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1. 发明专利

JP2003219966A ELECTRIC WATER HEATER 审中-公开
公开(公告)号：JP2003219966A
公开(公告)日：2003-08-05
申请号：JP2002340601
申请日：2002-11-25
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： URATA TAKAYUKI , OYABU HAJIME , NAWAMA JUNICHI , SHIMIZU SATOSHI , KUNIHIRO YUKITOSHI , UJINO YOSHIYUKI , MATSUDA NOBORU , YOKONO MASAHIRO , OBATA TETSUO , MORIMOTO YASUSHI
IPC分类号： A47J27/21 , B01D19/00 , C02F1/20 , C02F1/28
摘要： PROBLEM TO BE SOLVED: To provide an electric water heater having a water-cleaning function in such a manner that the odor of external air is not mixed in, steam is not generated, and water can be cleaned. SOLUTION: A mixer is arranged in the way of a circulating path to circulate water in a container 2 using a change-over valve, thereby bringing internal air within the container 2 into contact with the water. A volatile component in the water is thereby transferred to the air. Accordingly, the water heater capable of cleaning water with slight generation of steam without mixing an odor or the like of external air can be provided. COPYRIGHT: (C)2003,JPO

2. 发明专利

JP2002319479A INDUCTION HEATING COOKER 失效
公开(公告)号：JP2002319479A
公开(公告)日：2002-10-31
申请号：JP2001121153
申请日：2001-04-19
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： IZUMITANI TAMOTSU , KUNIHIRO YUKITOSHI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To provide a magnetic shield of a heating coil for induction heating, which is cheap and has small thermal or over-aging. SOLUTION: In a heating coil holding part 11, an approximately flat belt-like shield 19 is formed in one body in a perpendicular direction keeping a fixed distance from the perimeter edge of the heating coil 15, and the magnetic field generated from the disk-like heating coil 15 is reduced. Further, the rigidity of the heating coil holding part 11 itself is increased and heats build-up of the heating coil 15 and distortion by using over the long period of time, are prevented.

3. 发明专利

JPH11128078A ELECTRIC WATER BOILER 失效
公开(公告)号：JPH11128078A
公开(公告)日：1999-05-18
申请号：JP30012697
申请日：1997-10-31
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： ONISHI SHIGEZO , KUNIHIRO YUKITOSHI , KOBAYASHI HIDEAKI
IPC分类号： A47J41/00 , A47J27/21
摘要： PROBLEM TO BE SOLVED: To improve heat insulating performance with simple configuration by forming a gap in the outer periphery of a container so as to arrange lustrous plates for reflecting a radiation from the container in order to execute covering inside a main body for containing the container, etc. SOLUTION: The container 1 containing water is contained in a body 3, a flat heater 2 being a heating device is disposed in the bottom part of the container 1 and a cylindrical or belt-shaped heat insulating member 20 is arranged on the side surface of the container 1. In this case, the heat insulating member 20 is covered by the thin lustrous plates 21 and 22 which are provided with waterproof property on an external surface and an inner surface and are formed by aluminum. The insulating member 20 is adhered to the lustrous plates 21 and 22 by an adhesive resin and the plate 22 is separated from the container 1 in a 3-6 mm concentric state, for example, so as to be arranged in order to increase a reflection effect. Then, electric connection to the heater 2 is the one for compensating a dissipation from the container 1, radiation heat as one form in a heat dissipation is reflected by the lustrous plates 21 and 22 so as to return it into the container 1 and the quantity of power consumption by the heater 2 is saved.

4. 发明专利

JPH1113679A CENTRIFUGAL PUMP 失效
公开(公告)号：JPH1113679A
公开(公告)日：1999-01-19
申请号：JP16396797
申请日：1997-06-20
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： TAKECHI KAZUNORI , KUNIHIRO YUKITOSHI
IPC分类号： F04D13/02 , A47J27/21 , F04D29/42
摘要： PROBLEM TO BE SOLVED: To improve sealing performance, reduce the number of components, and prevent leakage of water even if a diaphragm is abraded by arranging a wall thickness part on a part opposed to an impeller of the diaphragm, and forming the thickness thicker than that of a length between a bottom surface of the impeller and a tip end of a projection part. SOLUTION: An impeller 15 is magnetically connected to a driving magnet, and absorption is carried out. As a result, a projection part 21 is rotated at all times in a condition which is brought into pressure contact with a diaphragm 20. Since the raw material of the projection part 21 is made of a raw material softer than that of the diaphragm 20, a wall thickness part 20a is gradually cutout at the projection part 21 by rotating a pump for a long time. Since the thickness (a) of the wall thickness part 20a is formed thicker than that of a length (b) between a bottom surface of the impeller 15 and the tip end of the projection part 21, even if abrasion of the projection part 21 and the diaphragm 20 is advanced, the bottom surface of the impeller 15 is brought into contact with the diaphragm 20, advancement of abrasion is stopped. And it is thus possible to prevent leakage of water caused when a hole is opened on the diaphragm 20.

