Patents by Inventor Benjamin Wöhr
Benjamin Wöhr has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11338312Abstract: The disclosure concerns a printhead for the application of a coating agent to a component, in particular for painting a vehicle body component with a paint. The disclosure provides that the printhead is designed in such a way that it enables a color change during coating operation and can be rinsed with a rinsing agent during a color change in order to rinse out coating agent residues from the printhead.Type: GrantFiled: December 1, 2017Date of Patent: May 24, 2022Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
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Patent number: 11298717Abstract: 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.Type: GrantFiled: December 1, 2017Date of Patent: April 12, 2022Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
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Patent number: 11278927Abstract: A coating apparatus for coating a component with a coating agent includes an applicator for delivering at least one coating agent jet of the coating agent to the component. The coating apparatus includes an intercepting device which in an active position intercepts the at least one coating agent jet between the applicator and the component so that the at least one coating agent jet does not strike the component.Type: GrantFiled: March 9, 2020Date of Patent: March 22, 2022Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek
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Publication number: 20220080445Abstract: The disclosure concerns a coating method and a corresponding coating device for coating components with a nozzle applicator with several nozzles, in particular for painting motor vehicle body components. The disclosure provides that the nozzle applicator is flexibly controlled during the coating method.Type: ApplicationFiled: November 22, 2021Publication date: March 17, 2022Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
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Publication number: 20220072570Abstract: The disclosure concerns an applicator (e.g. print head) for applying a coating agent (e.g. paint) to a component (e.g. motor vehicle body component), having a nozzle chamber with a plurality of nozzles for dispensing the coating agent in the form of continuous jets or droplets, the coating agent flowing during operation through the nozzle chamber to the nozzles so that the nozzle chamber is filled with the coating agent during operation. The print head further comprises a plurality of slidable valve needles associated with the individual nozzles and selectively opening or closing the respective nozzle depending on the position of the valve needles. Furthermore, the print head according to the disclosure contains an actuator chamber for receiving actuators for displacing the valve needles.Type: ApplicationFiled: November 19, 2021Publication date: March 10, 2022Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Mortiz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny, Daniel Tandler, Tobias Berndt
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Patent number: 11267013Abstract: 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.Type: GrantFiled: December 1, 2017Date of Patent: March 8, 2022Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
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Publication number: 20220040719Abstract: The disclosure relates to a cleaning device for cleaning an application device which, in operation, applies at least one coating agent jet of a coating agent (e.g. paint) to a component (e.g. motor vehicle body component). The disclosure provides that a jet checking device is integrated into the cleaning device for checking the coating agent jet emitted by the application device, so that the cleaning device forms a structural unit with the jet checking device.Type: ApplicationFiled: December 4, 2019Publication date: February 10, 2022Inventors: Hans-Georg Fritz, Benjamin Wöhr, Jerome Lavallée, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny, Daniel Tandler, Tobias Berndt, Georg Sommer
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Publication number: 20220040715Abstract: The disclosure concerns an applicator, in particular a printhead, for applying a coating agent, in particular a paint, to a component, in particular to a motor vehicle body component or an attachment for a motor vehicle body component, having a plurality of nozzles for applying the coating agent in the form of a coating agent jet, and a plurality of coating agent valves for controlling the release of the coating agent through the individual nozzles, and having a plurality of electrically controllable actuators for controlling the coating agent valves. The disclosure provides that a control circuit for electrically controlling the actuators is integrated in the applicator.Type: ApplicationFiled: October 26, 2021Publication date: February 10, 2022Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Mortiz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny, Daniel Tandler, Tobias Berndt, Andreas Geiger
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Patent number: 11207698Abstract: The disclosure concerns an applicator (e.g. print head) for applying a coating agent (e.g. paint) to a component (e.g. motor vehicle body component), having a nozzle chamber with a plurality of nozzles for dispensing the coating agent in the form of continuous jets or droplets, the coating agent flowing during operation through the nozzle chamber to the nozzles so that the nozzle chamber is filled with the coating agent during operation. The print head further comprises a plurality of slidable valve needles associated with the individual nozzles and selectively opening or closing the respective nozzle depending on the position of the valve needles. Furthermore, the print head according to the disclosure contains an actuator chamber for receiving actuators for displacing the valve needles.Type: GrantFiled: March 7, 2018Date of Patent: December 28, 2021Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Mortiz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny, Daniel Tandler, Tobias Berndt
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Patent number: 11203030Abstract: The disclosure concerns a coating method and a corresponding coating device for coating components with a nozzle applicator with several nozzles, in particular for painting motor vehicle body components. The disclosure provides that the nozzle applicator is flexibly controlled during the coating method.Type: GrantFiled: December 1, 2017Date of Patent: December 21, 2021Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
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Patent number: 11198145Abstract: A device, method, system, operating method, component and composition are disclosed for preventing deposits of a disposal agent, e.g., where a multi-component paint having two or more components such as a paint component and a hardener component, is employed, for example in a coating installation. Exemplary illustrations include a receiving device for disposal agent, e.g., for disposal agent from cleaning and/or rinsing processes of an application apparatus, comprising at least one inlet opening for introducing the disposal agent, and an outlet opening for removing the disposal agent. Furthermore, at least one loading means may be provided in order to load the receiving device with a loading agent, which may at least delay a deposition of disposal agent on or in the receiving device.Type: GrantFiled: January 22, 2020Date of Patent: December 14, 2021Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Marcus Kleiner, Michael Zabel, Benjamin Wöhr, Georg M. Sommer
