SG11201913816TA - Multi-flux micro-fluidic chip based on active fluid flow control - Google Patents

Multi-flux micro-fluidic chip based on active fluid flow control

Info

Publication number
SG11201913816TA
SG11201913816TA SG11201913816TA SG11201913816TA SG11201913816TA SG 11201913816T A SG11201913816T A SG 11201913816TA SG 11201913816T A SG11201913816T A SG 11201913816TA SG 11201913816T A SG11201913816T A SG 11201913816TA SG 11201913816T A SG11201913816T A SG 11201913816TA
Authority
SG
Singapore
Prior art keywords
fluid flow
flow control
fluidic chip
chip based
active fluid
Prior art date
Application number
SG11201913816TA
Other languages
English (en)
Inventor
Xingshang Xu
Jeffery Chen
Long Wang
Weiyan Sun
Qilu Wan
Shen Yang
Original Assignee
Nanjing Lansion Biotechnology Co Ltd
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 Nanjing Lansion Biotechnology Co Ltd filed Critical Nanjing Lansion Biotechnology Co Ltd
Publication of SG11201913816TA publication Critical patent/SG11201913816TA/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
    • B01L3/50273—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the means or forces applied to move the fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
    • B01L3/502738—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by integrated valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
    • B01L3/502746—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the means for controlling flow resistance, e.g. flow controllers, baffles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K99/0001—Microvalves
    • F16K99/0034—Operating means specially adapted for microvalves
    • F16K99/0042—Electric operating means therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54393—Improving reaction conditions or stability, e.g. by coating or irradiation of surface, by reduction of non-specific binding, by promotion of specific binding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/10—Integrating sample preparation and analysis in single entity, e.g. lab-on-a-chip concept
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/06—Auxiliary integrated devices, integrated components
    • B01L2300/069—Absorbents; Gels to retain a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
    • B01L2300/0864—Configuration of multiple channels and/or chambers in a single devices comprising only one inlet and multiple receiving wells, e.g. for separation, splitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
    • B01L2300/0867—Multiple inlets and one sample wells, e.g. mixing, dilution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
    • B01L2300/0874—Three dimensional network
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0887—Laminated structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/04—Moving fluids with specific forces or mechanical means
    • B01L2400/0475—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure
    • B01L2400/0487—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure fluid pressure, pneumatics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/06—Valves, specific forms thereof
    • B01L2400/0633—Valves, specific forms thereof with moving parts
    • B01L2400/0655—Valves, specific forms thereof with moving parts pinch valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/08—Regulating or influencing the flow resistance
    • B01L2400/082—Active control of flow resistance, e.g. flow controllers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/08—Regulating or influencing the flow resistance
    • B01L2400/084—Passive control of flow resistance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Clinical Laboratory Science (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Urology & Nephrology (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Medicinal Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Cell Biology (AREA)
  • Biotechnology (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
SG11201913816TA 2017-07-03 2017-12-06 Multi-flux micro-fluidic chip based on active fluid flow control SG11201913816TA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710531302.5A CN107225006B (zh) 2017-07-03 2017-07-03 基于主动控制液体流动的多通量微流控芯片
PCT/CN2017/114690 WO2019006977A1 (zh) 2017-07-03 2017-12-06 基于主动控制液体流动的多通量微流控芯片

Publications (1)

Publication Number Publication Date
SG11201913816TA true SG11201913816TA (en) 2020-01-30

Family

ID=59956852

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201913816TA SG11201913816TA (en) 2017-07-03 2017-12-06 Multi-flux micro-fluidic chip based on active fluid flow control

Country Status (5)

