HRP20100698T1 - Microstructured high pressure nozzle with an in-built filter function - Google Patents

Microstructured high pressure nozzle with an in-built filter function Download PDF

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Publication number
HRP20100698T1
HRP20100698T1 HR20100698T HRP20100698T HRP20100698T1 HR P20100698 T1 HRP20100698 T1 HR P20100698T1 HR 20100698 T HR20100698 T HR 20100698T HR P20100698 T HRP20100698 T HR P20100698T HR P20100698 T1 HRP20100698 T1 HR P20100698T1
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Croatia
Prior art keywords
projections
nozzle according
base plate
channels
cover plate
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HR20100698T
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Croatian (hr)
Inventor
Eicher Joachim
Geser Johannes
Hausmann Matthias
Reinecke Holger
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Boehringer Ingelheim International Gmbh
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Priority claimed from PCT/EP2004/006768 external-priority patent/WO2005000476A1/en
Application filed by Boehringer Ingelheim International Gmbh filed Critical Boehringer Ingelheim International Gmbh
Publication of HRP20100698T1 publication Critical patent/HRP20100698T1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/06—Sprayers or atomisers specially adapted for therapeutic purposes of the injector type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0065—Inhalators with dosage or measuring devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • 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
    • B05B15/40—Filters located upstream of the spraying outlets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0244—Micromachined materials, e.g. made from silicon wafers, microelectromechanical systems [MEMS] or comprising nanotechnology
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/75—General characteristics of the apparatus with filters
    • A61M2205/7545—General characteristics of the apparatus with filters for solid matter, e.g. microaggregates

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Special Spraying Apparatus (AREA)
  • Separating Particles In Gases By Inertia (AREA)
  • Ink Jet (AREA)
  • Filtering Materials (AREA)

Abstract

Mikrostrukturna mlaznica koja ima filter, ulazni otvor za nefiltriranu tekucinu i izlazni otvor za filtriranu tekucinu, pri cemu mlaznica sadrzi: u biti plosnatu osnovnu plocu (1) i pokrovnu plocu koja moze biti pricvrscena na nju; glavni filter konstruiran kao primarnu strukturu s mnostvom projekcija (7) rasporedenih paralelno u nizovima (3), kao sastavni elementi osnovne ploce (1) i projicirajuci se od nje, projekcije (7) su razmaknute jedna od druge pomocu kanalica (8) koji formiraju put za tekucinu kroz mlaznicu od ulaznog do izlaznog otvora, dok pokrovna ploca, ukoliko je pricvrcena na osnovnu plocu, pokriva projekcije (7) i kanalice (8); te komoru za sakupljanje filtrata (50a) smjestenu iza glavnog filtera u smjeru protoka, naznacena time, da u komori za sakupljanje filtrata (50a) je raspoloziva sekundarna struktura (50) koja sadrzi mnostvo ugradenih elemenata (51) koji djeluju na osnovnoj ploci (1) i/ili pokrovnoj ploci, promjera od 0.005 mm do 0.02 mm. Patent sadrzi jos 36 patentnih zahtjeva.A microstructured nozzle having a filter, an inlet for unfiltered liquid and an outlet for filtered liquid, the nozzle comprising: essentially a flat base plate (1) and a cover plate that can be attached thereto; a main filter constructed as a primary structure with a plurality of projections (7) arranged in parallel in series (3), as constituent elements of the base plate (1) and projected therefrom, projections (7) are spaced apart by the channels (8) forming a fluid path through the nozzle from the inlet to the outlet, while the cover plate, if attached to the base plate, covers projections (7) and ducts (8); and a filtrate collection chamber (50a) positioned behind the main filter in the flow direction, characterized in that a secondary structure (50) comprising a plurality of recessed elements (51) acting on the base plate (1) is provided in the filtrate collection chamber (50a). ) and / or cover plate, with a diameter of 0.005 mm to 0.02 mm. The patent contains a further 36 claims.

