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1. 发明授权

US4356371A Small load detection by comparison between input and output parameters of an induction heat cooking apparatus 失效
标题翻译：通过比较感应加热烹饪设备的输入和输出参数来进行小负载检测
公开(公告)号：US4356371A
公开(公告)日：1982-10-26
申请号：US205861
申请日：1980-11-10
申请人： Mitsuyuki Kiuchi , Takumi Mizukawa , Hideyuki Kominami , Kenji Hattori
发明人： Mitsuyuki Kiuchi , Takumi Mizukawa , Hideyuki Kominami , Kenji Hattori
IPC分类号： H05B6/06 , H05B6/08 , H05B6/12
CPC分类号： H05B6/062 , H05B2213/05
摘要： An induction heat cooking apparatus includes an inverter which generates ultrasonic frequency energy for heating a magnetic load by induction, and a small load detection circuit. The detection circuit includes a comparator which compares the input and output parameters of the inverter and latches a bistable device when the input power is smaller than the output parameter. The bistable device shuts down the inverter to prevent inadvertently placed small utensil objects from being excessively heated.
摘要翻译：一种感应加热烹饪设备包括：通过感应产生用于加热磁性负载的超声频率能量的逆变器和小负载检测电路。检测电路包括比较器，当输入功率小于输出参数时，比较反相器的输入和输出参数并锁存双稳态器件。双稳态装置关闭变频器，防止意外放置的小器具物体过热。

2. 发明授权

US4074101A Induction heating apparatus using a pair of inversely parallel connected gate-controlled switching devices 失效
标题翻译：感应加热装置使用一对逆并联的栅极控制开关装置
公开(公告)号：US4074101A
公开(公告)日：1978-02-14
申请号：US657307
申请日：1976-02-11
申请人： Mitsuyuki Kiuchi , Keizo Amagami , Takumi Mizukawa , Hideyuki Kominami
发明人： Mitsuyuki Kiuchi , Keizo Amagami , Takumi Mizukawa , Hideyuki Kominami
IPC分类号： H05B6/12 , H01F30/00 , H02M5/22 , H02M5/27 , H03B9/10 , H05B6/06 , H05B6/10 , H05B6/68 , H05B5/04
CPC分类号： H05B6/1209 , H02M5/22 , H02M5/27 , H03B9/10 , H05B6/062 , H05B6/6488 , Y02B40/123 , Y10S55/36
摘要： An induction heating apparatus comprising a pair of inversely parallel-connected gate-controlled switching devices connected to an alternating current source, a resonant circuit including an induction heating coil and a variable frequency gating circuit for firing the switching devices to generate oscillations through the conducting device and the induction heating coil. The switching devices are gated into conduction in succession in a first order during the positive half cycle of the alternating current and in a reversed order during the negative half cycle. A zero crosspoint detector is provided to inhibit gating when the source voltage is near zero crosspoint level and to control the gating frequency in accordance with the instantaneous value of the source voltage to increase the turn-off time of the switching devices for lower input source voltage.
摘要翻译：一种感应加热装置，包括连接到交流电源的一对逆并联的门控开关装置，包括感应加热线圈的谐振电路和用于点火开关装置以产生通过导电装置的振荡的可变频率选通电路和感应加热线圈。开关器件在交流电的正半周期期间以一级顺序被选通导通，并且在负半周期期间以相反的顺序被选通。提供零交叉点检测器以在源电压接近零交叉点电平时禁止门控，并根据源电压的瞬时值来控制门控频率，以增加用于较低输入电源电压的开关器件的关断时间。

3. 发明授权

US4129767A Induction heating apparatus having timing means responsive to temporary removal of cooking implement 失效
标题翻译：感应加热装置具有响应于临时移除烹饪器具的定时装置
公开(公告)号：US4129767A
公开(公告)日：1978-12-12
申请号：US818322
申请日：1977-07-22
申请人： Keizo Amagami , Masatatsu Nakamura , Hideyuki Kominami , Kouji Funakoshi , Mitsuyuki Kiuchi , Takumi Mizukawa
发明人： Keizo Amagami , Masatatsu Nakamura , Hideyuki Kominami , Kouji Funakoshi , Mitsuyuki Kiuchi , Takumi Mizukawa
IPC分类号： H05B6/06 , H05B5/04
CPC分类号： H05B6/062
摘要： A plurality of switches each is provided in the vicinity of each of a plurality of heater coils of an induction heating apparatus, and responsive to removel of a cooking implement from a corresponding heater coil for being rendered open. A plurality of timers each is connected to each of the switches and causes the heater coil to be de-energized when the cooking implement is kept away from the heater coil for more than a predetermined time period.
摘要翻译：在感应加热装置的多个加热器线圈的每一个附近设置多个开关，并且响应于来自相应的加热器线圈的烹饪器具的去除而被打开。多个定时器各自连接到每个开关，并且当烹饪器具远离加热器线圈超过预定时间段时使加热器线圈断电。

