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EP2189225B1 - Pistolet de pulvérisation de couleur doté d'une déviation de faisceau de couleur - Google Patents

Pistolet de pulvérisation de couleur doté d'une déviation de faisceau de couleur Download PDF

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Publication number
EP2189225B1
EP2189225B1 EP08020160A EP08020160A EP2189225B1 EP 2189225 B1 EP2189225 B1 EP 2189225B1 EP 08020160 A EP08020160 A EP 08020160A EP 08020160 A EP08020160 A EP 08020160A EP 2189225 B1 EP2189225 B1 EP 2189225B1
Authority
EP
European Patent Office
Prior art keywords
air
colour
spray gun
passage opening
gun according
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.)
Not-in-force
Application number
EP08020160A
Other languages
German (de)
English (en)
Other versions
EP2189225A1 (fr
Inventor
Alfred Göhring
Thomas Jeltsch
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 EP08020160A priority Critical patent/EP2189225B1/fr
Priority to US12/620,653 priority patent/US20100123020A1/en
Publication of EP2189225A1 publication Critical patent/EP2189225A1/fr
Application granted granted Critical
Publication of EP2189225B1 publication Critical patent/EP2189225B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
    • 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
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
    • B05B7/0823—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter comprising a rotatable spray pattern adjusting plate controlling the flow rate of the spray shaping gas jets
    • 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
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
    • B05B7/083—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter comprising rotatable spray shaping gas jet outlets
    • 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
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2435—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together by parallel conduits placed one inside the other

