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1. 发明专利

JP2002119417A RICE COOKER 审中-公开
公开(公告)号：JP2002119417A
公开(公告)日：2002-04-23
申请号：JP2001266997
申请日：2001-09-04
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： KOYAMA MASAHIRO , IKEDA NORIO , ARAI TOSHIO , SHIMONO SEIJI , TANAKA ATSUSHI , HORIUCHI KIYOSHI , NAKAMURA TOSHIYUKI , KOMA ATSUSHI
IPC分类号： A47J27/00 , A47J36/02
摘要： PROBLEM TO BE SOLVED: To provide a rice cooker excellent in opening-closing operability of a cover body and capable of sufficiently heating an upper part of the cooker, and to prevent the thermal degradation of a cover induction heating coil for arranging a heating source on the upper part of the cooker. SOLUTION: An upper part of a rice cooker body for housing the iron pot 13 is covered with the cover body 16 so as to be freely openable-closable. This cover body 16 has the cover induction heating coil 22 arranging a heating plate 21 on the under surface and inductively heating the heating plate 21 on the inside. Clearance is arranged between the heating plate 21 and the cover induction heating coil 22.

2. 发明专利

JP2002119415A RICE COOKER 审中-公开
公开(公告)号：JP2002119415A
公开(公告)日：2002-04-23
申请号：JP2001266998
申请日：2001-09-04
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： KOYAMA MASAHIRO , IKEDA NORIO , ARAI TOSHIO , SHIMONO SEIJI , TANAKA ATSUSHI , HORIUCHI KIYOSHI , NAKAMURA TOSHIYUKI , KOMA ATSUSHI
IPC分类号： A47J27/00
摘要： PROBLEM TO BE SOLVED: To provide a rice cooker excellent in opening-closing operability of a cover body and capable of sufficiently heating an upper part of the cooker, and to prevent an adverse influence on other apparatus such as a television by reducing a magnetic field leaking from the cover body for arranging a heating source on the upper part of the cooker. SOLUTION: An upper part of a rice cooker body for housing the iron pot 13 is covered with the cover body 16 so as to be freely openable-closable. The cover body 16 has a cover induction heating coil 22 arranging a heating plate 21 on the under surface and inductively heating the heating plate 21 on the inside. A magnetism preventive material 34 is arranged above the cover induction heating coil 22.

3. 发明专利

JPH08308723A HEAT INSULATION CONTROL METHOD FOR ELECTRONIC JAR RICE COOKER 失效
公开(公告)号：JPH08308723A
公开(公告)日：1996-11-26
申请号：JP12223595
申请日：1995-05-22
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HORIUCHI KIYOSHI , YASHIMA MITSURU , KUBO MASAFUMI , ISHIKAWA HARUO
IPC分类号： A47J27/00
摘要： PURPOSE: To improve the taste of heat insulated cooked rice by changing the electric energy of a heater under the control of a heating control means at the time of heat insulation correspondingly to the quantity of cooked rice discriminated by a cooked rice quantity discriminating means, with which the quantity of rice to be cooked is discriminated during rice cooking. CONSTITUTION: When rice cooking is started, the time from the detection of 80 deg.C due to a temperature detecting means 7 to the detection of 90 deg.C due to a lid temperature sensor 10 is measured by a heating control means 8 and, corresponding to the length of this time, the quantity of rice to be cooked is discriminated. Corresponding to this discriminated quantity of rice to be cooked, the heating control means 8 controls a heater 6 for performing optimum heating, and rice cooking is finished. After the end of rice cooking, heat insulation is continuously performed. At such a time, the power of the heater 6 is changed by changing the electrification rate of the heater 6 correspondingly to the quantity of rice to be cooked discriminated during rice cooking.

