EP3108965B1 - Portable paint system - Google Patents

Portable paint system Download PDF

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Publication number
EP3108965B1
EP3108965B1 EP15173263.3A EP15173263A EP3108965B1 EP 3108965 B1 EP3108965 B1 EP 3108965B1 EP 15173263 A EP15173263 A EP 15173263A EP 3108965 B1 EP3108965 B1 EP 3108965B1
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EP
European Patent Office
Prior art keywords
paint
compressor
flask
pressure
truncated cone
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EP15173263.3A
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German (de)
French (fr)
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EP3108965A1 (en
Inventor
Roman Gold
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Lufthansa Technik AG
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Fa Lackdesign-Inh Roman Gold EU
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Application filed by Fa Lackdesign-Inh Roman Gold EU filed Critical Fa Lackdesign-Inh Roman Gold EU
Priority to EP15173263.3A priority Critical patent/EP3108965B1/en
Priority to PCT/EP2016/063183 priority patent/WO2016206986A1/en
Publication of EP3108965A1 publication Critical patent/EP3108965A1/en
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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
    • 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
    • B05B7/2416—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 characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
    • 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
    • B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
    • B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
    • 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
    • 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
    • B05B7/2478—Gun with a container which, in normal use, is located above the gun

Definitions

  • paint spray gun for applying paint
  • a paint can usually located on the paint gun
  • a type of compressed air supply By supplying compressed air, the paint is atomized and a spray applied to the point to be painted.
  • the supply of compressed air is usually via a compressor that works like a pressure pump and only generates compressed air when it is needed.
  • Compressors are also usually heavy equipment that can be brought to the site with great difficulty and require a constant power supply. For paint work inside an aircraft very strict rules apply, so internal parts of an aircraft are removed and painted outside and then reinstalled.
  • US 2010/122745 A1 describes a container for spray coating a human, the container comprising a body coating composition.
  • the container comprising a body coating composition.
  • the containers are connected to outside valves with internal valves in the spray device. Pumps may be present.
  • US 2007/272707 A1 describes an independent paint application equipment employable with refillable rollers or spray guns and comprising a portable tank having two separate storage chambers, one for the paint and the other for operating components such as a gas cylinder, engine and controls.
  • WO 2013/049260 A2 describes a liquid dispensing device comprising a bottle having an inner and an outer container filled with a liquid, a valve, and a portable dispenser having a detection zone and an activation zone. An external power supply is also available.
  • US 2001/030241 A1 describes a portable system for spraying viscous materials to form truck cargo liner liners.
  • Containers with the coating material and two pumps, which transport the coating material to a spray gun, are arranged in a portable handcart.
  • a compressor is also arranged on the trolley.
  • US 2006/120794 A1 describes a connector between a paint container and a paint dispenser that allows commercial containers to be used as part of a mobile fluid dispenser.
  • the connector has a lid for leak-free attachment to the container of viscous and semi-viscous liquids, with a tube extending from the interior of the container through the lid to a pump, and a flexible tube.
  • DE 10 2009 048022 A1 describes a portable paint sprayer comprising a base station with a drive unit and a tubular lance having a first channel for passing the paint and a second channel for passing the air flow, wherein the drive unit comprises a first working unit for generating an air flow, a second working unit for generating a Color stream and comprises a control unit, wherein the lance has an operating unit and a spray head, the lance is connected via an air line to the first working unit and the lance is connected via a paint line to the second working unit.
  • US 2008/061166 A1 describes a portable, self-propelled sprayer that produces a foam spout spray from a liquid.
  • the spray device comprises separate air and liquid delivery systems which separately introduce air and liquid into a mixing chamber.
  • a pump can be present.
  • the air supply system may include a compressor.
  • US 5 074 467 A describes a paint spraying system including a blower motor with a cooling fan, a high volume, low pressure blower fan driven by the blower motor, an air line connecting the blower motor outlet with a spray gun, and a valve in the spray gun.
  • the object of the invention is to provide a painting system which is easy to handle and portable.
  • a painting system constructed in this way is compact and can easily be carried by a person to the site.
  • the use in aircraft is preferred, since there are strict rules in terms of pressure vessel and power requirements in aircraft.
  • the on-board network in large passenger aircraft has a rated voltage of 115/200 V and 400 Hz. Therefore, commercial air compressors can not be used.
  • the entrainment of pressure vessels is also possible only after enormous bureaucratic effort, which is why the use of battery-powered compressors is necessary.
  • the fine pressure gauge regulates the spray pressure.
  • the compressor may comprise a pressure vessel, which is filled by the motor of the compressor with compressed air.
  • the pressure vessel is pressurized by the compressor.
  • By pressing the trigger of the spray gun compressed air flows out of the pressure vessel and atomizes the paint contained in the paint bottle. If the pressure in the autoclave falls below a certain, predetermined minimum value, the compressor starts to work again and increases the pressure to the previously set value. Thus, the compressor does not have to run during the entire painting process, which results in an energy saving that allows a longer painting time.
  • the pressure in the pressure vessel of the compressor can be 2 bar to 8 bar.
  • the motor of the compressor pressurizes the pressure vessel with a pressure of 2 to 8 bar. This is a pressure sufficient to generate a suitable spray pressure.
