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41. 发明专利

JPH11118157A SURFACE WAVE GENERATOR FOR HIGH FREQUENCY HEATER 失效
公开(公告)号：JPH11118157A
公开(公告)日：1999-04-30
申请号：JP28002897
申请日：1997-10-14
申请人： HITACHI HOME TEC LTD
发明人： WATANABE ICHIRO , IWABUCHI YASUSHI , ARAI TATSUSHI , MITOMO AKIO
IPC分类号： H05B6/74 , A47J27/00 , F24C7/02
摘要： PROBLEM TO BE SOLVED: To heat sushi efficiently and quickly by using surface wave and prevent sparks between sushi's by providing a bonding member for elastically bonding a plate-shaped conductor member and upper and lower cases and partially cutting off the bonding member so as to communicate spaces defined by the cases with each other. SOLUTION: A small flange part provided on a circumference of a plate- shaped conductor member 14 is sandwiched between upper and lower bonding parts 12, 13. An adhesive 15 is provided on circumferences 15 of upper and lower cases 10, 11 in order to bond the upper and lower bonding parts 12, 13 to the plate-shaped conductor member 14 elastically. Part of the adhesive 15 between the bonding parts 12, 13 is cut off so as to form an air hole 16 for communicating inner and outer spaces of the upper and lower cases with each other. A surface wave generator having such a constitution is disposed on a rotary table 8 and when a frozen sushi 21 is put on it and magnetrons 2, 3 are activated, then surface wave is generated on a top face of the upper case so that the frozen sushi 21 is heated. In addition to the surface wave, high frequency radio waves radiated from connection ports 6, 7 also contribute to heating.

42. 发明专利

JPH118056A SURFACE WAVE GENERATING BODY FOR HIGH-FREQUENCY HEATING DEVICE 失效
公开(公告)号：JPH118056A
公开(公告)日：1999-01-12
申请号：JP15909097
申请日：1997-06-17
申请人： HITACHI HOME TEC LTD
发明人： WATANABE ICHIRO , YAJIMA HIROSHI , IWABUCHI YASUSHI , MITOMO AKIO , ARAI TATSUSHI
IPC分类号： H05B6/70 , H05B6/74
摘要： PROBLEM TO BE SOLVED: To attain a surface wave generating body which is capable of being taken in/out of a heating chamber easily. SOLUTION: This surface wave generating body is constituted of a ceramic upper case 10 which has a prescribed dielectric loss value and whose central side is swelled upward against its circumferential part, a ceramic lower case 11 which has a dielectric loss value different from the dielectric loss value of the upper case, and whose central side is swelled downward against its circumferential part, a plate-shaped conductive member 12 having a spread at a horizontal surface in the middle part of the respective upper and lower cases by clamping with the circumferential parts of the respective upper and lower cases, an adhesive 14 which is at the connection part of the respective upper and lower cases and binds elastically the respective upper and lower cases with the plate-shaped conductive member, and an air hole 15 which makes the inner and outer spaces of the respective upper and lower cases communicate with each other by a cutout part of the adhesive. It is thus possible to make the surface wave generating body very easily. By turning the surface wave generating body, it is possible to generate surface waves which have a different property from each other. It is possible to make a normal high-frequency heating device which has no surface wave generating body, into a device capable of surface wave heating.

43. 发明专利

JPH113772A SURFACE-WAVE GENERATING BODY FOR HIGH-FREQUENCY HEATING DEVICE 失效
公开(公告)号：JPH113772A
公开(公告)日：1999-01-06
申请号：JP15182097
申请日：1997-06-10
申请人： HITACHI HOME TEC LTD
发明人： WATANABE ICHIRO , KUBOTA TETSUO , IWABUCHI YASUSHI , ARAI TATSUSHI , MITOMO AKIO
IPC分类号： H05B6/64
摘要： PROBLEM TO BE SOLVED: To facilitate fixing work to an outer case by surrounding the entire surface of the top surface, bottom surface, and both side surfaces of a conducting member with bonded top and bottom cases made of dielectric ceramic, making the outside top surface of the top case and the outside bottom surface of the bottom case parallel, and fixing the conducting member to the bottom case side of the insides of the top and bottom cases. SOLUTION: A flat plate-shaped conducting member 10 is a circular member having a horizontal surface on a rotating table 8, and the entire surface up and down, right and left is surrounded with a dielectric ceramics outer case 11. The outer case 11 has a top case 12 and a bottom case 13, and a surface- wave generating body is constituted with the conducting member 10 epecially the dielectric ceramic top case 12. An adhesive 14 is epoxy-based has elasticity, and fixes the conducting member 10 to the inside bottom of the bottom case 13. An adhesive 15 bonds the top case 12 and the bottom case 13, an air hole 16 is formed in the bonded part to take air out and in according to the expansion and contraction of air within the outer case 11.

