Print head having a temperature-control device

US11298717B2 · kind B2 · utility

Assignee

• Dürr Systems AG · DE

Inventors

• Hans-Georg Fritz · Esslingen am Neckar, DE
• Benjamin Wöhr · Eibensbach, DE
• Marcus Kleiner · Besigheim, DE
• Moritz Bubek · Ludwigsburg, DE
• Timo Beyl · Besigheim, DE
• Frank Herre · Oberriexingen, DE
• Steffen Sotzny · Oberstenfeld, DE

Key dates

• Filing date: Dec 1, 2017
• Grant date: Apr 12, 2022
• Expiry date: Dec 1, 2037

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41J2202/08
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The disclosure relates to an application device for applying an application medium onto a component, preferably for application of a coating onto a motor vehicle body component. The application device includes a print head for preferably serial and/or permanent application of the application medium, wherein the print head has: a nozzle plate, at least one nozzle in the nozzle plate in order to discharge the application medium, at least one valve element, which is movable relative to the nozzle plate, for control of the application medium discharge through the at least one nozzle, wherein the at least one movable valve element closes the at least one nozzle in a closing position and releases it in an opening position, and at least one drive for moving the at least one valve element. The application device is characterised in particular in that it includes at least one temperature control apparatus for reducing heating of the at least one drive during application of the application medium.