4. 发明授权

US4092510A Multiple-load induction heating cooking apparatus with means for eliminating interference between two or more commutation circuits 失效
标题翻译：具有用于消除两个或更多个换向电路之间的干扰的装置的多负载感应加热烹饪设备
公开(公告)号：US4092510A
公开(公告)日：1978-05-30
申请号：US732660
申请日：1976-10-15
申请人： Mitsuyuki Kiuchi , Takumi Mizukawa , Hideyuki Kominami , Keizo Amagami
发明人： Mitsuyuki Kiuchi , Takumi Mizukawa , Hideyuki Kominami , Keizo Amagami
IPC分类号： H02M7/523 , H02M7/525 , H05B6/06 , H05B6/66 , H05B6/68 , H05B5/04
CPC分类号： H05B6/6488 , H02M7/523 , H02M7/525 , H05B6/062
摘要： A multiple-load induction heating cooking apparatus comprises two or more induction heating commutation circuits each having the junction between its commutating inductor and capacitor manually selectively connected by corresponding one of a plurality of interconnecting switches equal in number to the commutation circuits to form a series-connected LC circuit to a high frequency energy source. The potential at the common point of connection is compared with a reference potential to produce an error signal which is used to control the frequency of the energy source so that the potential at the common point is maintained constant regardless of the magnitude of induction heating loads.
摘要翻译：多负载感应加热烹饪设备包括两个或更多个感应加热换向电路，每个感应加热换向电路的换向电感器和电容器之间的接点手动地通过与换向电路相等的多个互连开关中的相应一个相互连接，连接的LC电路到高频能量源。将公共连接点处的电位与参考电位进行比较，以产生用于控制能量源的频率的误差信号，使得无论感应加热负载的大小如何，公共点处的电位都保持恒定。

5. 发明授权

US4467165A Induction heating apparatus 失效
标题翻译：感应加热装置
公开(公告)号：US4467165A
公开(公告)日：1984-08-21
申请号：US269059
申请日：1981-05-18
申请人： Mitsuyuki Kiuchi , Takumi Mizukawa
发明人： Mitsuyuki Kiuchi , Takumi Mizukawa
IPC分类号： H05B6/06 , H05B6/08
CPC分类号： H05B6/062
摘要： In an induction heating apparatus wherein heat is generated in a magnetic material by eddy currents produced by high frequency magnetic field of a heating coil (32), zero crossing point of the voltage developed in the heating coil (32) is detected and the pulse-width of a transistor (33) is controlled in synchronism with the detected zero crossing point to provide wide range power output control.
摘要翻译： PCT No.PCT / JP80 / 00208 Sec。 371日期：1981年5月18日 102（e）日期1981年5月18日PCT提交1980年9月12日PCT公布。公开号WO81 / 00801 日前，1981年3月19日。在通过由加热线圈（32）的高频磁场产生的涡流在磁性材料中产生热的感应加热装置中，在加热线圈（32）中产生的电压的过零点），并且与检测到的过零点同步地控制晶体管（33）的脉冲宽度，以提供宽范围的功率输出控制。

6. 发明授权

US4016391A Induction heating apparatus with means for improving the dv/dt capability of a silicon-controlled rectifier used therein 失效
标题翻译：感应加热装置，其具有用于提高其中使用的可控硅整流器的dv / dt能力的装置
公开(公告)号：US4016391A
公开(公告)日：1977-04-05
申请号：US586621
申请日：1975-06-13
申请人： Mitsuyuki Kiuchi , Takumi Mizukawa
发明人： Mitsuyuki Kiuchi , Takumi Mizukawa
IPC分类号： H02M1/06 , H02M7/515 , H05B6/06 , H05B5/04
CPC分类号： H02M7/515 , H02M1/06 , H05B6/06
摘要： A gate controlled thyrister (SCR) used for switching at high frequency for induction heating is supplied with a negative bias during an interval ranging from the point where the forward current reaches to zero to the time of reapplication of a subsequent gating signal. This provides high dv/dt (the rate of rise of anode voltage) capability and small turn off time to the device.
摘要翻译：在从正向电流达到零的点到再次施加后续的门控信号的时间间隔内，用于感应加热的高频切换的门控可控硅（SCR）被提供负偏压。这提供了高dv / dt（阳极电压的上升率）能力和对器件的小的关断时间。

7. 发明授权

US4145592A Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time 失效
公开(公告)号：US4145592A
公开(公告)日：1979-03-20
申请号：US749258
申请日：1976-12-10
申请人： Takumi Mizukawa , Keizo Amagami , Mitsuyuki Kiuchi , Hirokazu Yoshida , Tatsuo Saka
发明人： Takumi Mizukawa , Keizo Amagami , Mitsuyuki Kiuchi , Hirokazu Yoshida , Tatsuo Saka
IPC分类号： H05B6/12 , G05F1/45 , H02M1/08 , H02M5/27 , H05B6/06 , H05B5/04
CPC分类号： H05B6/062 , G05F1/45 , H02M1/08 , H02M5/27
摘要： Induction heating apparatus using gate-controlled switching devices includes a zero crossing point detector for detecting the occurrence of each zero crossing point of high frequency energization current, and a timing circuit which provides timing action in response to the detected zero crossing point. The timing action is controlled by a power control circuit which detects the level of energy delivered to a load within a range from the inherent turn-off time of the gate-controlled switching devices to a desired value.