4. 发明专利

JPH08154819A COOKER 失效
公开(公告)号：JPH08154819A
公开(公告)日：1996-06-18
申请号：JP30360894
申请日：1994-12-07
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： NAKAMURA TOSHIYUKI , ENDO HISAKAZU , SHIMONO SEIJI , KOYAMA MASAHIRO , TANAKA ATSUSHI , HORIUCHI KIYOSHI , IKEDA NORIO , KOMA ATSUSHI , ARAI TOSHIO
IPC分类号： A47J27/00
摘要： PURPOSE: To provide a cooker capable of preventing rice juice from overflowing from a cooker body, protecting the steaming hole of an outer lid against thermal deterioration such as thermal deformation and crack, maintaining the temperature of rice in an inner pot at a heat insulation process, and further preventing the rice from becoming dry. CONSTITUTION: The steaming hole 11 of a lid cover 6 for forming the internal surface of a lid body 3 is fitted with a steaming cylinder 12. Also, a cylindrical wall 13 is formed around the steaming hole 10 on the bottom of an outer lid 5 forming the upper surface of the lid body 3. The steaming cylinder 12 is provided with an exhaust port 14 on the upper side wall thereof, a vent 15 open to the lower internal side, and an overhang 16 to conceal the upper side of the port 14.

5. 发明专利

JPH08150076A RICE COOKER 失效
公开(公告)号：JPH08150076A
公开(公告)日：1996-06-11
申请号：JP29672594
申请日：1994-11-30
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： TANAKA ATSUSHI , SHIMONO SEIJI , KOYAMA MASAHIRO , HORIUCHI KIYOSHI , KOMA ATSUSHI , NAKAMURA TOSHIYUKI , IKEDA NORIO , ARAI TOSHIO , ENDO HISAKAZU
IPC分类号： A47J27/00
摘要： PURPOSE: To prevent abnormality in which electronic parts for driving a heating means abnormally generate heat, the resin component of a rice cooker main body melts and rice inside a pot is burnt black by surely detecting an abnormal state. CONSTITUTION: A rice cooking amount is judged by the time after a first temperature detection means 4 for detecting the temperature of the pot 1 detects a prescribed temperature until a second temperature detection means for detecting the temperature of a lid part detects a second prescribed temperature. After the rice cooking amount is judged, the heating output of the heating means 3 is controlled corresponding to the judged rice cooking amount and rice cooking is performed by a prescribed rice cooking sequence. A control means 6 judges rice cooking abnormality when the first temperature detection means does not reach the prescribed temperature within the prescribed time after the rice cooking is started and stops energizing to the heating means 3 or continues the rice cooking corresponding to the rice cooking abnormality.

6. 发明专利

JPH08150069A JAR RICE COOKER 失效
公开(公告)号：JPH08150069A
公开(公告)日：1996-06-11
申请号：JP29657694
申请日：1994-11-30
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HORIUCHI KIYOSHI , SHIMONO SEIJI , KOYAMA MASAHIRO , TANAKA ATSUSHI , ARAI TOSHIO , KOMA ATSUSHI , NAKAMURA TOSHIYUKI , IKEDA NORIO
IPC分类号： A47J27/00 , G05D23/24
摘要： PURPOSE: To provide a jar rice cooker equipped with a room temperature sensor capable of measuring a room temperature more accurately. CONSTITUTION: This cooker is equipped with an inner pot 6 in which rice and water are put, a heating means 7 which heats the inner pot 6, a pan temperature sensor 8 which detects the temperature of the inner pot 6, and a control board 9 on which a microcomputer to control the heating means 7 setting the output of the pan temperature sensor 8 as input is loaded. An accurate room temperature hard to receive the influence of the heat of the heating means 7 can be detected by loading a temperature sensor 10 such as a thermistor, etc., and providing a temperature sensor board 11 connected to the control board 9 with a lead wire 13.