Country Link
US (1) US10761092B2 (zh)
EP (1) EP3470143B1 (zh)
CN (1) CN107225006B (zh)
SG (1) SG11201913816TA (zh)
WO (1) WO2019006977A1 (zh)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107225006B (zh) 2017-07-03 2018-04-03 南京岚煜生物科技有限公司 基于主动控制液体流动的多通量微流控芯片
CN107219360B (zh) 2017-07-03 2018-04-03 南京岚煜生物科技有限公司 单通道化学发光微流控芯片及其检测方法
CN107739706B (zh) * 2017-09-26 2020-04-14 南京岚煜生物科技有限公司 主动控制流路的多通量微流控核酸检测芯片及其使用方法
CN108169301A (zh) * 2018-03-15 2018-06-15 宁波雪弗尔生物科技有限公司 一种高通量定量检测核酸反应密闭实验系统装置
CN108371961B (zh) * 2018-04-04 2019-03-29 南京岚煜生物科技有限公司 具有显色本底检测功能的微流控芯片及其检测方法
CN109100525B (zh) * 2018-09-08 2023-07-28 重庆科技学院 一种多通道检测用纸基微流控芯片的使用方法
CN109453826B (zh) * 2018-12-06 2021-03-26 昆明市儿童医院 一种利用Semaphorin 4D诊断急性白血病的微流控芯片
CN109738632B (zh) * 2019-01-09 2022-04-29 南京岚煜生物科技有限公司 多指标微流控芯片及其使用方法
CN110124758B (zh) * 2019-05-12 2024-03-19 南京岚煜生物科技有限公司 微流控芯片的进样腔及单指标微流控芯片
CN110684656A (zh) * 2019-06-29 2020-01-14 东南大学 一种基于sers技术的集成微流控芯片平台
CN110320353B (zh) * 2019-07-20 2020-09-22 中国人民解放军总医院 一种应用于高原环境的荧光免疫分析仪及样本检测方法
CN113804658B (zh) * 2020-06-11 2023-06-06 京东方科技集团股份有限公司 微流控流道结构、检测系统及其使用方法
CN111841669B (zh) * 2020-06-19 2023-10-20 华中科技大学同济医学院附属同济医院 一种用于微生物检测的pcr芯片及基于该pcr芯片的液滴分配方法
CN111715149B (zh) * 2020-07-11 2023-02-14 深圳市和来生物技术有限公司 基于时序控制的定量加液装置、方法以及微流控芯片
CN111804355A (zh) * 2020-07-15 2020-10-23 上海理工大学 一种用于电渗流传输的微通道结构及装置
CN111812085A (zh) * 2020-07-27 2020-10-23 重庆大学 一种发酵黄水检测装置
CN111929460B (zh) * 2020-08-19 2024-03-01 河南科技大学 一种适用于微流控自动检测用取样、芯片及进液控制装置
WO2022125071A1 (en) * 2020-12-08 2022-06-16 Hp Health Solutions Inc. Input port seals
CN113234571B (zh) * 2021-04-29 2023-08-25 杭州霆科生物科技有限公司 一种高通量酶筛选芯片
TWI786896B (zh) * 2021-10-21 2022-12-11 醫流體股份有限公司 指壓式電晶體微流道晶片及其操作方法
CN114062632B (zh) * 2021-11-17 2023-12-29 扬州大学 一种基于纳米颗粒酶联增敏的镉离子微流控检测方法
CN114152606B (zh) * 2021-12-02 2023-02-21 武汉新烽光电股份有限公司 一种基于微流控盘芯片水质监测设备及监测系统
CN114308163B (zh) * 2021-12-31 2024-01-09 北京京东方技术开发有限公司 微流控芯片检测卡盒
CN114507593B (zh) * 2022-01-29 2023-10-17 扬州大学 一种集成便携式药敏检测芯片
CN115069316B (zh) * 2022-06-21 2023-08-04 扬州大学 一种能同时检测多种体液的芯片
CN115074229B (zh) * 2022-07-21 2023-08-11 北京泰豪生物科技有限公司 套式生化反应芯片以及生物检测装置
CN115074233B (zh) * 2022-07-21 2023-08-11 北京泰豪生物科技有限公司 生化反应芯片和生化反应设备
CN116532175B (zh) * 2023-07-06 2023-10-13 北京中医药大学 辊压式微流控芯片及控制方法