  • the filter may have a cylindrical shape with a truncated cone mounted on the cylindrical shape, the truncated cone being disposed at the end of the cylindrical body which faces inside the paint bottle, the truncated cone having a hole at the narrow end, whose diameter is smaller than the diameter of the at least one ball which is present in the paint vial, and on the lateral surface has at least one hole whose diameter is smaller than the diameter of the at least one ball, and wherein the cylindrical shape and the truncated cone are made in one piece ,
  • the at least one ball in the paint bottle is used to mix the color. Since the paint bottle is inserted into the paint gun with the opening down into the receptacle, the ball can clog the opening.
  • the filter makes this impossible.
  • the ball lays on the hole at the narrow end of the truncated cone, the paint can flow through the holes in the lateral surface in the paint spray gun.
  • the size of the holes in the filter is dimensioned so that the ball can not pass through.
  • the truncated cone is preferably designed so that the horizontal distance between the narrow end of the truncated cone and the inner surface of the paint bottle is smaller than the diameter of the balls, so that the balls can not lay on the holes of the lateral surface.
  • the compressor may be disposed in an insulated housing. This fulfills the worker protection.
  • Another aspect of the invention relates to the use of a portable painting system according to any one of the preceding claims for repairing paint damage in aircraft.
  • the use in aircraft is preferred, since there are strict rules in terms of pressure vessel and power requirements in aircraft.
  • the on-board network in large passenger aircraft has a rated voltage of 115/200 V and 400 Hz. Therefore, commercial air compressors can not be used.
  • the entrainment of pressure vessels is also possible only after enormous bureaucratic effort, which is why the use of battery-powered compressors is necessary.
  • the paint damage may be at most the dimensions of an A4 sheet (210 x 297 mm).
  • A4 sheet 210 x 297 mm.
  • Fig. 1 shows a painting system according to the present invention.
  • Fig. 2 shows a filter according to the present invention.
  • the painting system 1 comprises a compressor 2, a fine gauge 3, a hose 4, an exchangeable paint bottle 5 and a spray gun 6.
  • An accumulator 7 is connected to the compressor 2, the provides the energy for the compressor 2.
  • a carrying handle 13 is provided to carry the painting system 1 to the desired location.
  • the spray gun 6 has a receptacle 8 for the exchangeable paint bottle 5, wherein the receptacle 8 is formed for the paint bottle 5 suitable for the paint bottle 5.
  • the paint bottle 5 can thus fit to be inserted into the receptacle 8, it can not leak any color, since the connection between the paint bottle 5 and 8 recording is made sealing.
  • the fine gauge 3 is arranged between the compressor 2 and the hose 4. By the fine gauge 3, the pressure at the spray gun 6 is adjusted. With the trigger 12 of the painting process is performed. The display of the pressure on the fine gauge 3 corresponds approximately to the pressure at the end of the spray gun 6 and thus the spray pressure. The pressure on the compressor 2 can be read by the pressure gauge 11.
  • the paint spray gun 6 is arranged at the end of the hose 4, which faces away from the compressor 2.
  • the paint bottle 5 contains at least one ball 9. This at least one ball 9 is used to mix the color in the Lachfläschchen 5.
  • a filter 10 is disposed between the receptacle 8 for the paint bottle 5 and the paint bottle 5.
  • This filter 10 prevents slipping of the at least one ball 9 in the receptacle 8 and subsequently in the paint spray gun 6.
  • the compressor 2 may include a pressure vessel, which is filled by the motor of the compressor 2 with compressed air.
  • the pressure vessel is pressurized by the compressor 2 with a pressure.
  • a minimum value for the pressure in the pressure vessel is set. If this is exceeded, the compressor 2 switches on again and pressurizes the pressure vessel with a pressure which corresponds to the predetermined target value.
  • the pressure in the pressure vessel of the compressor 2 may for example be 2 bar to 8 bar.
  • the motor of the compressor 2 pressurizes the pressure vessel with a pressure of 2 to 8 bar.
  • the filter 10 may have a cylindrical shape 10e with a truncated cone 10c mounted on the cylindrical shape 10e, the truncated cone 10c being disposed at the end of the cylindrical body 10e facing inside the paint bottle 5, the truncated cone 10c at the narrow end Hole 10a, whose diameter is smaller than the diameter of the at least one ball 9, in the Paint Vial 5 is present, and on the lateral surface 10d at least one hole 10b, whose diameter is smaller than the diameter of the at least one ball 9, and wherein the cylindrical shape 10e and the truncated cone 10c are made in one piece.
  • the cylindrical mold 10e is made to fit with the inner surface of the paint bottle 5, that is, no liquid such as paint can pass between the outside of the cylindrical mold 10e and the inner surface of the paint bottle 5.
  • the at least one ball 9 in the paint vial 5 serves to mix the color. Since the paint bottle 5 is inserted into the spray gun 6 with the opening - in use - down in the receptacle 8, the ball 9 can clog the opening. By using the filter 10 this is impossible.
  • the at least one ball 9 lays on the hole 10a at the narrow end of the truncated cone, the paint can flow through the holes 10b in the lateral surface in the paint spray gun 6.
  • the size of the holes 10a, 10b in the filter is dimensioned so that the ball 9 can not pass.
  • the truncated cone 10c is preferably designed so that the horizontal distance between the narrow end of the truncated cone 10c and the inner surface of the paint bottle 5 is less than the diameter of the balls 9, so that the balls 9 not can put on the holes 10b of the lateral surface.
  • it is safe to use any varnish bottle 5 that is commercially available. A blockage of the spray gun 6 is impossible.
  • the compressor 2 may be arranged in a insulated housing. This complies with the health and safety regulations.
  • the work with the painting system 1 can be carried out simultaneously with other work in the aircraft.
  • the painting system 1 as described above can be used to repair paint damage in aircraft.
  • the damage to the paint can not exceed the dimensions of an A4 sheet (210 x 297 mm).
  • A4 sheet 210 x 297 mm.
  • spot repair ie the small area painting small damage to the surface of a component.
  • the painting system 1 is ideal for painting in the aircraft, since it does not need an external power supply, has no pressure bottle and also does not need a transformer.
  • a transformer for conversion to the usual voltage of 230 V at 50 Hz is not necessary; such a takeover would again require very high documentation effort.

