Patents by Inventor Dat Nguyen
Dat Nguyen 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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Publication number: 20140160207Abstract: Provided herein is an apparatus for jetting ink where the upper side of a nozzle is open and a physical actuator is provided, and a physical actuator is driven by an electrode provided on the upper and lower side to form an electric field, thereby becoming capable of easily jetting fine-diameter ink.Type: ApplicationFiled: November 7, 2013Publication date: June 12, 2014Applicant: Injet Co., Ltd.Inventors: Do-Young Byun, Vu Dat Nguyen
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Patent number: 8704834Abstract: A method for synchronizing an input data stream with an output data stream in a video processor. The method includes receiving an input data stream and receiving an output data stream, wherein the input data stream and the output data stream each comprise a plurality of pixels. The method further includes sequentially storing pixels of the input data stream using an input buffer and sequentially storing pixels of the output data stream using an output buffer. Timing information is determined by examining the input data stream and the output data stream. A synchronization adjustment is applied to the input buffer and the output buffer in accordance with the timing information. Pixels are output from the input buffer and the output buffer to produce a synchronized mixed video output stream.Type: GrantFiled: December 3, 2007Date of Patent: April 22, 2014Assignee: Nvidia CorporationInventors: Dat Nguyen, Lauro Manalac
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Patent number: 8633620Abstract: An electric motor has a stator and a coil which is arranged within the stator housing and whose winding can be energized via a connection line system. A cooling plate is arranged outside the interior of the stator, and on the outer side of said cooling plate a carrier plate for motor electronics is arranged, to which carrier plate the connection line system is connected. The connection line system is led from the inside to the outside through a recess in the cooling plate and is electrically connected to the carrier plate.Type: GrantFiled: May 27, 2008Date of Patent: January 21, 2014Assignee: Robert Bosch GmbHInventors: Peter Kimmich, Quoc-Dat Nguyen
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Publication number: 20130307892Abstract: Provided herein is an apparatus for printing on a 3-dimensional surface using electrohydrodynamic force, the apparatus having a stage where a print object is placed; a shape obtainer storing surface information of the print object; a nozzle receiving ink and discharging the received ink to a surface side of the print object; a power supply supplying power to the nozzle; and a controller receiving the surface information of the print object from the shape obtainer and controlling a movement of the nozzle or the stage. Accordingly, according to the present disclosure, there is provided an apparatus for printing on a 3-dimensional surface using electrohydrodynamic force which is capable of performing a precision printing process on a 3-dimensional surface.Type: ApplicationFiled: May 20, 2013Publication date: November 21, 2013Applicant: ENJET CO., LTD.Inventors: Do-Young BYUN, Vu Dat NGUYEN
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Publication number: 20130287942Abstract: The disclosure relates to a refractory which is resistant to corrosion which degrades the refractory during titanium-ore beneficiation in a furnace, particularly a rotary hearth furnace. In particular, the disclosure relates to a layered refractory lining for a furnace, for use in a titanium ore beneficiation process wherein a titanium oxide-rich molten slag is formed, comprising: (a) a first layer comprising a major proportion of alumina and a minor proportion of zirconia; (b) a second layer comprising a resistant agent for the molten slag; wherein the second layer is between the slag and the first layer.Type: ApplicationFiled: April 4, 2013Publication date: October 31, 2013Inventors: John James BARNES, Dat NGUYEN, Peter HILL, Jay Scott SCHICKLING
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Patent number: 8569191Abstract: The disclosure relates to a refractory which is resistant to corrosion which degrades the refractory during titanium-ore beneficiation in a furnace, particularly a rotary hearth furnace. In particular, the disclosure relates to a layered refractory lining for a furnace, for use in a titanium ore beneficiation process wherein a titanium oxide-rich molten slag is formed, comprising: (a) a first layer comprising a major proportion of alumina and a minor proportion of zirconia; (b) a second layer comprising a resistant agent for the molten slag; wherein the second layer is between the slag and the first layer.Type: GrantFiled: May 5, 2010Date of Patent: October 29, 2013Assignee: E I du Pont de Nemours and CompanyInventors: John James Barnes, Dat Nguyen, Peter Hill, Jay Scott Schickling
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Patent number: 8511402Abstract: In a dual-gradient drilling apparatus, a subsea solids processing unit includes a housing, a solids processing mechanism disposed in the housing between a drilling mud inlet and a drilling mud outlet, and a flushing mechanism configured to flush the solids processing mechanism with a flushing fluid. A subsea solids processing unit may be controlled by rotating the solids processing mechanism in a forward direction and increasing a drive torque when a measured speed of the solids processing mechanism is below a desired rotation speed. The desired rotation speed may be decreased when a measured torque exceeds a selected maximum and a rotation direction of the solids processing mechanism may be reversed when the measured speed falls below a selected minimum.Type: GrantFiled: March 13, 2012Date of Patent: August 20, 2013Assignee: Hydril USA Manufacturing LLCInventors: Peringandoor Raman Hariharan, Robert Arnold Judge, Dat Nguyen, Greg Bailey