Claims (37)

1. Mikrostrukturna mlaznica koja ima filter, ulazni otvor za nefiltriranu tekućinu i izlazni otvor za filtriranu tekućinu, pri čemu mlaznica sadrži: u biti plosnatu osnovnu ploču (1) i pokrovnu ploču koja može biti pričvršćena na nju; glavni filter konstruiran kao primarnu strukturu s mnoštvom projekcija (7) raspoređenih paralelno u nizovima (3), kao sastavni elementi osnovne ploče (1) i projicirajući se od nje, projekcije (7) su razmaknute jedna od druge pomoću kanalića (8) koji formiraju put za tekućinu kroz mlaznicu od ulaznog do izlaznog otvora, dok pokrovna ploča, ukoliko je pričvrćena na osnovnu ploču, pokriva projekcije (7) i kanaliće (8); te komoru za sakupljanje filtrata (50a) smještenu iza glavnog filtera u smjeru protoka, naznačena time, da u komori za sakupljanje filtrata (50a) je raspoloživa sekundarna struktura (50) koja sadrži mnoštvo ugrađenih elemenata (51) koji djeluju na osnovnoj ploči (1) i/ili pokrovnoj ploči, promjera od 0.005 mm do 0.02 mm.1. A microstructured nozzle having a filter, an inlet opening for unfiltered liquid and an outlet opening for filtered liquid, wherein the nozzle contains: an essentially flat base plate (1) and a cover plate that can be attached thereto; the main filter constructed as a primary structure with a multitude of projections (7) arranged in parallel in rows (3), as integral elements of the base plate (1) and projecting from it, the projections (7) are spaced from each other by channels (8) that form the path for the liquid through the nozzle from the inlet to the outlet, while the cover plate, if it is attached to the base plate, covers the projections (7) and channels (8); you a filtrate collection chamber (50a) located behind the main filter in the flow direction, indicated by that in the filtrate collection chamber (50a) a secondary structure (50) is available, which contains a multitude of built-in elements (51) that act on the base plate (1) and/or the cover plate, with a diameter of 0.005 mm to 0.02 mm. 2. Mikrostrukturna mlaznica koja ima filter, ulazni otvor za nefiltriranu tekućinu i izlazni otvor za filtriranu tekućinu, pri čemu mlaznica sadrži: u biti plosnatu osnovnu ploču (1) i pokrovnu ploču koja može biti pričvršćena na nju; glavni filter konstruiran kao primarnu strukturu s mnoštvom projekcija (7) raspoređenih paralelno u nizovima (3), kao sastavni elementi osnovne ploče (1) i projicirajući se od nje i razmještene u cik-cak konfiguraciji, projekcije (7) su razmaknute jedna od druge pomoću kanalića (8) koji formiraju put za tekućinu kroz mlaznicu od ulaznog do izlaznog otvora, dok pokrovna ploča, ukoliko je pričvrćena na osnovnu ploču, pokriva projekcije (7) i kanaliće (8); te komoru za sakupljanje filtrata (50a) smještenu iza glavnog filtera u smjeru protoka, naznačena time, da u komori za sakupljanje filtrata (50a) je raspoloživa sekundarna struktura (50) koja sadrži mnoštvo ugrađenih elemenata (51) koji djeluju na osnovnoj ploči (1) i/ili pokrovnoj ploči, koji mogu biti oblikovani ispred i blago iza cik-cak konfiguracije u smjeru protoka.2. A microstructured nozzle having a filter, an inlet opening for unfiltered liquid and an outlet opening for filtered liquid, wherein the nozzle contains: an essentially flat base plate (1) and a cover plate that can be attached thereto; the main filter constructed as a primary structure with a plurality of projections (7) arranged in parallel in rows (3), as integral elements of the base plate (1) and projecting from it and arranged in a zigzag configuration, the projections (7) are spaced from each other using channels (8) that form a path for liquid through the nozzle from the inlet to the outlet, while the cover plate, if it is attached to the base plate, covers the projections (7) and channels (8); you a filtrate collection chamber (50a) located behind the main filter in the direction of flow, characterized by the fact that in the filtrate collection chamber (50a) a secondary structure (50) is available, which contains a multitude of built-in elements (51) that act on the base plate (1) and/or the cover plate, which can be shaped in front and slightly behind the zigzag configuration in the flow direction. 