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    • 4. 发明授权
    • Device for measuring the mass of a flowing medium
    • 用于测量流动介质质量的装置
    • US5712425A
    • 1998-01-27
    • US682599
    • 1996-08-26
    • Hans HechtHeinz RillingStefan LehenbergerUwe Konzelmann
    • Hans HechtHeinz RillingStefan LehenbergerUwe Konzelmann
    • G01F1/68G01F1/684G01F1/69G01F1/72G01F5/00G01M19/00
    • G01F5/00G01F1/684G01F1/6842
    • A device for measuring the mass of a flowing medium by use of a temperature-dependent measuring resistor bathed by the flowing medium and accommodated in a measuring channel. The device has a flow obstacle, embodied in the form of a trip edge, upstream of the measuring element in the region of an inlet opening of the measuring channel, so as to create a chronologically and spatially stable separation zone in the region of the trip edge, thereby preventing chronologically and spatially unstable separation zones and makes it possible to attain a reduction in measuring signal noise. The invention is contemplated for measuring the mass of a flowing medium, especially for measuring the aspirated air mass in internal combustion engines.
    • PCT No.PCT / DE95 / 01477 Sec。 371日期:1996年8月26日 102(e)日期1996年8月26日PCT提交1995年10月24日PCT公布。 公开号WO96 / 16317 日期:1996年5月30日一种用于通过流动介质沐浴并容纳在测量通道中的温度依赖测量电阻来测量流动介质的质量的装置。 该装置具有流动障碍物,其以测量通道的入口开口的区域中的跳脱边缘的形式体现在测量元件的上游,以便在跳闸区域中产生按时间顺序和空间上稳定的分离区域 从而防止了时间顺序和空间上不稳定的分离区,并且可以实现测量信号噪声的降低。 本发明考虑用于测量流动介质的质量,特别是用于测量内燃机中吸入的空气质量。
    • 5. 发明授权
    • Method and device for determining gas flow
    • 用于确定气流的方法和装置
    • US06820482B2
    • 2004-11-23
    • US10169630
    • 2003-01-03
    • Manfred LembkeHans HechtUwe Konzelmann
    • Manfred LembkeHans HechtUwe Konzelmann
    • G01F168
    • G01P5/12G01F1/6845
    • A gas flow determination method and a corresponding gas flow determination device. A sensor device including a diaphragm and a frame enclosing it is provided; a predetermined temperature profile is created on the diaphragm; the gas flow to be determined is directed over the diaphragm in a predetermined direction of flow; the change in the temperature profile caused by the gas flow is detected; and the gas flow is determined on the basis of the change thus detected. The temperature at a third location on the diaphragm upstream from the first location and optionally at a fourth location downstream from the second location is regulated at a value corresponding to the local value of the predetermined temperature profile. In this manner, the effect of soiling on the diaphragm may be minimized effectively.
    • 一种气体流量测定方法和相应的气体流量测定装置。 提供包括隔膜和包围其的框架的传感器装置; 在隔膜上形成预定的温度曲线; 要确定的气流以预定的流动方向指向隔膜; 检测由气流导致的温度分布的变化; 并且基于由此检测到的变化确定气体流量。 在第一位置上游并且可选地位于第二位置下游的第四位置处的膜片上的第三位置处的温度被调节为对应于预定温度曲线的局部值的值。 以这种方式,可以有效地使隔膜上的污垢的效果最小化。
    • 7. 发明授权
    • Device for measuring the mass of a flowing medium
    • 用于测量流动介质质量的装置
    • US06591675B1
    • 2003-07-15
    • US09830164
    • 2001-10-22
    • Klaus DodererHans HechtGerhard HueftleManfred StrohrmannRainer SchardUwe Konzelmann
    • Klaus DodererHans HechtGerhard HueftleManfred StrohrmannRainer SchardUwe Konzelmann
    • G01F168
    • G01F1/6845G01F1/6842
    • The invention relates to a device having a sensor carrier, which comprises a sheet-metal element and a plastic element and on which a measuring element introduced into the flowing medium is disposed. The use of plastic, which for the most part covers the sheet-metal element, means closer tolerances, which improve the performance of the sensor carrier both in terms of its facing into the flow and experiencing a flow around it, for instance by providing it with an improved aerodynamic leading edge, or the measuring element can be mounted flush to the surface and flush with edges of a sensor cavern, so that no turbulence occurs in the medium in the region of the measuring element or flow under the measuring element. The sensor region of the measuring element is reliably protected by recesses in the longitudinal edges and by a special adhesive bonding process from a gel emerging from the electronic evaluation circuit, so that the measuring characteristic curve behavior is not altered.
    • 本发明涉及一种具有传感器载体的装置,该传感器载体包括片状金属元件和塑料元件,并且在其上设置引入到流动介质中的测量元件。 使用大部分覆盖金属板元件的塑料意味着较小的公差,其改善了传感器载体在其面向流动并且经历其周围的流动方面的性能,例如通过提供它 具有改进的空气动力学前沿,或者测量元件可以平齐地安装到表面并与传感器洞穴的边缘齐平,使得在测量元件区域中的介质或测量元件下方的流动中不会发生湍流。 测量元件的传感器区域通过纵向边缘中的凹槽以及通过从电子评估电路出来的凝胶的特殊粘合工艺被可靠地保护,使得测量特性曲线行为不改变。
    • 10. 发明授权
    • Device for measuring the mass of a flowing medium
    • 用于测量流动介质质量的装置
    • US06176131B1
    • 2001-01-23
    • US09169946
    • 1998-10-13
    • Hans HechtAlexander KromerUwe KonzelmannHenning Marberg
    • Hans HechtAlexander KromerUwe KonzelmannHenning Marberg
    • G01F168
    • G01F1/684G01F1/6845
    • Known sensor supports have a recess in which a sensor element is glued by means of an adhesive. The device according to the invention has a plate-shaped sensor element that is accommodated in a recess of a sensor support. A sensor region (3) has at least one measurement resistor, which region is exposed to the flowing medium wherein a gap remains between the sensor element and the recess. To protect an evaluation circuit connected to the sensor element against moisture, the provision is made, according to the invention, that at least partial regions of the evaluation circuit and partial regions of the sensor element are covered by a protective coating, wherein the gap has at least one enlargement by means of which the flow of the protective coating can be influenced. The device according to the invention is used for measuring the mass of a flowing medium in the intake air mass of internal combustion engines.
    • 已知的传感器支架具有凹部,传感器元件借助于粘合剂粘合在该凹部中。 根据本发明的装置具有容纳在传感器支撑件的凹部中的板状传感器元件。 传感器区域(3)具有至少一个测量电阻器,该区域暴露于流动介质中,其中间隙保留在传感器元件和凹部之间。 为了保护连接到传感器元件的评估电路免受潮湿的影响,根据本发明,提供评估电路的至少部分区域和传感器元件的部分区域被保护涂层覆盖,其中间隙具有 可以影响保护涂层的流动的至少一个放大图。 根据本发明的装置用于测量内燃机的进气体中的流动介质的质量。