Description

Stand der TechnikState of the art

Handelsübliche Lackiersysteme beinhalten eine Lackierpistole zum Auftragen von Farbe, einen Farbbehälter, der meistens an der Lackierpistole angeordnet ist, und eine Art von Druckluftzufuhr. Durch das Zuführen von Druckluft wird die Farbe zerstäubt und ein Sprühnebel auf die zu lackierende Stelle aufgetragen. Die Druckluftzufuhr erfolgt meist über einen Kompressor, der wie eine Druckpumpe funktioniert und Druckluft nur erzeugt, wenn diese benötigt wird. Kompressoren sind auch meist schwere Geräte, die nur mit großer Mühe zum Einsatzort gebracht werden können und eine ständige Stromversorgung benötigen. Für Lackierarbeiten im Inneren eines Flugzeuges gelten sehr strenge Vorschriften, weshalb Innenteile eines Flugzeuges abmontiert werden und außerhalb lackiert werden und anschließend wieder eingebaut werden.Commercially available painting systems include a paint spray gun for applying paint, a paint can usually located on the paint gun, and a type of compressed air supply. By supplying compressed air, the paint is atomized and a spray applied to the point to be painted. The supply of compressed air is usually via a compressor that works like a pressure pump and only generates compressed air when it is needed. Compressors are also usually heavy equipment that can be brought to the site with great difficulty and require a constant power supply. For paint work inside an aircraft very strict rules apply, so internal parts of an aircraft are removed and painted outside and then reinstalled.

US 2010/122745 A1 beschreibt einen Behälter zum Sprühbeschichten eines Menschen, wobei der Behälter eine Körperbeschichtungszusammensetzung umfasst. In einer Ausführungsform sind zwei Behälter vorhanden, die entfernbar sind. Die Behälter sind mit außenseitigen Ventilen mit inwendigen Ventilen in der Sprühvorrichtung verbunden. Pumpen können vorhanden sein. US 2010/122745 A1 describes a container for spray coating a human, the container comprising a body coating composition. In one embodiment, there are two containers that are removable. The containers are connected to outside valves with internal valves in the spray device. Pumps may be present.

US 2007/272707 A1 beschreibt eine unabhängige Ausrüstung zum Auftragen von Farben, die mit auffüllbaren Walzen oder Sprühpistolen verwendbar ist und die einen tragbaren Tank umfasst, der zwei getrennte Lagerkammern aufweist, eine für die Farbe und die andere für Betriebskomponenten, wie beispielsweise eine Gasflasche, einen Motor und Steuerungselemente. US 2007/272707 A1 describes an independent paint application equipment employable with refillable rollers or spray guns and comprising a portable tank having two separate storage chambers, one for the paint and the other for operating components such as a gas cylinder, engine and controls.

WO 2013/049260 A2 beschreibt eine Flüssigkeitsabgabevorrichtung, die eine Flasche mit einem inneren und einem äußeren Behälter, die mit einer Flüssigkeit gefüllt sind, ein Ventil und eine tragbare Abgabevorrichtung mit einer Detektionszone und einer Aktivierungszone umfasst. Eine externe Stromversorgung ist ebenfalls vorhanden. WO 2013/049260 A2 describes a liquid dispensing device comprising a bottle having an inner and an outer container filled with a liquid, a valve, and a portable dispenser having a detection zone and an activation zone. An external power supply is also available.

US 2001/030241 A1 beschreibt ein tragbares System zum Sprühen von viskosen Materialien zur Ausbildung von LKW-Ladebuchtenauskleidungen. In einem tragbaren Handwagen sind Behälter mit dem Beschichtungsmaterial und zwei Pumpen angeordnet, die das Beschichtungsmaterial zu einer Sprühpistole transportieren. Ein Kompressor ist ebenfalls auf dem Handwagen angeordnet. US 2001/030241 A1 describes a portable system for spraying viscous materials to form truck cargo liner liners. Containers with the coating material and two pumps, which transport the coating material to a spray gun, are arranged in a portable handcart. A compressor is also arranged on the trolley.

US 2006/120794 A1 beschreibt ein Verbindungsstück zwischen einem Farbbehälter und einer Farbabgabevorrichtung, das ermöglicht, dass handelsübliche Behälter als Teil einer mobilen Fluidabgabevorrichtung verwendet werden können. Das Verbindungsstück weist einen Deckel zum leckfreien Anbringen an den Behälter mit viskosen und halbviskosen Flüssigkeiten, wobei sich ein Rohr vom Inneren des Behälters durch den Deckel zu einer Pumpe erstreckt, und einen flexiblen Schlauch auf. US 2006/120794 A1 describes a connector between a paint container and a paint dispenser that allows commercial containers to be used as part of a mobile fluid dispenser. The connector has a lid for leak-free attachment to the container of viscous and semi-viscous liquids, with a tube extending from the interior of the container through the lid to a pump, and a flexible tube.

DE 10 2009 048022 A1 beschreibt ein transportables Farbsprühgerät, das eine Basisstation mit einer Antriebseinheit und eine rohrartige Lanze mit einem ersten Kanal zum Durchleiten der Farbe und einem zweiten Kanal zum Durchleiten des Luftstroms umfasst, wobei die Antriebseinheit eine erste Arbeitseinheit zur Erzeugung eines Luftstroms, eine zweite Arbeitseinheit zur Erzeugung eines Farbstroms und eine Kontrolleinheit umfasst, wobei die Lanze eine Bedieneinheit und einen Sprühkopf aufweist, die Lanze über eine Luftleitung mit der ersten Arbeitseinheit verbunden ist und die Lanze über eine Farbleitung mit der zweiten Arbeitseinheit verbunden ist. DE 10 2009 048022 A1 describes a portable paint sprayer comprising a base station with a drive unit and a tubular lance having a first channel for passing the paint and a second channel for passing the air flow, wherein the drive unit comprises a first working unit for generating an air flow, a second working unit for generating a Color stream and comprises a control unit, wherein the lance has an operating unit and a spray head, the lance is connected via an air line to the first working unit and the lance is connected via a paint line to the second working unit.

US 2008/061166 A1 beschreibt eine transportable, selbst angetriebene Sprühvorrichtung, die einen Schaumausflusssprühregen von einer Flüssigkeit erzeugt. Die Sprühvorrichtung umfasst getrennte Luft- und Flüssigkeitszufuhrsysteme, die getrennt voneinander Luft und Flüssigkeit in eine Mischkammer einführen. Eine Pumpe kann vorhanden sein. Das Luftzufuhrsystem kann einen Kompressor umfassen. US 2008/061166 A1 describes a portable, self-propelled sprayer that produces a foam spout spray from a liquid. The spray device comprises separate air and liquid delivery systems which separately introduce air and liquid into a mixing chamber. A pump can be present. The air supply system may include a compressor.

