Patents Assigned to Durr Systems, Inc.
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Patent number: 8418647Abstract: A dual action piston type metering device is installed between the color changer of a coating system and its atomizer, the metering cylinder of which includes two input ports with the color changer output ports connected to the atomizer. The dual action piston type metering device enables the alternating operation of the cylinder ranges (A/B-operation) with only one single metering cylinder.Type: GrantFiled: October 20, 2006Date of Patent: April 16, 2013Assignee: Dürr Systems Inc.Inventor: Herbert Martin
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Patent number: 8397662Abstract: A coating device for coating parts, in particular body components for automobiles, has at least one piece of application equipment for applying a coating to the components and has a feed device for feeding the components into a suitable coating position relative to the coating equipment. It is proposed that the feed device has at least one handling robot which brings the components into the coating position. Furthermore, a corresponding method is disclosed.Type: GrantFiled: May 30, 2007Date of Patent: March 19, 2013Assignee: Dürr Systems Inc.Inventors: Frank Herre, Rainer Laufer
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Publication number: 20120269692Abstract: A manufacturing apparatus for producing products results in solid waste and organic waste disposed in an air stream. The organic waste is subject to oxidation by a thermal oxidizer receiving the air stream from the manufacturing apparatus for oxidizing the organic waste. The thermal oxidizer includes a clean air outlet for venting the oxidized air stream to the atmosphere. A gasifier receives solid waste from the manufacturing apparatus for gasifying the solid waste and producing synthetic gas. The synthetic gas is introduced to the thermal oxidizer for providing additional thermal energy to the thermal oxidizer reducing the amount of fossil fuel required to provide thermal energy to the thermal oxidizer that is necessary for oxidizing the organic waste disposed in said air stream.Type: ApplicationFiled: July 3, 2012Publication date: October 25, 2012Applicant: DÜRR SYSTEMS, INCInventors: James Stone, Steven William Blocki
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Patent number: 8237006Abstract: A manufacturing apparatus for producing products results in solid waste and organic waste disposed in an air stream. The organic waste is subject to oxidation by a thermal oxidizer receiving the air stream from the manufacturing apparatus for oxidizing the organic waste. The thermal oxidizer includes a clean air outlet for venting the oxidized air stream to the atmosphere. A gasifier receives solid waste from the manufacturing apparatus for gasifying the solid waste and producing synthetic gas. The synthetic gas is introduced to the thermal oxidizer for providing additional thermal energy to the thermal oxidizer reducing the amount of fossil fuel required to provide thermal energy to the thermal oxidizer that is necessary for oxidizing the organic waste disposed in said air stream.Type: GrantFiled: February 27, 2009Date of Patent: August 7, 2012Assignee: Durr Systems, Inc.Inventors: James Stone, Steven William Blocki
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Patent number: 8192800Abstract: An application robot, specifically a painting robot, for coating workpieces with a coating medium and an appropriate operating method. The painting robot has multiple movable axes and a spatially positionable end effector. Multiple application devices are attached to the end effector.Type: GrantFiled: July 2, 2010Date of Patent: June 5, 2012Assignee: Durr Systems, Inc.Inventors: Einar Endregaard, Frank Herre
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Patent number: 8141797Abstract: A rotary atomizer applies particulate paints with good color matching by reducing paint droplet size deviation and then optimizing the other paint spraying parameters. Paint droplet size parameters are reduced by using a bell cup having reduced flow deviations, including an overflow surface having a generally constant angle between a deflector and an atomizing edge.Type: GrantFiled: February 22, 2006Date of Patent: March 27, 2012Assignee: Durr Systems Inc.Inventors: Kurt Vetter, Rolf Schneider, Andreas Fischer, Robert F. Heldt
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Publication number: 20120037716Abstract: A paint delivery and application apparatus, wherein the apparatus includes a source of paint, a paint applicator, a supply line interconnecting the source of paint and the applicator and at least one pig in the supply line, wherein the paint pushes the pig from adjacent the source of paint to the paint applicator and a source of purging solvent delivering a small volume of purging solvent to the supply line when the pig is adjacent the source of paint adjacent to and upstream of the pig acting as a lubricant, reducing chattering and skipping of the pig and extending the life of the pig. Where the apparatus includes two pigs, purging solvent is delivered between the pigs adjacent the applicator, the pigs are delivered to adjacent the source of paint and a small volume of solvent is then delivered from between the pigs upstream of the pigs.Type: ApplicationFiled: August 13, 2010Publication date: February 16, 2012Applicant: DURR SYSTEMS, INC.Inventors: Robert F. Heldt, Rainer Melcher, Manfred Michelfelder, Robert E. Brady