3. Mikrostrukturna mlaznica u skladu sa zahtjevom 2, naznačena time, da ugrađeni elementi (51) imaju promjer od oko 0.005 mm do 0.02 mm.3. A microstructure nozzle according to claim 2, characterized in that the embedded elements (51) have a diameter of about 0.005 mm to 0.02 mm. 4. Mikrostrukturna mlaznica u skladu s jednim od zahtjeva 1 do 3, naznačena time, da ugrađeni elementi (51) imaju cilindričnu obodnu stijenku.4. A microstructured nozzle according to one of claims 1 to 3, characterized in that the built-in elements (51) have a cylindrical peripheral wall. 5. Mikrostrukturna mlaznica u skladu s jednim od zahtjeva 1 do 4, naznačena time, da ugrađeni elementi (51) imaju razmak jedan od drugoga od 0.005 mm do 0.02 mm.5. Microstructure nozzle according to one of claims 1 to 4, characterized in that the built-in elements (51) have a distance from each other of 0.005 mm to 0.02 mm. 6. Mikrostrukturna mlaznica u skladu s jednim od zahtjeva 1 do 5, naznačena time, da ugrađeni elementi (51) imaju promjer 0.01 mm.6. A microstructure nozzle according to one of claims 1 to 5, characterized in that the built-in elements (51) have a diameter of 0.01 mm. 7. Mikrostrukturna mlaznica u skladu s jednim od zahtjeva 1 do 6, naznačena time, da ugrađeni elementi (51) imaju konkavnu obodnu stijenku.7. A microstructured nozzle according to one of claims 1 to 6, characterized in that the built-in elements (51) have a concave peripheral wall. 8. Mikrostrukturna mlaznica u skladu s jednim od zahtjeva 1 do 6, naznačena time, da ugrađeni elementi (51) imaju konveksnu obodnu stijenku.8. A microstructure nozzle according to one of claims 1 to 6, characterized in that the built-in elements (51) have a convex peripheral wall. 9. Mikrostrukturna mlaznica u skladu s jednim od zahtjeva 1 do 8, naznačena time, da se ugrađeni elementi protežu kao stupovi od osnovne ploče do pokrovne ploče i da su sastavni dio pokrovne ploče.9. A microstructure nozzle according to one of claims 1 to 8, characterized in that the built-in elements extend as columns from the base plate to the cover plate and are an integral part of the cover plate. 10. Mikrostrukturna mlaznica u skladu s jednim od zahtjeva 1 do 9, naznačena time, da su projekcije (7) raspoređene paralelno preko cijele širine filtera.10. A microstructure nozzle according to one of claims 1 to 9, characterized in that the projections (7) are arranged parallel over the entire width of the filter. 11. Mikrostrukturna mlaznica u skladu s jednim od zahtjeva 2 do 10, naznačena time, da je sekundarna struktura (50) smještena na strani izlaznog otvora cik-cak konfiguracije sve do središnje linije (52).11. A microstructure nozzle according to one of claims 2 to 10, characterized in that the secondary structure (50) is located on the side of the exit opening in a zigzag configuration up to the center line (52). 12. Mikrostrukturna mlaznica u skladu s jednim od zahtjeva 2 do 10, naznačena time, da je sekundarna struktura (50) smještena na strani izlaznog otvora cik-cak konfiguracije točno u točke koje se projiciraju u smjeru ulaznog otvora.12. A microstructure nozzle according to one of claims 2 to 10, characterized in that the secondary structure (50) is located on the side of the outlet opening in a zigzag configuration exactly at the points projected in the direction of the inlet opening. 13. Mikrostrukturna mlaznica u skladu s jednim od zahtjeva 1 do 12, naznačena time, da - ima razmak između osnovne ploče u području oko projekcija i pokrovne ploče unutar nizova (3) projekcija (7), koji je približno iste veličine kao i širina kanalića (8) na strani projekcija (7) gdje tekućina ulazi u niz kanalića (8). 13. A microstructured nozzle according to one of claims 1 to 12, characterized in that - has a gap between the base plate in the area around the projections and the cover plate within the rows (3) of projections (7), which is approximately the same size as the width of the channels (8) on the side of the projections (7) where the liquid enters the series of channels (8) . 