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    • 6. 发明授权
    • Flowmeter and flowmeter system
    • 流量计和流量计系统
    • US07457711B2
    • 2008-11-25
    • US11442158
    • 2006-05-30
    • Atsushi KankeMasahiro MatsumotoShinya IgarashiKeiji HanzawaKei Ueyama
    • Atsushi KankeMasahiro MatsumotoShinya IgarashiKeiji HanzawaKei Ueyama
    • G01F1/00
    • G01F1/6965G01F1/6845G01F1/696G01F1/72
    • In a thermal-type airflow meter that measures an intake airflow rate in an internal combustion engine of an automobile or the like, there has been a problem that pulsation errors caused by external fluctuations under the environment including a large pulsation and reverse flow in the intake valve are difficult to be reduced. In order to solve this problem, the invention provides a flowmeter comprising a detection element that outputs a non-linear signal corresponding to a flow rate, and a regulation means that regulates an output signal of the detection element for controlling. With this construction, the regulation means executes output regulation processing that regulates irregularities of the detection element in the output signal, and inequality linearization processing that regulates an average value of the output signal after the output regulation processing by means of regulating parameters.
    • 在测量汽车等的内燃机中的进气量的热式气流计中,存在由于在进气中具有大的脉动和反向流动的环境下的外部波动引起的脉动误差的问题 阀门难以减少。 为了解决这个问题,本发明提供了一种流量计,其包括:输出对应于流量的非线性信号的检测元件;以及调节装置,用于调节用于控制的检测元件的输出信号。 利用这种结构,调节装置执行调节输出信号中的检测元件的不规则性的输出调节处理,以及通过调节参数来调节输出调节处理之后的输出信号的平均值的不等式线性化处理。
    • 7. 发明申请
    • Themal Type Flow Rate Measurement Apparatus
    • 热式流量测量装置
    • US20080092645A1
    • 2008-04-24
    • US11667456
    • 2004-11-11
    • Atsushi Kanke
    • Atsushi Kanke
    • G01F1/68
    • G01F1/6965G01F1/6845G01F1/72
    • Thermal type flow rate meters for measuring the flow rate of intake air of an internal combustion engine of a motor vehicle or the like have encountered a problem of an increase in pulsation errors during high engine speed and high pulsation. Meanwhile, digitally recovering responses has posed a problem in which pulsation performance is liable to become worse, affected by variation in a clock or the like. The sensor is provided with means for transferring a response variation factor to the engine control unit. The engine control unit is provided with logics for automatically determining the variation factor and correcting a response. Means for detecting a backflow occurrence is provided and a parameter for a response recovery is changed before and after a backflow occurrence. The sensor is provided with a selecting means by which a sensor response can be selected and obtained and the engine control unit is provided means for allowing selection of a response.
    • 用于测量机动车辆等的内燃机的进气的流量的热式流量计已经遇到在高发动机转速和高脉动期间脉动误差增加的问题。 同时,数字恢复响应已经引起了脉动性能容易变差的问题,受到时钟等的变化的影响。 传感器具有用于将响应变化因子传递到发动机控制单元的装置。 发动机控制单元具有用于自动确定变化因子和校正响应的逻辑。 提供用于检测回流发生的装置,并且在回流发生之前和之后改变响应恢复的参数。 该传感器设置有选择装置,通过该选择装置可以选择和获得传感器响应,并且提供引擎控制单元以允许选择响应。
    • 10. 发明授权
    • Flowmeter and flowmeter system
    • 流量计和流量计系统
    • US06839643B2
    • 2005-01-04
    • US10253542
    • 2002-09-25
    • Atsushi KankeMasahiro MatsumotoShinya IgarashiKeiji HanzawaKei Ueyama
    • Atsushi KankeMasahiro MatsumotoShinya IgarashiKeiji HanzawaKei Ueyama
    • G01F1/00F02D45/00G01F1/38G01F1/68G01F1/684G01F1/696G01F1/72G06F19/00
    • G01F1/6965G01F1/6845G01F1/696G01F1/72
    • In a thermal-type airflow meter that measures an intake airflow rate in an internal combustion engine of an automobile or the like, there has been a problem that pulsation errors caused by external fluctuations under the environment including a large pulsation and reverse flow in the intake valve are difficult to be reduced. In order to solve this problem, the invention provides a flowmeter comprising a detection element that outputs a non-linear signal corresponding to a flow rate, and a regulation means that regulates an output signal of the detection element for controlling. With this construction, the regulation means executes output regulation processing that regulates irregularities of the detection element in the output signal, and inequality linearization processing that regulates an average value of the output signal after the output regulation processing by means of regulating parameters.
    • 在测量汽车等的内燃机中的进气量的热式气流计中,存在由于在进气中具有大的脉动和反向流动的环境下的外部波动引起的脉动误差的问题 阀门难以减少。 为了解决这个问题,本发明提供了一种流量计,其包括:输出对应于流量的非线性信号的检测元件;以及调节装置,用于调节用于控制的检测元件的输出信号。 利用这种结构,调节装置执行调节输出信号中的检测元件的不规则性的输出调节处理,以及通过调节参数来调节输出调节处理之后的输出信号的平均值的不等式线性化处理。