7. 发明专利

JPH05220043A ELECTRIC RICE COOKER 失效
公开(公告)号：JPH05220043A
公开(公告)日：1993-08-31
申请号：JP2767292
申请日：1992-02-14
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HORIUCHI KIYOSHI
IPC分类号： A47J27/00
摘要： PURPOSE:To increase the temperature-maintenance capacity and simplify the control system in an electric rice cooker preventing dewing on the radiating plate. CONSTITUTION:This electric rice cooker is provided with an inner bowl 10 containing rice and water, a rice cooking heater 1 for the inner bowl, a cover heater 5, a cover sensor 7, a side heater 8, a heating controller regulating the heating of the cover heater 5 and the side heater 8 by means of the cover sensor 7. After the rice cooking heater 1 begins to cook rice, when the cover sensor 7 detects a specified temperature, the cover heater 5 and the side heater 8 are controlled simultaneously.

8. 发明专利

JPH0438916A LID BODY FOR RICE COOKER 失效
公开(公告)号：JPH0438916A
公开(公告)日：1992-02-10
申请号：JP14477190
申请日：1990-06-01
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HORIUCHI KIYOSHI , IKEDA NORIO , KINOSHITA KENJI , SHIRAKAWA KOJI
IPC分类号： A47J27/00 , A47J36/06
摘要： PURPOSE:To improve the assembling efficiency of the title lid body without using capscrews for fixing an outer lid cover and without using a piece of packing at a connection part between a radiation plate and the outer lid cover and with low cost, by integrally forming the peripheral part of the radiation plate. CONSTITUTION:A lid body 14 which forms the upper part of a main body 16 and has a hinge part 12 on one end thereof and has a locking mechanism part 13 on the other end facing each other, is formed so as to be freely opened and closed around the main body 16. The outer shell of the lid body 14 is formed of an outer lid 15 and the lower part thereof is covered with an outer lid cover 17 formed of synthetic resin. At the central part of the cover 17, a radiation plate 18 in the shape of an aluminum-made disk, which is simultaneously integrally formed when the outer lid cover 17 is formed, is fixed. On the radiation plate 18, a cord-like lid heater 19 is fixed with an aluminum-made seal 20. Since the radiation plate is integrally formed on the outer lid cover, capscrews and a piece of packing are not needed, and the title lid body can simply be manufactured at low cost.

9. 发明专利

JPS62295619A ELECTRIC COOKER 失效
公开(公告)号：JPS62295619A
公开(公告)日：1987-12-23
申请号：JP13954486
申请日：1986-06-16
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HORIUCHI KIYOSHI , MISHIMA YOSHIO
IPC分类号： A47J27/00

10. 发明专利

JPH09192002A TEMPERATURE DETECTION DEVICE OF RICE COOKER 失效
公开(公告)号：JPH09192002A
公开(公告)日：1997-07-29
申请号：JP977196
申请日：1996-01-24
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HORIUCHI KIYOSHI
IPC分类号： A47J27/00
摘要： PROBLEM TO BE SOLVED: To obtain a temperature detector of a rice cooker to avoid the overheating of a heater in a simple structure, by arranging a heat conduction plate so that it does not contact the heater when the inner pan is put on the body but it contacts the heater when the pan is removed from the body. SOLUTION: When the inner pan 12 is put on the body, a thermalconduction plate 14 and a thermistor case 19 are pushed down by the inner pan 12 and hence the heat conduction plate 14 is disconnected from the heater 13 and rice is ordinarily cooked. When the inner pan 12 is removed from the body, the heat conduction plate 14 and the thermistor case 19 are pushed up by a spring 15 and the outer peripheral part (part (a)) of the heat conduction plate 14 gets into contact with the heater. In this state, even when the heater 13 is put on by mistake to cook rice, the rising temperature of the heater 13 is rapidly transferred to the thermistor 16 by the heat conduction plate 14 since the heater is contacting the plate 14, and the temperature rise is detected by a microcomputer to cut off the current of the heater to prevent such inconveniences that the heater rises to an abnormally high temperature and the body melts.

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