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公开(公告)号：US11346837B2
公开(公告)日：2022-05-31
申请号：US17071466
申请日：2020-10-15
发明人： Bjornar Berge Lie , Hakon Boe
IPC分类号： G01N33/493 , G01N29/024 , G01N29/032
摘要： A method for detecting a property of a liquid medium comprises generating an ultrasonic pulse, receiving a first echo and a second echo of the ultrasonic pulse transmitted through the liquid medium, and generating a first amplitude signal for the first echo and a second amplitude signal for the second echo. The method includes calculating an amplitude signal ratio between the first amplitude signal and the second amplitude signal and determining a property signal representing the property of the liquid medium.
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公开(公告)号：US11318831B2
公开(公告)日：2022-05-03
申请号：US16931037
申请日：2020-07-16
发明人： Bengt Eliassen , Girish Chebbi
摘要： A sensor head for being arranged in an orifice of a fluid tank includes an opening in fluid communication with a fluid return line returning a fluid to the fluid tank and a bubble reducer device disposed at the opening. The bubble reducer device is configured to block bubbles in the fluid in the fluid return line while the fluid passes through the bubble reducer device during operation.
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公开(公告)号：US11946399B2
公开(公告)日：2024-04-02
申请号：US17136196
申请日：2020-12-29
CPC分类号： F01N11/002 , F01N3/2066 , G01K13/00 , F01N2560/06 , F01N2560/14 , F01N2610/02 , F01N2610/1406 , F01N2610/148 , G01K2205/00 , H05K1/028 , H05K1/03 , H05K1/14 , H05K1/147 , H05K2201/10151
摘要： A temperature sensing unit includes a temperature sensor and a substrate including a first region and a second region. The temperature sensor is arranged in the second region. The second region extends away from the first region.
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公开(公告)号：US11300607B2
公开(公告)日：2022-04-12
申请号：US17205527
申请日：2021-03-18
发明人： Hakon Boe
摘要： A method for detecting an open circuit state failure in a piezoelectric element connection includes exciting a piezoelectric element with an excitation signal and monitoring and evaluating an electrical output signal generated by the piezoelectric element in response to the excitation signal. The excitation signal is a pulse train. A frequency of the pulse train is chosen such that the piezoelectric element acts as a low pass filter.
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5.发明申请公开(公告)号：US20210404865A1
公开(公告)日：2021-12-30
申请号：US17360061
申请日：2021-06-28
发明人： Harald Aadland , Yngve Boe
IPC分类号： G01H11/08 , H01L41/08 , H01L41/113 , H01L41/313 , B32B7/12 , B32B7/022
摘要： An attachment system for attaching a sensor to a substrate includes a first layer of adhesive attaching to the sensor and a second layer of adhesive attaching to the substrate. The first layer is attached to the second layer and the first layer differs from the second layer in at least one of elasticity and hardness.
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公开(公告)号：US20210208192A1
公开(公告)日：2021-07-08
申请号：US17205527
申请日：2021-03-18
发明人： Hakon Boe
IPC分类号： G01R31/28
摘要： A method for detecting an open circuit state failure in a piezoelectric element connection includes exciting a piezoelectric element with an excitation signal and monitoring and evaluating an electrical output signal generated by the piezoelectric element in response to the excitation signal. The excitation signal is a pulse train. A frequency of the pulse train is chosen such that the piezoelectric element acts as a low pass filter.
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公开(公告)号：US20210116437A1
公开(公告)日：2021-04-22
申请号：US17071466
申请日：2020-10-15
发明人： Bjornar Berge Lie , Hakon Boe
IPC分类号： G01N33/493 , G01N29/024 , G01N29/032
摘要： A method for detecting a property of a liquid medium comprises generating an ultrasonic pulse, receiving a first echo and a second echo of the ultrasonic pulse transmitted through the liquid medium, and generating a first amplitude signal for the first echo and a second amplitude signal for the second echo. The method includes calculating an amplitude signal ratio between the first amplitude signal and the second amplitude signal and determining a property signal representing the property of the liquid medium.
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公开(公告)号：US20210031618A1
公开(公告)日：2021-02-04
申请号：US16931037
申请日：2020-07-16
发明人： Bengt Eliassen , Girish Chebbi
摘要： A sensor head for being arranged in an orifice of a fluid tank includes an opening in fluid communication with a fluid return line returning a fluid to the fluid tank and a bubble reducer device disposed at the opening. The bubble reducer device is configured to block bubbles in the fluid in the fluid return line while the fluid passes through the bubble reducer device during operation.
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公开(公告)号：US10806032B2
公开(公告)日：2020-10-13
申请号：US16196695
申请日：2018-11-20
发明人： Maciej Ziemak , Ion Grozea , Marcin Rusak , Bengt Eliassen , Conrad Judersleben , Jose Fernandez , Niklas Jansson , Rafael Ferrer Ruiz
摘要： An electronic system for a fluid property sensor comprises a fluid printed circuit board adapted to analyze a property of a fluid, an external connector, and an intermediate printed circuit board. The intermediate printed circuit board is electrically connected between the fluid printed circuit board and the external connector.
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公开(公告)号：US10794734B2
公开(公告)日：2020-10-06
申请号：US15351539
申请日：2016-11-15
发明人： Frank Thomsen
摘要： A debubbling sleeve for a fluid sensor of a sensor system is disclosed. The debubbling sleeve has a receptacle closed circumferentially around a sleeve bottom and a first passageway extending through the sleeve bottom. The receptacle contains the fluid sensor.
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