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81. 发明专利

JPH08178328A HOT WATER FEEDING DEVICE 失效
公开(公告)号：JPH08178328A
公开(公告)日：1996-07-12
申请号：JP32578294
申请日：1994-12-27
申请人： TOKYO GAS CO LTD
发明人： SUZUKI KIWAMU , NAKAYAMA KANAKO , MORITA SATORU
IPC分类号： F23N5/02 , F24D17/00 , F24H1/10
摘要： PURPOSE: To rapidly and surely seuse a troubled state in a flowing water-sensing device in a hot water-feeding device by a method wherein whether or not a water flowing is started within a water pipe is detected in reference to a reapid variation in a temperature of the flowing water and a value after the variation. CONSTITUTION: There are provided a water pipe 6 for feeding water from a tap water system into a hot water feeding device 1, heating it and feeding hot water; a heat exchanger 16 arranged at the midway part of the water pipe 6; a burner 17 for heating the heat exchanger 16 with gas combustion; and a gas supplying pipe 7 for supplying gas to the burner 17. Then, there is provided a surrounding air temperature sensor 4 for use in sensing a temperature of the surrounding air, and the water pipe 6 is provided with a flowing water temperature sensor 3 for monitoring a water temperature. The flowing water temperature sensed by the flowing water temperature sensor 3 is stored, and when the flowing water temperature stored in a memory means 24 is rapidly cnanged and a flowing water temperature after variation is continued for a specified period of time or when the flowing water temperature is less than the desired temperature after variation, if the flowing water sensing signal is not outputted within the specified period of time after and before it, it is judged that the flowing water sensing device 2 is troubled.

82. 发明专利

JPH08178274A METHOD FOR DETECTING ABNORMALITY OF FEED AND EXHAUST QUANTITY OF COMBUSTION FAN IN HOT WATER FEEDER 失效
公开(公告)号：JPH08178274A
公开(公告)日：1996-07-12
申请号：JP32714394
申请日：1994-12-28
申请人： TOKYO GAS CO LTD
发明人： SUZUKI KIWAMU , NAKAYAMA KANAKO , MORITA SATORU
IPC分类号： F23N3/08 , F23N5/18 , F23N5/24 , F23N5/26
摘要： PURPOSE: To quickly specify or meet the part of inconvenience by detecting that the feed and exhaust quantity of a combustion fan is abnormal when the difference between a current value fed to the fan motor of the combustion fan and a preset reference value exceeds a prescribed value. CONSTITUTION: A current value supplied to the fan motor of a combustion fan 15 in a steady state is measured before the shipment from a factory, the measurement result is A/D converted and the difference between a maximum value and a minimum value in the steady state is stored in a memory 24 as a reference value for detecting the abnormality of feed and exhaust quantity of the combustion fan 15. A portable terminal equipped with a display part in which a CPU is built is connected to the CPU 20 of a hot water feeder 1 and the reference value is read from the memory 24. An actual measurement result is subjected to signal processing and the difference between the reference value and the processed result is obtained by the CPU of the portable terminal equipment. When the difference exceeds a threshold value previously obtained based on an experiment or the like, it is judged that the feed and exhaust quantity to the combustion fan 15 is abnormal to display it.

83. 发明专利

JPH08178273A HOT WATER FEEDER 失效
公开(公告)号：JPH08178273A
公开(公告)日：1996-07-12
申请号：JP32652494
申请日：1994-12-28
申请人： TOKYO GAS CO LTD
发明人： SUZUKI KIWAMU , NAKAYAMA KANAKO , MORITA SATORU
IPC分类号： F23N3/08 , F23N5/18 , F23N5/24 , F23N5/26
摘要： PURPOSE: To detect the clogging of a feed and exhaust part or the deterioration of a combustion fan by providing a detecting means for detecting the clogging of the feed and exhaust part or the deterioration of the combustion fan when the difference between the variation and the reference value in the rotating speed of the combustion fan exceeds a prescribed value. CONSTITUTION: After prescribed time Δt passes, a CPU 20 computes the variation α1 of the rotating speed of a combustion fan 15 from the start of operation to the lapse of the prescribed time Δt and stores it in a memory 20a. On the other hand, the CPU 20 reads the variation α2 of the rotating speed of the combustion fan 15 from the start of operation during normal operation, which is previously stored at the time of shipment from a factory, to the lapse of the prescribed time Δt from a memory 24 and judges whether the difference between α1 and α2 exceeds a threshold value β1. When the difference between α1 and α2 exceeds β1, the CPU 20 judges that a feed and exhaust part is clogged or the combustion fan is deteriorated, stores the contents of the failure in the memory 24 as failure data and displays a warning on a remote controller 22.

