With Control Responsive To Sensed Condition Patents (Class 204/472)
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Patent number: 11340009Abstract: A method of manufacturing a dew formation preventing member having a super water repellent surface of the present invention comprises the steps of: mixing a particular paint and polytetrafluorethylene at a predetermined ratio; particulate painting the mixed paint on a substrate surface; and heat treating the particulate painted substrate. A method of manufacturing a dew formation preventing member having a super water repellent surface according to another aspect of the present invention comprises the steps of: immersing a substrate in an electro deposition paint, and applying a direct current to conduct electro deposition painting; heat treating the substrate that has undergone the electro deposition painting; and plasma treating the surface of the substrate that has undergone the electro deposition painting.Type: GrantFiled: October 9, 2020Date of Patent: May 24, 2022Assignees: LG Electronics Inc., (Industry-University Cooperation Foundation Hanyang University)Inventors: Sunam Chae, Kyungseok Kim, Dongrip Kim, Hanmin Jang, Heungsoo Lee
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Publication number: 20140158399Abstract: A method is provided for repairing defects in a contact printed circuit. The method provides a substrate with a contact printed circuit formed on a substrate top surface. After detecting a discontinuity in a printed circuit feature, a bias voltage is applying to at least one of a first region of the printed circuit feature or a second region of the printed circuit feature. The bias voltage may also be applied to both the first and second regions. An electric field is formed between the bias voltage and an ink delivery nozzle having a voltage potential less than the bias voltage. Conductive ink is attracted into the electric field from the ink delivery nozzle. Conductive is printed ink on the discontinuity, forming a conductive printed bridge. Typically, the ink delivery nozzle is an electrohydrodynamic (EHD) printing nozzle.Type: ApplicationFiled: December 11, 2012Publication date: June 12, 2014Inventors: Kurt Ulmer, Kanan Puntambekar, Lisa H. Stecker
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Patent number: 8431003Abstract: A monitoring method of the invention is for monitoring electrodeposition coating of an object to be coated in which a conveying mechanism that conveys the object to be coated while the object is immersed in an electrodeposition paint in an electrodeposition bath, and a plurality of electrodes arranged along a conveying direction in which the object to be coated is conveyed by the conveying mechanism, are used, the method including: acquiring present position data of the object in the conveying direction; when the acquired present position data has a value corresponding to a predetermined determination position, acquiring an electric current value corresponding to a predetermined one, associated with the determination position, of the electrodes; and determining the occurrence of the abnormality for the object to be coated that is positioned at the determination position, based on whether the acquired electric current value is within a predetermined range.Type: GrantFiled: September 8, 2009Date of Patent: April 30, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventor: Kozo Sato
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Patent number: 8313627Abstract: A drag through electro-deposition system and a method of performing a drag through electro-deposition process on a vehicle body is disclosed. The system may include pairs of anodes, with each pair having a corresponding anode pair power supply. As a vehicle body is carried through the electro-deposition tank, the electric power to each pair is individually adjusted relative to the vehicle body position in the tank.Type: GrantFiled: January 24, 2008Date of Patent: November 20, 2012Assignee: GM Global Technology Operations LLCInventors: Rainer Gerharz, Russell A. Wiedmaier
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Patent number: 8282802Abstract: Provided with a work electrodeposition coating method for immersing a work in a paint in an electrodeposition tank provided with a first positive electrode for supplying a low voltage and a second positive electrode for supplying a high voltage to carry out electrodeposition coating of a work surface.Type: GrantFiled: August 27, 2008Date of Patent: October 9, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Kimihiro Sato, Hidetoshi Kato, Masakazu Nakayama
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Patent number: 8262890Abstract: Electrodeposition painting systems may include an electrodeposition bath containing an electrodeposition paint solution, wherein the electrodeposition paint solution is in contact with an electrodeposition bath anode that charges the paint such that it electrocoats parts submerged therein to form electrocoated parts, a rinse tank that rinses the electrocoated parts, wherein a rinse tank reservoir of the rinse tank is capable of fluid communication with the electrodeposition bath, a filter that filters the electrodeposition paint solution to separate filtered water from the paint, and an ionizer assembly including one or more electrodes in contact with the filtered water and a power supply connected to the one or more electrodes, wherein the power supply causes a plurality of electrode ions from the one or more electrodes to enter the filtered water to produce filtered water including electrode ions such that the filtered water including electrode ions flows into and sterilizes the electrodeposition paint soluType: GrantFiled: June 1, 2010Date of Patent: September 11, 2012Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventor: James Walter Meade
