EP1035925B1 - Flüssigkeitszerstäuber - Google Patents
Flüssigkeitszerstäuber Download PDFInfo
- Publication number
- EP1035925B1 EP1035925B1 EP98954821A EP98954821A EP1035925B1 EP 1035925 B1 EP1035925 B1 EP 1035925B1 EP 98954821 A EP98954821 A EP 98954821A EP 98954821 A EP98954821 A EP 98954821A EP 1035925 B1 EP1035925 B1 EP 1035925B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- atomiser
- fluid
- cleaning
- nozzle
- gas
- 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.)
- Expired - Lifetime
Links
Images
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
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
- B05B15/522—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using cleaning elements penetrating the discharge openings
- B05B15/5223—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using cleaning elements penetrating the discharge openings the cleaning element, e.g. a needle, and the discharge opening being movable relative to each other in a direction substantially parallel to the flow of liquid or other fluent material through said opening
- B05B15/5225—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using cleaning elements penetrating the discharge openings the cleaning element, e.g. a needle, and the discharge opening being movable relative to each other in a direction substantially parallel to the flow of liquid or other fluent material through said opening the cleaning element being located upstream of the discharge opening or being actuated upstream therefrom
Definitions
- the invention concerns an atomiser for fluids with the support of compressed gas.
- the atomiser is provided with cleaning systems for cleaning the fluid nozzle and also the gas nozzle.
- the cleaning action is introduced by closing the gas supply and executed by springs.
- the atomiser is so organised that only fluid is forwarded after opening of the gas supply.
- the atomiser loses no droplets of fluid at the start or ending of a period of atomising.
- a plunger activated by compressed gas positions the cleaning tube into working position with thrust bars after which the fluid supply is opened and then the triangular opening will be open.
- the atomiser is characterised in that both the fluid nozzle and the gas nozzle are rigid fixed in the atomiser and the cleaning elements are moving.
- the atomiser is very suitable for humidifying air in spaces, atomising suspensions like disinfectants and such.
- Atomisers of this kind are known from the European publication EP-A-525164. It turned out that the cleaning is not optimal and the production of noise is considerable. By having a separate cleaning system for the fluid nozzle and the gas nozzle it has been possible to reduce the noise of atomising and have a more effective cleaning. Therefore a movable needle is placed in the fluid supply tube and around the fluid supply tube a cleaning element that cleans the gas nozzle.
- the atomiser of GB-A-492852 ( and FR-A-831076) has a fluid nozzle which functions also as cleaning element. The position of the fluid nozzle in working position is dependent of machining tolerances and dirt depositions. The operation of this type of atomiser is easily influenced by differences of the pressure of the fluid supply, which can be considerable in high spaces.
- Fig. 1 The atomiser body is indicated with (1). Gas nozzle (2) is mounted in body (1). On the other side is bottom (3) mounted. Bottom (3) fits in the cylindrical boring (4) where piston (5) moves axially. Piston (5) is urged by spring (6) into boring (4). Needle holder (7), which is positioned in the centre of the atomiser slides through piston (5). Stop (8) is adjustable fixed to needle holder (7). Spring (9) forces needle holder (7) via stop (8). Needle holder (7) is drilled on end (10) with a stepped hole (11). Needle (12) slides fitting through fluid nozzle (13) which is fixed in holder (14). At (15) a part of the wall of fluid nozzle (13) is taken away to have a triangular opening.
- holder (14) In holder (14) is a boring (16) which holds sealing ring (17). End (10) of needle holder (7) slides easily through boring (16).
- a cleaning element (18) composed of a holder (19) and tube (20) which slides fittingly around fluid nozzle (13) and sliding fittingly inside blow opening (21) of gas nozzle (2).
- Holder (19) is urged against body (1) by spring (22).
- In boring (23) lies with play thrust bar (24).
- Thrust bar (24) reaches into boring (4) and has such a length that piston (5) with help of spring (6) displaces holder (19) against spring (22) so far that tube (20) reaches through blow opening (21).
- Compressed gas is supplied via connection (25) and channel (26) which goes from boring (4) until space (27) in gas nozzle (2).
- Fluid is supplied via connection (28), boring (29) to channel (30) in which needle holder (7) is.
- channel (30) is at (31) the passage of needle holder (7) sealed.
- Fig. 1 shows the atomiser at rest. Fluid is supplied under pressure via connection (28). Needle holder (7) rests with end (10) against seal (17) with the force of spring (9) and seals the connection between channel (30) and triangular at (15). Needle (12) reaches whole through fluid nozzle (13).
- Piston (5) pushes with the support of spring (6) and thrust bar (24) cleaning element (19, 20) through blow opening (21).