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5770029A (en) * 1996-07-30 1998-06-23 Soane Biosciences Integrated electrophoretic microdevices
US6637463B1 (en) * 1998-10-13 2003-10-28 Biomicro Systems, Inc. Multi-channel microfluidic system design with balanced fluid flow distribution
US6062261A (en) * 1998-12-16 2000-05-16 Lockheed Martin Energy Research Corporation MicrofluIdic circuit designs for performing electrokinetic manipulations that reduce the number of voltage sources and fluid reservoirs
US7004184B2 (en) * 2000-07-24 2006-02-28 The Reagents Of The University Of Michigan Compositions and methods for liquid metering in microchannels
KR100916074B1 (ko) * 2001-03-09 2009-09-08 바이오마이크로 시스템즈, 인크. 어레이에 대한 마이크로유체 인터페이스 방법 및인터페이스용 시스템
DE50105368D1 (de) 2001-06-28 2005-03-24 Agilent Technologies Inc Mikrofluid-System mit Regler
US6919058B2 (en) * 2001-08-28 2005-07-19 Gyros Ab Retaining microfluidic microcavity and other microfluidic structures
US20040109793A1 (en) * 2002-02-07 2004-06-10 Mcneely Michael R Three-dimensional microfluidics incorporating passive fluid control structures
WO2003072254A1 (en) 2002-02-22 2003-09-04 Nanostream, Inc. Ratiometric dilution devices and methods
WO2006032044A2 (en) * 2004-09-15 2006-03-23 Microchip Biotechnologies, Inc. Microfluidic devices
US8936945B2 (en) * 2005-11-17 2015-01-20 The Regents Of The University Of Michigan Compositions and methods for liquid metering in microchannels
US7598091B2 (en) * 2006-04-04 2009-10-06 Micropoint Bioscience, Inc. Micromachined diagnostic device with controlled flow of fluid and reaction
EP2008716A1 (en) 2007-06-28 2008-12-31 Bp Oil International Limited Sample plate
WO2009136600A1 (ja) * 2008-05-09 2009-11-12 コニカミノルタエムジー株式会社 マイクロチップ、マイクロチップ送液システム、及びマイクロチップの送液方法
US9731297B2 (en) * 2011-01-06 2017-08-15 Meso Scale Technologies, Llc. Assay cartridges and methods of using the same
TWI475226B (zh) 2012-08-01 2015-03-01 Univ Feng Chia 利用分流結構進行生化檢測之裝置及其運作方法
CN203899622U (zh) 2014-06-19 2014-10-29 博奥生物集团有限公司 一种微流控芯片
WO2016200922A1 (en) * 2015-06-12 2016-12-15 Cytochip Inc. Fluidic units and cartridges for multi-analyte analysis
CN205127986U (zh) 2015-09-24 2016-04-06 基蛋生物科技股份有限公司 一种定量分流的多指标检测微流控芯片
EP3405285A4 (en) * 2016-01-20 2019-06-19 Triv Tech, LLC DELOCALIZED NUCLEIC ACID AMPLIFICATION AND DETECTION
CN205797240U (zh) * 2016-05-18 2016-12-14 博奥生物集团有限公司 一种集成化微流控芯片
CN205941345U (zh) 2016-08-03 2017-02-08 天津喜诺生物医药有限公司 用于生物检测的微流控芯片
CN106353491A (zh) 2016-09-14 2017-01-25 苏州康容生物医疗科技有限公司 微流控床旁边快速诊断试剂盒
CN106902905B (zh) 2017-04-01 2018-04-03 南京岚煜生物科技有限公司 用于微流控芯片液体控制防回流装置及其微流控芯片
CN106902904B (zh) 2017-04-01 2018-07-03 南京岚煜生物科技有限公司 用于微流控芯片的液体控制阀门装置及其微流控芯片
CN107219360B (zh) * 2017-07-03 2018-04-03 南京岚煜生物科技有限公司 单通道化学发光微流控芯片及其检测方法
CN107225006B (zh) * 2017-07-03 2018-04-03 南京岚煜生物科技有限公司 基于主动控制液体流动的多通量微流控芯片

Also Published As

Publication number Publication date
US10761092B2 (en) 2020-09-01
EP3470143B1 (en) 2021-08-04
CN107225006B (zh) 2018-04-03
EP3470143A4 (en) 2019-05-22
EP3470143A1 (en) 2019-04-17
US20190137488A1 (en) 2019-05-09
WO2019006977A1 (zh) 2019-01-10
CN107225006A (zh) 2017-10-03

Similar Documents

Publication Publication Date Title
SG11201913816TA (en) Multi-flux micro-fluidic chip based on active fluid flow control
IL267986A (en) A device for controlling the flow of liquid
NO20200267A1 (en) Density-based fluid flow control device
NO20200649A1 (en) Density-based fluid flow control devices
GB201716987D0 (en) Pump, and fluid control device
GB201804160D0 (en) Detecting fluid flow
IL255284B (en) Integrated fluid control valve and valve actuator assembly
PL3481360T3 (pl) Wykrywanie przepływu płynu
IL262590B (en) Fluid flow control device
FR3032244B1 (fr) Valve de regulation de debit.
GB201913007D0 (en) System and methodology for controlling fluid flow
EP3027847A4 (en) Fluid flow control valve
SG11202002867YA (en) Well fluid flow control choke
EP3589872C0 (en) FLOW ADJUSTMENT MODULE
GB201721781D0 (en) Flow control valve
GB2569244B (en) Fluid flow conditioning
GB201715092D0 (en) Fluid flow device
GB201701946D0 (en) Fluid flow device
EP3325049A4 (en) FLOW CONTROL VALVE AND FLOW CONTROL DEVICE, AND METHODS OF USE THEREOF
GB2554244B (en) Flow control valve
GB201522521D0 (en) Flow control valves
EP3282157C0 (en) CONTROL VALVE AND FLUID PRESSURE CONTROL DEVICE
GB2573510B (en) Fluid flow regulator
GB202003218D0 (en) Pump and fluid control device
EP3329162A4 (en) Fluid flow valve