A paint application device, in particular suited for the application of water-dilutable paints, comprises a paint reservoir connected with a paint application device via a supply line. Further, a paint discharge device for returning excess paint from the area of the paint application device into pai
A paint application device, in particular suited for the application of water-dilutable paints, comprises a paint reservoir connected with a paint application device via a supply line. Further, a paint discharge device for returning excess paint from the area of the paint application device into paint reservoir is provided. For the adjustment or the maintenance of the viscosity of the paint, a humidification device is provided for increasing the air humidity in the area of the paint application device and/or in the paint reservoir.
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1. A method for adjusting viscosity of a paint, comprising the following steps: measuring the paint viscosity,supplying an amount of solvent vapor to an area where the paint is applied onto a work piece or in which the paint is provided,adjusting the amount of solvent vapor supplied in dependence on
1. A method for adjusting viscosity of a paint, comprising the following steps: measuring the paint viscosity,supplying an amount of solvent vapor to an area where the paint is applied onto a work piece or in which the paint is provided,adjusting the amount of solvent vapor supplied in dependence on the viscosity measured,cooling a mixture of the solvent vapor and the paint by cooling a surface arranged in a location selected from the group consisting of in a paint reservoir, at a wall of the paint reservoir, in the area, and any combinations thereof, the cooling causing condensation, andadjusting the cooling temperature in dependence on the viscosity measured. 2. The method of claim 1, wherein the solvent vapor is supplied from the time of exceeding a predetermined viscosity value. 3. The method of claim 1, wherein the step of supplying solvent vapor to the area where the paint is applied onto the work piece or in which the paint is provided comprises supplying solvent vapor to the area where the paint is applied onto the work piece. 4. The method of claim 3, further comprising drawing off excess paint from the area and returning the drawn off excess paint to a paint reservoir. 5. The method of claim 4, wherein the step of supplying solvent vapor comprises supplying the amount of the solvent vapor where the excess paint is drawn off from the area so that a mixture of excess paint and solvent vapor is supplied to the paint reservoir. 6. The method of claim 1, wherein the solvent vapor is water vapor. 7. A method for adjusting viscosity of a paint, comprising the following steps: supplying paint from a paint reservoir to a paint application device in an area via a supply line;measuring a viscosity of the paint in the supply line;drawing off excess paint from the area and returning the excess paint to the paint reservoir;supplying solvent vapor based on the viscosity to the area so that a mixture of excess paint and solvent vapor is returned to the paint reservoir;cooling the mixture of the solvent vapor and the paint at a cooling temperature to condense the mixture by cooling a surface arranged in a location selected from the group consisting of in a paint reservoir, at a wall of the paint reservoir, in the area, and any combinations thereof; andadjusting the cooling temperature based on the measured viscosity. 8. The method of claim 7, wherein the step of supplying the solvent vapor comprises supplying the solvent vapor to the area in a region where the excess paint is drawn off from the area. 9. The method of claim 7, wherein the step of supplying the solvent vapor comprises supplying the solvent vapor to the area in a region where the paint applied by the paint application device. 10. The method of claim 7, wherein the solvent vapor is water vapor. 11. A method for adjusting viscosity of a paint, comprising the following steps: measuring the paint viscosity in a supply line between a pump and a paint application device via viscosity gage;supplying an amount of solvent vapor to an area where the paint is applied onto a work piece or in which the paint is provided;cooling a mixture of the solvent vapor and the paint at a cooling temperature by cooling a surface arranged in a location selected from the group consisting of in a paint reservoir, at a wall of the paint reservoir, in the area, and any combinations thereof; andadjusting, in dependence on the viscosity measured, the amount of solvent vapor supplied and the cooling temperature.
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이 특허에 인용된 특허 (6)
Blackinton Roswell J. (Walled Lake MI), Apparatus and method for spray application of solvent-thinned coating compositions.
Cobbs ; Jr. Walter H. (Amherst OH) Huddleston Robert J. (Bay Village OH) Guldner Robert A. (San Francisco CA), Continuous coater solvent recovery process.
Gimben Dale N. (Grafton OH) Leidy Jeanne M. (Rocky River OH) Rucki William M. (Aurora OH) Heimburger Jeffrey (Evansville IN), Powder coating system with configurable controller and dew point detection.
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