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Publication number: 20120211365Abstract: A method of altering a property of a surface includes suspending a plurality of low surface energy particles in a solvent, agglomerating the suspension of particles, and subjecting the suspension of particle agglomerates to electrophoretic deposition onto a substrate for a predetermined time. The altered surface may be superhydrophilic or superhydrophobic.Type: ApplicationFiled: February 22, 2012Publication date: August 23, 2012Applicant: Massachusetts Institute of TechnologyInventors: Young Soo Joung, Cullen Richard Buie
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Patent number: 8182667Abstract: A method for the electrophoretic coating of workpieces with a coating medium, in particular lacquer, and a coating installation are described. In the method, at least one workpiece is immersed in the coating medium. With a voltage source, a d.c. voltage is applied between the workpiece and at least one electrode immersed in the coating medium. The d.c. voltage is increased continuously, in an essentially stepless manner, throughout virtually the entire coating operation in such a way that the coating current density on the surface of the workpiece remains essentially constant over time.Type: GrantFiled: July 28, 2007Date of Patent: May 22, 2012Assignee: Eisenmann AGInventors: Juergen Schlecht, Zoltan-Josef Horvath
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Publication number: 20110247936Abstract: A process and method is described for the deposition of the enhanced chemical and electrochemical activity layers essential for the operation of a battery, fuel cell or other electrochemical devices like sensors. A precise and well-calibrated combination of agents with specific values, like exterior electric fields (direct current (d.c.), alternative current (a.c.), variable magnetic fields, and acoustic/elastic fields are used in tailoring of interface properties essential for the operation of the device with enhanced properties. This invention describes processes for doping the active interfaces in electrodes, leading to the enhancement of properties and to an increased degree of control via a synergistic combination of (any of the following): direct current (d.c.) field, variable alternative current (a.c.) field, variable acoustic/elastic field, variable magnetic field and a variation of the partial pressure of oxygen and/or other gases in the interior of the electrode deposition reactor.Type: ApplicationFiled: April 7, 2011Publication date: October 13, 2011Inventor: Victor Stancovski
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Patent number: 7993819Abstract: Electrowetting display devices and fabrication methods thereof are presented. The electrowetting display device includes a first substrate and a second substrate with a polar fluid layer and a non-polar fluid layer insolvable to each other and interposed between the first and second substrates. A first transparent electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A dielectric layer is disposed on the second electrode. A hydrophilic partition wall structure is directly disposed on the dielectric layer defining a plurality of pixel regions. A layer of low surface energy material is disposed on the dielectric layer within each of the pixel region.Type: GrantFiled: May 19, 2010Date of Patent: August 9, 2011Assignee: Industrial Technology Research InstituteInventors: Kuo-Lung Lo, Chih-Chun Hsiao
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Publication number: 20090188797Abstract: A drag through electro-deposition system and a method of performing a drag through electro-deposition process on a vehicle body is disclosed. The system may include pairs of anodes, with each pair having a corresponding anode pair power supply. As a vehicle body is carried through the electro-deposition tank, the electric power to each pair is individually adjusted relative to the vehicle body position in the tank.Type: ApplicationFiled: January 24, 2008Publication date: July 30, 2009Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.Inventors: Rainer Gerharz, Russell A. Wiedmaier
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Publication number: 20090045654Abstract: A door closure prevention tool (20) interposed between a vehicle body (10) and a door (11) when the door must be brought to a slightly open position, wherein the door closure prevention tool (20) allows locking to be released by a robot arm (75), and movement from a slightly open position to a completely open position to be performed by the robot arm. A vehicle body coating method using the tool is also disclosed.Type: ApplicationFiled: October 26, 2006Publication date: February 19, 2009Applicant: HONDA MOTOR CO., LTD.Inventor: Eiichi Yoshida
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Patent number: 7349755Abstract: A processor-based system for monitoring and optimizing an electrocoating operation comprising at least one data acquisition module configured to receive characteristics of the electrocoating operation and at least one process control module in communication with the at least one data acquisition module and the electrocoating operation. An electrocoating process that includes such a process or based system and methods of using the system are also disclosed.Type: GrantFiled: March 4, 2004Date of Patent: March 25, 2008Assignee: Valspar Sourcing, Inc.Inventors: Michael A. Contos, Michael J. Bourdeau, Lonnie L. Pillar, Robert A. Sailer
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Patent number: 6872291Abstract: The presence of biological contaminants in a liquid coating composition is determined by measuring the carbon dioxide content of the atmosphere above the liquid and comparing the measured carbon dioxide level to a baseline carbon dioxide level. A biocide can be added to the liquid when the measured carbon dioxide level reaches a predetermined value to control the level of biological contaminants in the liquid coating composition.Type: GrantFiled: January 9, 2002Date of Patent: March 29, 2005Assignee: PPG Industries Ohio, Inc.Inventors: Donald W. Boyd, Steven R. Zawacky