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Patent number: 11192131Abstract: The disclosure relates to a coating method for coating a component with a coating agent, comprising the following steps: moving an application device over a component surface of the component to be coated, delivering a coating agent jet (9) from the application device to the component surface that is to be coated, defining switching points on the component surface for initiating a switching action, in particular for switching on or switching off a coating agent jet, and performing the switching action when one of the switching points is reached. The disclosure provides the following steps: marking the switching points on the component surface by generating a switching marking on the component surface at the individual switching points, detecting the switching markings corresponding to the individual switching points during movement of the application device, and performing the switching actions when the switching markings are detected on the component surface.Type: GrantFiled: October 15, 2019Date of Patent: December 7, 2021Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek
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Patent number: 11167297Abstract: The disclosure relates to a print head for applying a coating agent to a component, in particular for applying a paint to a motor vehicle body component, having a nozzle plate, a nozzle in the nozzle plate for dispensing the coating agent, and a valve element movable relative to the nozzle plate for controlling the release of coating agent through the nozzle, the movable valve element closing the nozzle in a closed position, whereas the movable valve element releases the nozzle in an opened position, and having a seal for sealing the nozzle with respect to the movable valve element in the closed position of the valve element. The disclosure provides that the seal is not designed as an elastomer insert on the valve element.Type: GrantFiled: December 1, 2017Date of Patent: November 9, 2021Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
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Patent number: 11167308Abstract: The disclosure concerns a printhead for applying a coating agent to a component, in particular for applying a paint to a motor vehicle body component, having at least one outlet opening for dispensing the coating agent, a coating agent supply for supplying the coating agent to the outlet opening, a movable valve element, the valve element in the closed position closes the outlet opening, whereas the valve element in the open position opens the outlet opening, and with a valve actuator for moving the valve element between the opening position and the closed position. The disclosure additionally provides for a flexible membrane which separates the valve actuator from the coating agent supply, the actuator side of the membrane facing the valve actuator and the coating agent side of the membrane being exposed to the coating agent in the coating agent supply.Type: GrantFiled: December 1, 2017Date of Patent: November 9, 2021Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
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Patent number: 11167296Abstract: The disclosure concerns an applicator, in particular a printhead, for applying a coating agent, in particular a paint, to a component, in particular to a motor vehicle body component or an attachment for a motor vehicle body component, having a plurality of nozzles for applying the coating agent in the form of a coating agent jet, and a plurality of coating agent valves for controlling the release of the coating agent through the individual nozzles, and having a plurality of electrically controllable actuators for controlling the coating agent valves. The disclosure provides that a control circuit for electrically controlling the actuators is integrated in the applicator.Type: GrantFiled: September 20, 2018Date of Patent: November 9, 2021Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Mortiz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny, Daniel Tandler, Tobias Berndt, Andreas Geiger
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Patent number: 11167302Abstract: The disclosure relates to a coating installation for coating components with a coating agent, in particular for painting motor vehicle body components, with a nozzle applicator, in particular a print head, with at least one nozzle for delivering a coating agent jet of the coating agent onto the component to be coated. The disclosure provides a device for preventing and/or detecting clogging of the nozzle.Type: GrantFiled: December 1, 2017Date of Patent: November 9, 2021Assignee: Dürr Systems AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
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Patent number: 11154892Abstract: The disclosure concerns a coating device for coating components with a coating agent, in particular for painting motor vehicle body components with a paint, with a printhead for applying the coating agent to the component, and with a coating agent supply for supplying the printhead with the coating agent to be applied, wherein the coating agent flows from the coating agent supply to the printhead at a specific coating agent pressure and a specific flow rate. The disclosure provides that the coating supply will control the coating agent pressure and/or the flow rate of the coating agent. Furthermore, the disclosure includes an associated operating method.Type: GrantFiled: December 1, 2017Date of Patent: October 26, 2021Assignee: DÜRR SYSTEMS AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
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Patent number: 11097291Abstract: A perforated plate for an application device for application of a fluid to a component, preferably a motor vehicle body and/or an attachment for this, comprises at least four through-holes for passage of the fluid. The through-holes are assigned to a nozzle row with a central region and two edge regions and are spaced apart from each other by hole spacings. The at least one outermost hole spacing of the nozzle row in at least one edge region is larger than at least one hole spacing in the central region. An application device and an application method with such a perforated plate is also disclosed.Type: GrantFiled: January 13, 2017Date of Patent: August 24, 2021Assignee: DÜRR SYSTEMS AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl
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Patent number: 10933443Abstract: A method for painting a component, in particular for painting a motor vehicle body component, with a decorative layer is provided. The decorative layer may be a decorative strip, a graphic element, a contrast surface or a pattern. The method includes applying a base coat layer, applying a decorative layer, which is within a decorative region with a limited surface area, to the component, and drying a limited drying region of the component, which drying region comprises at least part of the decorative region.Type: GrantFiled: July 3, 2015Date of Patent: March 2, 2021Assignee: DÜRR SYSTEMS AGInventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Timo Beyl, Moritz Bubek, Jens Eichhorn, Udo Wolf
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Publication number: 20200298254Abstract: The disclosure concerns an applicator (e.g. printhead) for applying a coating agent (e.g. paint) to a component (e.g. motor vehicle body component), having at least one nozzle row with a plurality of nozzles for dispensing the coating agent in the form of a jet in each case, the nozzles being arranged along the nozzle row and in a common nozzle plane, and having a plurality of actuators for controlled release or closure of the nozzles. The disclosure provides that the individual actuators each have an outer dimension along the nozzle row which is greater than the nozzle distance along the nozzle row.Type: ApplicationFiled: September 20, 2018Publication date: September 24, 2020Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Mortiz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny, Daniel Tandler, Tobias Berndt