44. 发明专利

JPH10255970A HIGH FREQUENCY HEATING DEVICE 失效
公开(公告)号：JPH10255970A
公开(公告)日：1998-09-25
申请号：JP5568597
申请日：1997-03-11
申请人： HITACHI HOME TEC LTD
发明人： WATANABE ICHIRO , KUBOTA TETSUO , IWABUCHI YASUSHI , ARAI TATSUSHI , MITOMO AKIO
IPC分类号： H05B6/70 , A47J27/00 , F24C7/02 , H05B6/74
摘要： PROBLEM TO BE SOLVED: To securely perform heating utilizing surface waves. SOLUTION: An outer case 10 is formed of an upper case 11 and a lower case 12 jointed with each other by binding agent 17 to wholly enclose an upper surface, a lower surface, and side surfaces of a surface wave generation body main body, a tray-like circular recessed part 19 and a mushroom-shaped circular recessed part 21 of different sizes are respectively formed on an upper surface of the upper case 11 and a lower surface of the lower surface 12, so feel of stability is not provided when it is installed as it is turned over to a rotation base by mistake, thereby correct installation can be executed.

45. 发明专利

JPH10115426A FROZEN FOOD DEFREEZING DEVICE 失效
公开(公告)号：JPH10115426A
公开(公告)日：1998-05-06
申请号：JP26831796
申请日：1996-10-09
申请人： HITACHI HOME TEC LTD
发明人： ODA MAKOTO , NOGUCHI YASUTAKA , WATANABE ICHIRO , ARAI TATSUSHI , YAJIMA HIROSHI , KUBOTA TETSUO , IWABUCHI YASUSHI , MITOMO AKIO
IPC分类号： F24C7/02
摘要： PROBLEM TO BE SOLVED: To embody a defreezing device capable of performing a full-fledged defreezing wherein temperature variation in the internal part of frozen foodstuffs, especially sashimi and nigiri sushi food materials is small and the generation of free water is prevented. SOLUTION: There are provided a closable defreezing compartment 2 which houses and defreezes a frozen food 3, a high frequency heating means 4 which heats the frozen food 3 with a high frequency, a pressure reduction means 5 which reduces the air pressure in the defreezing compartment, a pressure reduction means 6 which measures the air pressure in the defreezing compartment and a control means 7 which controls the power supply the high frequency heating means 4 based on a pressure signal detected with the pressure detection means. The control means is designed to operate the high frequency heating means with interruption in uniformity with the amount of change in the pressure signal detected with the pressure detection means an further change its heating stop time. This heating stop time is arranged to extend with the progress of defreezing of the frozen food 3. This construction makes it possible to minimize the whole temperature variability including the internal parts of frozen food materials for sashimi and nigiri sushi without the application of a pressure reducing device having a vary large power and defreeze the food to a full-scale without generation of free water.

46. 发明专利

JPH1069978A SURFACE WAVE GENERATING BODY FOR HIGH FREQUENCY HEATING APPARATUS 失效
公开(公告)号：JPH1069978A
公开(公告)日：1998-03-10
申请号：JP22429496
申请日：1996-08-27
申请人： HITACHI HOME TEC LTD
发明人： KUBOTA TETSUO , ARAI TATSUSHI , WATANABE ICHIRO , UEDA MICHIAKI , IWABUCHI YASUSHI , MITOMO AKIO , KIKUCHI ITSUO
IPC分类号： H05B6/70 , H05B6/74
摘要： PROBLEM TO BE SOLVED: To provide a surface wave generating body which can be freely put in and out of a heating chamber. SOLUTION: The rising height H2 of stripe-like rising pieces 10a, 10b facing each other at approximately the center position of a base 9 upper face is set to be enough to reach an inside lower face 16 of an upper face 13 of an outer casing 11. Moreover, their upper end parts are electrically connected and an upper face receiving part 17 is formed to give a supporting member 5 to support the upper face 13 of the outer casing 11 and at the same time the rising height H1 of strip-like rising pieces 10, 10,... at other positions of the surface wave generating main body 8 is set to be lower than that of the supporting member 5 to keep a prescribed gap G between the rising piece 10 and the inner wall face of the outer casing 11. Consequently, at the time when food is mounted, a food mounting face of the outer casing is prevented from being deformed, so that even if spark is generated in the upper end part of the surface generating main body, the outer casing is prevented from being damaged.

47. 发明专利

JPH1064676A SURFACE WAVE GENERATING BODY FOR HIGH FREQUENCY HEATING DEVICE 失效
公开(公告)号：JPH1064676A
公开(公告)日：1998-03-06
申请号：JP21727396
申请日：1996-08-19
申请人： HITACHI HOME TEC LTD
发明人： KUBOTA TETSUO , ARAI TATSUSHI , WATANABE ICHIRO , UEDA MICHIAKI , IWABUCHI YASUSHI , MITOMO AKIO , KIKUCHI ITSUO
IPC分类号： H05B6/70 , F24C7/02 , H05B6/74
摘要： PROBLEM TO BE SOLVED: To accomplish a surface wave generating body which can be set in and taken out of a heating chamber. SOLUTION: A surface wave generating body 5 is composed of a surface wave generating main body 8, an outer case 11 surrounding the surface wave generating main body 8, and a supporting member 12 which is installed in the center of the outer case, which fixes the body of the surface wave generating element to the inside of the outer case 11, and keeps at all times the gap between the top of the surface wave generating main body 8 and the inner wall surface of the case 11. It is arranged so that the food placing surface of the outer case 11 is not deformed even in case heavy food is placed and that the outer case 11 is not ill influenced by sparks generated at the top of the surface wave generating main body 8. An air hole 13 to generate communication form the inside to outside of the outer case 11 is bored in the side face of the outer case 11. Accordingly a heating using surface waves can be simply conducted only by setting the surface wave generating body 5 in the heating chamber and placing food thereon at the time applicable, and an ordinary high frequency heating device equipped with no surface wave generating body can be turned into a device which can conduct surface wave heating.