Definitions

  • the invention relates to a paint spray gun with color beam deflection according to the preamble of claim 1.
  • Spray guns find a variety of applications in the craft sector. Both in professional painters and Lackier Scheme as well as home improvement and semi-professional application spray guns are known in a large number of configurations.
  • HVLP high vacuum pressure
  • the prevailing principle of spray guns always refers back to the mechanism that a small amount of defined color from a paint dispenser, usually a needle valve and radially symmetrical flows around an air jet, which entrains the color and produces a fine paint mist, a so-called spray.
  • a spray or color jet is usually also formed radially symmetrical, which is often perceived as a disadvantage in the coating of flat surfaces.
  • the present invention has now the object to provide a spray gun with color beam deflection available, which avoids the disadvantages of the prior art.
  • the paint spray gun with color jet deflection comprises a spray gun body with ink reservoir, a paint dispenser, a Heilstromkulisse with flow openings, an air cap with flow openings and a first flowed through air horn or air horn with a first air passage cross-section and at least a second flow-through air horn or air horn with a second air passage cross-section, said the Heilstromkulisse is arranged in the air flow direction in front of the air cap in the region of the ink dispenser.
  • the invention is characterized in that the first air passage cross-section is formed larger than at least the second air passage cross-section.
  • the ink dispenser may be formed as a complete valve assembly, but it may also include only one ink delivery channel with a movable needle, which then forms a needle valve assembly in combination with the Heilstromkulisse.
  • the air flow direction corresponds to the longitudinal axis of the upper gun body and gives essentially the exit direction of the sprayed color jet.
  • the ratio of the air passage cross sections of the air horns to each other offers the possibility to promote different amounts of air, since at a defined air flow inside the gun body and the resulting defined internal pressure of the free cross section of a passage area decides on the passing air quantity.
  • the first air passage cross section in a first air funnel is formed from a double channel system and in a second air funnel the second air passage cross section is formed from a single channel.
  • Air ducts offer little resistance when possible edge-free design of the guided air flow, so that turbulence and vortex formations are avoided in the air flow. Air ducts can be easily realized by manipulators or through holes especially in the manufacturing process of the air horn as an injection molded part.
  • an elongated longitudinal axis of the first air passage cross section with an elongated longitudinal axis of the second air passage cross section with a sprayed ink jet substantially forms an intersection.
  • the extended direction axes and the sprayed color jet meet essentially at an intersection point.
  • the effect of air currents on the color jet is to be designed such that at least one subcomponent the direction of flow of a shaping air jet is not in the spray direction.
  • the color jet thus experiences a transverse force, which influences the color jet geometry, in particular generates a flat jet.
  • a preferably centrally arranged ink passage opening in particular in cooperation with a valve needle as Farbdosiervoriques is provided in the air flow scenery.
  • the arranged at the front end of the gun body Heilstromkulisse can act as part of a Farbdosiervorides via a centrally disposed paint passage by a arranged in the gun body needle element, which is on a control element, preferably a trigger guard on the handle of the spray gun, movable, formed with the paint passage opening a needle valve.
  • the air cap is preferably pierced centrally by a Farbdosiervorraum.
  • the Farbdosietvoriques which is preferably designed as a needle valve assembly can be formed either by the air flow backdrop or otherwise formed components of the paint spray gun according to the invention. To avoid contamination in the airways during operation, it is advantageous to pass the color beam as possible after its generation by the nebulization of the metered paint by passing air, not by components of the paint spray gun, but the Farbdosiervortechnischetic for generating the color beam through, on lead the air cap resting on the front end of the paint spray gun.
  • the air funnels are designed as separate individual elements which can be fastened to the air cap and are preferably attachable.
  • the air horns are much easier, for example, produced by injection molding. They can be produced as air funnel forming, mutually foldable half-shells, which are connected by means of a film hinge, and which are fixed by fastening to the air cap in the attachment point to each other.
  • the air cap is rotatable relative to the Heilstromkulisse formed around the air flow direction or about a longitudinal axis of the gun body and / or the Heilstromkulisse inserted in the gun body, preferably formed using defined insertion positions.
  • a rotatable position of the air cap relative to the Heilstromkulisse allows the realization of different coverage positions of the two parts one above the other.
  • different air guiding tasks can be achieved by different cover positions of the respective air flow openings, which corresponds for example to a switchover between a radially symmetrical omnidirectional jet and a flat jet.
  • the airflow scenery may also be designed to be removable from the gun body.