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Patent number: 8097293Abstract: The invention relates to an operating method for an atomiser (1) for the coating of structural components, particularly of vehicle body parts, with the following steps: Application of a spray jet of a coating agent through the atomiser (1); discharge of a first guide air flow (11) for the formation of a spray jet; determination of at least one application parameter (?, ?, T, BC/CC, Qvarnish, n, U,) which reproduces a property (?, ?, T, BC/CC) of the applied coating agent or an operating variable (Qvarnish, n, U) of the atomiser (1) as well as influencing of the first guide air flow (11) as a factor of the application parameter (?, ?, T, BC/CC, Qvarnish, n, U,). Within the framework of the invention, there is the alternative option that fluctuations of the application parameters and, based thereon, variations of the spray jet width are taken into account by means of an adaptation of the path spacing (d) between the adjacent coating agent paths for the purpose of keeping the path overlapping constant.Type: GrantFiled: September 19, 2007Date of Patent: January 17, 2012Assignee: Durr Systems Inc.Inventors: Benjamin Wöhr, Hans-Jürgen Nolte, Andreas Fischer, Peter Marquardt, Frank Herre, Marcus Frey
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Patent number: 8065122Abstract: A method of designing or evaluating the design of a bake oven for curing paint on an article to achieve the cure criteria for predetermined areas of the article, including creating a three-dimensional model of the article and the bake oven, dividing the three-dimensional model into discreet elements, using a computer to set each discreet element to initial conditions and at an initial time, repeating this step to achieve substantial convergence, comparing the cure criteria with the calculated temperature as a function of time and finally modifying the computational model of the bake oven to achieve the cure criteria based upon a computer simulation.Type: GrantFiled: June 26, 2008Date of Patent: November 22, 2011Assignee: Durr Systems, Inc.Inventors: Guang Yu, Joseph M. Klobucar
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Patent number: 8028651Abstract: A metering system for a coating installation for coating components such as vehicle body parts contains an applicator which applies the coating material supplied to it with a volumetric flow metered on-demand, a regulated first metering device which adjusts the pressure or the volumetric flow of the coating material to be applied by the applicator based on setpoints which are specified by automated installation controls, a transducer to generate a reading which matches the pressure or the volumetric flow of the coating material flowing to the applicator and a control device for regulating the metering device as a function of the specified setpoints and of the reading from the transducer. A second metering device is connected at the outlet of the regulated first metering device for the coating material flowing to the applicator which controls the pressure or volumetric flow of the said applied coating material for precision metering of the coating material applied as a function of the specified setpoints.Type: GrantFiled: April 21, 2008Date of Patent: October 4, 2011Assignee: Durr Systems, Inc.Inventors: Lothar Rademacher, Wolfgang Schmid
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Patent number: 8020784Abstract: A coating material supply device is disclosed, such as for a paint facility. An exemplary coating material supply device may include a coating material reservoir and a coating material meter. During application of coating material, the coating material reservoir may be at ground potential and may be located upstream from the coating material meter, which may be at a high-voltage potential. The reservoir may be connected via an insulating path to the coating material meter. The coating material meter may be at ground potential when the coating material reservoir supplies coating material to the coating material meter. Before the coating material meter is returned to a high-voltage potential for continued application of coating material, the insulating path may be emptied to insulate the coating material meter from the coating material reservoir.Type: GrantFiled: October 6, 2006Date of Patent: September 20, 2011Assignee: Durr Systems Inc.Inventors: Michael Baumann, Frank Herre, Herbert Martin, Rainer Melcher, Manfred Michelfelder, Bernhard Seiz, Richard Ostin, Robert F. Heldt
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Patent number: 7971805Abstract: The invention relates to an atomizer and method of operation for an atomizer having an application element for applying a spray of coating medium on a component to be coated and at least one integrated shroud air nozzle for delivering conditioned shroud air which at least partially surrounds the spray of the coating medium.Type: GrantFiled: April 26, 2007Date of Patent: July 5, 2011Assignee: Durr Systems Inc.Inventors: Hans-Jürgen Nolte, Frank Herre, Andreas Fischer, Peter Marquardt
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Publication number: 20110111357Abstract: An oven assembly for baking coatings applied to an object includes a housing with a header receiving pressurized air from a ventilator disposed outside the oven. A heater provides heat to the pressurized air received from the ventilator raising the temperature of the pressurized air to between about two and four times curing temperature in Fahrenheit degrees of the coatings applied to the object. The header extends from the heater into the housing. The header has nozzles disposed at spaced locations directing pressurized air at the temperature being between about two and four times the curing temperature in Fahrenheit degrees of the coating applied to the object toward predetermined locations on the object.Type: ApplicationFiled: January 13, 2011Publication date: May 12, 2011Applicant: DURR SYSTEMS, INC.Inventors: Joseph M. Klobucar, James L. Pakkala, Guang Yu
