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1. 发明申请

US20170282225A1 METHOD FOR CARRYING OUT A CLEANING PROCESS IN A TANK CONTAINER 审中-公开
公开(公告)号：US20170282225A1
公开(公告)日：2017-10-05
申请号：US15470979
申请日：2017-03-28
申请人： IFM ELECTRONIC GMBH
发明人： Walter Reichart , Ralf Kriesen , Lorenz Halbinger
IPC分类号： B08B9/093 , B08B9/46
CPC分类号： B08B9/093 , B08B9/46
摘要： The invention relates to a method for the time control of an automated cleaning process in a tank container, wherein during the cleaning process cleaning liquid is sprayed onto the inner wall of the tank container by means of a spray head. According to the invention the following method steps are provided: detecting the heat removal of a heating element disposed in the flow-off area of the cleaning liquid; continuous determination of the state value of the cleaning liquid with regard to the two variables degree of contamination and spray rate by means of the heat removal; comparing the state value of the cleaning liquid in a quasi-stationary state with a target state value; and terminating the cleaning process when the current state value differs by less than a default value from a target state value.

2. 发明授权

US10724882B2 Thermal flowmeter and method having a self-heated element controlled to operate differently under high and low phases of square wave signal 有权
公开(公告)号：US10724882B2
公开(公告)日：2020-07-28
申请号：US15776623
申请日：2016-11-24
申请人： IFM ELECTRONIC GMBH
发明人： Walter Reichart , Markus Körber , Christian Kreisel , Ralf Kriesen
IPC分类号： G01F1/69 , G01F1/698 , G01F1/699
摘要： A thermal flowmeter comprises a heating element thermally coupled to a flowing medium, a first temperature sensor and second temperature sensor. The first temperature sensor detects a flowing medium temperature in a region not affected by the heating element. The second temperature sensor detects a temperature of the heating element and also serves as a heating element. A control unit controls heating power of the heating element based on the difference between the detected temperatures at a predetermined time. The control unit provides a square wave signal to the second temperature sensor so that in a high phase it acts as heating element and in a low phase as a temperature sensor.

3. 发明申请

US20150168188A1 MAGNETIC INDUCTIVE FLOW METER 有权
标题翻译：磁感应流量计
公开(公告)号：US20150168188A1
公开(公告)日：2015-06-18
申请号：US14405309
申请日：2013-07-23
申请人： IFM ELECTRONIC GMBH
发明人： Walter Reichart , Christian Kreisel , Ralf Kriesen , Markus Körber , Sebastian Liehr , Werner Hoch
IPC分类号： G01F1/58
CPC分类号： G01F1/584 , G01F1/588 , G01F15/00 , G01F15/14
摘要： A magnetoinductive flowmeter for measuring the flow rate of a flowing, conductive medium with a capacitive measuring apparatus for detecting empty pipes is provided. In order to improve the detection of empty pipes and, in particular, the capacitive coupling to the medium, the invention provides for the measuring apparatus for detecting empty pipes to comprise a sheet-like electrode in each case and a counterelectrode which form a measurement capacitance CMess which is dependent on the medium and on the degree of filling of the measuring tube; for the measuring tube to have a wall thickness which is reduced in order to maximize the measurement capacitance CMess at least in the region of the electrode and the counterelectrode; and for the measuring tube to be surrounded by a metal supporting housing, wherein, in order to maintain the pressure resistance of the measuring tube, a hollow-walled supporting body for minimizing the influence of parasitic capacitances on the measurement capacitance CMess is arranged in each case in the region of the reduced wall thickness between the electrode and the inner wall of the supporting housing and between the counterelectrode and the inner wall of the supporting housing and supports the measuring tube against the supporting housing in each case.
摘要翻译：提供了一种用于测量具有用于检测空管的电容测量装置的流动导电介质的流量的磁感应流量计。为了改进对空管的检测，特别是与介质的电容耦合，本发明提供了用于检测空管的测量装置，以便在每种情况下包括片状电极和形成测量电容的反电极 CMess取决于介质和测量管的填充程度; 用于测量管具有减小的壁厚，以便至少在电极和对电极的区域中最大化测量电容CMess; 并且测量管被金属支撑壳体包围，其中为了保持测量管的耐压性，在每个中布置了用于最小化寄生电容对测量电容CMess的影响的中空壁支撑体在电极和支撑壳体的内壁之间以及反电极和支撑壳体的内壁之间的壁厚减小的区域中的壳体，并且在每种情况下将测量管支撑在支撑壳体上。

4. 发明授权

US09395220B2 Magnetic inductive flow meter having capacitive measuring device for empty pipe detection 有权
标题翻译：具有用于空管检测的电容测量装置的磁感应流量计
公开(公告)号：US09395220B2
公开(公告)日：2016-07-19
申请号：US14405309
申请日：2013-07-23
申请人： IFM ELECTRONIC GMBH
发明人： Walter Reichart , Christian Kreisel , Ralf Kriesen , Markus Körber , Sebastian Liehr , Werner Hoch
IPC分类号： G01F1/58 , G01F15/00 , G01F15/14
CPC分类号： G01F1/584 , G01F1/588 , G01F15/00 , G01F15/14
摘要： A magnetoinductive flowmeter for measuring the flow rate of a flowing, conductive medium with a capacitive measuring apparatus for detecting empty pipes is provided. In order to improve the detection of empty pipes and, in particular, the capacitive coupling to the medium, the invention provides for the measuring apparatus for detecting empty pipes to comprise a sheet-like electrode in each case and a counterelectrode which form a measurement capacitance CMess which is dependent on the medium and on the degree of filling of the measuring tube; for the measuring tube to have a wall thickness which is reduced in order to maximize the measurement capacitance CMess at least in the region of the electrode and the counterelectrode; and for the measuring tube to be surrounded by a metal supporting housing, wherein, in order to maintain the pressure resistance of the measuring tube, a hollow-walled supporting body for minimizing the influence of parasitic capacitances on the measurement capacitance CMess is arranged in each case in the region of the reduced wall thickness between the electrode and the inner wall of the supporting housing and between the counterelectrode and the inner wall of the supporting housing and supports the measuring tube against the supporting housing in each case.
摘要翻译：提供了一种用于测量具有用于检测空管的电容测量装置的流动导电介质的流量的磁感应流量计。为了改进对空管的检测，特别是与介质的电容耦合，本发明提供了用于检测空管的测量装置，以便在每种情况下包括片状电极和形成测量电容的反电极 CMess取决于介质和测量管的填充程度; 用于测量管具有减小的壁厚，以便至少在电极和对电极的区域中最大化测量电容CMess; 并且测量管被金属支撑壳体包围，其中为了保持测量管的耐压性，在每个中布置了用于最小化寄生电容对测量电容CMess的影响的中空壁支撑体在电极和支撑壳体的内壁之间以及反电极和支撑壳体的内壁之间的壁厚减小的区域中的壳体，并且在每种情况下将测量管支撑在支撑壳体上。

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