Patents Assigned to Duerr Systems AG
  • Patent number: 11624440
    Abstract: The disclosure concerns a seal, in particular a rod seal for sealing an axially movable rod in a guide cylinder, in particular a piston seal for a pneumatically, electrically or hydraulically driven coating agent pump for pumping coating agent, having an annular sealing element for sealingly resting on a circumferential surface of an axially movable rod, and having at least one elastic annular pretensioning element, the annular pretensioning element surrounding the annular sealing element radially on the outside and pretensioning it radially to the inside. The disclosure provides an annular seal base body which externally surrounds and holds the sealing element and the pretensioning element. In addition, the disclosure also comprises an inverted variant in which the seal is arranged in an annular groove in a lateral surface of a piston and lies sealingly against the cylinder running surface.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: April 11, 2023
    Assignee: Dürr Systems AG
    Inventors: Herbert Martin, Martin Stiegler, Hannes Mayer, Ralf Schäfer
  • Patent number: 11623232
    Abstract: The disclosure relates to an applicator (RZ), in particular a rotary atomizer, for the application of a coating agent, in particular a two-component paint, comprising a first coating agent connection (SL) for feeding a first coating agent, in particular a basic resin of a two-component paint, a first coating agent strand (L1-L4), which extends in the applicator (RZ) from the first coating agent connection (SL) and carries the first coating agent, and a first valve (SLV1), which is arranged in the first coating agent strand (L1-L4) and controls the flow of the first coating agent, wherein the first valve (SLV1) can be controlled by a first control signal. It is proposed that a first pressure-relief valve (SLV1), which is actuated by its own medium, is arranged in the first coating agent strand (L1-L4) and, to avoid a problem being caused by excessive pressure, opens automatically when the pressure upstream of the first pressure-relief valve (SLV1) exceeds a certain maximum pressure.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: April 11, 2023
    Assignee: Dürr Systems AG
    Inventors: Frank Herre, Manfred Michelfelder, Michael Baumann, Sascha Hermann, Bernhard Seiz, Thomas Buck
  • Patent number: 11596968
    Abstract: The disclosure concerns an applicator for applying a coating agent (e.g. sealing agent) to a component, in particular for sealing or bonding a flanged seam to the motor vehicle body component. The applicator in accordance with the disclosure first has a nozzle for dispensing the coating agent in a specific jet direction onto a component surface of the component to be coated. In addition, the applicator has a nozzle carrier for positioning the nozzle. The nozzle carrier is hollow on at least part of its length to pass the coating agent. Furthermore, the nozzle carrier comprises a plurality of limbs arranged one behind the other and angled relative to each other. The nozzle is arranged on the nozzle carrier, in particular on the distal limb of the nozzle carrier.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: March 7, 2023
    Assignee: Dürr Systems AG
    Inventors: Lothar Rademacher, Jürgen Körmöci, Dmitri Noak
  • Patent number: 11583869
    Abstract: The disclosure relates to a nozzle device for emitting at least one emission medium onto a component, preferably onto a fold, an edge or a transition joint of the component. The nozzle device comprises at least two nozzle plates arranged adjoining one another, wherein a first nozzle plate comprises at least one opening for emitting at least one emission jet and a second nozzle plate comprises at least two openings for emitting at least two emission jets.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: February 21, 2023
    Assignee: Dürr Systems AG
    Inventors: Bernd Kraft, Dmitri Noak
  • Publication number: 20230044108
    Abstract: The disclosure concerns a coating device and a corresponding coating process for coating components, in particular motor vehicle body components, with a coating agent (e.g. paint), with a coating robot with a first printhead which is mounted on the coating robot. The disclosure provides that the first printhead is exchangeably mounted on the coating robot and can be exchanged for a second printhead during a color change. Another variant of the disclosure, on the other hand, provides for a second printhead to be mounted on the coating robot in addition to the first printhead, the two printheads each applying a specific coating agent in order to enable a color change without changing the printhead.
