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1. 发明公开

EP4355030A2 MICROWAVE TREATMENT DEVICE 审中-实审
公开(公告)号：EP4355030A2
公开(公告)日：2024-04-17
申请号：EP24161042.7
申请日：2020-02-03
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： OOMORI, Yoshiharu , HOSOKAWA, Daisuke , OGASAWARA, Fumitaka , FUKUI, Mikio , YOSHINO, Koji , UNO, Takashi
IPC分类号： H05B6/68
CPC分类号： H05B6/705
摘要： A microwave treatment device comprises a heating chamber for accommodating a heating target, a microwave generator, a feeder, a detector, and a controller. The microwave generator generates a microwave having a frequency in a specified frequency band. The feeder radiates the microwave inside the heating chamber. The detector detects a reflected microwave power reflected from the heating chamber. The controller causes the microwave generator to execute a frequency sweeping in the specified frequency band. The controller also controls the microwave generator according to a temporal change in a frequency characteristic of the reflected microwave power. The temporal change in the frequency characteristic of the reflected microwave power is based on the frequency of the microwave, a level of the reflected microwave power, and a time passed from a start of heating. In this aspect, it is possible to accurately recognizes the progress of cooking while heating the object. Accordingly, cooking can be finished appropriately.

2. 发明公开

EP4355030A3 MICROWAVE TREATMENT DEVICE 审中-实审
公开(公告)号：EP4355030A3
公开(公告)日：2024-07-24
申请号：EP24161042.7
申请日：2020-02-03
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： OOMORI, Yoshiharu , HOSOKAWA, Daisuke , OGASAWARA, Fumitaka , FUKUI, Mikio , YOSHINO, Koji , UNO, Takashi
IPC分类号： H05B6/70
CPC分类号： H05B6/705
摘要： A microwave treatment device comprises a heating chamber for accommodating a heating target, a microwave generator, a feeder, a detector, and a controller. The microwave generator generates a microwave having a frequency in a specified frequency band. The feeder radiates the microwave inside the heating chamber. The detector detects a reflected microwave power reflected from the heating chamber. The controller causes the microwave generator to execute a frequency sweeping in the specified frequency band. The controller also controls the microwave generator according to a temporal change in a frequency characteristic of the reflected microwave power. The temporal change in the frequency characteristic of the reflected microwave power is based on the frequency of the microwave, a level of the reflected microwave power, and a time passed from a start of heating. In this aspect, it is possible to accurately recognizes the progress of cooking while heating the object. Accordingly, cooking can be finished appropriately.

3. 发明公开

EP3852495A1 MICROWAVE HEATING DEVICE 有权
公开(公告)号：EP3852495A1
公开(公告)日：2021-07-21
申请号：EP19859728.8
申请日：2019-09-11
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： FUKUI, Mikio , UNO, Takashi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , TAKANO, Shinji , HOSOKAWA, Daisuke , HIRAMOTO, Masayoshi
IPC分类号： H05B6/70 , H01R24/38
摘要： A microwave heating device includes the following components: a heating chamber for accommodating a heating target object, a microwave generator that generates a microwave, and a coaxial connector. The coaxial connector includes a center conductor, an insulator, and an external conductor. The center conductor is connected to the output terminal of the microwave generator. The coaxial connector includes an air gap between the center conductor and the insulator. This aspect can reduce the occurrence of cracking of the soldered joint between the microwave generator and the coaxial connector.

4. 发明授权

EP3104083B1 HEAT COOKER 有权
公开(公告)号：EP3104083B1
公开(公告)日：2018-05-23
申请号：EP15746402.5
申请日：2015-02-05
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： HAYASHI, Takahiro , OTSUKI, Yuichi , YAMASHITA, Seiichi , FUKUI, Mikio , KAMIYA, Toshifumi
IPC分类号： F24C7/02 , F24C1/00 , H05B6/64
CPC分类号： H05B6/6485 , F24C15/325 , H05B6/642 , H05B6/6476
摘要： Heating cooker (30) of the present disclosure includes convection device (35) that includes fan (14), heater (13), a first air guide, and second air guide, is communicated with heating chamber (2) through a suction port and a discharge port provided in back wall (2d) of heating chamber (2), and supplies hot air to the heating chamber (2). Fan (14) sucks air inside heating chamber (2) from the suction port into convection device (35), and sends out the air from the discharge port into heating chamber (2). Heater (13) is provided in front of fan (14), and heats the sucked air. The first air guide is provided so as to surround heater (13), and guides the heated air to the discharge port. The second air guide is provided so as to surround fan (14) and the first air guide, and guides the heated air to the discharge port. A part of the second air guide is in contact with the first air guide, and another part of the second air guide is isolated from the first air guide. According to the present disclosure, it is possible to more uniformly heat the object to be heated.

