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    • 1. 发明授权
    • Process for determining the state of charge and the peak current
loadability of batteries
    • 确定电池状态和电池峰值电流负载能力的方法
    • US6163133A
    • 2000-12-19
    • US417650
    • 1999-10-14
    • Helmut Laig-HorstebrockEberhard MeissnerDieter UbermeierKarsten MichelsUwe Dierker
    • Helmut Laig-HorstebrockEberhard MeissnerDieter UbermeierKarsten MichelsUwe Dierker
    • G01R19/00G01R31/36H01M10/48H02J7/00
    • G01R31/362G01R31/3668G01R31/3693
    • In a process for determining the state of charge and the peak current loadability of batteries in the currentless pauses before and after a loading phase the no-load voltages U.sub.01 and U.sub.02 are measured. From them, with allowance for battery-specific parameters, especially the time curve of the no-load voltage, the true battery rest voltages U.sub.001 and U.sub.002 are computed. During the loading phase the converted current quantity q is measured and from the relationship U.sub.002 -U.sub.001 =C.sub.1 .multidot.q/Q.sub.0 the acid capacity Q.sub.0 of the battery is found. The relative state of charge SOC.sub.1 is determined from a curve of the rest voltage U.sub.00 linearized by the formula SOC.sub.1 =U.sub.002 /C.sub.1 -C.sub.2 as a function of the state of charge of the battery from which the absolute state of charge is calculated as SOC.sub.1 .multidot.Q.sub.0.From the internal resistance R.sub.1, a preassigned temperature and the last determined state of charge, a rest voltage is predicted for a later time from which, with the current necessary for starting the engine known, a pronouncement can be derived concerning the starting capacity of the battery.
    • 在负载阶段之前和之后,在无电流暂停期间确定电池的充电状态和峰值电流负载能力的过程中,测量空载电压U01和U02。 从他们那里,除了电池特定的参数,特别是空载电压的时间曲线,计算出真正的电池组电压U001和U002。 在加载阶段,测量转换后的电流量q,根据U002-U001 = C1xq / Q0的关系,可以发现电池的酸容量Q0。 根据作为SOC1×Q0计算绝对电荷状态的电池的充电状态的函数,由公式SOC1 = U002 / C1-C2线性化的静止电压U00的曲线确定相对充电状态SOC1。 从内部电阻R1,预先指定的温度和最后确定的充电状态,预测一个较晚时间的静止电压,从此可以从已知的启动发动机所需的电流中获得关于起动容量的声明 电池。
    • 4. 发明授权
    • Method for controlling a cooling circuit for an internal-combustion
engine using a coolant temperature difference value
    • 使用冷却剂温度差值控制用于内燃机的冷却回路的方法
    • US5724924A
    • 1998-03-10
    • US611344
    • 1996-02-06
    • Karsten Michels
    • Karsten Michels
    • F01P7/04F01P7/16F01P7/02
    • F01P7/044F01P7/164F01P2023/08F01P2025/30F01P2025/32F01P2025/62F01P2025/64F01P2025/66F01P2031/30F01P2037/02F01P2060/04F01P2060/045F01P2060/08F01P7/167
    • A method for controlling a cooling circuit of an internal combustion engine which includes a coolant pump for adjusting a coolant flow rate, a radiator in which heat is exchanged between the coolant and an air flow which can be controlled by a fan, and a control unit which controls at least the speed of the coolant pump and of the fan as a function of a required temperature value of the coolant. In order to shorten the warm-up phase of the engine and to minimize the power consumption of the pump and of the fan when the coolant temperature is below a selected low level, the speed of the coolant pump and the speed of the fan are controlled based on maintaining a required temperature difference of the coolant between the inlet and the outlet of the engine and, after the selected low level has been reached, the speed of the coolant pump and of the fan are controlled both as a function of the required temperature difference and of a required coolant temperature level at the engine outlet.
    • 一种用于控制内燃机的冷却回路的方法,所述内燃机的冷却回路包括用于调节冷却剂流量的冷却剂泵,散热器,其中在所述冷却剂和可由风扇控制的空气流之间进行热交换;散热器,以及控制单元 其至少控制冷却剂泵和风扇的速度作为冷却剂的所需温度值的函数。 为了缩短发动机的预热阶段,并且当冷却剂温度低于选定的低水平时,最小化泵和风扇的功率消耗,控制冷却剂泵的速度和风扇的速度 基于在发动机的入口和出口之间保持冷却剂所需的温度差,并且在达到所选择的低水位之后,冷却剂泵和风扇的速度被控制为所需温度的函数 差异和发动机出口处所需的冷却液温度水平。