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BE771324A - Regulateur de debit pour regler des debits volumetriques extremement faibles - Google Patents

Regulateur de debit pour regler des debits volumetriques extremement faibles

Info

Publication number
BE771324A
BE771324A BE771324A BE771324A BE771324A BE 771324 A BE771324 A BE 771324A BE 771324 A BE771324 A BE 771324A BE 771324 A BE771324 A BE 771324A BE 771324 A BE771324 A BE 771324A
Authority
BE
Belgium
Prior art keywords
extremely low
flow regulator
low volumetric
volumetric flows
adjusting extremely
Prior art date
Application number
BE771324A
Other languages
English (en)
Inventor
J Isreeli
A Kassel
E G Mernyk
Original Assignee
Technicon Instr
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 Technicon Instr filed Critical Technicon Instr
Publication of BE771324A publication Critical patent/BE771324A/fr

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/006—Control of flow ratio involving a first fluid acting on the feeding of a second fluid
    • 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
    • B01L3/02—Burettes; Pipettes
    • B01L3/0289—Apparatus for withdrawing or distributing predetermined quantities of fluid
    • B01L3/0293—Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids
    • 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
    • G05D7/0113—Control of flow without auxiliary power the sensing element being a flexible member, e.g. bellows, diaphragm, capsule the sensing element acting as a valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2931—Diverse fluid containing pressure systems
    • Y10T137/3115—Gas pressure storage over or displacement of liquid
    • Y10T137/3127—With gas maintenance or application
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7784—Responsive to change in rate of fluid flow
    • Y10T137/7787—Expansible chamber subject to differential pressures
    • Y10T137/7788—Pressures across fixed choke
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7835—Valve seating in direction of flow
    • Y10T137/7836—Flexible diaphragm or bellows reactor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Flow Control (AREA)
  • Sampling And Sample Adjustment (AREA)
BE771324A 1970-09-14 1971-08-13 Regulateur de debit pour regler des debits volumetriques extremement faibles BE771324A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7169970A 1970-09-14 1970-09-14

Publications (1)

Publication Number Publication Date
BE771324A true BE771324A (fr) 1972-02-14

Family

ID=22102996

Family Applications (1)

Application Number Title Priority Date Filing Date
BE771324A BE771324A (fr) 1970-09-14 1971-08-13 Regulateur de debit pour regler des debits volumetriques extremement faibles

Country Status (7)

Country Link
US (1) US3749113A (fr)
AU (1) AU3253271A (fr)
BE (1) BE771324A (fr)
CA (1) CA935063A (fr)
DE (1) DE2144240A1 (fr)
FR (1) FR2112947A5 (fr)
NL (1) NL7112534A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8817456D0 (en) * 1988-07-22 1988-08-24 Ici Plc Flow injection analysis
US5865766A (en) * 1997-01-10 1999-02-02 Emory University Multichannel, multipurpose sample collection and drug delivery system for laboratory animals
US6110427A (en) * 1998-08-14 2000-08-29 Becton, Dickinson And Company Flow regulator to maintain controllable volumetric flow rate
DE102009001612B9 (de) * 2009-03-17 2012-03-08 Si Analytics Gmbh Verfahren und Vorrichtung zur Erzeugung konstanter pulsationsfreier Flüssigkeitsströme für Mikrofluidikanwendungen

Also Published As

Publication number Publication date
NL7112534A (fr) 1972-03-16
FR2112947A5 (fr) 1972-06-23
AU3253271A (en) 1973-02-22
CA935063A (en) 1973-10-09
US3749113A (en) 1973-07-31
DE2144240A1 (de) 1972-03-23

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