Patents by Inventor László Bánkuti
László Bánkuti 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: 20110181176Abstract: A fluorescent lamp includes a discharge tube and an auxiliary amalgam assembly held in the discharge tube by a holder. The holder has first and second regions with attaching portions adapted to receive an associated attachment member. The holder has a first dimension prior to disposition in the discharge tube.Type: ApplicationFiled: January 27, 2010Publication date: July 28, 2011Inventors: Peter Mora, Laszlo Bankuti, Peter Lucz
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Patent number: 7915826Abstract: An electric lamp comprises an inner assembly including a light source and a control gear circuit. An outer envelope encloses the light source and at least a part of the control gear and has a predetermined wall thickness and an end portion. The outer envelope is comprised of two parts separated along a circumferential line. The two parts of the envelope are connectable and sealable to form a uniform outer envelope with a seal region. The seal region has a wall thickness and is merged in a surface portion of the two parts of the envelope so that the surface unevenness of the seal region is not greater than 0.5 millimeters, and the maximum difference of the wall thickness of the seal region with respect to the wall thickness of the outer envelope is not greater than 0.3 millimeters. A method for manufacturing an electric lamp as described above is also disclosed.Type: GrantFiled: July 29, 2008Date of Patent: March 29, 2011Assignee: General Electric CompanyInventors: István Würsching, József Fülöp, Ferenc Papp, László Bánkuti, János Orbán
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Publication number: 20110012509Abstract: This compact fluorescent lamp comprises a discharge tube arrangement with at least one discharge tube. The tube is formed of glass, encloses a discharge volume filled with a discharge gas and has a fluorescent phosphor coating disposed on the inner surface of the tube. The tube forms a continuous arc path and the tube is provided with electrodes disposed at each end of the arc path. The lamp also comprises a ballast circuit connected to the electrodes for controlling the current in the tube and a lamp base for connecting said lamp to a power supply through a socket. The lamp is enclosed in an outer envelope comprising a substantially spherical portion enclosing the tube arrangement and an elongated end portion enclosing the ballast circuit. The end portion of the outer envelope is closed and sealed by a sealing means of the same material as the material of the outer envelope. The sealing means is connected to the envelope in a hermetically sealing way.Type: ApplicationFiled: August 19, 2010Publication date: January 20, 2011Inventors: Istán Würsching, László Bánkuti, Ferenc Papp, József Fülöp
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Patent number: 7804234Abstract: A compact fluorescent lamp comprises a discharge tube arrangement with at least one discharge tube. The tube is formed of glass, encloses a discharge volume filled with a discharge gas and has a fluorescent phosphor coating disposed on the inner surface of the tube. The tube forms a continuous arc path and has electrodes disposed at each end of the arc path. The lamp also comprises a ballast circuit connected to the electrodes by lead-in wires and to a supply voltage by lead-out wires for controlling the current in the tube. A bulb shaped outer envelope comprises a substantially spherical portion, which encloses the tube arrangement and an elongated end portion, which encloses the ballast circuit. The end portion of the outer envelope has a neck portion with an open end on a base side for receiving a base shell.Type: GrantFiled: July 10, 2007Date of Patent: September 28, 2010Assignee: General Electric CompanyInventors: István Würsching, József Fülöp, Ferenc Papp, László Bánkuti
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Patent number: 7710039Abstract: A compact fluorescent lamp comprises a discharge tube arrangement with at least one discharge tube. The tube is formed of glass, encloses a discharge volume filled with a discharge gas and has a fluorescent phosphor coating disposed on the inner surface of the tube. The tube forms a continuous arc path and is provided with electrodes disposed at each end of the arc path. The lamp also comprises a ballast circuit connected to the electrodes by lead-in wires and to a supply voltage by lead-out wires for controlling the current in the tube. A bulb shaped outer envelope has a substantially spherical portion enclosing the tube arrangement and an elongated end portion enclosing the ballast circuit. The end portion of the outer envelope having an open end on a base side is closed and terminated by a closing means of the same material as the outer envelope. The closing means is provided with a tubular opening.Type: GrantFiled: December 14, 2006Date of Patent: May 4, 2010Assignee: General Electric CompanyInventors: István Würsching, Ferenc Papp, József Fülöp, László Bánkuti