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Patent number: 6531042Abstract: Electrodeposition (ED) systems and methods are disclosed where acid control is possible without adding acid from outside when acid tends to be depleted. A mixture of high neutralizer removal type membrane electrodes and low neutralizer removal type membrane electrodes are placed in an ED tank. To each of these two types of electrodes separate and independent electrolyte circulation systems are connected. To each of these circulation system are connected each correspondingly first and second electrolyte conductivity control means, each of which works to add D.I. water, as a dilution media, to corresponding electrolyte circulation system, when the conductivity exceeds pre-set reference conductivity values. The reference conductivity set point at which value the second electrolyte control means will add D.I. water to the second electrolyte circulation system preferably is set higher than the reference conductivity set point at which value the first electrolyte control means will add D.I.Type: GrantFiled: May 11, 2001Date of Patent: March 11, 2003Assignee: Polytechs, Inc.Inventor: Akito Inoue
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Patent number: 6375821Abstract: The invention concerns a method for forming a coating on conductive particles by grafting a polymer and/or a copolymer of the particles from a bath containing at least a monomer from which the polymer and/or copolymer is formed. The method consists of producing the grafting by electrochemical reduction of the monomer in an electrolytic solution, where at least a cathode and an anode are provided, and containing an aprotic solvent, a support electrolyte and the monomer(s) required for polymerizing or copolymerizing the coating, by suspending the particles and moving the solution so as to produce an intermittent contact between the particles and the cathode, and to form, by polymerization or copolymerization, the coating on the particles by applying an electric potential.Type: GrantFiled: June 19, 2000Date of Patent: April 23, 2002Assignee: Cipari S.A.Inventors: Robert Jerome, Lucien Martinot, Marc Mertens, Isabelle Bodart, Philippe Dubois
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Patent number: 6258235Abstract: An electrophoretic coating process of the surface of a sample in a bath, and a coating system, in which, during the flow of an electrophoretic current, one subjects the bath or the sample to vibrational movements so as to produce vaporous cavitations in the vicinity of the surface of the sample. The vibrations may be applied only in an initial phase of the beginning of current flow and/or only in a second phase at the end of current flow. In the system, the vibrations are generated using vibrational generators positioned in only at least one of the beginning and end positions of the container holding the bath.Type: GrantFiled: June 4, 1999Date of Patent: July 10, 2001Assignee: SollacInventors: Jacques Houziel, Philippe Delobel
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Patent number: 5827416Abstract: A process of controlling an ionic electrodeposition coating system is provided for a applying coating solution, which contains a solubilizer and ionic coating particles, to an object. A first flushable, tubular electrode is placed into the tank that is electrically charged and that is accessible by the solution through a correspondingly charged membrane. A second flushable, tubular electrode is also placed into the tank that is electrically charged corresponding to the first electrode and that is accessible by the solution through an oppositely charged membrane. The object to be coated is then supplied with an electrical charge, and the electrodes are supplied with an opposite electrical charge. The application of electrical current causes a portion of the ionic coating particles to be attracted to and deposited upon the object, and also causes a release of excess cations and anions.Type: GrantFiled: September 26, 1996Date of Patent: October 27, 1998Inventors: Sean M. Brown, Francis J. Brady, W. James Allshouse
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Patent number: 5759371Abstract: An overload protection and control circuit and methods for electrocoat painting systems is disclosed. A resistive shunt is utilized to generate a voltage proportional to the level of current flow to electrodes in the electrocoat painting system. After amplification, the generated voltage is compared with a reference voltage. If the current exceeds a predetermined level, indicative of an overcurrent condition, a comparator causes a control circuit to disable current flow. A timer is provided to delay re-enabling of current flow for a predetermined delay interval. The control circuit may receive inputs from a control PLC or computer. The control PLC or computer may receive inputs from sensors such as a pH sensor or a membrane monitor. The control PLC or computer may selectively control the control circuit to various electrodes so as to more appropriately operate the electrocoat painting system.Type: GrantFiled: July 9, 1996Date of Patent: June 2, 1998Assignee: UFS CorporationInventors: Timothy C. Walker, James A. Bernth, H. Frederick Hess, Jr.
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Patent number: 5700361Abstract: A method for manufacturing a thin zirconia film comprises the steps: (a) preparing a suspension in which partially-stabilized or stabilized zirconia particles having electric charges are dispersed in a solvent; (b) positioning a pair of electrodes in the suspension; (c) applying an electric field between the electrodes, said zirconia particles moving to the electrode and said zirconia particles being deposited on the electrode electrochemically; and (d) sintering the zirconia film to form a partially-stabilized or stabilized thin zirconia film.Type: GrantFiled: September 26, 1995Date of Patent: December 23, 1997Assignees: NKK Corporation, Yusaku TakitaInventors: Tohru Shiomitsu, Yasuhiko Manabe, Takashi Ogawa, Yusaku Takita, Tatsumi Ishihara