14. Mikrostrukturna mlaznica u skladu s jednim od zahtjeva 1 do 13, naznačena time, da - ima mnoštvo projekcija (7) raspoređenih paralelno u nizovima (3), koji se projiciraju od osnovne ploče (1) i koji su sastavni dio osnovne ploče, pri čemu - je nekoliko nizova (3) projekcija raspoređeno stepenasto, te - poprečni presjek kanalića (8) se smanjuje od niza do niza okomito na smjer protoka tekućine, gledajući u smjeru protoka, te - projekcije (3) koje su raspoređene bliže strani ulaznog otvora filtera su veće ili ih je više, tako da su prostori između njih manji nego li od projekcija (3) raspoređenih bliže izlaznoj strani filtera, te - prostor između osnovne ploče i pokrovne ploče u području oko svakog niza projekcija (7) raspoređenih stepenasto je približno iste veličine kao i širina kanalića na strani projekcija (7) gdje tekućina ulazi u niz kanalića, te - ima duguljasti ulazni utor (5) za nefiltriranu tekućinu koji se proteže preko približno cijele širine filtera i koji je približno iste visine kao projekcije (7) koje izbijaju iz osnovne ploče na ulaznoj strani filtera, te - ima duguljasti izlazni utor za filtriranu tekućinu koji se proteže preko približno cijele širine filtera i koji je približno iste visine kao projekcije (7) koje izbijaju iz osnovne ploče na izlaznoj strani filtera.14. A microstructured nozzle according to one of claims 1 to 13, characterized in that - has a plurality of projections (7) arranged in parallel in rows (3), which project from the base plate (1) and which are an integral part of the base plate, whereby - several rows (3) of projections are staggered, and - the cross-section of the channels (8) decreases from row to row perpendicular to the direction of the liquid flow, looking in the direction of the flow, and - the projections (3) that are arranged closer to the side of the filter inlet opening are larger or there are more of them, so that the spaces between them are smaller than those of the projections (3) arranged closer to the outlet side of the filter, and - the space between the base plate and the cover plate in the area around each series of projections (7) arranged in steps is approximately the same size as the width of the channels on the side of the projections (7) where the liquid enters the series of channels, and - has an elongated inlet groove (5) for unfiltered liquid that extends over approximately the entire width of the filter and is approximately the same height as the projections (7) that protrude from the base plate on the inlet side of the filter, and - has an elongated outlet slot for the filtered liquid that extends over approximately the entire width of the filter and is approximately the same height as the projections (7) that protrude from the base plate on the outlet side of the filter. 15. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 14, naznačena time, da - ima plosnatu osnovnu ploču (1) i plosnatu pokrovnu ploču.15. A microstructured nozzle according to claims 1 to 14, characterized in that - has a flat base plate (1) and a flat cover plate. 16. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 15, naznačena time, da su sve strukture filtera formirane isključivo na osnovnoj ploči (1).16. Microstructure nozzle according to claims 1 to 15, characterized in that all filter structures are formed exclusively on the base plate (1). 17. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 16, naznačena time, da - razmak između plosnate osnovne ploče (1) u području oko projekcija (7) i plosnate pokrovne ploče unutar niza (3) projekcija (7) je između polovice i dvostruke širine kanalića na strani projekcija gdje tekućina ulazi u niz kanalića (8).17. A microstructured nozzle according to claims 1 to 16, characterized in that - the distance between the flat base plate (1) in the area around the projections (7) and the flat cover plate within the row (3) of the projections (7) is between half and twice the width of the channels on the side of the projections where the liquid enters the row of channels (8). 18. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 17, naznačena time, da - nekoliko nizova paralelnih projekcija , koji su sučelice stranama dvaju susjednih nizova projekcija (7) određuju vezanu komoru u koju utječe tekućina iz svih kanalića između projekcija prvog niza i iz koje tekućina istječe u kanaliće između projekcija slijedećeg niza u smjeru protoka.18. A microstructured nozzle according to claims 1 to 17, characterized in that - several rows of parallel projections, which are facing the sides of two adjacent rows of projections (7), define a connected chamber into which the liquid flows from all the canals between the projections of the first row and from which the liquid flows into the canals between the projections of the next row in the direction of flow. 19. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 18, naznačena time, da - komora za sakupljanje (50a) ima duguljast poprečni presjek između ulaznog utora (5) i prvog niza projekcija (4) i u koju se vodi nefiltrrana tekućina i iz koje tekućina teče u kanaliće između projekcija u prvom nizu, te - komora za sakupljanje (50a) ima duguljast poprečni presjek između zadnjeg niza projekcija i izlaznog utora i u koju utječe tekućina iz svih kanalića zadnjeg niza, te iz koje se prazni filtrirana tekućina.19. A microstructured nozzle according to claims 1 to 18, characterized in that - the collection chamber (50a) has an oblong cross-section between the inlet slot (5) and the first row of projections (4) and into which the unfiltered liquid is led and from which the liquid flows into the channels between the projections in the first row, and - the collection chamber (50a) has an oblong cross-section between the last row of projections and the outlet groove and into which the liquid flows from all the canals of the last row, and from which the filtered liquid is discharged. 20. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 19, naznačena time, da - ima projekcije u obliku klinova (11, 12, 13, 14, 15) koje su ravne ili zakrivljene, gledano u smjeru protoka, ili - ima projekcije u obliku stupova (16, 17, 18, 19).20. A microstructured nozzle according to claims 1 to 19, characterized in that - has wedge-shaped projections (11, 12, 13, 14, 15) that are straight or curved, viewed in the direction of flow, or - has projections in the form of columns (16, 17, 18, 19). 21. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 20, naznačena time, da - ima kanaliće (8) čija je duljina barem dvostruka u odnosu na njihovu visinu na ulaznoj strani za tekućine, dok poprečni presjek ostaje konstantan.21. A microstructured nozzle according to claims 1 to 20, characterized in that - has channels (8) whose length is at least double their height on the inlet side for liquids, while the cross-section remains constant. 22. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 21, naznačena time, da - ima kanaliće (8) koji se protežu između klinova, a navedeni kanalići su približno pravokutnog presjeka koji konstantan cijelom duljinom kanalića, uz duljinu od 5 mikrona do 50 mikrona, te uz visinu od 2.5 mikrona do 25 mikrona, te uz širinu od 2.5 mikrona do 25 mikrona.22. A microstructured nozzle according to claims 1 to 21, characterized in that - it has channels (8) that extend between the pins, and said channels have an approximately rectangular section that is constant throughout the length of the channels, with a length of 5 microns to 50 microns, and a height of 2.5 microns to 25 microns, and a width of 2.5 microns up to 25 microns. 23. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 22, naznačena time, da - ima kanaliće čiji je presjek valjkast ili trapezoidan, te je povoljno kada je dulja strana trapezoida formirana pokrovnom pločom.23. A microstructured nozzle according to claims 1 to 22, characterized in that - has channels whose cross-section is cylindrical or trapezoidal, and it is advantageous when the longer side of the trapezoid is formed by a cover plate. 24. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 23, naznačena time, da - ima kanaliće približno pravokutnog poprečnog presjeka na ulaznom strani za tekućine i čiji se poprečni presjek širi prema izlaznoj strani za tekućine.24. A microstructured nozzle according to claims 1 to 23, characterized in that - has channels with an approximately rectangular cross-section on the inlet side for liquids and whose cross-section widens towards the outlet side for liquids. 25. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 24, naznačena time, da - ima razmak između nizova projekcija koji je povoljno dvostruke veličine širine kanalića na ulaznoj strani.25. A microstructured nozzle according to claims 1 to 24, characterized in that - has a distance between the rows of projections that is preferably twice the width of the channels on the entrance side. 26. Mikrostrukturna mlaznica u skladu s zahtjevima 1, 4 do 10 ili 13 do 25, naznačena time, da ima projekcije koje su raspoređene - u nizove (31) koji su paralelni jedan s drugim ili - u nizove (33) vijugavog uzorka koji su nagnuti jedan prema drugom uz kut alfa od 2 stupnja do 25 stupnjeva. 26. A microstructured nozzle according to claims 1, 4 to 10 or 13 to 25, characterized in that it has projections that are arranged - in rows (31) that are parallel to each other or - into rows (33) of a meandering pattern that are inclined to each other at an alpha angle of 2 degrees to 25 degrees. 27. Mikrostrukturna mlaznica u skladu s zahtjevima 2 do 25, naznačena time, da ima projekcije koje su nagnute jedna prema drugoj uz kut alfa od 2 stupnja do 25 stupnjeva.27. A microstructured nozzle according to claims 2 to 25, characterized in that it has projections that are inclined to each other at an angle alpha of 2 degrees to 25 degrees. 28. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 27, naznačena time, da - ima konstantan razmak između plosnate osnovne ploče (1) u području oko projekcija (7) i plosnate pokrovne ploče unutar niza (3) projekcija.28. A microstructured nozzle according to claims 1 to 27, characterized in that - has a constant distance between the flat base plate (1) in the area around the projections (7) and the flat cover plate within the row (3) of projections. 29. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 27, naznačena time, da se razmak između osnovne ploče (1) i pokrovne ploče sužava u smjeru protoka.29. A microstructure nozzle according to claims 1 to 27, characterized in that the gap between the base plate (1) and the cover plate narrows in the flow direction. 30. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 29, naznačena time, da - ima razmak između plosnate osnovne ploče (1) u području oko projekcija (7) i plosnate pokrovne ploče unutar niza projekcija, koji se povećava od područja kraja niza smještenog bliže ulaznoj strani filtera prema području kraja niza smještenog bliže izlaznoj strani filtera.30. A microstructured nozzle according to claims 1 to 29, characterized in that - has a gap between the flat base plate (1) in the area around the projections (7) and the flat cover plate within the array of projections, which increases from the area of the end of the array located closer to the inlet side of the filter to the area of the end of the array located closer to the outlet side of the filter. 31. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 30, naznačena time, da - ima osnovnu ploču (1) koja je bila strukturirana izotropnim ili anizotropnim vlažnim ili suhim jetkanjem ili kombinacijom navedenih postupaka, povoljno je anizotropnim suhim jetkanjem.31. A microstructured nozzle according to claims 1 to 30, characterized in that - has a base plate (1) that was structured by isotropic or anisotropic wet or dry etching or a combination of the mentioned processes, preferably by anisotropic dry etching. 32. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 31, naznačena time, da - su osnovna ploča (1) koja je načinjena od silikona i pokrovna ploča koja je načinjena od stakla, pričvršćene anodnim vezivanjem.32. A microstructured nozzle according to claims 1 to 31, characterized in that - are the base plate (1) made of silicone and the cover plate made of glass, attached by anodic bonding. 33. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 30, naznačena time, da se komora za sakupljanje filtrata (50a) sužava konusno u smjeru protoka i da ima barem jednu mlaznicu (6) kao izlazni otvor.33. A microstructure nozzle according to claims 1 to 30, characterized in that the filtrate collection chamber (50a) tapers conically in the flow direction and has at least one nozzle (6) as an outlet opening. 34. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 31, naznačena time, da - su osnovna ploča (1) koja je načinjena od silikona i pokrovna ploča koja je načinjena od silikona, pričvršćene izravnim vezivanjem.34. A microstructured nozzle according to claims 1 to 31, characterized in that - are the base plate (1) which is made of silicone and the cover plate which is made of silicone, attached by direct bonding. 35. Mikrostrukturna mlaznica u skladu s zahtjevima 1 do 34, naznačena time, da su razmaci između ugrađenih elemenata, od kojih svaki formira protočni kanalić za tekućinu koja protječe, takvi da je rezultirajući poprečni presjek područja okomitog na smjer protoka koji je učinkovito permeabilan za tekućine veći od odgovarajućeg učinkovitog poprečnog presjeka područja protočnih kanalića formiranih strukturama glavnog filtera.35. A microstructured nozzle according to claims 1 to 34, characterized in that are the distances between the embedded elements, each of which forms a flow channel for the flowing liquid, such that the resulting cross-section of the area perpendicular to the direction of flow that is effectively permeable to liquids is greater than the corresponding effective cross-section of the area of the flow channels formed by the main filter structures. 36. Raspršivač za inhalacijsku terapiju, naznačen time, da sadrži mikrostrukturnu mlaznicu u skladu s jednim od ranije navedenih zahtjeva 1 do 35. 36. Nebulizer for inhalation therapy, characterized in that it contains a microstructured nozzle according to one of the previously mentioned claims 1 to 35. 37. Postupak proizvodnje mlaznice u skladu s jednim od zahtjeva 1 do 35, naznačen time, da se u jednom koraku mikrostrukture u obliku filter struktura, sekundarne strukture, ulazni otvor mlaznice i izlazni otvor mlaznice jetkaju na jednu stranu silikonske pločice za veliki broj mlaznica, te se u slijedećem koraku staklena ploča čvrsto pričvrsti na ovu stranu silikonske pločice, te se u nezavisnom koraku silikonska pločica smjesti na adhezivni film i u konačnom se koraku proizvedu pojedinačne mlaznice od sklopa koji sadrži silikonsku pločicu i staklenu ploču s adhezivnim filmom na donjoj strani silikonske pločice, polazeći od strane staklene ploče uz uporabu dijamantne pile.37. The nozzle production method according to one of the claims 1 to 35, characterized in that in one step microstructures in the form of filter structures, secondary structures, nozzle inlet and nozzle outlet are etched on one side of the silicon wafer for a large number of nozzles, and in the next step the glass plate is firmly attached to this side of the silicon wafer, and in an independent step the silicon wafer is placed on the adhesive film and in the final step individual nozzles are produced from the assembly containing the silicon wafer and the glass plate with the adhesive film on the underside of the silicon wafer , starting from the side of the glass plate with the use of a diamond saw.
HR20100698T 2003-06-30 2010-12-17 Microstructured high pressure nozzle with an in-built filter function HRP20100698T1 (en)

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DE10330370A DE10330370A1 (en) 2003-06-30 2003-06-30 Microstructured filter with anti-evaporation device
EP03027927A EP1493492A1 (en) 2003-06-30 2003-12-04 Microstructured high-pressure nozzle with integrated filter function
PCT/EP2004/006768 WO2005000476A1 (en) 2003-06-30 2004-06-23 Microstructured high pressure nozzle with an in-built filter function

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