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    • 1. 发明授权
    • Refrigerant tube for a heat exchanger
    • 用于热交换器的制冷剂管
    • US06247529B1
    • 2001-06-19
    • US09338851
    • 1999-06-25
    • Fumio ShimizuHiroyasu ShimanukiHirohiko WatanabeYuichi FurukawaYuji YamamotoArif Mujib KhanQun LiuThaddeus Waskiewicz
    • Fumio ShimizuHiroyasu ShimanukiHirohiko WatanabeYuichi FurukawaYuji YamamotoArif Mujib KhanQun LiuThaddeus Waskiewicz
    • F28F100
    • F28F3/048F28F1/022F28F2250/04
    • A refrigerant tube for a heat exchanger, comprising: a generally flat tube 10 having generally flat upper and lower walls 12/14; a plurality of reinforcing walls 16 connected between the upper and lower walls 12/14, the reinforcing walls extending along and generally parallel with a longitudinal axis A—A of the tube and being spaced apart from one another by a predetermined distance; and a plurality of communication holes 18 distributed along the length of each reinforcing wall 16, thereby defining a plurality of discrete wall portions 20 along each reinforcing wall 16, each of the discrete wall portions 20 being disposed between adjacent communication holes 18 and having an upstream edge 22 and a downstream edge 24 thereof, the communication holes 18 and discrete wall portions 20 having lengths L1 and L2, respectively, as measured along the longitudinal axis A—A, the communication holes 18 being spaced apart along each reinforcing wall 16 by a pitch P. Each communication hole 18 in each reinforcing wall is disposed between the upstream and downstream edges 22/24 of a laterally adjacent discrete wall portion 20 of each adjacent reinforcing wall, such that a wall overlap ratio Wr, defined as [P−2L1]/P, is greater than 0, and preferably 0.4≦Wr≦0.6.
    • 一种用于热交换器的制冷剂管,包括:大致平坦的管10,其具有大致平坦的上壁12壁和下壁14; 多个加强壁16,其连接在上壁12/14和下壁12之间,加强壁沿管子的纵向轴线A-A延伸并且大致平行于彼此隔开预定距离; 以及沿着每个加强壁16的长度分布的多个连通孔18,从而沿着每个加强壁16限定多个离散的壁部分20,每个离散的壁部分20设置在相邻的连通孔18之间并且具有上游 边缘22和其下游边缘24,连通孔18和离散壁部分20分别具有沿着纵向轴线AA测量的长度L1和L2,连通孔18沿着每个加强壁16间隔开间距P 每个加强壁中的每个连通孔18设置在每个相邻的加强壁的横向相邻的离散壁部分20的上游边缘22/24侧和下游边缘22/24之间,使得壁重叠率Wr被定义为[P-2L1] / P大于0,优选为0.4 <= Wr <= 0.6。
    • 8. 发明申请
    • INDUCTION COOKER
    • 感应烹饪师
    • US20130037535A1
    • 2013-02-14
    • US13642450
    • 2011-06-10
    • Fumitaka OgasawaraTakashi TakehiraMasashi KinoshitaYuji Yamamoto
    • Fumitaka OgasawaraTakashi TakehiraMasashi KinoshitaYuji Yamamoto
    • H05B6/06H05B6/12
    • H05B6/062
    • It is an object of the present invention to provide a highly-reliable induction heating cooker capable of considerably reducing erroneous detection of boiling over of a cooking container generated at the time of cooking. The induction heating cooker includes a boiling over detecting portion to reduce a heating output of an inverter to a predetermined value when a change amount of electrostatic capacitance detected by an electrostatic capacitance detecting portion with respect to a reference value reaches an output reducing threshold value or more, and the boiling over detecting portion stops a heating action or reduces the heating output to a third set value lower than a second set value when a change rate of the detected electrostatic capacitance reaches a predetermined change rate or more, and maintains the heating output at the second set value when the change rate of the detected electrostatic capacitance is less than the predetermined change rate, during a boiling over determining period started from the time when the change amount of the detected electrostatic capacitance with respect to the reference value reaches the output reducing threshold value or more.
    • 本发明的目的是提供一种高度可靠的感应加热烹调器,其能够显着地减少在烹饪时产生的烹饪容器的沸腾的错误检测。 感应加热烹调器包括沸腾检测部分,当由静电电容检测部分检测到的相对于参考值检测的静电电容的变化量达到输出降低阈值或更大时,将逆变器的加热输出减小到预定值 并且当检测到的静电电容的变化率达到预定变化率或更大时,沸腾检测部分停止加热动作或将加热输出减小到低于第二设定值的第三设定值,并将加热输出保持在 在从检测到的静电电容相对于基准值的变化量达到输出降低的时间开始的沸腾判定期间,当检测到的静电电容的变化率小于预定变化率时的第二设定值 阈值以上。