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Publication number: 20130193785Abstract: An electric motor has a stator and a coil which is arranged within the stator housing and whose winding can be energized via a connection line system. A cooling plate is arranged outside the interior of the stator, and on the outer side of said cooling plate a carrier plate for motor electronics is arranged, to which carrier plate the connection line system is connected. The connection line system is led from the inside to the outside through a recess in the cooling plate and is electrically connected to the carrier plate.Type: ApplicationFiled: May 27, 2008Publication date: August 1, 2013Applicant: Robert Bosch GMBHInventors: Peter Kimmich, Quoc-Dat Nguyen
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Patent number: 8464797Abstract: A method for assembling a control module having a fixed part and a removable section. The method includes configuring the fixed part of the control module to be attached to a pressure supply line for receiving a fluid under pressure; providing in the fixed part a valve manifold that houses a hydraulic activated valve; detachably attaching the removable section of the control module to the fixed part; fluidly connecting an electrically activated valve of the removable section to the hydraulic activated valve such that the electrically activated valve controls the hydraulic activated valve; and configuring the electrically activated valve to electrically connect to a control section.Type: GrantFiled: June 16, 2010Date of Patent: June 18, 2013Assignee: Hydril USA Manufacturing LLCInventors: Hardev Singh, David Dietz, Jr., Luis Melendez, Dat Nguyen
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Patent number: 8419149Abstract: The liquid droplet spraying apparatus of the present invention includes a nozzle body which comprises a chamber for containing a predetermined amount of fluid supplied from an exterior, and a nozzle communicating with the chamber and spraying a liquid droplet of the fluid contained in the chamber to one side of the material to be printed; an electrode module unit which is arranged to be attached to or spaced apart from an outside of the nozzle body; an alternating current signaler which applies an alternating current signal to the electrode module unit; and a signal control unit which controls intensity and frequency of an output signal from the alternating current signaler.Type: GrantFiled: August 12, 2011Date of Patent: April 16, 2013Assignee: Enjet Co., Ltd.Inventors: Do Young Byun, Vu Dat Nguyen
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Patent number: 8388108Abstract: The liquid droplet spraying apparatus includes a chamber containing a fluid; a nozzle body having a nozzle for spraying the fluid in the chamber to one side of a material to be printed; an electrostatic spray module which is arranged in the vicinity of the chamber or the nozzle, and which forms an electrostatic field for the fluid contained in the chamber to provide a first spray force for spraying the fluid via the nozzle to form a liquid droplet; a physical spray module which is arranged in the chamber and opposite the nozzle, and which provides a second spray force for assisting the first spray force when the first spray force is generated; and a control unit for controlling the electrostatic spray module and the physical spray module such that the first spray force and the second spray force can be provided in a specific pattern.Type: GrantFiled: February 11, 2009Date of Patent: March 5, 2013Assignee: Enjet Co., Ltd.Inventors: Do Young Byun, Vu Dat Nguyen
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Patent number: 8372179Abstract: The present invention is one or more processes for producing separable iron and titanium oxides from an ore comprising titanium oxide and iron oxide, comprising: (a) forming agglomerates comprising carbon-based material and the ore, the quantity of carbon of the agglomerates being at least sufficient for forming a ferrous oxide-containing molten slag, at an elevated temperature; (b) introducing the agglomerates onto a bed of carbon-based material in a moving hearth furnace, wherein the carbon-based materials used for both the agglomerates and the bed have a low sulfur content; (c) heating the agglomerates in the moving hearth furnace to a temperature sufficient for liquefying the agglomerates to produce a liquid comprising ferrous oxide-containing slag; (d) metallizing the ferrous oxide of the slag by reaction of the ferrous oxide and the carbon of the carbon bed at a furnace temperature sufficient for maintaining the slag in a liquid state; (e) solidifying the slag after metallization of the ferrous oxide toType: GrantFiled: October 14, 2008Date of Patent: February 12, 2013Assignee: E I du Pont de Nemours and CompanyInventors: John James Barnes, Stephen Erwin Lyke, Dat Nguyen, Joseph M. Shekiro, Jr., Guangliang Liu
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Patent number: 8333465Abstract: Disclosed are a roll-to-roll printing system and method in which a large number of micro-nozzles are formed directly in a printing roll, and thus ink supplied to the central portion of the roll can be formed into micro-inkjets by inducing an electrostatic field, and furthermore, as a result of the formation of the micro-inkjets, a micro-sized pattern significantly smaller than that achievable by a prior pattern formation method can be printed on a print medium, and in addition, the relative speed of the print medium relative to the roll can be maintained at a speed close to “0” so as to improve the resolution, integration density and precision of the printed pattern. According to the present invention, a large amount of micro-nozzles are formed directly in a printing roll, and thus ink supplied to the central portion of the roll can be formed into micro-inkjets by inducing an electrostatic field.Type: GrantFiled: September 8, 2008Date of Patent: December 18, 2012Assignee: Konkuk University Industrial Cooperation Corp.Inventors: Do Young Byun, Kee Hyun Shin, Ji Hoon Kim, Si Bui Quang Tran, Vu Dat Nguyen
