WO2005079999A1 - Gerät und anordnung zur erzeugung von einzeltropfen aus flüssigkeiten unterschiedlicher viskosïtät in gasförmigen und/oder flüssigen medien - Google Patents
Gerät und anordnung zur erzeugung von einzeltropfen aus flüssigkeiten unterschiedlicher viskosïtät in gasförmigen und/oder flüssigen medien Download PDFInfo
- Publication number
- WO2005079999A1 WO2005079999A1 PCT/EP2005/001892 EP2005001892W WO2005079999A1 WO 2005079999 A1 WO2005079999 A1 WO 2005079999A1 EP 2005001892 W EP2005001892 W EP 2005001892W WO 2005079999 A1 WO2005079999 A1 WO 2005079999A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nozzle
- liquid
- drops
- compressed air
- liquids
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
- B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
- B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0483—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with gas and liquid jets intersecting in the mixing chamber
Definitions
- the invention relates to a device by means of which drops can be produced from liquids of different viscosities in both gaseous and liquid media.
- the core of this arrangement is a nozzle with no moving parts, which has a modular structure.
- the liquid is guided inside the nozzle via a capillary " .
- the tear off of the drops is achieved by an air flow which is guided concentrically to the central capillary in the interior of the nozzle Capillaries themselves have ejected.
- liquid jets are generated by pressing the liquid starting materials through capillary openings. The only differences are in the methods by which these rays are broken down into individual drops.
- the jet is resolved by centrifugal forces or by resonance vibrations, in the second by the axial action of additional, usually gaseous media.
- additional, usually gaseous media in the first category, the jet is resolved by centrifugal forces or by resonance vibrations, in the second by the axial action of additional, usually gaseous media.
- the present invention joins the second group.
- Y-nozzles Another category are the so-called Y-nozzles. They work on the principle that a liquid column created in a capillary is interrupted by a pulsed air flow inside the capillary. This will expel the drop.
- the device uses a Y-shaped tube structure.
- the liquid is pressed through the one Y-branch.
- the liquid column in the interior of the tube is interrupted by an air flow which is passed over the 2-Y branch.
- the structure is designed according to the invention for functioning in gaseous media.
- the invention has for its object to describe a device that works with a nozzle, both of the above.
- Functional principle united in one Namely, a drop tear-off which is caused both by a concentric air flow inside the nozzle and by an interruption of the liquid flow in the liquid-carrying capillaries themselves.
- the nozzle is designed so that it can be used in both gaseous and liquid media can.
- the device or the arrangement is divided into two sections, the nozzle, and the periphery with additional control components which serve to supply the media and control the nozzle.
- the nozzle is constructed as shown in FIG. 1. This nozzle can also be used directly in the liquid, ie without any drop distance for the drops. This offers advantages especially where there are special requirements regarding sterility.
- Part A is designed so that it forms a capillary through the bore in its interior and the taper in the front part. The liquid is pressed into this capillary via the hose connection 1. Perpendicular to this hole there is a second channel, which is provided with a hose connection 2 and is used to supply compressed air. If one now presses a liquid through part A via hose connection 1, then interruptions in the liquid flow which emit the liquid drops can be generated by compressed air pulses which enter the channel via hose connection 2.
- part B air can be blown into the interior of part B via part C, concentrically with the liquid-carrying capillaries (part A).
- part A liquid-carrying capillaries
- the nozzle works in such a way that the droplet is torn off by a concentric air stream that is blown into the interior of part B via part C.
- Hose connection 2 is previously closed either by an appropriate valve position or mechanically by a sealing element.
- part B can be unscrewed together with part C and the outlet opening of part A can be completely immersed in a liquid, for example in a precipitation reagent for the droplets formed. Due to the interruptions in the liquid jet, which are caused by the air pulses applied via connection 2, the drops are shot into the precipitation reagent.
- FIG. 2a shows the arrangement according to the invention with the nozzle from FIG. 1 for use in gaseous media.
- Appropriate control of valve PV closes port 2 on the nozzle.
- the hose connection 2 can also be closed with a suitable sealing element.
- the nozzle works as follows: Via a regulating and control device, which contains a pressure regulating valve DR, a manometer and a shut-off valve BV, we pressurize a storage container. This container contains the liquid material to be dripped. Due to the pressure, the liquid is pressed through the capillary of the nozzle. The air flow that controls the tear-off at the capillary is set with the control valve RV and measured with a measuring tube. A cross-sectional constriction creates a pressure difference inside the measuring tube, which is dependent on the air flow that flows through the tube. This pressure difference is recorded by a differential pressure measuring device, which is connected to the two measuring sockets of the pipe. The higher the air flow, the smaller the drops obtained. With this setting, the frequency generator and the valve PV (sealing the second nozzle opening with a sealing element) can also be dispensed with.
- a regulating and control device which contains a pressure regulating valve DR, a manometer and a shut-off valve BV.
- Fig. 2b the nozzle outlet opening is completely immersed in the fill reagent in the container 1 for the filler to be dripped.