48. 发明专利

JPH1064674A SURFACE WAVE GENERATING BODY FOR HIGH FREQUENCY HEATING DEVICE 失效
公开(公告)号：JPH1064674A
公开(公告)日：1998-03-06
申请号：JP21727196
申请日：1996-08-19
申请人： HITACHI HOME TEC LTD
发明人： KUBOTA TETSUO , ARAI TATSUSHI , WATANABE ICHIRO , UEDA MICHIAKI , IWABUCHI YASUSHI , MITOMO AKIO , KIKUCHI ITSUO
IPC分类号： H05B6/70 , F24C7/02 , H05B6/74
摘要： PROBLEM TO BE SOLVED: To accomplish a surface wave generating body which can be set in and taken out of a heating chamber. SOLUTION: A surface wave generating body 5 is composed of a surface wave generating main body 8, an outer case 11 surrounding the surface wave generating main body 8, and a surface wave generating main body fixing member 12 to fix the body of the surface wave generating surface wave generating main body 8 to the inside of the outer case 11. It is arranged so that a certain gap is generated between the top edge of the surface wave generating main body 8 and the outer case 11, and thereby the surface wave generating main body 8 is prevented from rattling within the outer case 11 so that it is not ill influenced by sparks generated from the surface wave generating main body 8. Accordingly a heating using surface waves can be conducted only by setting the surface wave generating main body 5 in the heating chamber and placing food thereon at the time applicable, and an ordinary high frequency heating device equipped with no surface wave generating body 5 can be turned into a device which can conduct surface wave heating.

49. 发明专利

JPH1041064A SURFACE WAVE GENERATING BODY FOR HIGH FREQUENCY HEATING APPARATUS 失效
公开(公告)号：JPH1041064A
公开(公告)日：1998-02-13
申请号：JP19261796
申请日：1996-07-23
申请人： HITACHI HOME TEC LTD
发明人： KUBOTA TETSUO , KOSHIJI KOJI , KIKUCHI ITSUO , WATANABE ICHIRO , UEDA MICHIAKI , MITOMO AKIO , IWABUCHI YASUSHI , ARAI TATSUSHI
IPC分类号： H05B6/64
摘要： PROBLEM TO BE SOLVED: To adjust the generating intensity of surface wave corresponding to the kinds of foods and at the same time freely put the surface wavegenerating body in and out of a heating chamber and properly install the apparatus in the heating chamber. SOLUTION: For food 3 of which region to be heated is decentered in a specified region, it is preferable that the surface waves are generated concentrically in the decentered region. For that, belt-like standing pieces 2a, 2b, 2c,... produce the height difference in the regions where the food exists and no food exists as to make the intensity of an electric field in the region where the food exists be high and by contraries as to make the intensity of an electric field in the region where no food exists be low. Since the surface wave generating body itself can be freely put in and out of a heating chamber, the optimum one can be prepared and used corresponding to the demand in relation to the degree of the finishing and the properties of the food 3. Moreover, since a projected part 8 is formed in a part of the surface wave generating face side of the outer case 4, the surface wave generating body is shaken and unstable in the case the projected part 8 is set downward in the heating chamber and thus a user can notice that the body is not properly installed.

50. 发明专利

JPH1019268A DEFROSTING DEVICE FOR FROZEN FOOD 失效
公开(公告)号：JPH1019268A
公开(公告)日：1998-01-23
申请号：JP17319696
申请日：1996-07-03
申请人： HITACHI HOME TEC LTD
发明人： KUBOTA TETSUO , ARAI TATSUSHI , WATANABE ICHIRO , YAJIMA HIROSHI , IWABUCHI YASUSHI , MITOMO AKIO , ODA MAKOTO , NOGUCHI YASUTAKA
IPC分类号： F24C7/02
摘要： PROBLEM TO BE SOLVED: To realize highly efficient and uniform high-frequency defrosting heating employing a surface wave circuit and make the maintenance of the surface wave circuit unnecessary. SOLUTION: A surface wave circuit 8 is attached integrally to the outside lower part of a bottom wall of an evacuated inner box 3 so as to be capable of preventing the invasion of foreign matters by the bottom wall whereby not only highly efficient and uniform heating is permitted but also an evacuated inner box type frozen food defrosting device, excellent in handling property without necessitating any special maintenance of the part of the surface wave circuit 8, can be realized.

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