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Publication number: 20120228030Abstract: In a dual-gradient drilling apparatus, a subsea solids processing unit includes a housing, a solids processing mechanism disposed in the housing between a drilling mud inlet and a drilling mud outlet, and a flushing mechanism configured to flush the solids processing mechanism with a flushing fluid. A subsea solids processing unit may be controlled by rotating the solids processing mechanism in a forward direction and increasing a drive torque when a measured speed of the solids processing mechanism is below a desired rotation speed. The desired rotation speed may be decreased when a measured torque exceeds a selected maximum and a rotation direction of the solids processing mechanism may be reversed when the measured speed falls below a selected minimum.Type: ApplicationFiled: March 13, 2012Publication date: September 13, 2012Applicant: GE Oil & Gas Hydril USAInventors: Peringandoor Raman Hariharan, Robert Arnold Judge, Dat Nguyen, Greg Bailey
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Publication number: 20120212938Abstract: A wearable light ring used to illuminate a working area while allowing the user to hold a tool with the same hand. The battery powered ring including an LED and control mechanism. The LED positioned on the light ring as to direct most of the light towards the fingertip allowing the user to simultaneously work with a tool and illuminate the working area with one hand. The light ring also having a mode of operation that filters UV light to prevent curing of composite materials.Type: ApplicationFiled: March 10, 2011Publication date: August 23, 2012Inventors: David Nguyen, Dat Nguyen
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Patent number: 8157014Abstract: In a dual-gradient drilling apparatus, a subsea solids processing unit includes a housing, a solids processing mechanism disposed in the housing between a drilling mud inlet and a drilling mud outlet, and a flushing mechanism configured to flush the solids processing mechanism with a flushing fluid. A subsea solids processing unit may be controlled by rotating the solids processing mechanism in a forward direction and increasing a drive torque when a measured speed of the solids processing mechanism is below a desired rotation speed. The desired rotation speed may be decreased when a measured torque exceeds a selected maximum and a rotation direction of the solids processing mechanism may be reversed when the measured speed falls below a selected minimum.Type: GrantFiled: December 12, 2008Date of Patent: April 17, 2012Assignee: Hydril USA Manufacturing LLCInventors: Peringandoor Raman Hariharan, Robert Arnold Judge, Dat Nguyen, Greg Bailey
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Publication number: 20120064371Abstract: The disclosure relates to a refractory which is resistant to corrosion which degrades the refractory during titanium-ore beneficiation in a furnace, particularly a rotary hearth furnace. In particular, the disclosure relates to a layered refractory lining for a furnace, for use in a titanium ore beneficiation process wherein a titanium oxide-rich molten slag is formed, comprising: (a) a first layer comprising a major proportion of alumina and a minor proportion of zirconia; (b) a second layer comprising a resistant agent for the molten slag; wherein the second layer is between the slag and the first layer.Type: ApplicationFiled: May 5, 2010Publication date: March 15, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: John James Barnes, Dat Nguyen, Peter Hill, Jay Scott Schickling
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Publication number: 20110310148Abstract: The present invention relates to a liquid droplet spraying apparatus and method. The liquid droplet spraying apparatus of the present invention includes a chamber containing a fluid; a nozzle body having a nozzle for spraying the fluid in the chamber to one side of a material to be printed; an electrostatic spray module which is arranged in the vicinity of the chamber or the nozzle, and which forms an electrostatic field for the fluid contained in the chamber to provide a first spray force for spraying the fluid via the nozzle to form a liquid droplet; a physical spray module which is arranged in the chamber and opposite the nozzle, and which provides a second spray force for assisting the first spray force when the first spray force is generated; and a control unit for controlling the electrostatic spray module and the physical spray module such that the first spray force and the second spray force can be provided in a specific pattern.Type: ApplicationFiled: August 12, 2011Publication date: December 22, 2011Applicant: KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP.Inventors: Do Young Byun, Vu Dat Nguyen
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Publication number: 20110285792Abstract: The present invention relates to a liquid droplet spraying apparatus and method. The liquid droplet spraying apparatus of the present invention includes a chamber containing a fluid; a nozzle body having a nozzle for spraying the fluid in the chamber to one side of a material to be printed; an electrostatic spray module which is arranged in the vicinity of the chamber or the nozzle, and which forms an electrostatic field for the fluid contained in the chamber to provide a first spray force for spraying the fluid via the nozzle to form a liquid droplet; a physical spray module which is arranged in the chamber and opposite the nozzle, and which provides a second spray force for assisting the first spray force when the first spray force is generated; and a control unit for controlling the electrostatic spray module and the physical spray module such that the first spray force and the second spray force can be provided in a specific pattern.Type: ApplicationFiled: February 11, 2009Publication date: November 24, 2011Applicant: KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP.Inventors: Do Young Byun, Vu Dat Nguyen
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Patent number: 8061733Abstract: A safety system for vehicle occupants includes a control unit and sensors situated remotely from the control unit and connected via conductors to the control unit. The safety system encompasses means for testing the sensors and the conductors to the sensors.Type: GrantFiled: January 25, 2006Date of Patent: November 22, 2011Assignee: Robert Bosch GmbHInventors: Gernod Heilmann, Huu-Dat Nguyen