8. 发明授权

US4317975A Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time 失效
标题翻译：感应加热装置，用于检测高频振荡的过零点，以确定触发时间
公开(公告)号：US4317975A
公开(公告)日：1982-03-02
申请号：US972881
申请日：1978-12-26
申请人： Takumi Mizukawa , Keizo Amagami , Mitsuyuki Kiuchi , Hirokazu Yoshida , Tatsuo Saka
发明人： Takumi Mizukawa , Keizo Amagami , Mitsuyuki Kiuchi , Hirokazu Yoshida , Tatsuo Saka
IPC分类号： H05B6/12 , G05F1/45 , H02M1/08 , H02M5/27 , H05B6/06 , H05B6/08
CPC分类号： H05B6/062 , G05F1/45 , H02M1/08 , H02M5/27
摘要： Induction heating apparatus using gate-controlled switching devices includes a zero crossing point detector for detecting the occurrence of each zero crossing point of high frequency energization current, and a timing circuit which provides timing action in response to the detected zero crossing point. The timing action is controlled by a power control circuit which detects the level of energy delivered to a load within a range from the inherent turn-off time of the gate-controlled switching devices to a desired value.
摘要翻译：使用栅极控制开关器件的感应加热装置包括用于检测高频通电电流的每个过零点的出现的过零点检测器，以及响应于检测到的过零点提供定时动作的定时电路。定时动作由功率控制电路控制，功率控制电路检测在从门控开关装置的固有关断时间到期望值的范围内传送到负载的能量的水平。

9. 发明授权

US4147910A Power adjustment with variable frequency and duty-cycle control for induction heating apparatus 失效
标题翻译：用于感应加热设备的变频调速和占空比控制
公开(公告)号：US4147910A
公开(公告)日：1979-04-03
申请号：US803968
申请日：1977-06-06
申请人： Mitsuyuki Kiuchi , Takumi Mizukawa , Keizo Amagami , Hirokazu Yoshida
发明人： Mitsuyuki Kiuchi , Takumi Mizukawa , Keizo Amagami , Hirokazu Yoshida
IPC分类号： H02M5/27 , G05F1/455 , H05B5/04
CPC分类号： G05F1/455
摘要： In an induction heating cooking apparatus, the frequency of electromagnetic energy is varied in response to a desired power setting level within an allowable range and the duty cycle of the energy is varied in response to the setting level while the frequency is set at the lower limit of the allowable range. The combined effects of frequency and duty cycle controls permit the power to vary from as low as 50 watts to as high as 2 kilowatts.
摘要翻译：在感应加热烹调设备中，电磁能的频率响应期望的功率设定水平而变化，并且能量的占空比响应设定水平而变化，而频率设定在下限的允许范围。频率和占空比控制的综合影响允许功率从低至50瓦特变化到高达2千瓦。

10. 发明授权

US4396818A Thyristor off-time controlled induction heating apparatus by differentiated thyristor anode potential 失效
标题翻译：晶闸管关断时间控制感应加热装置通过差分晶闸管阳极电位
公开(公告)号：US4396818A
公开(公告)日：1983-08-02
申请号：US273415
申请日：1981-06-15
申请人： Hideyuki Kominami , Yoshio Ogino , Takumi Mizukawa , Takao Kobayashi
发明人： Hideyuki Kominami , Yoshio Ogino , Takumi Mizukawa , Takao Kobayashi
IPC分类号： H05B6/12 , H02M7/523 , H05B6/06 , H05B6/08
CPC分类号： H05B6/062 , H02M7/523
摘要： An induction heating apparatus including a thyristor adapted to receive power from a power source, a gating control circuit for generating gating pulses for application to the gating control terminal of the thyristor, a commutating circuit which commutates off the thyristor, and a differentiator connected across the anode and cathode terminals of the thyristor to detect the power consumption of an inductively heated cooking ware. The gating control circuit comprises a gating pulse generator and a smoothing circuit for filtering the signal from the differentiator into a d-c signal which is compared with a reference level to detect the deviation of the power consumption from the reference value. The gating pulse generator is responsive to a potential at the anode of the thyristor to initiate timing action to determine the interpulse period or turn-off time of the thyristor and also responsive to the deviation of power consumption to vary the interpulse period.
摘要翻译：一种感应加热装置，包括适于从电源接收功率的晶闸管，用于产生选通脉冲以用于施加到晶闸管的选通控制端的选通脉冲的选通控制电路，将晶闸管整流的换向电路，以及跨越晶闸管的微分器晶闸管的阳极和阴极端子，以检测感应加热烹饪器具的功耗。选通控制电路包括门控脉冲发生器和平滑电路，用于将来自微分器的信号滤波成与参考电平进行比较的d-c信号，以检测功耗与参考值的偏差。门控脉冲发生器响应于晶闸管的阳极处的电位以启动定时动作以确定晶闸管的脉冲间期或关断时间，并且还响应功率消耗的偏差来改变脉冲间隔。

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