5. 发明公开

EP4369863A3 HIGH-FREQUENCY HEATING APPARATUS 审中-实审
公开(公告)号：EP4369863A3
公开(公告)日：2024-08-07
申请号：EP24164566.2
申请日：2019-07-25
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： UNO, Takashi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , TAKANO, Shinji , FUKUI, Mikio , HOSOKAWA, Daisuke , HIRAMOTO, Masayoshi
IPC分类号： H05B6/64 , H05B6/68 , F24C7/02 , H05B6/70
CPC分类号： H05B6/68 , Y02B40/00 , H05B6/686 , H05B6/687 , H05B6/705 , H05B6/645
摘要： A high-frequency heating apparatus includes: a heating chamber for accommodating a load; a microwave source; at least one radiator; a temperature detector; and a controller. The microwave source generates a microwave and adjusts the frequency and output of the microwave. The at least one radiator radiates a microwave into the heating chamber. The temperature detector detects the temperature in the heating chamber. The controller causes the microwave source to adjust the output of the microwave based on the temperature profile that defines the temperature change in the load, and the temperature in the heating chamber. According to this aspect, food can be heated in accordance with the temperature profile appropriate for the cooking recipe, thereby ensuring the quality of cooked food.

6. 发明公开

EP4243572A3 RF ENERGY RADIATION DEVICE 审中-实审
公开(公告)号：EP4243572A3
公开(公告)日：2023-11-08
申请号：EP23182475.6
申请日：2019-09-05
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： TAKANO, Shinji , HIRAMOTO, Masayoshi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , UNO, Takashi , FUKUI, Mikio , HOSOKAWA, Daisuke
IPC分类号： H05B6/68 , H05B6/66
摘要： An RF energy radiation device includes a cavity in which a heating target object is to be placed, an RF signal generation unit, an RF amplifier, a radiation element, a temperature sensor, and a controller. The RF signal generation unit oscillates an RF signal. The RF amplifier amplifies the RF signal and provides RF energy. The radiation element radiates the RF energy into the cavity. The temperature sensor is disposed in the vicinity of the RF amplifier. The controller controls the RF amplifier so that the RF amplifier adjusts the RF energy output in accordance with the temperature detected by the temperature sensor and a plurality of threshold levels. This aspect can improve the reliability of the device.

7. 发明公开

EP3832211A1 HIGH-FREQUENCY HEATING APPARATUS 有权
公开(公告)号：EP3832211A1
公开(公告)日：2021-06-09
申请号：EP19843424.3
申请日：2019-07-25
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： UNO, Takashi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , TAKANO, Shinji , FUKUI, Mikio , HOSOKAWA, Daisuke , HIRAMOTO, Masayoshi
IPC分类号： F24C7/02 , H05B6/68
摘要： A high-frequency heating apparatus includes: a heating chamber for accommodating a load; a microwave source; at least one radiator; a temperature detector; and a controller. The microwave source generates a microwave and adjusts the frequency and output of the microwave. The at least one radiator radiates a microwave into the heating chamber. The temperature detector detects the temperature in the heating chamber. The controller causes the microwave source to adjust the output of the microwave based on the temperature profile that defines the temperature change in the load, and the temperature in the heating chamber. According to this aspect, food can be heated in accordance with the temperature profile appropriate for the cooking recipe, thereby ensuring the quality of cooked food.