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Patent number: 7934466Abstract: The invention concerns a coating plant for the coating of construction units with a coating medium, in particular a paint system for the lacquer finish of motor vehicle body parts, with a dosing pump, the coating medium supplied with a certain delivery (Fm) proportioned, and a pressure control valve arranged upstream before the dosing pump to adjust a coating medium pressure (p v) at the entrance of the dosing pump, as well as a control unit to adjust the pressure control valve a controlled variable of the pressure difference (?p) through the dosing pump independently of the delivery of the dosing pump and the changing viscosity of the lacquers to an essentially constant desired value (?pTARGET).Type: GrantFiled: March 2, 2007Date of Patent: May 3, 2011Assignee: Durr Systems Inc.Inventors: Andreas Collmer, Wilhelm Hofmann
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Patent number: 7905723Abstract: An oven assembly for baking coatings applied to an object includes a housing with a header receiving pressurized air from a ventilator disposed outside the oven. A heater provides heat to the pressurized air received from the ventilator raising the temperature of the pressurized air to between about two and four times curing temperature in Fahrenheit degrees of the coatings applied to the object. The header extends from the heater into the housing. The header has nozzles disposed at spaced locations directing pressurized air at the temperature being between about two and four times the curing temperature in Fahrenheit degrees of the coating applied to the object toward predetermined locations on the object.Type: GrantFiled: February 1, 2007Date of Patent: March 15, 2011Assignee: Durr Systems, Inc.Inventors: Joseph M. Klobucar, James L. Pakkala, Guang Yu
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Patent number: 7870807Abstract: A robot wrist for a painting robot has several wrist sections that can be rotated relative to one another, an internal conduit that passes through the wrist sections, a flexible hose carried in the internal conduit and having a hose drive operating on the hose to achieve positive rotation of the hose in the internal conduit corresponding to the rotation of the wrist sections.Type: GrantFiled: September 26, 2006Date of Patent: January 18, 2011Assignee: Durr Systems Inc.Inventors: Thomas Hezel, Bernd Leiensetter, Frank Herre, Bekim Maxharraj, Nedime Maxaharraj, legal representative
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Patent number: 7802687Abstract: The invention relates to a coating powder sieving device, specifically for a powder paint coating installation, having a screen surface for sieving a coating powder. The screen surface is angular. An ultrasonic probe excites vibrations in the screen surface wherein the vibrations in the screen surface occur substantially in a direction perpendicular to the screen surface. A powder fluidization hopper incorporating the coating powder sieving device and a powder coating installation including plural powder fluidization hoppers are also disclosed.Type: GrantFiled: May 31, 2006Date of Patent: September 28, 2010Assignee: Durr Systems Inc.Inventors: Hans-Georg Fritz, Marcus Treppschuh
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Patent number: 7798094Abstract: Coating installation, specifically for painting automobile body parts, having at least two application robots (3, 5) for applying a coating means to a target, at least two handling robots (4. 6) for handling the target and two linear guides (1, 2) along which the handling robots (4. 6) and the application robots (3, 5) can be driven. It is proposed that each of the two linear guides (1, 2) carries at least one of the application robots (3, 5) and at least one of the handling robots (4. 6).Type: GrantFiled: June 23, 2005Date of Patent: September 21, 2010Assignee: Durr Systems, Inc.Inventor: Alexander Meissner
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Patent number: 7793858Abstract: A paint delivery and application apparatus, wherein the apparatus includes a source of paint, a paint applicator, a supply line interconnecting the source of paint and the applicator and at least one pig in the supply line, wherein the paint pushes the pig from adjacent the source of paint to the paint applicator and a source of purging solvent delivering a small volume of purging solvent to the supply line when the pig is adjacent the source of paint adjacent to and upstream of the pig acting as a lubricant, reducing chattering and skipping of the pig and extending the life of the pig. Where the apparatus includes two pigs, purging solvent is delivered between the pigs adjacent the applicator, the pigs are delivered to adjacent the source of paint and a small volume of solvent is then delivered from between the pigs upstream of the pigs.Type: GrantFiled: January 10, 2005Date of Patent: September 14, 2010Assignee: Durr Systems, Inc.Inventors: Robert F. Heldt, Rainer Melcher, Manfred Michelfelder, Robert E. Brady
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Patent number: D656538Type: GrantFiled: September 11, 2009Date of Patent: March 27, 2012Assignee: Durr Systems, Inc.Inventors: Frank Herre, Manfred Michelfelder, Markus Erhardt, Michael Baumann, Rainer Melcher, Thomas Buck