5. 发明专利

JPH10179393A ELECTRIC WATER BOILER 失效
公开(公告)号：JPH10179393A
公开(公告)日：1998-07-07
申请号：JP34729796
申请日：1996-12-26
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： MATSUDA NOBORU , KUNIHIRO YUKITOSHI
IPC分类号： A47J27/00 , A47J27/21
摘要： PROBLEM TO BE SOLVED: To prevent liquid from scattering on transportation of the main body of an electric water boiler and from leakage on circulation. SOLUTION: This pot comprises two control valves 33 of a control valve 33a for circulation opening 32 and a control valve 33b for a discharging opening 31 to open and close the openings, respectively and two control valves 33 are constructed inside of a casing 30 and are interlocked to each other so that one of the control valves may be opened when another valve may be closed. Thereby, the inside of the casing 30 and the outside of the main body 21 are separated, the liquid 22 in the casing 30 is prevented from flowing out of the discharging opening 31 to the outside of the main body 21.

6. 发明专利

JPH10117934A ELECTRIC WATER HEATER 失效
公开(公告)号：JPH10117934A
公开(公告)日：1998-05-12
申请号：JP27576496
申请日：1996-10-18
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： SHIMIZU SATOSHI , OYABU HAJIME , URATA TAKAYUKI , NAWAMA JIYUNICHI , KUNIHIRO YUKITOSHI , UJINO YOSHIYUKI , YOKONO MASAHIRO , MORIMOTO YASUSHI , MATSUDA NOBORU
IPC分类号： A47J27/21
摘要： PROBLEM TO BE SOLVED: To provide an electric water heater equipped with a simple water purifier by installing an aspirator to suck the air in a vessel on a hot water discharge path through which the liquid in the vessel flows out to a hot water discharge port. SOLUTION: When hot water stored in a vessel 2 is to be discharged, a motor-driven pump 10 is operated to suck the hot water in, which is passed through the pump 10, a water lift pipe 11, passage 14 in aspirator 13, and hot water discharge pipe 12 and is discharged from the hot water discharge port 9. When the hot water passes the passage 14 in the aspirator 13, a negative pressure is generated in the connection part of the passage 14 with the suction path 15, wherefrom the air in the vessel 2 is sucked in. The sucked air does not contain trihalomethane or musty odor substantially, and is included in the hot water in the from of fine bubbles, so that gasification of the volatile components such as trihalomethane or musty odor will propagate even if the components have got the gas-liquid equilibrium state, and the hot water can be purified with a lowering of the concentration of the volatile components dissolved in the hot water.

7. 发明专利

JPH1075891A ELECTRIC WATER HEATER 失效
公开(公告)号：JPH1075891A
公开(公告)日：1998-03-24
申请号：JP23632496
申请日：1996-09-06
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： TAKADA KIYOYOSHI , OKABE YOSHIYUKI , KUNIHIRO YUKITOSHI
IPC分类号： A47J27/21
摘要： PROBLEM TO BE SOLVED: To prevent water from flowing out from a steam hole to the outside even when the device body has fallen to the steam hole side, by providing the opening of a decoration frame at the opposite side against the steam hole from the water level in the container, which reaches when the container has fallen to the steam hole side. SOLUTION: One end of a water passage 7 conducting the water 4 in a container 5 to the outside of the device 1 is connected to a discharge opening 8 discharging the water 4 to the outside of the device 1, and a check valve 9 sliding when the device is tilted or tumbled, is installed on the way of the water passage 7. A cover body 10 covering the upper opening of the container 5 is constituted of an outer cover 12 provided with a steam hole 11, a cover 14 containing a cut off valve 13 sliding when the device 1 has fallen or tumbled, and a decoration frame 16 charged with a container packing 15. An opening 17 emitting the steam in the container 5 generated on boiling water and decreasing the pressure in the container 5 through the steam hole 11 to the outside of the device 1 is formed at the opposite side against the steam hole from the water level of the water 4 in the container, which reaches when the device 1 has fallen to the steam hole 11 side.

