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    • 1. 发明申请
    • HOT-FILM AIR MASS METER HAVING FREQUENCY-MODULATED SIGNAL DETECTION
    • 具有频率调制信号检测的热电影空气质量计
    • US20090314079A1
    • 2009-12-24
    • US11990573
    • 2006-06-13
    • Bernard OpitzUlrich WagnerAxel FrankeCarsten Raudzis
    • Bernard OpitzUlrich WagnerAxel FrankeCarsten Raudzis
    • G01F1/692
    • G01F1/6986G01F1/6845G01F1/692
    • A method for measuring an air mass flow flowing in a main flow direction, and a hot-film air mass meter by which the method is able to be realized. The method and the hot-film air mass meter are especially suitable for use in the induction tract of an internal combustion engine. The hot-film air mass meter includes a sensor chip having a chip surface across which an air mass flow is able to flow. The chip surface in turn has a measuring surface, the measuring surface including a central hot-film air mass meter circuit having at least one central heating element and at least two temperature sensors. The method is implemented so that the at least one central heating element is periodically heated using a frequency ω. With the aid of at least two temperature sensors, at least two measuring signals are detected. The measuring signals and/or at least one differential signal of the at least two measuring signals are modulated using the frequency ω.
    • 用于测量沿主流动方向流动的空气质量流量的方法和能够实现该方法的热膜空气质量计。 该方法和热膜空气质量计特别适用于内燃机的进气道。 热膜空气质量计包括具有能够流过空气质量流的芯片表面的传感器芯片。 芯片表面依次具有测量表面,测量表面包括具有至少一个中央加热元件和至少两个温度传感器的中心热膜空气质量计电路。 该方法被实施为使得使用频率ωm周期性地加热至少一个中央加热元件。 借助于至少两个温度传感器,至少检测两个测量信号。 测量信号和/或至少两个测量信号的至少一个差分信号使用频率ω进行调制。
    • 2. 发明授权
    • Hot-film air mass meter having frequency-modulated signal detection
    • 具有调频信号检测的热膜空气质量计
    • US07861586B2
    • 2011-01-04
    • US11990573
    • 2006-06-13
    • Bernard OpitzUlrich WagnerAxel FrankeCarsten Raudzis
    • Bernard OpitzUlrich WagnerAxel FrankeCarsten Raudzis
    • G01F1/68
    • G01F1/6986G01F1/6845G01F1/692
    • A method for measuring an air mass flow flowing in a main flow direction, and a hot-film air mass meter by which the method is able to be realized. The method and the hot-film air mass meter are especially suitable for use in the induction tract of an internal combustion engine. The hot-film air mass meter includes a sensor chip having a chip surface across which an air mass flow is able to flow. The chip surface in turn has a measuring surface, the measuring surface including a central hot-film air mass meter circuit having at least one central heating element and at least two temperature sensors. The method is implemented so that the at least one central heating element is periodically heated using a frequency ω. With the aid of at least two temperature sensors, at least two measuring signals are detected. The measuring signals and/or at least one differential signal of the at least two measuring signals are modulated using the frequency ω.
    • 用于测量沿主流动方向流动的空气质量流量的方法和能够实现该方法的热膜空气质量计。 该方法和热膜空气质量计特别适用于内燃机的进气道。 热膜空气质量计包括具有能够流过空气质量流的芯片表面的传感器芯片。 芯片表面依次具有测量表面,测量表面包括具有至少一个中央加热元件和至少两个温度传感器的中心热膜空气质量计电路。 实施该方法使得使用频率ω周期性地加热至少一个中央加热元件。 借助于至少两个温度传感器,至少检测两个测量信号。 使用频率ω调制至少两个测量信号的测量信号和/或至少一个差分信号。
    • 9. 发明申请
    • Coil for a dynamo electric machine
    • 发电机电机线圈
    • US20050140239A1
    • 2005-06-30
    • US10961047
    • 2004-10-12
    • Thomas KlamtUlrich Wagner
    • Thomas KlamtUlrich Wagner
    • H02K3/04H02K3/12
    • H02K3/12
    • A coil (20) for a dynamo electric machine, particularly for the stator (33) of a hydro-generator, includes a plurality of coil rods (22, 24), running in the axial direction in a sheet metal package, whose rod ends (23, 23′; 25, 25′), which protrude from the sheet metal package, are bent from the axial direction and connected with each other, in pairs, at connection points (26, 26′). In the case of such a coil, simplified manufacturability is achieved by virtue of the fact that the rod ends (23, 23′; 25, 25′), in each case, include several straight sections (28, 30), which are separated from each other by intervening crimps (29, 29′; 32, 34).
    • 一种用于发电机的线圈(20),特别是用于水力发电机的定子(33)的线圈(20)包括多个线圈杆(22,24),其在轴向方向上延伸到金属板包装件中,其杆端 (23,23'; 25,25')从所述钣金包装体突出,从轴向弯曲并成对地连接在连接点(26,26')处。 在这种线圈的情况下,由于在每种情况下杆端部(23,23'; 25,25')包括几个直的部分(28,30),所以可以实现简化的可制造性, 通过插入的卷曲(29,29'; 32,34)彼此相交。