    Type: Application
    Filed: October 13, 2022
    Publication date: February 9, 2023
    Applicant: Dürr Systems AG
    Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
  • Patent number: 11548164
    Abstract: The disclosure concerns a coating robot for coating components, having a robot base, a rotatable robot member, a pivotable proximal robot arm with two arm parts which can be rotated relative to one another and are connected to one another by a bearing ring, a pivotable distal robot arm, a robot hand axis, a connecting flange at the free end of the robot hand axis for connecting an application device and with a line arrangement which is guided from the robot base to the connecting flange for the application device. The disclosure provides that the line arrangement is passed through the first bearing ring between the two arm parts of the proximal robot arm.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: January 10, 2023
    Assignee: DÜRR SYSTEMS AG
    Inventors: Andreas Collmer, Steffen Hein, Thomas Hezel
  • Patent number: 11529645
    Abstract: The disclosure relates to a perforated plate for an application apparatus for the application of a fluid onto a component, preferably a motor vehicle bodywork and/or an add-on part therefor. The perforated plate comprises at least three through-holes for the passage of the fluid, wherein the through-holes are assigned to a row of nozzles with a central region and two edge regions, wherein the at least one outermost through-hole in at least one edge region has at least one reference opening diameter that is smaller than at least one reference opening diameter of at least one through-hole in the central region. The disclosure also relates to an application apparatus and an application method with such a perforated plate.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: December 20, 2022
    Assignee: DÜRR SYSTEMS AG
    Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl
  • Patent number: 11511297
    Abstract: The disclosure relates to a nozzle device for emitting an emission medium onto a component, preferably for emitting the emission medium onto two side faces and preferably an end face of a fold, an edge or a transition joint of the component. The nozzle device comprises an opening configuration for emitting the emission medium and is distinguished particularly in that the opening configuration comprises at least two openings for emitting at least two jets of the emission medium and the at least two openings are oriented inwardly so that the at least two jets approach one another toward the emission side.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: November 29, 2022
    Assignee: DÜRR SYSTEMS AG
    Inventors: Bernd Kraft, Dmitri Noak
  • Patent number: 11511291
    Abstract: The disclosure relates to an applicator, in particular a printhead, for applying a coating agent, in particular a paint, to a component, in particular a motor vehicle body component or an add-on part for a 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 coating agent jet, the nozzles are arranged one behind the other in a nozzle plane along the nozzle row at a specific nozzle spacing, and having a plurality of actuators for controlling the release of coating agent through the individual nozzles, the actuators each having an outer dimension along the nozzle row. The disclosure provides that the nozzle distance between the adjacent nozzles of the nozzle row is smaller than the outer dimension of the individual actuators along the nozzle row.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: November 29, 2022
    Assignee: DÜRR SYSTEMS AG
    Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Mortiz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny, Daniel Tandler, Tobias Berndt
  • Patent number: 11511313
    Abstract: The disclosure relates to an operating method for a coating system, in particular for a painting system, for coating components (2), in particular motor vehicle body components (2), having the following steps: conveying, by means of a conveying device (3), the components (2) to be coated in a conveying direction through a coating booth (1), coating the components (2) in the coating booth (1) with a coating product by means of an application device (17-19) which applies a spray jet of the coating product, a portion of the applied coating product being deposited on the components (2) to be coated while another portion of the applied coating product floats into the interior of the coating booth (1) as an excess coating product mist (21), and reducing the excess coating product mist (21) from the interior of the booth by means in addition to or other than the downwardly directed air flow generated by a filter ceiling. In addition, the disclosure includes a correspondingly designed coating system.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: November 29, 2022
    Assignee: DÜRR SYSTEMS AG
    Inventors: Harry Krumma, Benjamin Wöhr, Frank Herre, Detlev Hannig, Alexander Meissner, Andreas Federmann, Pascal Spathelf, Michael Lauer, Robert Baumeister, Martin Weidle
  • Patent number: 11504735
    Abstract: The disclosure concerns a coating device and a corresponding coating process for coating components, in particular motor vehicle body components, with a coating agent (e.g. paint), with a coating robot with a first printhead which is mounted on the coating robot. The disclosure provides that the first printhead is exchangeably mounted on the coating robot and can be exchanged for a second printhead during a color change. Another variant of the disclosure, on the other hand, provides for a second printhead to be mounted on the coating robot in addition to the first printhead, the two printheads each applying a specific coating agent in order to enable a color change without changing the printhead.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: November 22, 2022