Landscapes
- Nozzles (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Claims (3)
- Spritzdüse zum sprühen von Flüssigkeiten unter Zuhilfenahme von zusammengepresst Gas der ist vorhergesehen mit ein Reinigungssystem für ein Gasdüse (2) und ein Flüssigkeitsdüse (13) gekennzeichnet durch daß der Spritzdüse (1) ist vorhergesehen mit ein ortsfester Gasdüse (2) und ein ortsfeste Flüssigkeitsdüse (13) wobei der Reinigingsoperation von der Gasdüse (2) durch ein Rohr (20) verursacht wird durch der Kraft einer Feder (6) gegen der Kolben (5) wobei die Action von der Kolben (5) ist übertragen mittels ein oder mehere Druckstange (24) zu ein Halter (19) von ein Rohr (20) und der Reinigingsoperation von der Flüssigkeitsdüse (13) ist durchgeführt mit ein Reinigungselement (12) durch Nadelhalter (7) und ein Anschlag (8) und ein Feder (9).
- Spritzdüse nach Anspruch 1 gekennzeichnet durch daß der Kolben (5) bei Anfangen von der Wirkung der Spritzdüse (1) durch ein zusammengepresten Gas axial bewegt wobei zum ersten Halter (19) mittels die Druckstange (24) der Arbeitsposition bereicht woraufhin der Anschlag (8) in Action gebracht wird nach ein eistellbarer Freilauf von der Kolben (5)
- Spritzdüse nach Anspruch 1 und 2 gekennzeichnet durch daß die Zufuhr von Flüssigkeit abgeslossen wird durch der hohler Teil von der Nadelhalter (7) und der elastische Ring (17) innerhalb der Halter (14).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1007627 | 1997-11-27 | ||
NL1007627A NL1007627C2 (nl) | 1997-11-27 | 1997-11-27 | Verstuiver voor het verstuiven van vloeistof. |
PCT/NL1998/000622 WO1999028044A1 (en) | 1997-11-27 | 1998-10-27 | Atomiser for fluids |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1035925A1 EP1035925A1 (de) | 2000-09-20 |
EP1035925B1 true EP1035925B1 (de) | 2002-09-18 |
Family
ID=19766068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98954821A Expired - Lifetime EP1035925B1 (de) | 1997-11-27 | 1998-10-27 | Flüssigkeitszerstäuber |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1035925B1 (de) |
AT (1) | ATE224239T1 (de) |
AU (1) | AU1177199A (de) |
DE (1) | DE69808128D1 (de) |
NL (1) | NL1007627C2 (de) |
WO (1) | WO1999028044A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100391652C (zh) * | 2006-10-10 | 2008-06-04 | 陈华 | 具有在线自动排污功能的喷嘴装置 |
NO344131B1 (en) * | 2018-09-25 | 2019-09-16 | Stauper Offshore As | Device and system for cleaning a nozzle |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2097696A (en) * | 1936-06-26 | 1937-11-02 | Macdonald Walter | Self cleaning atomizer |
US2179184A (en) * | 1936-06-26 | 1939-11-07 | Parks Cramer Co | Self-cleaning nozzle |
GB492852A (en) * | 1937-12-16 | 1938-09-28 | Parks Cramer Co | Improvements in and relating to liquid atomizing devices |
US2311018A (en) * | 1941-01-08 | 1943-02-16 | Bahnson Co | Atomizer |
US2594045A (en) * | 1948-05-01 | 1952-04-22 | Grinnell Corp | Atomizer |
NL9100240A (nl) * | 1991-02-12 | 1992-09-01 | Johannes Valster | Verstuiver voor het vernevelen van vloeistof. |
-
1997
- 1997-11-27 NL NL1007627A patent/NL1007627C2/nl not_active IP Right Cessation
-
1998
- 1998-10-27 DE DE69808128T patent/DE69808128D1/de not_active Expired - Lifetime
- 1998-10-27 AU AU11771/99A patent/AU1177199A/en not_active Abandoned
- 1998-10-27 AT AT98954821T patent/ATE224239T1/de not_active IP Right Cessation
- 1998-10-27 WO PCT/NL1998/000622 patent/WO1999028044A1/en active IP Right Grant
- 1998-10-27 EP EP98954821A patent/EP1035925B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU1177199A (en) | 1999-06-16 |
NL1007627C2 (nl) | 1999-05-31 |
ATE224239T1 (de) | 2002-10-15 |
EP1035925A1 (de) | 2000-09-20 |
WO1999028044A1 (en) | 1999-06-10 |
DE69808128D1 (de) | 2002-10-24 |
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