EP1410846A1 - Düse zur Erzeugung eines Hochdruckstrahls - Google Patents
Düse zur Erzeugung eines Hochdruckstrahls Download PDFInfo
- Publication number
- EP1410846A1 EP1410846A1 EP03021417A EP03021417A EP1410846A1 EP 1410846 A1 EP1410846 A1 EP 1410846A1 EP 03021417 A EP03021417 A EP 03021417A EP 03021417 A EP03021417 A EP 03021417A EP 1410846 A1 EP1410846 A1 EP 1410846A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- disc
- bore
- disk
- inlet
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 9
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 3
- 239000010432 diamond Substances 0.000 claims abstract description 3
- 239000004063 acid-resistant material Substances 0.000 claims abstract 2
- 230000009969 flowable effect Effects 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 13
- 238000005245 sintering Methods 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000010979 ruby Substances 0.000 description 1
- 229910001750 ruby Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
-
- 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
- B05B15/14—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S239/00—Fluid sprinkling, spraying, and diffusing
- Y10S239/19—Nozzle materials
Definitions
- the present invention relates to a nozzle for generating a high pressure jet according to the preamble of claim 1.
- Such a nozzle is part of a nozzle head, for example in the High pressure water jet technology is used as a water jet nozzle.
- Such Water jet nozzle is used for cleaning surfaces, for example Removing coatings, roughening surfaces and cutting and separating materials.
- the high-pressure jet it is generated by a pump in a volume flow of the medium generated pressure by a cross-sectional narrowing within the nozzle into a jet, preferably a jet of liquid, at high speed converted. Water is usually found as the liquid Use.
- the pressures generated can be up to 4000 bar and above, while the speed is up to 900 m / s.
- Nozzle disk Due to the resulting extremely high stress on the Nozzle disk is known from DE 94 19 809 U1 to produce it from a sapphire.
- the nozzle disc is in practice provided with a sealing ring made of a non-ferrous metal alloy or is made of a plastic and opposite the nozzle disc seals the side wall area of the recess of the nozzle body.
- the sealing ring is not able to support the nozzle disk laterally, as would be required to relieve stress on the nozzle disks record, which arise from the high internal pressure in the nozzle bore.
- This lack of radial support of the nozzle disk often leads to Cracks and breaks during operation, resulting in dangerous situations result, especially when such nozzles in hand-held tools, such as Spray guns or the like can be used.
- the recoil force increases unexpectedly and impermissibly high, which endangers the user the spray gun can lead.
- an axial pretensioning force is applied via a pressure screw applied, which rests on both the nozzle disc and the nozzle body.
- the force is applied to the nozzle body via the nozzle disc and the sealing ring directed.
- the present invention is therefore based on the object of a nozzle of the generic type Art to develop so that it is easier to manufacture your Tool life is increased and operational safety is improved.
- a nozzle of this type has considerable properties compared to the known nozzle Advantages on.
- the nozzle disc is now virtually firmly clamped lies in the recess of the nozzle body and in all during operation possible directions of loading of the nozzle.
- the nozzle body is included the inserted nozzle disc is manufactured as a structural unit and can be assembled in such a way that no direct pressure forces during assembly, for example by means of a Pressure screw or an inlet body acting in this sense, on the Act on the nozzle disc.
- the nozzle disk can be arranged inside the nozzle body means that the nozzle disk is enclosed on all sides by the nozzle body.
- the nozzle body is produced by sintering or casting, with the nozzle disc beforehand is introduced so that it depends on the material of the nozzle body Pouring or sintering is completely enclosed.
- the material of the nozzle body, in which the nozzle disc initially has no nozzle bore is preferably corrosion-resistant and high-strength.
- the nozzle disk can consist of a ceramic hard material, preferably a sapphire, ruby, polycrystalline diamond or a mixed ceramic.
- the nozzle disk by casting or sintering embedding the nozzle body, it is also possible to use the nozzle body to be soldered, preferably by brazing.
- the robust design of the nozzle also allows the introduction of Flat jet geometries of the nozzle bore, which then deviate from the circular shape Can have cross-section, for example elliptical or rectangular.
- the invention results in an expanded area of application.
- the nozzle bore are reworked, especially in the area of Leading edge, so that overall one is also in business terms significant improvement.
- nozzle 1 and 2 each have a nozzle for generating a high-pressure jet from a fluid medium, for example a liquid, a Liquid-solid-gas mixture or a gas, represented in its Basic structure of a nozzle body 1, one lying therein in a recess 7, made of a high-strength material nozzle disk 2 with an axial, preferably has central nozzle bore 3 and an inlet body 8 with which the nozzle body 1 in a nozzle housing, not shown, to a nozzle head is firmly clamped.
- a fluid medium for example a liquid, a Liquid-solid-gas mixture or a gas
- the inlet body 8 lies on its side facing the nozzle body 1 Side has an axially arranged feed channel 6 through which the medium below Pressure can be fed in the direction of the arrow, forming a sealing surface 11 on the end side the nozzle body 1.
- the nozzle disk lies in both of the exemplary embodiments shown 2, which preferably have a rotationally symmetrical shape, below Compressive stress on the contact surfaces of the recess 7.
- the nozzle disk 2 can of course also take other spatial forms, depending on the need.
- the nozzle disk 2 is completely removed from enclosed the nozzle body 1, that is, the nozzle disc 2 is complete so far encapsulated.
- the sealing surface 11 is towards the center area bounded by a cutout 12, which faces the front of the Nozzle disc 2 covers so far that the sealing surface 11 outside the nozzle disc 2 rests on the nozzle body 1.
- the nozzle bore 3 opens into an outlet bore 5 of the nozzle body 1.
- the nozzle disk 2 is embedded in the nozzle body 1 by casting around with the material then forming the nozzle body 1, by sintering this material or by soldering the nozzle disk 2 with the nozzle body 1.
Landscapes
- Nozzles (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Description
- Figuren 1 und 2
- jeweils eine erfindungsgemäße Düse in einem Längsschnitt.
- 1
- Düsenkörper
- 2
- Düsenscheibe
- 3
- Düsenbohrung
- 4
- Eintrittsbohrung
- 5
- Austrittsbohrung
- 6
- Zuführkanal
- 7
- Ausnehmung
- 8
- Einlaufkörper
- 9
- Außenfläche
- 10
- Dichtfläche
- 11
- Dichtfläche
- 12
- Freischnitt
Claims (11)
- Düse zur Erzeugung eines Hochdruckstrahls aus einem strömungsfähigen Medium, mit einem Düsenkörper (1) und einer darin in einer Ausnehmung (7) einliegenden, aus einem hochfesten Werkstoff bestehenden Düsenscheibe (2), die eine axiale, vorzugsweise zentrische Düsenbohrung (3) aufweist, die in eine Ein- und/oder Austrittsbohrung (4, 5) mündet, dadurch gekennzeichnet, dass die Düsenscheibe (2) unter Druckspannung an den Kontaktflächen der Ausnehmung (7) anliegt.
- Düse nach Anspruch 1, dadurch gekennzeichnet, dass die Düsenscheibe (2) vollständig im Düsenkörper (1) eingekapselt ist.
- Düse nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Düsenkörper (1) durch Sinterung oder Gießen um die Düsenscheibe (2) geformt ist.
- Düse nach Anspruch 1, dadurch gekennzeichnet, dass die Düsenscheibe (2) mit dem Düsenkörper (1) verlötet ist, vorzugsweise durch Hartverlöten.
- Düse nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Düsenbohrung (3) sowie die Eintritts- und Austrittsbohrung (4, 5) nach der Ummantelung durch Gießen oder Sintern eingebracht sind.
- Düse nach Anspruch 1, bei dem der Düsenkörper (1) mittels eines Einlaufkörpers (8) gegen ein Düsengehäuse verspannbar ist, dadurch gekennzeichnet, dass die gemeinsamen, eine Dichtfläche (11) bildenden Druckflächen des Düsenkörpers (1) und des Einlaufkörpers (8) außerhalb der Düsenscheibe (2) liegen.
- Düse nach Anspruch 6, dadurch gekennzeichnet, dass der Einlaufkörper (8) auf seiner dem Düsenkörper (1) zugewandten Stirnseite einen konzentrischen, die Dichtscheibe (2) überdeckenden Freischnitt (12) aufweist.
- Düse nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Düsenkörper (1) und die eingelagerte Düsenscheibe (2) sowohl in Längs- wie auch in Querrichtung spiegelsymmetrisch ausgebildet sind.
- Düse nach Anspruch 1, dadurch gekennzeichnet, dass der Düsenkörper (1) aus einem korrosions- und säurebeständigen Material besteht.
- Düse nach Anspruch 1, dadurch gekennzeichnet, dass die Düsenscheibe (2) aus einem polykristallinen Diamant besteht.
- Düse nach Anspruch 1, dadurch gekennzeichnet, dass die Düsenbohrung (3) einen von der Kreisform abweichenden Querschnitt aufweist, vorzugsweise eine elliptischen oder rechteckigen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10248357A DE10248357A1 (de) | 2002-10-17 | 2002-10-17 | Düse zur Erzeugung eines Hochdruckstrahls |
| DE10248357 | 2002-10-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1410846A1 true EP1410846A1 (de) | 2004-04-21 |
| EP1410846B1 EP1410846B1 (de) | 2010-03-31 |
Family
ID=32038730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03021417A Expired - Lifetime EP1410846B1 (de) | 2002-10-17 | 2003-09-23 | Düse zur Erzeugung eines Hochdruckstrahls |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7243865B2 (de) |
| EP (1) | EP1410846B1 (de) |
| JP (1) | JP2004148310A (de) |
| AT (1) | ATE462499T1 (de) |
| AU (1) | AU2003254727B2 (de) |
| DE (2) | DE10248357A1 (de) |
| ES (1) | ES2342267T3 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733250A (zh) * | 2016-11-23 | 2017-05-31 | 河池学院 | 一种喷涂机器人的喷头 |
| US12521727B2 (en) * | 2023-11-02 | 2026-01-13 | Nanchang University | High-pressure jet impact chamber structure and multi-parallel type pulverizing component |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7237308B2 (en) * | 2004-06-10 | 2007-07-03 | North Carolina State University | Composite hydroentangling nozzle strip and method for producing nonwoven fabrics therewith |
| GB0522444D0 (en) * | 2005-11-03 | 2005-12-14 | Miller Donald S | Cutting heads |
| JP2008253891A (ja) * | 2007-04-03 | 2008-10-23 | Takuma Co Ltd | ノズル装置 |
| US9168569B2 (en) | 2007-10-22 | 2015-10-27 | Stokely-Van Camp, Inc. | Container rinsing system and method |
| US8147616B2 (en) * | 2007-10-22 | 2012-04-03 | Stokely-Van Camp, Inc. | Container rinsing system and method |
| KR101337713B1 (ko) * | 2012-12-20 | 2013-12-06 | 주식회사 현대케피코 | 연료 미립화 밸브 시트 바디를 구비한 차량용 고압 직분식 인젝터 |
| CN205098658U (zh) * | 2013-03-21 | 2016-03-23 | Fl史密斯公司 | 喷嘴 |
| RU2641277C1 (ru) | 2016-12-26 | 2018-01-16 | Михаил Николаевич Болдырев | Устройство и способ для гидродинамической очистки поверхностей на основе микрогидроударного эффекта |
| DK3717047T3 (da) * | 2017-11-27 | 2022-03-07 | Softhale Nv | Dysebeslag til en inhalationsanordning |
| US11554461B1 (en) | 2018-02-13 | 2023-01-17 | Omax Corporation | Articulating apparatus of a waterjet system and related technology |
| WO2020060777A1 (en) * | 2018-09-21 | 2020-03-26 | Crafts Tech, Inc. | Unitized valve seat assembly |
| US20220105525A1 (en) * | 2020-10-02 | 2022-04-07 | Diamond Technology Innovations | Fan jet nozzle assembly |
| JP7651909B2 (ja) * | 2021-03-31 | 2025-03-27 | セイコーエプソン株式会社 | 液体噴射ノズル及び液体噴射装置 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH567907A5 (en) * | 1973-02-22 | 1975-10-15 | Bendix Corp | Textile fluid jet cutter - nozzle geometry permitting formation of long lasting coherent cutting jet |
| US4349947A (en) * | 1980-09-29 | 1982-09-21 | Nordson Corporation | Method for manufacturing an airless spray nozzle |
| US5033681A (en) * | 1990-05-10 | 1991-07-23 | Ingersoll-Rand Company | Ion implantation for fluid nozzle |
| DE9419809U1 (de) | 1994-12-10 | 1995-01-26 | Woma Apparatebau GmbH, 47226 Duisburg | Düseneinsatz für einen Düsenkopf einer Hochdruckwasserstrahleinrichtung |
| US5848753A (en) * | 1997-01-27 | 1998-12-15 | Ingersoll-Rand Company | Waterjet orifice assembly |
| US5893520A (en) * | 1995-06-07 | 1999-04-13 | Elkas; Michael V. | Ultra-dry fog box |
| WO2001044553A1 (fr) * | 1999-12-17 | 2001-06-21 | Rieter Perfojet | Dispositif pour le traitement de materiaux en feuille au moyen de jets d'eau sous pression |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3447756A (en) * | 1966-09-02 | 1969-06-03 | Robert C Lawrence Jr | Spray nozzle |
| US4258885A (en) * | 1979-03-23 | 1981-03-31 | Legeza Thomas B | Nozzle tip and method of manufacture |
| DE19536903C2 (de) * | 1995-10-04 | 1998-09-10 | Boehringer Ingelheim Int | Vorrichtung zum Haltern eines fluidischen Bauteils |
| US5730358A (en) * | 1995-12-22 | 1998-03-24 | Flow International Corporation | Tunable ultrahigh-pressure nozzle |
| US5730338A (en) * | 1996-09-23 | 1998-03-24 | Chrysler Corporation | Tire mounting bracket for the elimination of the spare tire obstruction |
| DE19849814A1 (de) * | 1998-10-29 | 2000-05-04 | Saechsische Werkzeug Und Sonde | Wasserstrahldüse in Wasserstrahlschneidköpfen |
| WO2000047329A1 (de) * | 1999-02-12 | 2000-08-17 | Alfred Kärcher GmbH & Co. | Strahlrohr für hochdruckreinigungsgeräte |
| US6817550B2 (en) * | 2001-07-06 | 2004-11-16 | Diamicron, Inc. | Nozzles, and components thereof and methods for making the same |
| US6722588B1 (en) * | 2003-04-09 | 2004-04-20 | Atomizing Systems, Inc. | Fog nozzle with jeweled orifice |
-
2002
- 2002-10-17 DE DE10248357A patent/DE10248357A1/de not_active Ceased
-
2003
- 2003-09-23 AT AT03021417T patent/ATE462499T1/de not_active IP Right Cessation
- 2003-09-23 DE DE50312563T patent/DE50312563D1/de not_active Expired - Lifetime
- 2003-09-23 ES ES03021417T patent/ES2342267T3/es not_active Expired - Lifetime
- 2003-09-23 EP EP03021417A patent/EP1410846B1/de not_active Expired - Lifetime
- 2003-10-14 US US10/683,284 patent/US7243865B2/en not_active Expired - Fee Related
- 2003-10-15 AU AU2003254727A patent/AU2003254727B2/en not_active Ceased
- 2003-10-17 JP JP2003358055A patent/JP2004148310A/ja active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH567907A5 (en) * | 1973-02-22 | 1975-10-15 | Bendix Corp | Textile fluid jet cutter - nozzle geometry permitting formation of long lasting coherent cutting jet |
| US4349947A (en) * | 1980-09-29 | 1982-09-21 | Nordson Corporation | Method for manufacturing an airless spray nozzle |
| US5033681A (en) * | 1990-05-10 | 1991-07-23 | Ingersoll-Rand Company | Ion implantation for fluid nozzle |
| DE9419809U1 (de) | 1994-12-10 | 1995-01-26 | Woma Apparatebau GmbH, 47226 Duisburg | Düseneinsatz für einen Düsenkopf einer Hochdruckwasserstrahleinrichtung |
| US5893520A (en) * | 1995-06-07 | 1999-04-13 | Elkas; Michael V. | Ultra-dry fog box |
| US5848753A (en) * | 1997-01-27 | 1998-12-15 | Ingersoll-Rand Company | Waterjet orifice assembly |
| WO2001044553A1 (fr) * | 1999-12-17 | 2001-06-21 | Rieter Perfojet | Dispositif pour le traitement de materiaux en feuille au moyen de jets d'eau sous pression |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733250A (zh) * | 2016-11-23 | 2017-05-31 | 河池学院 | 一种喷涂机器人的喷头 |
| US12521727B2 (en) * | 2023-11-02 | 2026-01-13 | Nanchang University | High-pressure jet impact chamber structure and multi-parallel type pulverizing component |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50312563D1 (de) | 2010-05-12 |
| ES2342267T3 (es) | 2010-07-05 |
| AU2003254727A1 (en) | 2004-05-13 |
| DE10248357A1 (de) | 2004-05-06 |
| EP1410846B1 (de) | 2010-03-31 |
| US7243865B2 (en) | 2007-07-17 |
| AU2003254727B2 (en) | 2008-03-06 |
| US20040164173A1 (en) | 2004-08-26 |
| ATE462499T1 (de) | 2010-04-15 |
| JP2004148310A (ja) | 2004-05-27 |
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