US 5 074 467 A beschreibt ein Farbsprühsystem, das einen Gebläsemotor mit einem Kühlventilator, einen Gebläseventilator mit hohem Volumen und niedrigem Druck, der vom Gebläsemotor angetrieben wird, eine Luftleitung, die den Auslass des Gebläsemotors mit einer Sprühpistole verbindet, und ein Ventil in der Sprühpistole umfasst. US 5 074 467 A describes a paint spraying system including a blower motor with a cooling fan, a high volume, low pressure blower fan driven by the blower motor, an air line connecting the blower motor outlet with a spray gun, and a valve in the spray gun.

Ziel der Erfindung ist es, ein Lackiersystem bereitzustellen, das einfach zu handhaben ist und tragbar ist.The object of the invention is to provide a painting system which is easy to handle and portable.

Erfindungsgemäß wird dies dadurch erreicht, indem ein tragbares Lackiersystem für Lackierarbeiten im Inneren eines Flugzeuges bereitgestellt wird, das folgende Teile umfasst:

  1. a) einen Kompressor,
  2. b) ein Feinmanometer,
  3. c) einen Schlauch,
  4. d) ein austauschbares Lackfläschchen,
  5. e) eine Lackierpistole,
wobei ein Akkumulator mit dem Kompressor verbunden ist, der die Energie für den Kompressor bereitstellt, die Lackierpistole eine Aufnahme für das austauschbare Lackfläschchen aufweist, die Aufnahme für das Lackfläschchen passend für das Lackfläschchen ausgebildet ist, das Feinmanometer zwischen Kompressor und dem Schlauch angeordnet ist, die Lackierpistole an dem Ende des Schlauches angeordnet ist, das dem Kompressor abgewandt ist,
das Lackfläschchen zumindest eine Kugel enthält und ein Filter zwischen der Aufnahme für das Lackfläschchen und dem Lackfläschchen angeordnet ist.According to the invention, this is achieved by providing a portable coating system for painting work inside an aircraft, comprising the following parts:
  1. a) a compressor,
  2. b) a fine gauge,
  3. c) a hose,
  4. d) an exchangeable paint bottle,
  5. e) a paint spray gun,
wherein an accumulator is connected to the compressor, which provides the energy for the compressor, the spray gun has a receptacle for the exchangeable paint bottle, the receptacle for the paint bottle is suitably designed for the lacquer vial, the fine manometer between the compressor and the hose is arranged, the paint spray gun is arranged at the end of the hose, which faces away from the compressor,
the paint bottle contains at least one ball and a filter between the receptacle for the paint bottle and the paint bottle is arranged.

Ein auf diese Weise aufgebautes Lackiersystem ist kompakt und kann von einer Person leicht zu dem Einsatzort getragen werden. Insbesondere die Verwendung in Luftfahrzeugen ist bevorzugt, da in Luftfahrzeugen strenge Regeln bezüglich Druckbehälter und Stromanforderungen bestehen. Das Bord-Netz in großen Passagiermaschinen weist eine Nennspannung von 115/200 V und 400 Hz auf. Deshalb können handelsübliche Kompressoren in Flugzeugen nicht verwendet werden. Die Mitnahme von Druckbehältern ist ebenfalls nur nach enormem bürokratischem Aufwand möglich, weshalb der Einsatz von batteriebetriebenen Kompressoren notwendig ist. Mit dem Feinmanometer wird der Sprühdruck geregelt.A painting system constructed in this way is compact and can easily be carried by a person to the site. In particular, the use in aircraft is preferred, since there are strict rules in terms of pressure vessel and power requirements in aircraft. The on-board network in large passenger aircraft has a rated voltage of 115/200 V and 400 Hz. Therefore, commercial air compressors can not be used. The entrainment of pressure vessels is also possible only after enormous bureaucratic effort, which is why the use of battery-powered compressors is necessary. The fine pressure gauge regulates the spray pressure.

In einer Ausführungsform der Erfindung kann der Kompressor einen Druckkessel aufweisen, der durch den Motor des Kompressors mit Druckluft befüllt wird. Der Druckkessel wird vom Kompressor mit einem Druck beaufschlagt. Durch Drücken des Auslösers der Lackierpistole strömt Druckluft aus dem Druckkessel und zerstäubt die im Lackfläschchen enthaltene Farbe. Fällt der Druck im Druckkessel unter einen bestimmten, vorher festgelegten Mindestwert, fängt der Kompressor wieder zu arbeiten an und erhöht den Druck auf den vorher eingestellten Wert. Somit muss nicht während des gesamten Lackiervorgangs der Kompressor laufen, was eine Energieersparnis zur Folge hat, die eine längere Lackierdauer ermöglicht.In one embodiment of the invention, the compressor may comprise a pressure vessel, which is filled by the motor of the compressor with compressed air. The pressure vessel is pressurized by the compressor. By pressing the trigger of the spray gun compressed air flows out of the pressure vessel and atomizes the paint contained in the paint bottle. If the pressure in the autoclave falls below a certain, predetermined minimum value, the compressor starts to work again and increases the pressure to the previously set value. Thus, the compressor does not have to run during the entire painting process, which results in an energy saving that allows a longer painting time.

In einer anderen Ausführungsform der Erfindung kann der Druck im Druckkessel des Kompressors 2 bar bis 8 bar betragen. Der Motor des Kompressors beaufschlagt den Druckkessel mit einem Druck von 2 bis 8 bar. Dies ist ein Druck, der ausreicht, um einen geeigneten Sprühdruck zu generieren. Durch die Bereitstellung eines kontinuierlichen Drucks durch den Druckkessel wird eine bessere Sprühleistung erzielt als bei Verwendung einer Druckpumpe, die in periodischen Abständen Druckluft unterschiedlichen Drucks bereitstellt.In another embodiment of the invention, the pressure in the pressure vessel of the compressor can be 2 bar to 8 bar. The motor of the compressor pressurizes the pressure vessel with a pressure of 2 to 8 bar. This is a pressure sufficient to generate a suitable spray pressure. By providing a continuous pressure through the pressure vessel, a better spray performance is achieved than when using a pressure pump that provides compressed air of varying pressure at periodic intervals.