    Assignee: DÜRR SYSTEMS AG
    Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
  • Publication number: 20220341665
    Abstract: In order to provide a separating device for separating two spatial regions, which has a simple structure and provides for efficient fluid separation, it is proposed that the separating device comprises a supply device for supplying a separating fluid to be introduced between the two spatial regions, the supply device preferably comprising at least two guide elements for guiding the separating fluid, which guide elements are designed in particular as guide plates
    Type: Application
    Filed: September 4, 2020
    Publication date: October 27, 2022
    Applicant: Dürr Systems AG
    Inventors: Oliver Iglauer-Angrik, Kevin Woll
  • Patent number: 11440035
    Abstract: An application device for the application in series of a paint or other coating compositions to motor vehicle bodies or add-on parts thereof has a nozzle print head which contains a plurality of nozzles arranged, for example, in one or more rows, which apply the coating composition to the surface to be coated as continuous jets or individual drops. The nozzle print head is arranged on a multi-axis coating robot. In contrast to application devices of this type known hitherto, the coating composition consists of at least two components which are to be mixed together, such as, for example, 2K paint, which are fed to the nozzle print head via separate supply lines for jointly supplying the nozzles.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: September 13, 2022
    Assignee: Dürr Systems AG
    Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
  • Patent number: 11413639
    Abstract: The disclosure relates to a supply system for supplying multiple consumers with a substance to be applied, preferably paint, for application to motor vehicle bodies and/or add-on parts thereof. The supply system comprises a feed line, a return line, a first consumer device which comprises a first consumer, the first consumer being connected to the feed line and the return line and preferably forming a first consumer of the feed line in the flow direction of the substance to be applied, and a further consumer device which comprises a further consumer, the further consumer being connected to the feed line and the return line and preferably forming a last consumer of the feed line in the flow direction of the substance to be applied and/or being arranged after the first consumer in the flow direction of the substance to be applied. The supply system is distinguished in particular in that the feed line is connected to the return line via a connecting line.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: August 16, 2022
    Assignee: Dürr Systems AG
    Inventor: Alexander Rüger
  • Patent number: 11400400
    Abstract: A separating stage for inertial separation of components contained in a fluid flowing through, in particular paint particles and/or paint agglomerates includes at least one separating segment, which has at least one acceleration section for the fluid on the inlet side, in which the fluid is accelerated in a through-flow direction, and a first impaction surface for components contained in the fluid is downstream of the acceleration section. A separating unit having at least one separating stage, a kit, a transport cart, a coating facility, and a method for producing a separating unit are also provided.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: August 2, 2022
    Assignee: DÜRR SYSTEMS AG
    Inventors: Oliver Seyboth, Andreas Neu
  • Patent number: 11338312
    Abstract: 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: Grant
    Filed: December 1, 2017
    Date of Patent: May 24, 2022
    Assignee: Dürr Systems AG
    Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
  • Patent number: 11319158
    Abstract: In order to create a conveying system which is of simple construction and enables an efficient conveyance of objects, it is proposed that the conveying system comprises a first conveying device and a second conveying device, wherein the objects are able to be taken over from the first conveying device and/or are transferrable to the first conveying device by means of the second conveying device.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: May 3, 2022
    Assignee: Dürr Systems AG
    Inventors: Oliver Iglauer-Angrik, Kevin Woll, Dietmar Wieland, Jasmin Bajsini, Friedhelm Eisenacher
  • Patent number: 11311903
    Abstract: The invention relates to a coating method for coating a component surface (4) with a coating agent, in particular for painting a motor vehicle body component with a paint, having the following steps: ? emitting a spray jet (1) of the coating agent onto the component surface (4) of the component to be coated by means of an atomizer (2), said spray jet (1) having a main axis (5) and having an asymmetry with respect to the main axis (5) such that the spray jet (1) generates a spray pattern with a corresponding asymmetry on the component surface (4), and ? at least partially compensating for the asymmetry of the spray jet (1) such that the asymmetry of the resulting spray pattern on the component surface (4) is reduced. The invention further relates to a corresponding coating device.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: April 26, 2022
    Assignee: DÜRR SYSTEMS AG
    Inventors: Andreas Fischer, Ralph Glaser, Carmen Goltz
  • Patent number: 11298717
    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.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: April 12, 2022
    Assignee: Dürr Systems AG
    Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
  • Patent number: 11278927
    Abstract: 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: Grant
    Filed: March 9, 2020
    Date of Patent: March 22, 2022
    Assignee: Dürr Systems AG
    Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek