand, gas is expanded to a gas pressure of the city gas conduit pipe by an expansion valve or an expansion turbine from the high pressure storage tank, after cold heat in this case is collected by a refrigerant of a cold regenerative tank, the gas is delivered to the city gas conduit pipe. The refrigerant of the cold regenerative tank cools a compressor in the time zone of low demand, and after cooling storage gas by the after cooler, the gas is returned to the cold regenerative tank.

5. 发明专利

JPH09252536A POWER SYSTEM MONITOR CONTROL SYSTEM 失效
公开(公告)号：JPH09252536A
公开(公告)日：1997-09-22
申请号：JP5660796
申请日：1996-03-14
申请人： TOKYO GAS CO LTD
发明人： OKADA YASUHIRO , HATANO YOSHINORI , SAKOU NAOHIRO
IPC分类号： H02J13/00 , G05B9/02 , H02J3/00
摘要： PROBLEM TO BE SOLVED: To provide a power system monitor control system which can easily perform modificating of a selected load breaking system when changing the constitution state of a power system. SOLUTION: In a power system monitor control system which closes/opens the breaker 24 provided in a power system with the instruction from the computer 1a of a control center 1, the power supply is cut by selecting the specified load out of the loads affected by the software of the computer 1a when supplying power to the affected load thereby restarting it, by performing backup from a sound system to the load being influenced due to the stoppage of power supply when an accident occurs in the specified block of the power system and this accident block is cut off the power system.

6. 发明专利

JP2003289624A Power-monitoring/controlling system 审中-公开
标题翻译：动力监测/控制系统
公开(公告)号：JP2003289624A
公开(公告)日：2003-10-10
申请号：JP2002088628
申请日：2002-03-27
申请人： Tokyo Gas Co Ltd , 東京瓦斯株式会社
发明人： SAKOU NAOHIRO
IPC分类号： H02J3/00
摘要： PROBLEM TO BE SOLVED: To provide a power-monitoring/controlling system which avoids troubles in a system by predicting the state after controlling a breaker, etc., provided in the power system, and then informing an operator of it. SOLUTION: The electric changes that occur, when controlling, to components in the power system, is performed under instruction are analyzed and predicted. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种功率监视/控制系统，其通过在控制设置在电力系统中的断路器等之后预测状态来避免系统中的故障，然后通知操作者。
解决方案：分析和预测在控制下对电力系统中组件发生的电气变化，在指令下执行。版权所有（C）2004，JPO

7. 发明专利

JP2002106797A TANK DEVICE FOR STORING LOW-TEMPERATURE LIQUID 失效
公开(公告)号：JP2002106797A
公开(公告)日：2002-04-10
申请号：JP2000305707
申请日：2000-10-05
申请人： TOKYO GAS CO LTD
发明人： KAWAMURA YOSHINORI , YANO NOBUHIKO , SAKOU NAOHIRO , NARUGE KIICHIRO
IPC分类号： B65D88/06 , F17C13/10
摘要： PROBLEM TO BE SOLVED: To provide a tank device for storing a low-temperature liquid capable of suppressing a manufacturing cost of the tank device for storing the low- temperature liquid such as liquefied natural gas, and of realizing efficient operation. SOLUTION: In the tank device for storing the low-temperature liquid provided in a bottom and/or a side thereof with a warming heater, electricity and heat are generated by a microgas turbine, using a boil-off gas flowing out of the tank, a heating medium heated by the generated heat is supplied to the warming heater disposed on the bottom and/or the side of the tank, and a supply pump of the heating medium and an electric heat heater of an auxiliary heating source of the heating medium are operated by the electricity.