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Publication number: 20100026182Abstract: An electric lamp comprises an inner assembly including a light source and a control gear circuit. An outer envelope encloses the light source and at least a part of the control gear and has a predetermined wall thickness and an end portion. The outer envelope is comprised of two parts separated along a circumferential line. The two parts of the envelope are connectable and sealable to form a uniform outer envelope with a seal region. The seal region has a wall thickness and is merged in a surface portion of the two parts of the envelope so that the surface unevenness of the seal region is not greater than 0.5 millimeters, and the maximum difference of the wall thickness of the seal region with respect to the wall thickness of the outer envelope is not greater than 0.3 millimeters. A method for manufacturing an electric lamp as described above is also disclosed.Type: ApplicationFiled: July 29, 2008Publication date: February 4, 2010Inventors: Istvan Wursching, Jozsef Fulop, Ferenc Papp, Laszlo Bankuti, Janos Orban
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Publication number: 20090167184Abstract: The compact fluorescent lamp comprises a bulb shaped outer envelope enclosing a discharge tube having a coiled configuration and a ballast unit for controlling the current in the tube. The lamp further comprises at least one joint mechanical support and starting aid means for positioning the discharge tube and the ballast unit and reducing a breakdown voltage path of the discharge tube. The at least one mechanical support and starting aid means is made of an electrically conducting material and connected electrically to at least one of the electrodes. The neck portion has a retaining member, and the mechanical support and starting aid means is supported by the retaining member and clamped on the discharge tube at least at a location in a vicinity of a middle section of the arc path. The mechanical support means further comprises at least one support section to provide support against an apex of the outer envelope, and at least one fixing section for fixing of the discharge tube.Type: ApplicationFiled: December 26, 2007Publication date: July 2, 2009Inventors: Istvan Wursching, Jozsef Fulop, Ferenc Papp, Laszlo Bankuti
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Publication number: 20090066250Abstract: A dielectric barrier discharge lamp comprises multiple tubular discharge vessels of a substantially equivalent size and having a principal axis. Each discharge vessel encloses a discharge volume filled with a discharge gas. The discharge vessels are arranged substantially parallel to their principal axis and adjacent to each other. The lamp also comprises a first set of interconnected electrodes and a second set of interconnected electrodes. The electrodes are isolated from the discharge volume by at least one dielectric layer. At least one of the dielectric layers is constituted by the wall of the discharge vessel, and the electrodes of at least one electrode set are located between the discharge vessels. In one embodiment, the discharge vessels are adjacent to each other in a lattice, and the first and second electrode sets are located between the discharge vessels in interstitial voids of the lattice.Type: ApplicationFiled: October 17, 2008Publication date: March 12, 2009Inventors: Lajos Reich, Istvan Maros, Laszlo Bankuti, Jozsef Tokes, Zoltan Nagy
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Patent number: 7495396Abstract: A dielectric barrier discharge lamp is disclosed, which comprises a discharge vessel having a principal axis. The discharge vessel encloses a discharge volume filled with a discharge gas. The discharge vessel further comprises end portions intersected by the principal axis. At least one electrode of a first type and at least one electrode of a second type are used in the lamp. The electrodes of one type are energized to act as a cathode and the electrodes of other type are energized to act as an anode. The electrodes are substantially straight, elongated electrodes with a longitudinal axis substantially parallel to the principal axis of the discharge vessel. At least one of the electrodes is positioned within the discharge volume, and the electrodes of at least one type are isolated from the discharge volume by a dielectric layer. At least one of the electrodes inside the discharge volume is provided with an outer luminescent layer.Type: GrantFiled: December 14, 2005Date of Patent: February 24, 2009Assignee: General Electric CompanyInventors: Zsolt Németh, Csenge Csoma, Lajos Reich, László Bánkuti
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Publication number: 20090015131Abstract: A compact fluorescent lamp comprises a discharge tube arrangement with at least one discharge tube. The tube is formed of glass, encloses a discharge volume filled with a discharge gas and has a fluorescent phosphor coating disposed on the inner surface of the tube. The tube forms a continuous arc path and has electrodes disposed at each end of the arc path. The lamp also comprises a ballast circuit connected to the electrodes by lead-in wires and to a supply voltage by lead-out wires for controlling the current in the tube. A bulb shaped outer envelope comprises a substantially spherical portion, which encloses the tube arrangement and an elongated end portion, which encloses the ballast circuit. The end portion of the outer envelope has a neck portion with an open end on a base side for receiving a base shell.Type: ApplicationFiled: July 10, 2007Publication date: January 15, 2009Inventors: Istvan Wursching, Jozsef Fulop, Ferenc Papp, Laszlo Bankuti