8. 发明专利

JPH09308576A ELECTRIC BOILER 失效
公开(公告)号：JPH09308576A
公开(公告)日：1997-12-02
申请号：JP12673396
申请日：1996-05-22
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： URATA TAKAYUKI , OYABU HAJIME , NAWAMA JIYUNICHI , SHIMIZU SATOSHI , KUNIHIRO YUKITOSHI , UJINO YOSHIYUKI , MATSUDA NOBORU , YOKONO MASAHIRO , OBATA TETSUO , MORIMOTO YASUSHI
IPC分类号： A47J27/21 , C02F1/20 , C02F1/28 , C02F1/74
摘要： PROBLEM TO BE SOLVED: To devise so that water in an electric boiler with water purifying functions can be boiled up without leading any external air smell and the like thereinto and in generating almost no steam. SOLUTION: This is composed of a feeder 12 arranged in the mid-course of circulation route and a selector valve 17 to circulate water in a vessel 2 to get water contact with the internal air in the vessel 2. This transfers the volatile ingredients in water into air. This can, therefore, produce an electric boiler capable of purifying water without leading any external air smell and in generating a very few of steams only.

9. 发明专利

JPH09299237A HOT WATER SUPPLIER 失效
公开(公告)号：JPH09299237A
公开(公告)日：1997-11-25
申请号：JP12127096
申请日：1996-05-16
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： URATA TAKAYUKI , MOCHIZUKI YUSUKE , OYABU HAJIME , NAWAMA JIYUNICHI , SHIMIZU SATOSHI , KUNIHIRO YUKITOSHI , UJINO YOSHIYUKI , YOKONO MASAHIRO , MORIMOTO YASUSHI , MATSUDA NOBORU
IPC分类号： A47J27/21 , C02F1/20 , C02F1/28 , C02F1/74
摘要： PROBLEM TO BE SOLVED: To provide a hot water supplier capable of confirming whether or not it is in the operation of removing chlorine components from hot water in the hot water supplier by the circulation of hot water from appearance, suppressing hot steam generated from the hot water supplier as much as possible and efficiently supplying the delicious and healthy hot water in a short period of time. SOLUTION: This hot water supplier is provided with a route dedicated to pouring composed of a first water lifting pipe 10 for lifting the hot water by the drive of a motor-driven pump 7 and a pouring route 11 for leading the hot water to a pouring port, the route dedicated to the circulation for circulating the hot water in a hot water storage container 2 through a second water lifting pipe 17 and a circulation route 18 by the drive of the motor-driven pump 14 and an aeration process for removing the chlorine components in the hot water by mixing air into the hot water. Then, the state of the aeration process is made visible from the outside through an aeration process display part 22 provided on a main body.

10. 发明专利

JPH0923976A ELECTRIC KETTLE 失效
公开(公告)号：JPH0923976A
公开(公告)日：1997-01-28
申请号：JP17468895
申请日：1995-07-11
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： KUNIHIRO YUKITOSHI , MAEKAWA KAORU , TAKADA KIYOYOSHI
IPC分类号： A47J27/21
摘要： PROBLEM TO BE SOLVED: To suppress the resonance of vibration accompanying the extinction and explosion of bubbles and to lower water heating sound by forming plural projection parts on the bottom surface of a container for containing fluid. SOLUTION: A heat transmission plate 2 on which the plural projection parts 7 are formed is integrally formed on the center bottom surface of the container 1 for containing the fluid and a heating element 4 is disposed through insulation objects 3 above and below on the back surface of the heat transmission plate 2. Also, a seam plate 6 for clamping and fixing the heating plate 4 is provided on the bottom surface of the container 1 and the heat transmission plate 2 through a thermal diffusion plate 5 composed of an improved liquid conductive property so as to efficiently radiate the heat generation of the heating element 4 to the fluid inside the container 1. By providing the projection parts 7, the water heating sound is reduced without lowering heat generation capacity. Also, by providing rigidity to the heat transmission plate, suppressing energy by the vibration of the fluid and changing electric resistance, the heat generation of the heating element is uniformized on a plane and the heat generation of the heat transmission plate is uniformized.

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