  • a removable Heilstromkulisse can be used in a rotated relative to the pistol body position back into the body, so that the Heil josströmötechnisch the Heilstromkulisse with respect to the gun body to solve various air ducting tasks can be variably arranged.
  • the air flow scenery comprises a color passage opening, at least one air passage opening on a first radius around the color passage opening and at least one second air passage opening on a second radius around the color passage opening.
  • the defined arrangement of the air passage openings radially symmetrical about a color passage opening offers for the solution of defined air management tasks from a radially symmetric symmetry system comprising different defined coverage conditions of the flow openings in the air flow scenery and in the air cap.
  • At least one air passage opening comprises both the first radius around the color passage opening and the second radius around the color passage opening.
  • Such a trained air passage opening in the air flow scenery offers the opportunity to provide an air flow with an enlarged cross-section available, which can be limited only by the downstream in the flow direction air cap in its cross section.
  • the enlarged air passage opening between the first radius and the second radius is interrupted by a web, for example, but both resulting openings are formed radially circumferentially at the same position.
  • At least one forced ventilation opening between two working air openings is provided on the first radius around the color passage opening, and at least one working air opening is provided on the second radius between two forced ventilation openings.
  • those passage openings are referred to, which act actively on the generated color beam, on the one hand for generating a flat jet, on the other hand, for oblique deflection from the color exit direction for the operation of the oblique spraying.
  • Forced air vents allow even with fully or partially closed working air openings a constant air flow rate of the blower, so that damage to the blower, for example by backwater and thus reduced cooling, are avoided.
  • the forced ventilation openings do not affect the color jet or insignificant, but ensure that vented areas of contamination and paint deposits are kept free during operation of the spray gun.
  • the air flow scenery has an inner air throughflow area around a preferably central color passage opening.
  • a throughflow area surrounding the color passage opening is necessary for the formation of a defined symmetrical color jet, since the most uniform laminar airflow at the front color outlet opening must entrain and atomize the exiting paint. In this case, unevenness or depressions in the surface of the air stream backdrop have proven to be advantageous, which improve the flow behavior of the air flowing past.
  • the air cap has a centric flow opening.
  • the air cap In addition to the color jet, the air cap must also guide the amount of air carrying the jet of color. In the case of piercing the air cap through the Farbdosiervoriques the air flow, which forms the jet of color must be performed to Farbdosiervorides.
  • the air passage gap forming between the centric flow opening of the air cap and the air flow gate is also referred to as an annular gap.
  • the air cap on a first radius at least one air passage opening, preferably four pairs Having mirror-symmetrically arranged air passage openings.
  • Such air passage openings are provided as air outlet openings to ensure a constant air flow volume for the round jet operation.
  • the air outlet openings can be developed so that you can communicate with a working air opening of the first or second radius.
  • first air horn and the second air horn are arranged opposite one another, preferably radially symmetrically between further air passage openings.
  • Opposing air funnels can transform the emerging color theft either by acting on both sides of the air streams to a flat jet, or provide in asymmetric operation, preferably in one-sided operation, a color beam deflection of the original color beam direction in an angled direction.
  • the other air passage openings represent air outlet openings for the omnidirectional operation or to avoid dirt deposits in the airways.
  • At least one air passage opening is to be brought onto the air cap with at least one air passage opening on a radius around the paint passage opening on the air flow curtain in such a way that a continuous air passageway is formed.
  • Such arranged in cover to each other air passage openings offer a variety of combinations of air ducts, which are suitable for solving a variety of air handling tasks, such as the generation of an omnidirectional, a horizontal flat jet, a vertical flat jet and an oblique deflection to the side, up or down.
  • FIG. 1 a paint spray gun 1, constructed of a pistol body 2, an air cap 4 behind an air cap 3 and a cap securing the air cap 5 on a thread 6.
  • the paint spray gun 1 further comprises a paint reservoir 7 and an air supply port 8 and a Farbdosierabzug 9. Radialsymmetrisch to the air flow direction 10, which corresponds in principle to the longitudinal axis of the gun body 2 are arranged on the air cap 3, a first air horn 61 and a second air horn 62 in the form of air horns.
  • the paint outlet opening 11, in the present case in the form of a needle valve, is guided through a central air passage opening 60 in the air cap 3, which forms an annular gap together with the air gap for the air flow through the jet producing the jet.