8. 发明专利

JP2002075015A LIGHTING DEVICE FOR OBSERVATION DEVICE IN LOW TEMPERATURE BATH 失效
公开(公告)号：JP2002075015A
公开(公告)日：2002-03-15
申请号：JP2000263889
申请日：2000-08-31
申请人： TOKYO GAS CO LTD , ISHIKAWAJIMA HARIMA HEAVY IND
发明人： TSUI NOBUHIKO , YAMAMOTO KAZUNARI , ISHIYAMA HIROYUKI , SAKOU NAOHIRO , NAITO KIYOSHI , SAITO TOSHITAKA , TAKIMOTO HIDETOSHI , HAYAKAWA KAYOKO , IIMURA KENJI , KOBAYASHI KENGO
IPC分类号： F21V19/00 , F21S2/00 , F21S4/00 , F21V21/16 , F21W131/411 , F21Y103/02
摘要： PROBLEM TO BE SOLVED: To constitute a lighting device that can be inserted into a low temperature bath alone by separating a photographing device and the lighting device into two bodies in consideration of handling and to be able to light the side and the lower part with simple structure of excluding a complicated mechanism, and moreover to achieve miniaturization in diameter and volume and weight saving. SOLUTION: This lighting device is equipped with a conical upper box 11, a linear frame 12 of small diameter that is arranged in a cylindrical axis direction along a cylindrical periphery and plural socket sustaining parts 13, 13' that are sustained by a linear frame 12 and arranged in the cylindrical axis direction with given space, where each socket 14 is sustained by the socket sustaining part 13 and a long cylindrical lamp 15 for the side is connected with the socket 14 and moreover a lamp 16 for the lower part is connected with the socket 14' sustained by the lowest end socket sustaining part 13'. The socket 14 of the lamp 15 for the side is sustained by the socket sustaining part 13 tiltably and wiring protected from overheat is carried out inside the linear frame 12.

9. 发明专利

JP2001181870A CORROSION PREVENTIVE SYSTEM 失效
公开(公告)号：JP2001181870A
公开(公告)日：2001-07-03
申请号：JP37048299
申请日：1999-12-27
申请人： TOKYO GAS CO LTD
发明人： KIMOTO KENTARO , NARUGE KIICHIRO , SAKOU NAOHIRO
IPC分类号： C23F13/00
摘要： PROBLEM TO BE SOLVED: To provide a corrosion preventive system which allows the execution of corrosion prevention meeting a need without the need for reforming work for extension of anodes. SOLUTION: This corrosion preventive system has a power source device which generates DC voltage and a controller which controls the voltage generated by this power source device and uses an external power source method for applying corrosion prevention to an object to be protected by connecting the minus side of the voltage generated by the power source device to the object to be protected and connecting the plus side of the voltage generated by the power source device to the anodes disposed in proximity to the object to be protected. The system is provided with a plurality of the anodes and is provided with a switching means capable of switching whether each of the plurality of anodes is connected to the plus side of the voltage generated by the power source device or not.

10. 发明专利

JP2001172784A CORROSION PREVENTING SYSTEM 失效
公开(公告)号：JP2001172784A
公开(公告)日：2001-06-26
申请号：JP35701799
申请日：1999-12-16
申请人： TOKYO GAS CO LTD
发明人： KIMOTO KENTARO , NARUGE KIICHIRO , OKINO HAJIME , SAKOU NAOHIRO
IPC分类号： E02D29/045 , B65D88/76 , B65G5/00 , C23F13/00 , E21D11/00 , E21D13/00
摘要： PROBLEM TO BE SOLVED: To provide a corrosion preventing system by which the increase of the cost is suppressed while obtaining sufficient corrosion preventing effect. SOLUTION: In the corrosion preventing system for storing facilities in a bedrock in which the object to be stored is stored in a cavity obtained by caving the inside of the bedrock, the inner wall of the cave is shaped by concrete reinforced by the arrangement of a bar, moreover, an airtight material is provided to compose the storing facilities in the bedrock so as to prevent the leakage of the object to be stored, furthermore, the outside of the storing facilities in the bedrock is provided with a power source device generating prescribed d.c. voltage, the plus side of the d.c. voltage generated by the power source device is connected to the arrangement of the bar, and the minus side is connected to the airtight material, by which the corrosion of the airtight material is prevented.

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