In einer Ausführungsform der Erfindung kann der Filter eine zylindrische Form mit einem auf der zylindrischen Form aufgesetzten Kegelstumpf aufweisen, wobei der Kegelstumpf an dem Ende des zylindrischen Körpers angeordnet ist, das ins Innere des Lackfläschchens zeigt, wobei der Kegelstumpf am schmalen Ende ein Loch aufweist, dessen Durchmesser kleiner als der Durchmesser der zumindest einen Kugel ist, die im Lackfläschchen vorhanden ist, und auf der Mantelfläche zumindest ein Loch aufweist, dessen Durchmesser kleiner als der Durchmesser der zumindest einen Kugel ist, und wobei die zylindrische Form und der Kegelstumpf einstückig ausgeführt sind. Die zumindest eine Kugel im Lackfläschchen dient zum Mischen der Farbe. Da das Lackfläschchen in die Lackierpistole mit der Öffnung nach unten in die Aufnahme gesteckt wird, kann die Kugel die Öffnung verstopfen. Durch den Einsatz des Filters wird dies verunmöglicht. Die Kugel legt sich auf das Loch am schmalen Ende des Kegelstumpfes, der Lack kann durch die Löcher in der Mantelfläche in die Lackierpistole fließen. Die Größe der Löcher im Filter ist so dimensioniert, dass die Kugel nicht hindurchtreten kann. Sind mehrere Kugeln im Lackfläschchen vorhanden, ist der Kegelstumpf vorzugsweise so ausgeführt, dass der horizontale Abstand zwischen dem schmalen Ende des Kegelstumpfes und der inneren Oberfläche des Lackfläschchens geringer ist als der Durchmesser der Kugeln, sodass sich die Kugeln nicht auf die Löcher der Mantelfläche legen können.In one embodiment of the invention, the filter may have a cylindrical shape with a truncated cone mounted on the cylindrical shape, the truncated cone being disposed at the end of the cylindrical body which faces inside the paint bottle, the truncated cone having a hole at the narrow end, whose diameter is smaller than the diameter of the at least one ball which is present in the paint vial, and on the lateral surface has at least one hole whose diameter is smaller than the diameter of the at least one ball, and wherein the cylindrical shape and the truncated cone are made in one piece , The at least one ball in the paint bottle is used to mix the color. Since the paint bottle is inserted into the paint gun with the opening down into the receptacle, the ball can clog the opening. The use of the filter makes this impossible. The ball lays on the hole at the narrow end of the truncated cone, the paint can flow through the holes in the lateral surface in the paint spray gun. The size of the holes in the filter is dimensioned so that the ball can not pass through. If there are several balls in the paint bottle, the truncated cone is preferably designed so that the horizontal distance between the narrow end of the truncated cone and the inner surface of the paint bottle is smaller than the diameter of the balls, so that the balls can not lay on the holes of the lateral surface.

In einer Ausbildung der vorliegenden Erfindung kann der Kompressor in einem gedämmten Gehäuse angeordnet sein. Damit wird der Arbeiterschutz erfüllt.In one embodiment of the present invention, the compressor may be disposed in an insulated housing. This fulfills the worker protection.

Ein anderer Aspekt der Erfindung betrifft die Verwendung eines tragbaren Lackiersystems nach einem der vorangegangenen Ansprüche zur Reparatur von Lackschäden in Flugzeugen.Another aspect of the invention relates to the use of a portable painting system according to any one of the preceding claims for repairing paint damage in aircraft.

Insbesondere die Verwendung in Luftfahrzeugen ist bevorzugt, da in Luftfahrzeugen strenge Regeln bezüglich Druckbehälter und Stromanforderungen bestehen. Das Bord-Netz in großen Passagiermaschinen weist eine Nennspannung von 115/200 V und 400 Hz auf. Deshalb können handelsübliche Kompressoren in Flugzeugen nicht verwendet werden. Die Mitnahme von Druckbehältern ist ebenfalls nur nach enormem bürokratischem Aufwand möglich, weshalb der Einsatz von batteriebetriebenen Kompressoren notwendig ist.In particular, the use in aircraft is preferred, since there are strict rules in terms of pressure vessel and power requirements in aircraft. The on-board network in large passenger aircraft has a rated voltage of 115/200 V and 400 Hz. Therefore, commercial air compressors can not be used. The entrainment of pressure vessels is also possible only after enormous bureaucratic effort, which is why the use of battery-powered compressors is necessary.

In einer Ausführungsform der vorliegenden Erfindung kann der Lackschaden höchstens die Ausmaße eines A4-Blatts (210 x 297 mm) aufweisen. Damit ist die Verwendung des Lackiersystems für sogenannte "Smart-Repair" oder "Spot-Repair", also das kleinflächige Lackieren kleiner Schäden an der Oberfläche eines Bauteils, ausgezeichnet geeignet.In one embodiment of the present invention, the paint damage may be at most the dimensions of an A4 sheet (210 x 297 mm). Thus, the use of the painting system for so-called "smart repair" or "spot repair", so the small-scale painting small damage to the surface of a component, is excellent.

Kurzbeschreibung der ZeichnungenBrief description of the drawings

In den Zeichnungen werden folgende Bezugszeichen verwendet.

