EP1844860A1 - Pistolet de pulvérisation avec une surface structurée pour la distribution d'un gaz de pulvérisation - Google Patents

Pistolet de pulvérisation avec une surface structurée pour la distribution d'un gaz de pulvérisation Download PDF

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Publication number
EP1844860A1
EP1844860A1 EP06007643A EP06007643A EP1844860A1 EP 1844860 A1 EP1844860 A1 EP 1844860A1 EP 06007643 A EP06007643 A EP 06007643A EP 06007643 A EP06007643 A EP 06007643A EP 1844860 A1 EP1844860 A1 EP 1844860A1
Authority
EP
European Patent Office
Prior art keywords
elevations
spray gun
depressions
air
compressed air
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
Application number
EP06007643A
Other languages
German (de)
English (en)
Other versions
EP1844860B1 (fr
Inventor
Alfred Göhring
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
J Wagner GmbH
Original Assignee
J Wagner GmbH
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 J Wagner GmbH filed Critical J Wagner GmbH
Priority to EP06007643.7A priority Critical patent/EP1844860B1/fr
Priority to CA2583888A priority patent/CA2583888C/fr
Priority to US11/732,930 priority patent/US7431223B2/en
Publication of EP1844860A1 publication Critical patent/EP1844860A1/fr
Application granted granted Critical
Publication of EP1844860B1 publication Critical patent/EP1844860B1/fr
Active legal-status Critical Current
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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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/06—Influencing flow of fluids in pipes or conduits by influencing the boundary layer
    • F15D1/065—Whereby an element is dispersed in a pipe over the whole length or whereby several elements are regularly distributed in a pipe
    • 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
    • Y10S239/14—Paint sprayers

Definitions

  • the invention relates to a spray gun for spraying paints and similar viscous media, which is pneumatically driven, consisting of a gun housing for receiving the drive, the mixing and / or the dosage-causing components of the spray gun, a projecting from the gun body handle and a reservoir on the gun housing removably mounted for receiving the medium to be processed, wherein the housing of the spray gun has an air duct through which the sputtering effecting compressed air flows to a spray nozzle, and to a device for guiding and / or distribution of gases, in particular compressed air , with a housing in which an air duct is provided.
  • the object of the invention is therefore to form a spray gun or a device for guiding and / or distribution of gases in such a way that alone with structural measures to achieve an increase in the air velocity and thus an increase in the delivery of the medium to be distributed or forwarded is.
  • the required construction work should be kept low, also the functionality should be fully guaranteed, yet a significantly higher amount of the medium with the same energy consumption but higher speed can be transported.
  • a spray gun of the aforementioned type characterized in that the acted upon by the flowing compressed air or wetted surfaces of the air duct and / or the atomizer nozzle and / or an air cap are wholly or partially provided with a structured surface by in this successively or laterally spaced depressions and / or elevations are incorporated.
  • the device for guiding and / or distributing gases is characterized in that the areas acted upon by the flowing compressed air or wetted surfaces of the housing are wholly or partially provided with a structured surface by successively in this or laterally spaced recesses and / or elevations are incorporated.
  • the projected areas of the depressions and / or elevations may each be circular, rectangular, oval, elliptical, lenticular or polygonal.
  • the depressions and / or elevations can also be designed as flow-aligned, preferably overlapping flakes.
  • the depressions and / or elevations should have a lateral extent of 1 to 10 mm and a maximum depth or a height of about a maximum of 3 mm.
  • the surfaces of a spray gun or a device that come into direct contact with compressed air, formed according to the invention so with the same energy consumption as in conventional smooth contact surfaces, a significant increase in the conveying speed is given, so that the flow rates can be significantly increased, without that it requires an increased energy expenditure.
  • the provided depressions and / or elevations namely the air resistance is reduced at the surfaces of the components.
  • increases in flow rates up to 30% can be achieved.
  • the delivery rate of a medium to be processed is considerably increased in this way.
  • the spray gun shown in FIG. 1 and designated 1 is used for spraying paints and similar viscous media and consists essentially of a gun housing 2 for receiving the components required for operating the spray gun 1, a handle 3 projecting from the gun housing 2 and a reservoir 5 for receiving the medium to be processed.
  • a pivotally mounted actuating lever 6 is provided, in the adjustment by means of the compressed air via a compressed air line 7 compressed air sucked from the reservoir 5 medium mixed with air from a spray nozzle 4 is ejected.
  • the reservoir 5 is screwed in the embodiment shown in an extension piece 8, which is firmly connected to the gun body 2 and in which a channel 9 is incorporated, which is connected to the reservoir 5 and an annular space 10.
  • the annular space 10 is created by a sleeve 12 into which a nozzle needle 13 is inserted.
  • the nozzle needle 11 by means of the handle 6 is adjustable to the right, so sucked by the spray gun 1 supplied compressed air to be processed medium from the reservoir 5 and through the atomizer 4, by means of a Nozzle nut 11 is supported on the gun housing 2 and the sleeve 12 is ejected.
  • the devices shown in Figures 4 and 5 and designated 31 and 41 for guiding and / or distribution of gases are acted upon by these surfaces of a housing 32 or 42 for the same purpose on the inner circumferential surfaces 33 and 43, respectively Wells 51 and / or ridges 52 equipped.
  • the device 31 is equipped with an outlet member 34 designed as a nozzle
  • the apparatus 41 is equipped with an inlet member 44, so that it acts as a diffuser.
  • each of the developments in detail shows schematically how the recesses 51 and / or the elevations 52 can be formed.
  • the indentations 51 incorporated in the inner lateral surface 22 are circular in their projected area and arranged regularly at a lateral distance from one another.
  • the depressions 51 are attached laterally offset on the inner lateral surface 22.
  • the recesses 51 adjoin one another directly, and according to FIG. 6d, the recesses 51, which are larger in diameter than in the previous embodiments, are arranged in series.
  • Figures 7a and 7b show sectional views of the gun body 2, so that the recesses 51 and the elevations 52 are recognizable as such.
  • the depressions 51 ' can be oval or elliptical; in their projected area, the depressions 51 "shown in FIG. 9 are formed as hexagon.
  • FIG. 10 shows the arrangement of circular depressions 51 and polygonal depressions 51 ' v in the inner circumferential surface 22nd
  • the inner lateral surface 22 of the air channel 21 of the spray gun 1 -as well as the other acted upon by compressed air surfaces can also, as can be seen in Figure 13, with elevations 52 '- and / or depressions - be equipped in the form of dandruff are designed.
  • the inner lateral surface 22 is thus to a certain extent covered with a shark skin, by means of which the flow resistance of the flowing pressure gap is reduced.
EP06007643.7A 2006-04-12 2006-04-12 Pistolet de pulvérisation avec une surface structurée pour la distribution d'un gaz de pulvérisation Active EP1844860B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP06007643.7A EP1844860B1 (fr) 2006-04-12 2006-04-12 Pistolet de pulvérisation avec une surface structurée pour la distribution d'un gaz de pulvérisation
CA2583888A CA2583888C (fr) 2006-04-12 2007-04-04 Pistolet de pulverisation
US11/732,930 US7431223B2 (en) 2006-04-12 2007-04-05 Spray gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06007643.7A EP1844860B1 (fr) 2006-04-12 2006-04-12 Pistolet de pulvérisation avec une surface structurée pour la distribution d'un gaz de pulvérisation

Publications (2)

Publication Number Publication Date
EP1844860A1 true EP1844860A1 (fr) 2007-10-17
EP1844860B1 EP1844860B1 (fr) 2013-12-18

Family

ID=36586060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06007643.7A Active EP1844860B1 (fr) 2006-04-12 2006-04-12 Pistolet de pulvérisation avec une surface structurée pour la distribution d'un gaz de pulvérisation

Country Status (3)

Country Link
US (1) US7431223B2 (fr)
EP (1) EP1844860B1 (fr)
CA (1) CA2583888C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11950677B2 (en) 2019-02-28 2024-04-09 L'oreal Devices and methods for electrostatic application of cosmetics

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2189225B1 (fr) * 2008-11-19 2012-12-12 J. Wagner GmbH Pistolet de pulvérisation de couleur doté d'une déviation de faisceau de couleur
US8550376B2 (en) 2009-11-17 2013-10-08 Black & Decker Inc. Paint sprayer
US8413911B2 (en) 2009-11-17 2013-04-09 Black & Decker Inc. Paint sprayer
US8740111B2 (en) 2009-11-17 2014-06-03 Black & Decker Inc. Paint sprayer
WO2011062986A1 (fr) 2009-11-17 2011-05-26 Black & Decker Inc. Pulvérisateur de peinture
US8651402B2 (en) * 2009-11-17 2014-02-18 Black & Decker Inc. Adjustable nozzle tip for paint sprayer
WO2011062992A1 (fr) * 2009-11-17 2011-05-26 Black & Decker Inc. Mécanisme à libération rapide pour pistolet à peinture
KR101692347B1 (ko) * 2015-04-17 2017-01-03 주식회사 에스엠뿌레 분무기 및 분무조절장치
DE102016107465A1 (de) * 2016-04-22 2017-10-26 J. Wagner Gmbh Farbsprühgerät

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800291A (en) * 1950-10-24 1957-07-23 Stephens Arthur Veryan Solid boundary surface for contact with a relatively moving fluid medium
US5386955A (en) * 1986-05-22 1995-02-07 Rolls-Royce Plc Control of fluid flow
US5860626A (en) * 1993-10-20 1999-01-19 Moser; Josef Surface of a body exposed to circumfluent fluid
DE10023408A1 (de) * 2000-04-18 2001-10-25 Vorwerk Co Interholding Luftströmungskanal
AU745411B2 (en) * 1998-05-13 2002-03-21 Charles Loegel Device for increasing the power of media flowing along a body at a high speed or a very fast moving body in a medium and use thereof as a high pressure nozzle
US20040083938A1 (en) * 2001-02-02 2004-05-06 Fred Olsen Recesses on a surface
WO2005038271A1 (fr) * 2003-10-07 2005-04-28 Nikolaus Vida Surface a depot de particule reduit et a formation de glace reduite
US20050269425A1 (en) * 2004-06-04 2005-12-08 J. Wagner Gmbh Spray gun

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646314A (en) * 1950-10-19 1953-07-21 Vilbiss Co Spray nozzle
US4349153A (en) * 1980-07-29 1982-09-14 Champion Spark Plug Company Spray nozzle
US4478370A (en) * 1982-03-19 1984-10-23 Nordson Corporation Air atomizing nozzle assembly
US4501394A (en) * 1983-05-09 1985-02-26 Graco Inc. Spray gun air cap and method of making
GB0122208D0 (en) * 2001-09-14 2001-11-07 Vincent Ltd G Spray gun
US20050242207A1 (en) * 2004-05-03 2005-11-03 Ramon Tejeda Spray gun coupled with a quick connect ring nut and a spring-loaded air diverter and a method for assembling the same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800291A (en) * 1950-10-24 1957-07-23 Stephens Arthur Veryan Solid boundary surface for contact with a relatively moving fluid medium
US5386955A (en) * 1986-05-22 1995-02-07 Rolls-Royce Plc Control of fluid flow
US5860626A (en) * 1993-10-20 1999-01-19 Moser; Josef Surface of a body exposed to circumfluent fluid
AU745411B2 (en) * 1998-05-13 2002-03-21 Charles Loegel Device for increasing the power of media flowing along a body at a high speed or a very fast moving body in a medium and use thereof as a high pressure nozzle
DE10023408A1 (de) * 2000-04-18 2001-10-25 Vorwerk Co Interholding Luftströmungskanal
US20040083938A1 (en) * 2001-02-02 2004-05-06 Fred Olsen Recesses on a surface
WO2005038271A1 (fr) * 2003-10-07 2005-04-28 Nikolaus Vida Surface a depot de particule reduit et a formation de glace reduite
US20050269425A1 (en) * 2004-06-04 2005-12-08 J. Wagner Gmbh Spray gun

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11950677B2 (en) 2019-02-28 2024-04-09 L'oreal Devices and methods for electrostatic application of cosmetics

Also Published As

Publication number Publication date
CA2583888A1 (fr) 2007-10-12
EP1844860B1 (fr) 2013-12-18
US7431223B2 (en) 2008-10-07
US20070241208A1 (en) 2007-10-18
CA2583888C (fr) 2012-04-03

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