84. 发明专利

JPH08121896A AIR CONDITIONER USING ABSORPTION TYPE REFRIGERATING MACHINE 失效
公开(公告)号：JPH08121896A
公开(公告)日：1996-05-17
申请号：JP25789194
申请日：1994-10-24
申请人： TOKYO GAS CO LTD
发明人： TANAKA TAKASHI , FURUKAWA HIDEKI , NAKAYAMA KANAKO
IPC分类号： F25B15/00 , F25B49/02 , F25B49/04
摘要： PURPOSE: To prevent the aging deterioration of the cooling fin of a condenser and the decrease in the cooling capacity of the condenser due to blocking by dirt by warning the clogging of the fin when the continuous rise of the temperature of a condenser outlet stored in second memory means is judged. CONSTITUTION: If an air conditioner is started, the number of revolutions of an air-cooled fan 17 for holding the outlet temperature of a condenser 16 constant is detected, and the rise of the outlet temperature of the condenser 16 despite the rotation of the fan at the maximum capacity is judged or if the difference between the outlet temperature of the condenser and the suitable outlet temperature of the condenser does not become a predetermined value or less, it is warned as it is regarded as that the cooling fin of the condenser 16 is age deteriorated or blocked, and urges the user to inspect or clean it. Accordingly, the phenomenon that the refrigerant is vaporized at the inlet of an evaporator 10 to be blown out due to the lack of cooling at the condenser 16, i.e., flashing occurs can be previously prevented, and the conditioner can be stably cooled.

85. 发明专利

JPH0875304A COOLING BOARD 失效
公开(公告)号：JPH0875304A
公开(公告)日：1996-03-19
申请号：JP23045894
申请日：1994-08-31
申请人： TOKYO GAS CO LTD
发明人： TANAKA TAKASHI , FURUKAWA HIDEKI , KANEKO ISAO , SUZUKI KIWAMU , FUJISAWA KAZUYA , MASUKO TOKUSHIGE , NAKAYAMA KANAKO , KOMAKI MICHINORI , MORITA SATORU
IPC分类号： F25B27/00 , A47J47/00
摘要： PURPOSE: To obtain a comfortable and economical cooling board by providing a kitchen table in which a heat pump and a pipeline for refrigerant sent from the heat pump are provided. CONSTITUTION: A pipeline 7 connected to a gas engine heat pump 1 runs round inside a kitchen table 13. Refrigerant is sent to the kitchen table 13 from the gas engine heat pump 1 through the pipeline 7 to cool the kitchen table 13. When a knob 15 is turned, a valve 21 is opened and closed to adjust the amount of refrigerant circulating in the kitchen table 13, so the temperature control of the kitchen table 13 is carried out. An operator adjusts the temperature of the kitchen table 13 and carries out cooking on the kitchen table 13. Thus, only the kitchen table 13 that needs cooling can be cooled comfortably, economically without cooling the operator, using a refrigerant cooled by the gas engine heat pump 1. Furthermore, an electric heat pump may be used instead of the gas engine heat pump.

86. 发明专利

JPH0875201A AUTOMATIC VENTILATION SYSTEM 失效
公开(公告)号：JPH0875201A
公开(公告)日：1996-03-19
申请号：JP23045494
申请日：1994-08-31
申请人： TOKYO GAS CO LTD
发明人： TANAKA TAKASHI , FURUKAWA HIDEKI , KANEKO ISAO , SUZUKI KIWAMU , FUJISAWA KAZUYA , MASUKO TOKUSHIGE , NAKAYAMA KANAKO , KOMAKI MICHINORI , MORITA SATORU
IPC分类号： F24F7/007
摘要： PURPOSE: To provide a system for ventilating indoor air safely and automatically to cope with the leakage of combustible gas, generation of poisonous gas and the like. CONSTITUTION: The concentration of town gas is measured by a town gas alarm device 3, installed in a room, while the concentration of carbon monoxide gas is measured by a CO sensor 5. The measuring data from the town gas alarm device 3 and the CO sensor 5 are sent into a controller 7, installed at the outside of a room or the like. The controller 7 controls the opening and closing and/or the degree of opening of a ventilating small window 11, installed above a general window 9, automatically in accordance with the concentration or the changing rate of concentration of gas.

87. 发明专利

JPH07310963A AIR CONDITIONER USING ABSORPTION TYPE REFRIGERATOR 失效
公开(公告)号：JPH07310963A
公开(公告)日：1995-11-28
申请号：JP10516994
申请日：1994-05-19
申请人： TOKYO GAS CO LTD
发明人： TANAKA TAKASHI , FURUKAWA HIDEKI , NAKAYAMA KANAKO
IPC分类号： F24F11/02 , F25B15/00
摘要： PURPOSE:To rapidly cool a room by conducting the concentrating operation of absorbing solution at a suitable timing. CONSTITUTION:A controller 30 has first calculating means 7 for calculating the changing speed of an indoor temperature from an indoor temperature measured by a sensor T1, second calculating means 8 for calculating a predetermined time T from the varying speed to a target set temperature, memory means 39 for storing a reference time T0, and control means 40 for comparing the time T with the time T0 to inhibit a concentrating operation even when the atmospheric temperature does not arrive at the concentration necessary temperature if the time T is shorter than the time T0. Accordingly, if the time until it reaches the set temperature is shorter even when the concentration becomes necessary during the lowering of the indoor temperature, a cooling operation is preferentially executed thereby to rapidly alter the indoor temperature to the set temperature.

