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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
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.
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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
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.
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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
发明人： FUKUI, Mikio , UNO, Takashi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , TAKANO, Shinji , HOSOKAWA, Daisuke , HIRAMOTO, Masayoshi
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.
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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
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.
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公开(公告)号：EP3927117A1
公开(公告)日：2021-12-22
申请号：EP20756384.2
申请日：2020-02-03
发明人： OOMORI, Yoshiharu , HOSOKAWA, Daisuke , OGASAWARA, Fumitaka , FUKUI, Mikio , YOSHINO, Koji , UNO, Takashi
IPC分类号： H05B6/68
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.
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公开(公告)号：EP3849278A1
公开(公告)日：2021-07-14
申请号：EP19857088.9
申请日：2019-09-05
发明人： TAKANO, Shinji , HIRAMOTO, Masayoshi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , UNO, Takashi , FUKUI, Mikio , HOSOKAWA, Daisuke
IPC分类号： H05B6/68
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.
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公开(公告)号：EP3104667B1
公开(公告)日：2019-10-02
申请号：EP15746895.0
申请日：2015-02-05
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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
发明人： UNO, Takashi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , TAKANO, Shinji , FUKUI, Mikio , HOSOKAWA, Daisuke , HIRAMOTO, Masayoshi
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.
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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
发明人： TAKANO, Shinji , HIRAMOTO, Masayoshi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , UNO, Takashi , FUKUI, Mikio , HOSOKAWA, Daisuke
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.
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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
发明人： UNO, Takashi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , TAKANO, Shinji , FUKUI, Mikio , HOSOKAWA, Daisuke , HIRAMOTO, Masayoshi
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.
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