EP4724876A1 - Kapillardurchflussregler mit membranregelung, abtastanordnung und verfahren zur abtastung - Google Patents

Kapillardurchflussregler mit membranregelung, abtastanordnung und verfahren zur abtastung

Info

Publication number
EP4724876A1
EP4724876A1 EP24738110.6A EP24738110A EP4724876A1 EP 4724876 A1 EP4724876 A1 EP 4724876A1 EP 24738110 A EP24738110 A EP 24738110A EP 4724876 A1 EP4724876 A1 EP 4724876A1
Authority
EP
European Patent Office
Prior art keywords
flow controller
diaphragm
regulated
capillary flow
sampling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP24738110.6A
Other languages
English (en)
French (fr)
Inventor
Jason S. HERRINGTON
Gary STIDSEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Restek Corp
Original Assignee
Restek Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Restek Corp filed Critical Restek Corp
Publication of EP4724876A1 publication Critical patent/EP4724876A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/01—Control of flow without auxiliary power
    • G05D7/0106—Control of flow without auxiliary power the sensing element being a flexible member, e.g. bellows, diaphragm, capsule
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40—Details of construction of the flow constriction devices
    • G01F1/42—Orifices or nozzles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/005—Valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2273—Atmospheric sampling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/24—Suction devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/24—Suction devices
    • G01N2001/248—Evacuated containers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Automation & Control Theory (AREA)
  • Sampling And Sample Adjustment (AREA)
EP24738110.6A 2023-06-06 2024-06-06 Kapillardurchflussregler mit membranregelung, abtastanordnung und verfahren zur abtastung Pending EP4724876A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363471348P 2023-06-06 2023-06-06
PCT/US2024/032688 WO2024254230A1 (en) 2023-06-06 2024-06-06 Diaphragm-regulated capillary flow controller, sampling assembly, and method for sampling

Publications (1)

Publication Number Publication Date
EP4724876A1 true EP4724876A1 (de) 2026-04-15

Family

ID=91782414

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24738110.6A Pending EP4724876A1 (de) 2023-06-06 2024-06-06 Kapillardurchflussregler mit membranregelung, abtastanordnung und verfahren zur abtastung

Country Status (2)

Country Link
EP (1) EP4724876A1 (de)
WO (1) WO2024254230A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299220A (en) * 1979-05-03 1981-11-10 The Regents Of The University Of Minnesota Implantable drug infusion regulator
GB9509577D0 (en) 1995-05-11 1995-07-05 Martinex R & D Inc Capillary sampling flow controller
FR2755522B1 (fr) * 1996-11-05 1998-12-18 Air Liquide Dispositif de regulation de l'ecoulement de gaz ayant des masses molaires sensiblement differentes
WO2020118255A1 (en) * 2018-12-07 2020-06-11 Element Biosciences, Inc. Flow cell device and use thereof
US20210325357A1 (en) 2020-04-17 2021-10-21 Entech Instruments Inc. Flow Controller and Method of Use

Also Published As

Publication number Publication date
WO2024254230A1 (en) 2024-12-12

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