1
tragbares Lackiersystem
2
Kompressor
3
Feinmanometer
4
Schlauch
5
Lackfläschchen
6
Lackierpistole
7
Akkumulator
8
Aufnahme für das Lackfläschchen
9
Kugel im Lackfläschchen
10
Filter
10a
Loch am schmalen Ende des Kegelstumpfes des Filters
10b
Löcher in der Mantelfläche des Kegelstumpfes des Filters
10c
Kegelstumpf
10d
Mantelfläche des Kegelstumpfes
10e
zylindrisch-förmiger Teil des Filters
11
Manometer
12
Auslöser
13
Tragegriff
In the drawings, the following reference numerals are used.
1
portable painting system
2
compressor
3
manometer
4
tube
5
polish bottles
6
paint spray
7
accumulator
8th
Pickup for the paint bottle
9
Ball in the paint bottle
10
filter
10a
Hole at the narrow end of the truncated cone of the filter
10b
Holes in the lateral surface of the truncated cone of the filter
10c
truncated cone
10d
Lateral surface of the truncated cone
10e
cylindrical-shaped part of the filter
11
manometer
12
trigger
13
handle

Fig. 1 zeigt ein Lackiersystem gemäß der vorliegenden Erfindung. Fig. 1 shows a painting system according to the present invention.

Fig. 2 zeigt einen Filter gemäß der vorliegenden Erfindung. Fig. 2 shows a filter according to the present invention.

BEISPIELEXAMPLE

In einem Beispiel für ein tragbares Lackiersystem 1 für Lackierarbeiten im Inneren eines Flugzeuges umfasst das Lackiersystem 1 einen Kompressor 2, ein Feinmanometer 3, einen Schlauch 4, ein austauschbares Lackfläschchen 5 und eine Lackierpistole 6. Ein Akkumulator 7 ist mit dem Kompressor 2 verbunden, der die Energie für den Kompressor 2 bereitstellt. Dadurch wird das gesamte Lackiersystem 1 tragbar. Ein Tragegriff 13 ist vorgesehen, um das Lackiersystem 1 an den gewünschten Einsatzort zu tragen. Die Lackierpistole 6 weist eine Aufnahme 8 für das austauschbare Lackfläschchen 5 auf, wobei die Aufnahme 8 für das Lackfläschchen 5 passend für das Lackfläschchen 5 ausgebildet ist. Das Lackfläschchen 5 kann somit passend in die Aufnahme 8 gesteckt werden, es kann keine Farbe auslaufen, da die Verbindung zwischen Lackfläschchen 5 und Aufnahme 8 dichtend ausgeführt ist. Wenn das Lackfläschchen 5 in der Aufnahme 8 eingesteckt ist, liegt ein geschlossenes System vor; die Farbe kann nicht auslaufen. Das Feinmanometer 3 ist zwischen Kompressor 2 und dem Schlauch 4 angeordnet. Durch das Feinmanometer 3 wird der Druck an der Lackierpistole 6 eingestellt. Mit dem Auslöser 12 wird der Lackiervorgang durchgeführt. Die Anzeige des Drucks auf dem Feinmanometer 3 entspricht in etwa dem Druck am Ende der Lackierpistole 6 und somit dem Sprühdruck. Der Druck am Kompressor 2 kann durch die Manometer 11 abgelesen werden. Die Lackierpistole 6 ist an dem Ende des Schlauches 4 angeordnet, das dem Kompressor 2 abgewandt ist. Das Lackfläschchen 5 enthält zumindest eine Kugel 9. Diese zumindest eine Kugel 9 dient zur Durchmischung der Farbe im Lachfläschchen 5. Ein Filter 10 ist zwischen der Aufnahme 8 für das Lackfläschchen 5 und dem Lackfläschchen 5 angeordnet. Dieser Filter 10 verhindert das Abrutschen der zumindest einen Kugel 9 in die Aufnahme 8 und in weiterer Folge in die Lackierpistole 6. Durch diese Anordnung ist es möglich, Lackierarbeiten im Inneren eines Flugzeuges durchzuführen. Lackierarbeiten in einem Flugzeug erfordern hohe administrative Vorarbeiten. Oft können Teile nur ausgebaut werden, außerhalb des Flugzeuges lackiert werden und nachher wieder eingebaut werden, wobei jedoch der Ein- und Ausbau genau dokumentiert werden muss. Es ist so gut wie unmöglich, eine Druckflasche an Bord zu nehmen. Deshalb ist dieses Lackiersystem 1 hervorragend zur Reparatur von Oberflächenschäden in einem Flugzeug geeignet. Wird dieses Lackiersystem 1 an Bord eines Flugzeuges genommen, kann sofort lackiert werden. Der Dokumentationsaufwand gegenüber anderen Systemen ist äußerst gering. Es entfällt auch die mühsame Mitnahme eines speziellen Netzgerätes oder Transformators für die Betriebsspannung in Flugzeugen, die 115/200 V bei 400 Hz beträgt.In an example of a portable painting system 1 for painting work inside an aircraft, the painting system 1 comprises a compressor 2, a fine gauge 3, a hose 4, an exchangeable paint bottle 5 and a spray gun 6. An accumulator 7 is connected to the compressor 2, the provides the energy for the compressor 2. As a result, the entire painting system 1 is portable. A carrying handle 13 is provided to carry the painting system 1 to the desired location. The spray gun 6 has a receptacle 8 for the exchangeable paint bottle 5, wherein the receptacle 8 is formed for the paint bottle 5 suitable for the paint bottle 5. The paint bottle 5 can thus fit to be inserted into the receptacle 8, it can not leak any color, since the connection between the paint bottle 5 and 8 recording is made sealing. When the paint bottle 5 is inserted in the receptacle 8, there is a closed system; the color can not leak. The fine gauge 3 is arranged between the compressor 2 and the hose 4. By the fine gauge 3, the pressure at the spray gun 6 is adjusted. With the trigger 12 of the painting process is performed. The display of the pressure on the fine gauge 3 corresponds approximately to the pressure at the end of the spray gun 6 and thus the spray pressure. The pressure on the compressor 2 can be read by the pressure gauge 11. The paint spray gun 6 is arranged at the end of the hose 4, which faces away from the compressor 2. The paint bottle 5 contains at least one ball 9. This at least one ball 9 is used to mix the color in the Lachfläschchen 5. A filter 10 is disposed between the receptacle 8 for the paint bottle 5 and the paint bottle 5. This filter 10 prevents slipping of the at least one ball 9 in the receptacle 8 and subsequently in the paint spray gun 6. By this arrangement, it is possible to carry out painting work inside an aircraft. Painting in an airplane requires a lot of administrative preparation. Often parts can only be removed, painted outside the aircraft and subsequently reinstalled, but the installation and removal must be accurately documented. It is almost impossible to take a pressure bottle on board. Therefore, this painting system 1 is excellent for repairing surface damage in an airplane. If this painting system 1 is taken on board an aircraft, it can be painted immediately. The documentation effort compared to other systems is extremely low. It eliminates the tedious entrainment of a special power supply or transformer for the operating voltage in aircraft, which is 115/200 V at 400 Hz.