- the about the Re ⁇ el- and control unit 2 regulated air pulsed via the valve PV and the frequency generator interrupts the liquid flow inside the nozzle and shoots the drops into the precipitation reagent.
- the feed of the liquid to be dripped through the nozzle is set via the regulating and control device 1 as described in FIG. 2a.
Landscapes
- Nozzles (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05715480A EP1718412A1 (de) | 2004-02-24 | 2005-02-23 | Gerät und anordnung zur erzeugung von einzeltropfen aus flüssigkeiten unterschiedlicher viskosität in gasförmigen und/oder flüssigen medien |
US10/590,387 US20070295835A1 (en) | 2004-02-24 | 2005-02-23 | Device and System for Producing Individual Droplets from Liquids Having Different Viscosity in Gaseous and/or Liquid Media |
JP2007500144A JP2007534470A (ja) | 2004-02-24 | 2005-02-23 | 気体及び/又は液体媒体中で異なる粘性を有する液体から個々の液滴を生成する装置及びシステム |
CA002556990A CA2556990A1 (en) | 2004-02-24 | 2005-02-23 | Device and system for producing individual droplets from liquids having different viscosity in gaseous and/or liquid media |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004009386A DE102004009386A1 (de) | 2004-02-24 | 2004-02-24 | Gerät und Anordnung zur Erzeugung von Einzeltropfen aus Flüssigkeiten unterschiedlicher Viskosität in gasförmigen und/oder flüssigen Medien |
DE102004009386.5 | 2004-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005079999A1 true WO2005079999A1 (de) | 2005-09-01 |
Family
ID=34833052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/001892 WO2005079999A1 (de) | 2004-02-24 | 2005-02-23 | Gerät und anordnung zur erzeugung von einzeltropfen aus flüssigkeiten unterschiedlicher viskosïtät in gasförmigen und/oder flüssigen medien |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070295835A1 (de) |
EP (1) | EP1718412A1 (de) |
JP (1) | JP2007534470A (de) |
CA (1) | CA2556990A1 (de) |
DE (1) | DE102004009386A1 (de) |
WO (1) | WO2005079999A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9821325B2 (en) | 2013-04-30 | 2017-11-21 | Arizona Board Of Regents On Behalf Of Arizona State University | Apparatus and methods for lipidic cubic phase (LCP) injection for membrane protein investigations |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6234934B2 (ja) * | 2011-11-18 | 2017-11-22 | アリゾナ ボード オブ リージェンツ ア ボディー コーポレート アクティング オン ビハーフ オブ アリゾナ ステイト ユニバーシティARIZONA BOARD OF REGENTS,a body corporate acting on behalf of ARIZONA STATE UNIVERSITY | ミクロン規模の連続液体噴流を提供するシステムおよび方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0578934A1 (de) * | 1992-07-13 | 1994-01-19 | Edmar Link | Vorrichtung zum Behandeln von Werkstücken mit einem Druckfluid |
EP0899017A1 (de) * | 1996-05-13 | 1999-03-03 | Universidad De Sevilla, Vicerrectorado De Investigacion | Verfahren zur zerstäubung von flüssigkeiten |
WO1999047906A1 (en) | 1998-03-16 | 1999-09-23 | Partec Partikelzählgeräte GmbH | Electronic apparatus for dispensing precise small quantities of fluid |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5320250A (en) * | 1991-12-02 | 1994-06-14 | Asymptotic Technologies, Inc. | Method for rapid dispensing of minute quantities of viscous material |
-
2004
- 2004-02-24 DE DE102004009386A patent/DE102004009386A1/de not_active Withdrawn
-
2005
- 2005-02-23 WO PCT/EP2005/001892 patent/WO2005079999A1/de active Application Filing
- 2005-02-23 EP EP05715480A patent/EP1718412A1/de not_active Withdrawn
- 2005-02-23 US US10/590,387 patent/US20070295835A1/en not_active Abandoned
- 2005-02-23 JP JP2007500144A patent/JP2007534470A/ja active Pending
- 2005-02-23 CA CA002556990A patent/CA2556990A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0578934A1 (de) * | 1992-07-13 | 1994-01-19 | Edmar Link | Vorrichtung zum Behandeln von Werkstücken mit einem Druckfluid |
EP0899017A1 (de) * | 1996-05-13 | 1999-03-03 | Universidad De Sevilla, Vicerrectorado De Investigacion | Verfahren zur zerstäubung von flüssigkeiten |
WO1999047906A1 (en) | 1998-03-16 | 1999-09-23 | Partec Partikelzählgeräte GmbH | Electronic apparatus for dispensing precise small quantities of fluid |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9821325B2 (en) | 2013-04-30 | 2017-11-21 | Arizona Board Of Regents On Behalf Of Arizona State University | Apparatus and methods for lipidic cubic phase (LCP) injection for membrane protein investigations |
Also Published As
Publication number | Publication date |
---|---|
US20070295835A1 (en) | 2007-12-27 |
DE102004009386A1 (de) | 2005-09-08 |
JP2007534470A (ja) | 2007-11-29 |
EP1718412A1 (de) | 2006-11-08 |
CA2556990A1 (en) | 2005-09-01 |
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