  • Other components covered by the paint spray gun are not or only slightly developed in the present case, so that a detailed description does not take place. The knowledge of the prior art is expressly incorporated.
  • FIG. 2 shows a paint spray gun 1 with removed cap nut 5, removed air cap 3 and remote air curtain 4.
  • the color dispenser 20 is filled in use with paint from the reservoir 7 and seals with the air gate 4 via a sealing element 21 against the air flow volume 22 in the gun body 2 from.
  • a latching element 23 is provided, which allows defined locking positions of the air slide to be used.
  • the needle 24 is designed to be movable via the paint metering hood 9 and, in cooperation with the ink passage opening 40 of the air gate 4, provides a paint metering device in the form of a needle valve.
  • FIG. 3 shows different applications of a Paint spray gun 1 according to the invention with color beam deflection. Without activated color beam deflection, the operation can be carried out, for example, with a round color jet or a horizontal or vertical flat jet as shown in FIG.
  • the gun does not have to be tilted by 90 degrees, as this prevents the color from flowing out of the paint reservoir into the mounting area of the ink reservoir.
  • the handling of a paint spray gun especially for longer work is significantly improved when a natural hand attitude approximate attitude can be taken. Since a landing angle 34 of the color jet on the surface of 90 degrees is always desired for a successful and high-quality color coating of a surface, improved handling of the spray gun can be ensured in the oblique spray operation upwards 32 by the color beam deflection.
  • the air flow gate 4 has around its center of the paint passage opening 40 on an outer first radius 41 and an inner second radius 42.
  • On the first link radius 41 are radially symmetric in the distance each arranged a quarter turn air outlet openings, which differ in the available cross-sections.
  • the small forced ventilation opening 43 is surrounded on both sides by two working air openings 44, 45, and has, on the opposite side, an enlarged working air opening 46, moreover.
  • On an inner second link radius 42 is also the enlarged working air opening 46, surrounded by two forced ventilation 47,48 and opposite an internal working air opening 49th
  • FIG. 5 illustrated perspective view of the air flow gate 4 shows the intended for cooperation with the locking element 23 grooves 51,52,53,54, which provide defined positions of the air gate 4 in the gun body 2.
  • the radial symmetrical inner air flow area 55 serves to generate the color jet from the paint emerging from the color passage opening 40.
  • the region located within the inner radius 42 is at least partially provided with troughs 56 which provide improved airflow behavior.
  • FIG. 6 shows an air cap 3 in front view with a first air horn 61 and a second air horn 62.
  • the central passage opening 60 forms together with this piercing cone 57 of the air gate 4 an intermediate annular gap, which favors the formation of an optimal color theft.
  • On a cap radius 63 surrounding the central opening 60 air outlet openings 64, 65, 66, 67 are arranged, which allow a controlled release of air in the omnidirectional mode.
  • the first air horn 61 has a first air passage cross-section 68, which through a inner air passage 68a and an outer air passage 68b is formed.
  • the second air horn 62 as the second cross-section 69, has only one air duct 69a.
  • FIG. 7 is a perspective view of the air cap 3 according to the invention is shown, which also has on parts of the surface wells 71 for improved air flow.
  • the air funnels can either be produced in one piece with the air cap 3, for example by injection molding, or they can be produced in a simplified manner as separate parts, for example folded parts formed in half.
  • the halves produced in this way could be fixed in a folded fashion by means of a film hinge connection in the region 72 and be introduced into a fastening region 73, for example into a dovetail structure or a different rear engagement structure, whereby a firm connection with the air cap 3 is produced.
  • the air cap 3 and the air gate 4 are now positioned relative to one another in such a way that a specific combination of working air openings 44, 45, 46, 49 can be applied to a specific combination of air outlet openings 64, 65, 66, 67 or air ducts 68 a, 68 b, 69 a to meet.
  • a specific combination of working air openings 44, 45, 46, 49 can be applied to a specific combination of air outlet openings 64, 65, 66, 67 or air ducts 68 a, 68 b, 69 a to meet.
  • the operation with color beam deflection is described above.
  • Port 46 shown meets in the indicated position on both channels 68a and 68b.
  • the inside of the radius 63 ending channel 69 a which corresponds to the position on the radius 41 of the air cap and thus the forced ventilation 43, is supplied only with a very small amount of air, the settling of Color particles in the channel 69a prevented.
  • the openings 64,65,66,67 of the air cap 3 are in this position without function. In this way, the exiting jet of color is deflected by the exiting from the first air horn 61 through its first cross-section 68 air amount upwards, which is the mode 32 from FIG. 3 equivalent.
  • the opening 49 meets the channel 68a, wherein the channel 68b only receives forced ventilation through the opening 43.
  • the channel 69a lies in this case over the enlarged opening 46, and thus receives the air volume corresponding to its cross-section 69.
  • this setting is a non-deflected but formed as a horizontal flat jet color beam.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Nozzles (AREA)