88. 发明专利

JPH07193976A POWER INTERRUPTION SYSTEM 失效
公开(公告)号：JPH07193976A
公开(公告)日：1995-07-28
申请号：JP33768093
申请日：1993-12-28
申请人： TOKYO GAS CO LTD
发明人： TANAKA TAKASHI , FURUKAWA HIDEKI , KANEKO ISAO , FUJISAWA KAZUYA , MASUKO TOKUSHIGE , KOMAKI MICHINORI , NAKAYAMA KANAKO
IPC分类号： H02H3/093 , H02B1/40 , H02H3/00 , H02H3/033 , H02H3/06 , H02J3/00
摘要： PURPOSE:To ensure safety when an adapter interrupted by overcurrent is reset automatically. CONSTITUTION:An adapter 2 is connected between an appliance 6c which can be interrupted by an overcurrent and a receptacle. When the detected current exceeds a contract current limit, the breaker 1 interrupts the adapters sequentially and if the detected current exceeds the limit even after interruption of all adapters, the breaker interrupts. The breaker resets the adapter upon elapse of a predetermined time, and if the current level increases due to reset, the adapter is interrupted again. The appliances are interrupted only partially even if the current exceeds the limit and when the current exceeds it continuously, the breaker functions to interrupt power in safety. Since an appliance for which the switch is not turned OFF is not reset, the adapter can be reset easily in safety.

89. 发明专利

JPH07193975A POWER INTERRUPTION SYSTEM 失效
公开(公告)号：JPH07193975A
公开(公告)日：1995-07-28
申请号：JP33758293
申请日：1993-12-28
申请人： TOKYO GAS CO LTD
发明人： TANAKA TAKASHI , FURUKAWA HIDEKI , KANEKO ISAO , FUJISAWA KAZUYA , MASUKO TOKUSHIGE , KOMAKI MICHINORI , NAKAYAMA KANAKO
IPC分类号： H02H3/08 , H02H3/00 , H02H3/033 , H02H3/04 , H02J3/00
摘要： PURPOSE:To suppress interruption of a breaker due to instantaneous overcurrent, to allow a small current contract, and to lighten the load on an appliance due to turn ON/OFF of power. CONSTITUTION:An adapter 2 is connected between an appliance 6c which can be interrupted with an overcurrent and a receptacle. When the detected current is close to a contact current limit or exceeds within the allowance, the breaker 1 does not interrupt the adapter but delivers an alarm. When the detected current exceeds the limit frequently or exceeds the allowance, the adapter interrupted and if the contact current exceeds the limit even after interruption of all adapters, the breaker interrupts. Consequently, the user is notifies that the current level is close to the contract current limit and can lower the current level previously by stopping the use of alliances. The appliances are interrupted only partially even if the current exceeded the limit and when the current exceeds it continuously, the breaker functions to interrupt power in safety.

90. 发明专利

JPH07193972A POWER INTERRUPTION SYSTEM 失效
公开(公告)号：JPH07193972A
公开(公告)日：1995-07-28
申请号：JP33703193
申请日：1993-12-28
申请人： TOKYO GAS CO LTD
发明人： TANAKA TAKASHI , FURUKAWA HIDEKI , KANEKO ISAO , FUJISAWA KAZUYA , MASUKO TOKUSHIGE , KOMAKI MICHINORI , NAKAYAMA KANAKO
IPC分类号： H02H3/08 , H02H3/00 , H02H3/033 , H02H3/06 , H02J3/00
摘要： PURPOSE:To use power effectively by interrupting power to preselected electric appliances selectively according to a priority when the total current exceeds a contract current limit. CONSTITUTION:Interruption signals are delivered according to a preset order to the receiver 23 in an adapter 2 and a second circuit breaker 22 functions. The interruption signals are delivered sequentially until the current through the feeder circuit drops below a contract current limit. If the current of feeder circuit does not drop below the contract current limit even after the function of the second circuit breaker, the second circuit breaker 22 is reset. If the current of feeder circuit does not drop below the limit even after the least significant interruption signal is delivered, a first breaker functions. This system realizes efficient use of power without increasing the contract current limit while taking account of temporary increase of power of the electric appliance 6.

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