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公开(公告)号：US20220155271A1
公开(公告)日：2022-05-19
申请号：US17521677
申请日：2021-11-08
Applicant: DIONEX SOFTRON GMBH
Inventor： Martin Rendl
IPC: G01N30/88
Abstract: In a first aspect, the present invention relates to a method of testing a fluidic system. The method comprising applying a fluid with an input fluidic characteristic to the fluidic system, while the fluidic system is in a first configuration, and measuring an output fluidic characteristic. The method also comprises comparing the measured output fluidic characteristic to a reference. In a further aspect the present invention relates to a testing system configured for testing a fluidic system.
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公开(公告)号：US20230033664A1
公开(公告)日：2023-02-02
申请号：US17747734
申请日：2022-05-18
Applicant: Dionex Softron GmbH
Inventor： Martin Rendl , Anne Morgenstern
IPC: G01N30/32
Abstract: The present invention relates to a method of operating a fluidic system, wherein the fluidic system comprises a fluidic resistive element, wherein the method comprises a defined volume flow step, wherein in the defined volume flow step, a defined volume of a fluid is forced to flow out of the fluidic resistive element, wherein the defined volume is the fluid flowing out of the fluidic resistive element in a first time interval defined by a time tstart and a time tend, wherein the defined volume flow step comprises: at the time tstart, switching the system from a first operating state to a second operating state, to bring a pressure in the fluidic resistive element from a first pressure value to a second pressure value, the second pressure value exceeding the first pressure value, and at a time treduce, which is after the time tstart and not later than the time tend, switching the system to a third operating state to bring the pressure in the fluidic resistive element to a third pressure value, the third pressure value being below the second pressure value. The present invention also relates to a corresponding system and a corresponding computer program product.
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公开(公告)号：US10962394B2
公开(公告)日：2021-03-30
申请号：US16114523
申请日：2018-08-28
Applicant: DIONEX SOFTRON GMBH
Inventor： Gervin Ruegenberg , Martin Rendl
IPC: G01F1/696 , G01F25/00 , G01F1/684 , G01F1/688 , G01F1/69 , G01N30/30 , G01N30/36 , G01N30/02 , G01N30/32
Abstract: A method for measuring a flow of a fluid in a tube includes heating the fluid in the tube with a heating element. A first signal is measured with a first temperature sensing element at a first location. A second signal is measured with a second temperature sensing element at a second location. At least one temperature signal is calculated based on the first signal and the second signal. The at least one temperature signal includes a difference temperature signal and a sum temperature signal. The difference temperature signal is calculated based on a difference between the second signal and the first signal. The sum temperature signal is calculated based on a sum of the second signal and the first signal. The flow is derived based on the difference temperature signal, the sum temperature signal, or a combination thereof.
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公开(公告)号：US20230160381A1
公开(公告)日：2023-05-25
申请号：US17937562
申请日：2022-10-03
Applicant: DIONEX SOFTRON GMBH
Inventor： Christoph Hollnagel , Hermann Hochgräber , Martin Rendl , Anne Morgenstern
CPC classification number: F04B49/022 , F04B13/00 , F04B49/03 , F04B2201/0601 , F04B2205/04
Abstract: The present invention relates to a method of loading a fluid into a fluidic element, wherein the method is performed in a fluidic system comprising the fluidic element, wherein the method comprises determining a volume that has flown into the fluidic element since a start time tstart, and at a switching time tswitch, switching the fluidic system to an operating state to stop flow into the fluidic element. The present invention also relates to a fluidic system configured for performing the method, and to a corresponding computer program product.
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Patent Agency Ranking
公开(公告)号：US11567042B2
公开(公告)日：2023-01-31
申请号：US16921425
申请日：2020-07-06
Applicant: DIONEX SOFTRON GMBH
Inventor： Martin Rendl
Abstract: A method for determining a state of a fluidic system can include measuring back pressures in the fluidic system at different times and determining a state of the fluidic system. The determination is based on at least the measured back pressures and on additional status information indicative of at least one status of the fluidic system at at least one of the different times.
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公开(公告)号：US20220229028A1
公开(公告)日：2022-07-21
申请号：US17572776
申请日：2022-01-11
Applicant: DIONEX SOFTRON GMBH
Inventor： Martin Rendl
Abstract: The present invention relates to a method for monitoring, wherein the sample injector comprises a sample storage portion and a volume displacement device. The method comprises obtaining a pressure characteristic indicative for a pressure of the sample storage portion. In addition, the method comprises obtaining a displacement characteristic indicative for a displacement volume of the volume displacement device, when the volume displacement device is fluidically connected to the sample storage portion. Based on the obtained pressure characteristic and the obtained measured displacement characteristic the method comprises determining at least one result. In addition, the present invention relates to a sample injector, sample injector system and a system configured to carry out the method.
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公开(公告)号：US20250153073A1
公开(公告)日：2025-05-15
申请号：US18942315
申请日：2024-11-08
Applicant: Dionex Softron GmbH
Inventor： Martin Rendl , Anne Morgenstern
Abstract: A method for operating a chromatography system comprises the system assuming a first configuration, wherein a first pump is fluidly connected to a first separation column, and a second pump is fluidly connected to a second separation column. Further the method comprises while in the first configuration the first pump providing a fluid to the first separation column, the second pump providing a fluid to the second separation column, determining a second pump target pressure, determining a first pump target pressure based on the second pump target pressure, and setting the first pump to provide fluid at the first pump target pressure. Furthermore, the method comprises the system switching to a second configuration, wherein the first pump is fluidly connected to the second separation column, while the first pump provides fluid at the first pump target pressure. Additionally disclosed are a respective chromatography system and computer program product.
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公开(公告)号：US20230137952A1
公开(公告)日：2023-05-04
申请号：US18146491
申请日：2022-12-27
Applicant: DIONEX SOFTRON GMBH
Inventor： Martin Rendl
Abstract: A method for determining a state of a fluidic system can include measuring back pressures in the fluidic system at different times and determining a state of the fluidic system. The determination is based on at least the measured back pressures and on additional status information indicative of at least one status of the fluidic system at at least one of the different times.
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公开(公告)号：US20210003540A1
公开(公告)日：2021-01-07
申请号：US16921425
申请日：2020-07-06
Applicant: DIONEX SOFTRON GMBH
Inventor： Martin Rendl
Abstract: A method for determining a state of a fluidic system can include measuring back pressures in the fluidic system at different times and determining a state of the fluidic system. The determination is based on at least the measured back pressures and on additional status information indicative of at least one status of the fluidic system at at least one of the different times.
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