Claims (15)

  1. Pistolet de pulvérisation de peinture (1) avec déviation du faisceau de peinture comprenant un corps de pistolet de pulvérisation (2) équipé d'un réservoir de peinture (7), un dispositif distributeur de peinture (20), un élément de guidage de flux d'air (4) muni d'ouvertures de passage, un capuchon d'air (3) muni d'ouvertures de passage et un premier élément d'orientation ou de concentration de l'air (61) traversé par l'air comprenant une première section de passage de l'air (68) et au moins un second élément d'orientation ou de concentration de l'air (62) traversé par l'air comprenant avec une seconde section de passage de l'air (69), l'élément de guidage du flux d'air (4) étant monté, dans la direction découlement de l'air (10) en amont du capuchon d'air (3) dans la zone du dispositif distributeur de peinture (20),
    caractérisé en ce que
    la première section de passage de l'air (68) est élargie par rapport à la ou aux seconde(s) section(s) de passage de l'air (69).
  2. Pistolet de pulvérisation de peinture conforme à la revendication 1,
    caractérisé en ce que
    dans un premier élément d'orientation de l'air (61), la première section de passage de l'air (68) est formée d'un système à double canal (68a, 68b), tandis que dans un second élément d'orientation de l'air (62) la seconde section de passage de l'air (69) est formée d'un seul canal (69a).
  3. Pistolet de pulvérisation de peinture conforme à la revendication 1 ou 2,
    caractérisé en ce que
    le prolongement de l'axe longitudinal de la première section de passage de l'air (68) forme, avec le prolongement de l'axe longitudinal de la seconde section de passage de l'air (69) et, avec l'axe longitudinal du faisceau de peinture projeté essentiellement à un point d'intersection.
  4. Pistolet de pulvérisation de peinture conforme à l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de guidage du flux d'air (4) comporte, en tant que dispositif doseur de la peinture une ouverture de passage de la peinture (40) de préférence médiane coopérant, en particulier avec une aiguille de soupape (24).
  5. Pistolet de pulvérisation de peinture conforme à l'une des revendications précédentes,
    caractérisé en ce que
    le capuchon d'air (3) est percé de préférence à sa partie médiane par un dispositif doseur de peinture.
  6. Pistolet de pulvérisation de peinture conforme à l'une des revendications précédentes,
    caractérisé en ce que
    les éléments d'orientation de l'air (61, 62) sont réalisés sous la forme d'éléments indépendants pouvant être fixés et de préférence enfichés sur le capuchon d'air (3).
  7. Pistolet de pulvérisation de peinture conforme à l'une des revendications précédentes,
    caractérisé en ce que
    le capuchon d'air (3) est mobile en rotation par rapport à l'élément de guidage du flux d'air (4) autour de la direction de circulation de l'air (10) ou autour de l'axe longitudinal du corps de pistolet (2) et/ou l'élément de guidage du flux d'air (4) est enfichable dans le corps de pistolet (2), de préférence en utilisant des positions d'enfichage définies.
  8. Pistolet de pulvérisation de peinture conforme à l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de guidage du flux d'air (4) comporte une ouverture de passage de la peinture (40), au moins une ouverture de passage de l'air située sur un premier rayon (41) autour de l'ouverture de passage de la peinture (40), et au moins une seconde ouverture de passage de l'air située sur un second rayon (42) autour de l'ouverture de passage de la peinture (40).
  9. Pistolet de pulvérisation de peinture conforme à la revendication 8,
    caractérisé en ce qu'
    au moins une ouverture de passage de l'air (46) s'étend sur le premier rayon (41) autour de l'ouverture de passage de la peinture et également sur le second rayon (42) autour de l'ouverture de passage de la peinture.
  10. Pistolet de pulvérisation de peinture conforme à la revendication 8 ou 9,
    caractérisé en ce qu'
    il est prévu sur le premier rayon (41) autour de l'ouverture de passage de la peinture (40) au moins une ouverture de ventilation forcée (43) située entre deux ouvertures de passage d'air de travail (44, 45), et, sur le second rayon (42) au moins une ouverture de passage d'air de travail (49) située entre deux ouvertures de ventilation forcée (47, 48).
  11. Pistolet de pulvérisation de peinture conforme à l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de guidage du flux d'air (4) comporte, autour d'une ouverture de passage de la peinture (40) de préférence médiane une zone de passage de l'air interne (55).
  12. Pistolet de pulvérisation de peinture conforme à l'une des revendications précédentes,
    caractérisé en ce que
    le capuchon d'air (3) comporte une ouverture de passage centrale (60).
  13. Pistolet de pulvérisation de peinture conforme à l'une des revendications précédentes,
    caractérisé en ce que
    le capuchon d'air (3) comporte, sur un premier rayon (63) au moins une ouverture de passage de l'air, de préférence quatre ouvertures de passage de l'air (64, 65, 66, 67) réparties par paires avec une symétrie de miroir.
  14. Pistolet de pulvérisation de peinture conforme à l'une des revendications précédentes,
    caractérisé en ce que
    le premier élément d'orientation de l'air (61) et le second élément d'orientation de l'air (62) sont situés en regard, de préférence avec une symétrie radiale entre d'autres ouvertures de passage de l'air (64, 65, 66, 67).
  15. Pistolet de pulvérisation de peinture conforme à l'une des revendications précédentes,
    caractérisé en ce que
    au moins une ouverture de passage de l'air, de préférence au moins un élément d'orientation de l'air (61) et (62) du capuchon d'air (3) peut recouvrir au moins une ouverture de passage de l'air (43, 44, 45, 46, 47, 48, 49) située sur un rayon (41, 42) autour de l'ouverture de passage de la peinture (40), de l'élément de guidage du flux d'air (4) de façon à obtenir un canal de passage de l'air traversant.
EP08020160A 2008-11-19 2008-11-19 Pistolet de pulvérisation de couleur doté d'une déviation de faisceau de couleur Not-in-force EP2189225B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08020160A EP2189225B1 (fr) 2008-11-19 2008-11-19 Pistolet de pulvérisation de couleur doté d'une déviation de faisceau de couleur
US12/620,653 US20100123020A1 (en) 2008-11-19 2009-11-18 Paint spray gun with paint jet deflection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08020160A EP2189225B1 (fr) 2008-11-19 2008-11-19 Pistolet de pulvérisation de couleur doté d'une déviation de faisceau de couleur