Der Kompressor 2 kann einen Druckkessel aufweisen, der durch den Motor des Kompressors 2 mit Druckluft befüllt wird. Der Druckkessel wird vom Kompressor 2 mit einem Druck beaufschlagt. Durch Drücken des Auslösers 12 der Lackierpistole 6 strömt Druckluft aus dem Druckkessel und zerstäubt die im Lackfläschchen 5 enthaltene Farbe. Es wird ein Mindestwert für den Druck im Druckkessel festgelegt. Wird dieser unterschritten, schaltet sich der Kompressor 2 wieder ein und beaufschlagt den Druckkessel mit einem Druck, der dem vorher festgelegten Soll-Wert entspricht. Somit muss nicht während des gesamten Lackiervorgangs der Kompressor 2 laufen, was eine Energieersparnis zur Folge hat, die eine längere Lackierdauer ermöglicht. Der Druck im Druckkessel des Kompressors 2 kann beispielsweise 2 bar bis 8 bar betragen. Der Motor des Kompressors 2 beaufschlagt den Druckkessel mit einem Druck von 2 bis 8 bar. Dies ist ein Druck, der ausreicht, um einen geeigneten Sprühdruck zu generieren. Durch die Bereitstellung eines kontinuierlichen Drucks durch den Druckkessel wird eine bessere Sprühleistung erzielt als bei Verwendung einer Druckpumpe, die in periodischen Abständen Druckluft unterschiedlichen Drucks bereitstellt. Fällt der Wert unter 2 bar, beginnt der Motor des Kompressors 2 den Druckkessel mit einem Druck zu beaufschlagen, bis ein Wert von 8 bar erreicht wird, wonach sich der Kompressor 2 wieder abschaltet. Dies trägt zu einem ökonomischen Energieverbrauch bei.The compressor 2 may include a pressure vessel, which is filled by the motor of the compressor 2 with compressed air. The pressure vessel is pressurized by the compressor 2 with a pressure. By pressing the trigger 12 of the spray gun 6 compressed air flows from the pressure vessel and atomizes the paint contained in the paint bottle 5. A minimum value for the pressure in the pressure vessel is set. If this is exceeded, the compressor 2 switches on again and pressurizes the pressure vessel with a pressure which corresponds to the predetermined target value. Thus, the compressor 2 does not have to run during the entire painting process, resulting in an energy saving that allows a longer painting time. The pressure in the pressure vessel of the compressor 2 may for example be 2 bar to 8 bar. The motor of the compressor 2 pressurizes the pressure vessel with a pressure of 2 to 8 bar. This is a pressure sufficient to generate a suitable spray pressure. By providing a continuous pressure through the pressure vessel, a better spray performance is achieved than when using a pressure pump that provides compressed air of varying pressure at periodic intervals. If the value falls below 2 bar, the motor of the compressor 2 begins to pressurize the pressure vessel until a value of 8 bar is reached, after which the compressor 2 switches off again. This contributes to economical energy consumption.

Der Filter 10 kann eine zylindrische Form 10e mit einem auf der zylindrischen Form 10e aufgesetzten Kegelstumpf 10c aufweisen, wobei der Kegelstumpf 10c an dem Ende des zylindrischen Körpers 10e angeordnet ist, das ins Innere des Lackfläschchens 5 zeigt, wobei der Kegelstumpf 10c am schmalen Ende ein Loch 10a aufweist, dessen Durchmesser kleiner als der Durchmesser der zumindest einen Kugel 9 ist, die im Lackfläschchen 5 vorhanden ist, und auf der Mantelfläche 10d zumindest ein Loch 10b aufweist, dessen Durchmesser kleiner als der Durchmesser der zumindest einen Kugel 9 ist, und wobei die zylindrische Form 10e und der Kegelstumpf 10c einstückig ausgeführt sind. Die zylindrische Form 10e ist passend mit der inneren Oberfläche des Lackfläschchens 5 ausgeführt, d.h. zwischen der Außenseite der zylindrischen Form 10e und der inneren Oberfläche des Lackfläschchens 5 kann keine Flüssigkeit wie beispielsweise Lack hindurchtreten. Die zumindest eine Kugel 9 im Lackfläschchen 5 dient zum Mischen der Farbe. Da das Lackfläschchen 5 in die Lackierpistole 6 mit der Öffnung - bei Gebrauch - nach unten in die Aufnahme 8 gesteckt wird, kann die Kugel 9 die Öffnung verstopfen. Durch den Einsatz des Filters 10 wird dies verunmöglicht. Die zumindest eine Kugel 9 legt sich auf das Loch 10a am schmalen Ende des Kegelstumpfes, der Lack kann durch die Löcher 10b in der Mantelfläche in die Lackierpistole 6 fließen. Die Größe der Löcher 10a, 10b im Filter ist so dimensioniert, dass die Kugel 9 nicht hindurchtreten kann. Sind mehrere Kugeln 9 im Lackfläschchen 5 vorhanden, ist der Kegelstumpf 10c vorzugsweise so ausgeführt, dass der horizontale Abstand zwischen dem schmalen Ende des Kegelstumpfes 10c und der inneren Oberfläche des Lackfläschchens 5 geringer ist als der Durchmesser der Kugeln 9, sodass sich die Kugeln 9 nicht auf die Löcher 10b der Mantelfläche legen können. Somit kann bedenkenlos jedes Lackfläschchen 5 verwendet werden, das im Handel erhältlich ist. Eine Verstopfung der Lackierpistole 6 ist unmöglich.The filter 10 may have a cylindrical shape 10e with a truncated cone 10c mounted on the cylindrical shape 10e, the truncated cone 10c being disposed at the end of the cylindrical body 10e facing inside the paint bottle 5, the truncated cone 10c at the narrow end Hole 10a, whose diameter is smaller than the diameter of the at least one ball 9, in the Paint Vial 5 is present, and on the lateral surface 10d at least one hole 10b, whose diameter is smaller than the diameter of the at least one ball 9, and wherein the cylindrical shape 10e and the truncated cone 10c are made in one piece. The cylindrical mold 10e is made to fit with the inner surface of the paint bottle 5, that is, no liquid such as paint can pass between the outside of the cylindrical mold 10e and the inner surface of the paint bottle 5. The at least one ball 9 in the paint vial 5 serves to mix the color. Since the paint bottle 5 is inserted into the spray gun 6 with the opening - in use - down in the receptacle 8, the ball 9 can clog the opening. By using the filter 10 this is impossible. The at least one ball 9 lays on the hole 10a at the narrow end of the truncated cone, the paint can flow through the holes 10b in the lateral surface in the paint spray gun 6. The size of the holes 10a, 10b in the filter is dimensioned so that the ball 9 can not pass. If there are several balls 9 in the paint bottle 5, the truncated cone 10c is preferably designed so that the horizontal distance between the narrow end of the truncated cone 10c and the inner surface of the paint bottle 5 is less than the diameter of the balls 9, so that the balls 9 not can put on the holes 10b of the lateral surface. Thus, it is safe to use any varnish bottle 5 that is commercially available. A blockage of the spray gun 6 is impossible.