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Patent number: 7459856Abstract: A compact fluorescent lamp comprises a discharge tube arrangement with at least one discharge tube. The tube is formed of glass, encloses a discharge volume filled with a discharge gas and has a fluorescent phosphor coating disposed on the inner surface of the tube. The tube forms a continuous arc path and is provided with electrodes disposed at each end of the arc path. The lamp also comprises a ballast circuit mounted on a printed circuit board, which is oriented in a plane substantially parallel to the principal axis of the lamp. The ballast circuit is connected to the electrodes by lead-in wires and to a supply voltage by lead-out wires and controls the current in the tube. A bulb shaped outer envelope has a substantially spherical portion enclosing at least a part of the tube arrangement and an elongated end portion enclosing at least the ballast circuit.Type: GrantFiled: August 13, 2007Date of Patent: December 2, 2008Assignee: General Electric CompanyInventors: István Würsching, József Fülöp, Ferenc Papp, László Bánkuti
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Publication number: 20080278095Abstract: A compact fluorescent lamp comprises a discharge tube arrangement with at least one discharge tube. The tube is formed of glass, encloses a discharge volume filled with a discharge gas and has a fluorescent phosphor coating disposed on the inner surface of the tube. The tube forms a continuous arc path and is provided with electrodes disposed at each end of the arc path. The lamp also comprises a ballast circuit mounted on a printed circuit board, which is oriented in a plane substantially parallel to the principal axis of the lamp. The ballast circuit is connected to the electrodes by lead-in wires and to a supply voltage by lead-out wires and controls the current in the tube. A bulb shaped outer envelope has a substantially spherical portion enclosing at least a part of the tube arrangement and an elongated end portion enclosing at least the ballast circuit.Type: ApplicationFiled: August 13, 2007Publication date: November 13, 2008Inventors: Istvan Wursching, Jozsef Fulop, Ferenc Papp, Laszlo Bankuti
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Publication number: 20080278057Abstract: A bulb-shaped outer envelope for accommodating at least one lamp including a light-emitting body and a control gear is disclosed. The envelope has a substantially spherical section for receiving the light-emitting body, and an elongated end section for receiving at least a part of the control gear components. The elongated end section is provided with a neck section. A substantially tubular neck-extension portion connects to an inner surface portion of and protruding from the neck section. The neck-extension portion is suitable for accommodating a remaining part of the control gear components. In a method for the manufacture of a glass outer envelope, a flare that is normally used in the manufacture of incandescent lamps is turned around by 180°, put into a skirted bulbous envelope, melted into the envelope while the skirt is detached and the flare is formed into a neck-extension portion. A self-ballasted compact fluorescent lamp with the bulb-shaped outer envelope is also disclosed.Type: ApplicationFiled: November 28, 2007Publication date: November 13, 2008Inventors: Jozsef Tokes, Istvan Wursching, Jozsef Fulop, Laszlo Bankuti
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Publication number: 20080136330Abstract: A compact fluorescent lamp comprises a discharge tube arrangement with at least one discharge tube. The tube is formed of glass, encloses a discharge volume filled with a discharge gas and has a fluorescent phosphor coating disposed on the inner surface of the tube. The tube forms a continuous arc path and is provided with electrodes disposed at each end of the arc path. The lamp also comprises a ballast circuit connected to the electrodes by lead-in wires and to a supply voltage by lead-out wires for controlling the current in the tube. A bulb shaped outer envelope has a substantially spherical portion enclosing the tube arrangement and an elongated end portion enclosing the ballast circuit. The end portion of the outer envelope having an open end on a base side is closed and terminated by a closing means of the same material as the outer envelope. The closing means is provided with a tubular opening.Type: ApplicationFiled: December 14, 2006Publication date: June 12, 2008Inventors: Istvan Wursching, Ferenc Papp, Jozsef Fulop, Laszlo Bankuti
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Publication number: 20070132384Abstract: A dielectric barrier discharge lamp is disclosed, which comprises a discharge vessel having a principal axis. The discharge vessel encloses a discharge volume filled with a discharge gas. The discharge vessel further comprises end portions intersected by the principal axis. At least one electrode of a first type and at least one electrode of a second type are used in the lamp. The electrodes of one type are energized to act as a cathode and the electrodes of other type are energized to act as an anode. The electrodes are substantially straight, elongated electrodes with a longitudinal axis substantially parallel to the principal axis of the discharge vessel. At least one of the electrodes is positioned within the discharge volume, and the electrodes of at least one type are isolated from the discharge volume by a dielectric layer. At least one of the electrodes inside the discharge volume is provided with an outer luminescent layer.Type: ApplicationFiled: December 14, 2005Publication date: June 14, 2007Inventors: Zsolt Nemeth, Csenge Csoma, Lajos Reich, Laszlo Bankuti