Publications (2)

Publication Number Publication Date
EP2189225A1 EP2189225A1 (fr) 2010-05-26
EP2189225B1 true EP2189225B1 (fr) 2012-12-12

Family

ID=40561852

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EP08020160A Not-in-force EP2189225B1 (fr) 2008-11-19 2008-11-19 Pistolet de pulvérisation de couleur doté d'une déviation de faisceau de couleur

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US (1) US20100123020A1 (fr)
EP (1) EP2189225B1 (fr)

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CN104150083B (zh) * 2014-05-12 2016-03-02 济南大学 单操作液洗重垢薄膜涂附装置
CN104309938A (zh) * 2014-08-26 2015-01-28 济南大学 薄膜挤出式洗衣液装置的应用
CN104309939A (zh) * 2014-08-26 2015-01-28 济南大学 可循环单操作液洗重垢薄膜涂附装置的应用
CN104192438A (zh) * 2014-08-28 2014-12-10 济南大学 洗涤剂定量涂附装置
CN104229287B (zh) * 2014-08-28 2016-08-17 济南大学 重垢可涂附的浆状洗涤剂装
CN104229286A (zh) * 2014-08-28 2014-12-24 济南大学 可循环单操作液洗重垢薄膜涂附装置
US11950677B2 (en) 2019-02-28 2024-04-09 L'oreal Devices and methods for electrostatic application of cosmetics
USD1028171S1 (en) * 2021-08-20 2024-05-21 Zhejiang Prulde Electric Appliance Co., Ltd. Spray gun
USD1019896S1 (en) * 2021-08-20 2024-03-26 Zhejiang Prulde Electric Appliance Co., Ltd. Spray gun

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EP2189225A1 (fr) 2010-05-26
US20100123020A1 (en) 2010-05-20

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