Der Kompressor 2 kann in einem gedämmten Gehäuse angeordnet sein. Damit werden die Arbeitsschutzbestimmungen eingehalten. Die Arbeiten mit dem Lackiersystem 1 können gleichzeitig mit anderen Arbeiten im Flugzeug durchgeführt werden.The compressor 2 may be arranged in a insulated housing. This complies with the health and safety regulations. The work with the painting system 1 can be carried out simultaneously with other work in the aircraft.

Das Lackiersystem 1 wie oben beschrieben kann zur Reparatur von Lackschäden in Flugzeugen verwendet werden. Der Lackschaden kann höchstens die Ausmaße eines A4-Blatts (210 x 297 mm) aufweisen. Auf diese Weise ist eine "Smart-Repair" oder "Spot-Repair", also das kleinflächige Lackieren kleiner Schäden an der Oberfläche eines Bauteils, möglich. Das Lackiersystem 1 eignet sich hervorragend für Lackierarbeiten im Flugzeug, da es kein externes Netzteil benötigt, keine Druckflasche aufweist und auch keinen Transformator benötigt. Es gibt keine Netzgeräte am Markt, die mit der Nennspannung in Flugzeugen (115/200 V und 400 Hz) arbeiten können. Ein Transformator zur Umwandlung in die übliche Spannung von 230 V bei 50 Hz ist nicht notwendig; eine solche Mitnahme würde wiederum sehr hohen Dokumentationsaufwand benötigen.The painting system 1 as described above can be used to repair paint damage in aircraft. The damage to the paint can not exceed the dimensions of an A4 sheet (210 x 297 mm). In this way, a "smart repair" or "spot repair", ie the small area painting small damage to the surface of a component, possible. The painting system 1 is ideal for painting in the aircraft, since it does not need an external power supply, has no pressure bottle and also does not need a transformer. There are no power supplies on the market that can work with the rated voltage in airplanes (115/200 V and 400 Hz). A transformer for conversion to the usual voltage of 230 V at 50 Hz is not necessary; such a takeover would again require very high documentation effort.

Claims (7)

  1. A portable painting system (1) for painting work in the interior of an airplane comprising the following parts:
    a) a compressor (2),
    b) a fine manometer (3),
    c) a tube (4),
    d) an exchangeable paint flask (5),
    e) a paint spray gun (6),
    characterized in that
    a battery (7) is connected to the compressor (2) to provide the power for the compressor (2),
    the spray gun (6) includes a receiving element (8) for the exchangeable paint flask (5),
    the receiving element (8) for the paint flask (5) is formed to match the paint flask (5), the fine manometer (3) is arranged between the compressor (2) and the tube (4), the paint spray gun (6) is arranged at the end of the tube (4) that is facing away from the compressor (2),
    the paint flask (5) contains at least one ball (9),
    and a filter (10) is arranged between the receiving element (8) for the paint flask (5) and the paint flask (5).
  2. The portable painting system (1) according to claim 1,
    characterized in that
    the compressor (2) comprises a pressure vessel that is filled with pressurized air via the motor of the compressor (2).
  3. The portable painting system (1) according to any one of the claims 1 or 2,
    characterized in that
    the pressure in the pressure vessel of the compressor (2) is 2 bar to 8 bar.
  4. The portable painting system (1) according to any one of the claims 1, 2 or 3,
    characterized in that
    the filter (10) has a cylindrical shape with a truncated cone (10c) sitting on the cylindrical shape (10e), the truncated cone (10c) being arranged at the end of the cylindrical body (10e) that faces the interior of the paint flak (5), the truncated cone (10c) having a hole (10a) at the narrow end, the diameter of which is smaller than the diameter of the at least one ball (9) present in the paint flask (5), and having at least one hole (10b) in the lateral area (10d), the diameter of which is smaller than the diameter of the at least one ball (9), and wherein the cylindrical shape (10e) and the truncated cone (10c) are formed integrally.
  5. The portable painting system (1) according to any one of the preceding claims,
    characterized in that
    the compressor (2) is arranged in an insulated housing.
  6. Use of a portable painting system (1) according to any one of the preceding claims for repairing paintwork damages in airplanes.
  7. The use according to claim 6,
    characterized in that
    the paintwork damage is not larger than an A4 sheet (210 x 197 mm).
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WO2016206986A1 (en) 2016-12-29

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