8. 发明公开

EP4369863A2 HIGH-FREQUENCY HEATING APPARATUS 审中-实审
公开(公告)号：EP4369863A2
公开(公告)日：2024-05-15
申请号：EP24164566.2
申请日：2019-07-25
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： UNO, Takashi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , TAKANO, Shinji , FUKUI, Mikio , HOSOKAWA, Daisuke , HIRAMOTO, Masayoshi
IPC分类号： H05B6/70
CPC分类号： H05B6/68 , Y02B40/00 , H05B6/686 , H05B6/687 , H05B6/705 , H05B6/645
摘要： A high-frequency heating apparatus includes: a heating chamber for accommodating a load; a microwave source; at least one radiator; a temperature detector; and a controller. The microwave source generates a microwave and adjusts the frequency and output of the microwave. The at least one radiator radiates a microwave into the heating chamber. The temperature detector detects the temperature in the heating chamber. The controller causes the microwave source to adjust the output of the microwave based on the temperature profile that defines the temperature change in the load, and the temperature in the heating chamber. According to this aspect, food can be heated in accordance with the temperature profile appropriate for the cooking recipe, thereby ensuring the quality of cooked food.

9. 发明公开

EP4243572A2 RF ENERGY RADIATION DEVICE 审中-实审
公开(公告)号：EP4243572A2
公开(公告)日：2023-09-13
申请号：EP23182475.6
申请日：2019-09-05
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： TAKANO, Shinji , HIRAMOTO, Masayoshi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , UNO, Takashi , FUKUI, Mikio , HOSOKAWA, Daisuke
IPC分类号： H05B6/66
摘要： An RF energy radiation device includes a cavity in which a heating target object is to be placed, an RF signal generation unit, an RF amplifier, a radiation element, a temperature sensor, and a controller. The RF signal generation unit oscillates an RF signal. The RF amplifier amplifies the RF signal and provides RF energy. The radiation element radiates the RF energy into the cavity. The temperature sensor is disposed in the vicinity of the RF amplifier. The controller controls the RF amplifier so that the RF amplifier adjusts the RF energy output in accordance with the temperature detected by the temperature sensor and a plurality of threshold levels. This aspect can improve the reliability of the device.

10. 发明公开

EP3104667A1 MICROWAVE HEATING DEVICE 有权
标题翻译：微波加热装置
公开(公告)号：EP3104667A1
公开(公告)日：2016-12-14
申请号：EP15746895.0
申请日：2015-02-05
申请人： Panasonic Intellectual Property Management Co., Ltd.
发明人： HAYASHI, Takahiro , OTSUKI, Yuichi , YAMASHITA, Seiichi , FUKUI, Mikio , KAMIYA, Toshifumi
IPC分类号： H05B6/74 , F24C7/02 , H05B6/64 , H05B6/70
CPC分类号： H05B6/642 , H05B6/645 , H05B6/6476 , H05B6/707 , H05B2206/044
摘要： In a microwave heating device of the present disclosure, inverter unit (4) drives first and second microwave generating devices (3). Cooling unit (5) cools first and second microwave generating devices (3) and inverter unit (4). First and second waveguides (17) supplies, to cavity (2), microwaves generated by first and second microwave generating devices (3). First and second microwave generating devices (3) are disposed side by side in a right-left direction below a bottom surface of cavity (2). Inverter unit (4) and cooling fan (5) are disposed from the first and second microwave generating devices (3) toward a front side in order, and first and second waveguides (17) are provided so as to extend in a front-back direction from first and second microwave generating devices (3), respectively. According to the present disclosure, the microwave heating device can be further downsized in a right-left direction.
摘要翻译：在本公开的微波加热装置中，逆变器单元（4）驱动第一和第二微波发生装置（3）。冷却单元（5）冷却第一和第二微波产生装置（3）和逆变器单元（4）。第一和第二波导（17）向空腔（2）供应由第一和第二微波发生装置（3）产生的微波。第一和第二微波产生装置（3）在空腔（2）的底面下方沿左右方向并排布置。第一和第二微波发生装置（3）依次向前侧配置有逆变器单元（4）和冷却风扇（5），并且第一和第二波导管（17）设置成在前后来自第一和第二微波发生装置（3）的方向。根据本公开，可以使微波加热装置在左右方向上进一步小型化。

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