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91. 发明专利

JPH08317860A ELECTRIC WATER BOILER 失效
公开(公告)号：JPH08317860A
公开(公告)日：1996-12-03
申请号：JP13010295
申请日：1995-05-29
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： KOMADA MASAMICHI , TABUCHI SADATOSHI , YOSHIDA YUICHI , ASADA KAZUHIKO , FUKUDA TAKAYUMI , SHIMADA KAZUYUKI
IPC分类号： A47J27/21
摘要： PURPOSE: To deliver hot water even when a power plug is disconnected and no commercial AC power is fed by discharging a liquid with a discharging means operated by a capacitor element when a commercial AC power input means is removed, and charging the capacitor means when the commercial AC power input means is connected. CONSTITUTION: When a power plug 7 is removed and the feed of the commercial AC power is stopped, a power recovery/stoppage detecting means 15 detects it and controls a power selecting means 18, and the power of a hot-water discharging motor 6 and a hot-water discharging motor control means 14 is fed from the output of a capacitor element 16. The hot water in a container 2 is discharged by the hot-water discharging motor 6 with the power obtained from the capacitor element 16. When the commercial AC power is connected, it is converted into the prescribed DC power via a rectifying means 11 and a voltage transforming means 12, power is fed to a charging means 17, then the capacitor element 16 is charged via the charging means 17. Hot water can be discharged even when the power plug 7 is removed.

92. 发明专利

JPH08243027A ELECTRIC WATER BOILER 失效
公开(公告)号：JPH08243027A
公开(公告)日：1996-09-24
申请号：JP4842395
申请日：1995-03-08
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HAMADA KUNIO , FUKUDA TAKAYUMI
IPC分类号： A47J27/00 , A47J27/21
摘要： PURPOSE: To provide an electric water boiler, which can retain the heat of water regardless of air pressure in the heat retaining thereof, and can retain the heat of water more quickly at almost boiling temperature. CONSTITUTION: This electric water boiler comprises a heating means 4 for heating for a prescribed time after boiling is detected, a heating and energizing means 8 so as to stop energizing a heat retaining means 5, a stopping means 16 for controlling the heat retaining and energizing means 9, a temperature determining means 17 for inputting a detected temperature from a detecting means 7 for detecting the temperature after the prescribed time, and controlling means 11 for controlling the heat retaining and energizing means 9 so as to retain the heat of water at a temperature which is lower than the temperature of the temperature determining means 17 by a prescribed temperature.

93. 发明专利

JPH08215052A ELECTRIC HOT-WATER HEATER 失效
公开(公告)号：JPH08215052A
公开(公告)日：1996-08-27
申请号：JP2040395
申请日：1995-02-08
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： FUKUDA TAKAYUMI , HAMADA KUNIO
IPC分类号： A47J27/21
摘要： PURPOSE: To insulate heat at the temperature much closer to the boiling temperature by insulating heat regardlessly of air pressure at the heat insulating time of the electric hot-water heater. CONSTITUTION: After water is boiled by electrifying a heating heater 4 and a heat insulating heater 5 corresponding to temperature information from a temperature sensor 6 fitted at the lower part of a vessel 2, only the heat insulating heater 5 is further electrified for prescribed time. The temperature after the lapse of prescribed time is decided stable and heat is insulated at the temperature lower than the temperature data of the temperature sensor 6 just for the prescribed temperature. In this case, the electric hot-water heater is also provided with a means for deciding the stability of temperature corresponding to the time of increase to the prescribed temperature at the time of continuous heating after the detection of boiling, means for deciding the stability of temperature by comparing the time required for the increase to the prescribed temperature with the passage of time, and means for performing continuous heating by electrifying the heating heater 4.

94. 发明专利

JPH08191755A ELECTRIC WATER BOILER 失效
公开(公告)号：JPH08191755A
公开(公告)日：1996-07-30
申请号：JP488995
申请日：1995-01-17
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HAMADA KUNIO , FUKUDA TAKAYUMI
IPC分类号： A47J27/21
摘要： PURPOSE: To reserve the heat regardless of the atmospheric pressure at the heat reservation of an electric water boiler and more quickly reserve the water at a temperature closer to the boiling temperature. CONSTITUTION: After a current is carried to a heating heater 4 or a heat reserving heater 5 to boil the water according to the temperature information from a temperature sensor 6 mounted on the lower part of a vessel 2, the current- carrying to the heating heater 4 or the heat reserving heater 5 is stopped for a fixed time, and the current is then carried only to the heat reserving heater 5 for a prescribed time. The water is reserved at a temperature lower by a prescribed temperature than the temperature data of the temperature sensor 6 after the prescribed time.

95. 发明专利

JPH08112201A ELECTRIC WATER HEATER 失效
公开(公告)号：JPH08112201A
公开(公告)日：1996-05-07
申请号：JP25111294
申请日：1994-10-18
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： FUKUDA TAKAYUMI , HAMADA KUNIO
IPC分类号： A47J27/00 , A47J27/21
摘要： PURPOSE: To improve the operability of an electric water heater by automatically starting to heat upon the detection of the supply of water after detecting low-water. CONSTITUTION: A device comprises temperature detecting means 3 for detecting the temperature of a liquid in a container 1, heating means 2 for heating the liquid in the container 1, energizing means 4 for supplying electricity to the heating means 2, drive means 5 for driving the energizing means 4, and measuring means 7 for measuring the time required for a predetermined temperature increase. The device further comprises stopping means 6 continuously stopping the driving of the energizing means 4 if the time measured by the measuring means 7 is less than a predetermined value, and control means 8 for discontinuing the stopping of the energizing means 4 by the stopping means 6 upon detection of a temperature decrease to a predetermined temperature within a first predetermined time following the start of the stopping by the stopping means 6.

96. 发明专利

JPS6460984A CONTROLLER FOR ELECTRIC APPLIANCE 失效
公开(公告)号：JPS6460984A
公开(公告)日：1989-03-08
申请号：JP21681687
申请日：1987-08-31
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： FUKUDA TAKAYUMI , KINO KOTARO , OGASAWARA SATOSHI
IPC分类号： H05B3/00 , F24D13/02 , H03K17/94
摘要： PURPOSE:To make it possible to use a switch for a small current and to realize a compact and lightweight size and a low cost of a controller by connecting a power switch to the output side of a DC power supply instead of connecting to an AC power supply in series. CONSTITUTION:A power supply switch A is connected at just the rear side of the output of a DC power supply 2, a power supply switch B is connected at just the rear side of the output of a detecting circuit 5, and the both switches are turned on and off linking each other. And when the power supply switch A is opened, an AC power supply 3 is converted to a DC power by the DC power supply 2, and fed to a driving circuit 4 and the detecting circuit 5. The detecting circuit 5 detects the temperature of a heater 6, outputs a signal of the data to the driving circuit 4, and gives the signal to a transistor 7 for driving a realy to control the ON/OFF of a relay contact 8a. And when the power supply switch A is closed, a voltage is not fed to the driving circuit 4 and the detecting circuit 5 because the AC power supply and the DC power supply are short-circuited to the GND, the relay contact 8a is left as being opened, and the heater 6 is left as being OFF.

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