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Patent number: 7196473Abstract: A dielectric barrier discharge (DBD) lamp is disclosed. The DBD lamp comprises a discharge vessel, which encloses a discharge volume filled with discharge gas. The discharge vessel further comprises a phosphor layer within the discharge volume. The discharge vessel comprises an outer tubular portion having an internal surface, and an inner tubular portion having an outward surface. The outer tubular portion surrounds the inner tubular portion. In this manner, a substantially annular discharge volume is enclosed between the outer tubular portion and the inner tubular portion. The inner tubular portion comprises a multitude of protrusions around its circumference. The protrusions extend into the substantially annular discharge volume. A first set of interconnected electrodes and a second set of interconnected electrodes are also provided.Type: GrantFiled: May 12, 2004Date of Patent: March 27, 2007Assignee: General Electric CompanyInventors: József Tökés, István Maros, Lajos Reich, László Bánkuti
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Publication number: 20070063656Abstract: This compact fluorescent lamp comprises a discharge tube arrangement with at least one discharge tube. The tube is formed of glass, encloses a discharge volume filled with a discharge gas and has a fluorescent phosphor coating disposed on the inner surface of the tube. The tube forms a continuous arc path and the tube is provided with electrodes disposed at each end of the arc path. The lamp also comprises a ballast circuit connected to the electrodes for controlling the current in the tube and a lamp base for connecting said lamp to a power supply through a socket. The lamp is enclosed in an outer envelope comprising a substantially spherical portion enclosing the tube arrangement and an elongated end portion enclosing the ballast circuit. The end portion of the outer envelope is closed and sealed by a sealing means of the same material as the material of the outer envelope. The sealing means is connected to the envelope in a hermetically sealing way.Type: ApplicationFiled: September 16, 2005Publication date: March 22, 2007Inventors: Istvan Wursching, Laszlo Bankuti, Ferenc Papp, Jozsef Fulop
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Publication number: 20060006804Abstract: A dielectric barrier discharge lamp comprises multiple tubular discharge vessels of a substantially equivalent size and having a principal axis. Each discharge vessel encloses a discharge volume filled with a discharge gas. The discharge vessels are arranged substantially parallel to their principal axis and adjacent to each other. The lamp also comprises a first set of interconnected electrodes and a second set of interconnected electrodes. The electrodes are isolated from the discharge volume by at least one dielectric layer. At least one of the dielectric layers is constituted by the wall of the discharge vessel, and the electrodes of at least one electrode set are located between the discharge vessels. In one embodiment, the discharge vessels are adjacent to each other in a lattice, and the first and second electrode sets are located between the discharge vessels in interstitial voids of the lattice.Type: ApplicationFiled: July 6, 2004Publication date: January 12, 2006Inventors: Lajos Reich, Istvan Maros, Laszlo Bankuti, Jozsef Tokes, Zoltan Nagy
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Publication number: 20050253522Abstract: A dielectric barrier discharge (DBD) lamp is disclosed. The DBD lamp comprises a discharge vessel, which encloses a discharge volume filled with discharge gas. The discharge vessel further comprises a phosphor layer within the discharge volume. The discharge vessel comprises an outer tubular portion having an internal surface, and an inner tubular portion having an outward surface. The outer tubular portion surrounds the inner tubular portion. In this manner, a substantially annular discharge volume is enclosed between the outer tubular portion and the inner tubular portion. The inner tubular portion comprises a multitude of protrusions around its circumference. The protrusions extend into the substantially annular discharge volume. A first set of interconnected electrodes and a second set of interconnected electrodes are also provided.Type: ApplicationFiled: May 12, 2004Publication date: November 17, 2005Inventors: Jozsef Tokes, Istvan Maros, Lajos Reich, Laszlo Bankuti
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Patent number: 6741018Abstract: The present invention relates to a low-pressure discharge lamp (1) including a discharge tube (20) and a base (5) providing for mechanical and electrical connection of the discharge lamp (1). The discharge tube (20) sealed in a gas-tight manner at its both ends is bent substantially in one plane so that the discharge tube (20) has straight (2) and arc-shaped portions (3), and the base (5) connected to the ends of the discharge tube (20) includes at least cathode leads of the discharge tube (20) and electrical connectors (15) connected to said leads. At least one component ensuring mechanical connection to a lampholder is formed on the base (5). The components of the discharge lamp (1) ensuring mechanical connection to the lampholder (16) are placed in a space bordered by the discharge tube (20). A lampholder (16) of the discharge lamp (1) includes components ensuring electrical and mechanical connection to the discharge lamp (1).Type: GrantFiled: October 9, 2001Date of Patent: May 25, 2004Assignee: General Electric CompanyInventors: László Bánkuti, József Fülöp, Sándor Lukács, Barnabás Nagy, Viktória Schmidt, Zoltán Vámos, István Würsching