Patents by Inventor Jens Rocks
Jens Rocks 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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Patent number: 8227698Abstract: The subject of the invention is an insulating structure with screens shaping the electric field, applicable in high-voltage bushings, high-voltage cables, cable accessories and in measuring instruments, especially instrument transformers. The structure according to the invention comprising layers of electrically insulating material between which there are inserted conducting sheets which are screens shaping the electric field in high-voltage electric power equipment is characterized in that the conducting sheets are made of an insulating substrate layer with a porous structure, impregnatable and compressible along the direction parallel to the sheet plane, and at least one surface of the substrate layer has a strongly developed surface and is coated with a metal layer.Type: GrantFiled: December 19, 2007Date of Patent: July 24, 2012Assignee: ABB Research LtdInventors: Jan Czyzewski, Jens Rocks, Norbert Koch, Przemyslaw Burzynski
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Patent number: 8150230Abstract: A high-voltage bushing has a conductor and a core surrounding the conductor, wherein the core comprises a sheet-like spacer, which spacer is impregnated with an electrically insulating matrix material. The spacer is wound in spiral form around an axis, the axis being defined through the shape of the conductor. Thus, a multitude of neighboring layers is formed. The core further comprises equalization elements in appropriate radial distances to the axis. The equalization elements comprise electrically conductive layers, which layers have openings, through which openings the matrix material can penetrate, and in that the equalization elements are applied to the core separately from the spacer. The electrically conductive layers can be net-shaped, grid-shaped, meshed or perforated. The openings are fillable with the matrix material, e.g., a particle-filled resin can be used.Type: GrantFiled: June 13, 2008Date of Patent: April 3, 2012Assignee: ABB Research LtdInventors: Vincent Tilliette, Jens Rocks, Stefan Gisy, Roger Hedlund, Gerd Chalikia, Ruedi Meili
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Publication number: 20120071014Abstract: An exemplary plug-in high-voltage bushing connects an electrical conductor to a metal-encapsulated component, which is filled with insulating agent, of a high-voltage installation. The bushing is rotationally symmetrical with respect to an axis and has a centrally routed electrical conductor, a field control device and an insulator surrounds the electrical conductor. The bushing also includes a tapering section that dielectrically strengthens a joint after insertion of the bushing into a plug part, which forms a seal for the insulating agent. The joint is arranged between an insulating sleeve of the plug part and the tapering section of the insulator. The bushing has capacitor plates, which are electrically isolated from one another by an insulating film, are integrated into the insulator, and pass through the mounting flange into the tapering section of the insulator.Type: ApplicationFiled: September 21, 2011Publication date: March 22, 2012Applicant: ABB Technology AGInventors: Ansgar DAIS, Jens Rocks, Oliver Ilic
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Patent number: 8003891Abstract: An exemplary high-voltage outdoor bushing is disclosed which includes a conductor extended along an axis, a condenser core and an electrically insulating polymeric weather protection housing molded on the condenser core. The condenser core can contain an electrically insulating tape which is wound in spiral form around the conductor. Capacitance grading insertions can be arranged between successive windings of the tape. A cured polymeric insulating matrix embeds the wound tape and the capacitive grading insertions. A moisture diffusion barrier can be incorporated inside the condenser core prior to molding the weather protection housing.Type: GrantFiled: April 23, 2010Date of Patent: August 23, 2011Assignee: ABB Research LtdInventors: Jens Rocks, Vincent Tilliette, Walter Odermatt, Willi Gerig
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Patent number: 7981955Abstract: Electrical insulation system, which optionally contains a filler material and/or further additives, wherein said electrical insulation system comprises poly(dicyclopentadiene) as the main component, and method of making said electrical insulation system.Type: GrantFiled: May 2, 2008Date of Patent: July 19, 2011Assignee: ABB Research LtdInventors: Kurt Kaltenegger, Xavier Kornmann, Jens Rocks, Reto Weder
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Patent number: 7872091Abstract: An electrical insulation system and method are disclosed which are based on poly(butylene terephthalate), wherein the poly(butylene terephthalate) contains a polymerized cyclic low molecular weight oligomeric poly(butylene terephthalate) resin. At least one filler material or a mixture of filler materials can be included. At least one hydrophobic compound or a mixture of hydrophobic compounds can also be included.Type: GrantFiled: April 14, 2008Date of Patent: January 18, 2011Assignee: ABB Research LtdInventors: Kurt Kaltenegger, Xavier Kornmann, Jens Rocks, Reto Weder
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Patent number: 7812266Abstract: A bushing is disclosed with a duct for accommodating a conductor which is surrounded by an electrical field grading insulation. The bushing includes a core with a shell encapsulating the grading insulation and a flange surrounding the shell and carrying through holes distributed over its circumference for allowing the bushing to be attached to a wall. The shell and the flange can be in one piece and include an insulating matrix material. The through holes can be surrounded by metal inserts each forming an annular surface flush with a surface of the flange. A test tap can include a contact pin which is electrically conductively connected to an outermost layer of the grading insulation and surrounded by a contact ring connected to every second metal insert by connection wires for grounding the contact pin via the contact ring when the test tap is not in use and covered.Type: GrantFiled: June 18, 2009Date of Patent: October 12, 2010Assignee: ABB Research LtdInventors: Jens Rocks, Vincent Tilliette, Gerd Chalikia, Roger Hedlund, Michael Gabriel
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Publication number: 20100206604Abstract: An exemplary high-voltage outdoor bushing is disclosed which includes a conductor extended along an axis, a condenser core and an electrically insulating polymeric weather protection housing molded on the condenser core. The condenser core can contain an electrically insulating tape which is wound in spiral form around the conductor. Capacitance grading insertions can be arranged between successive windings of the tape. A cured polymeric insulating matrix embeds the wound tape and the capacitive grading insertions. A moisture diffusion barrier can be incorporated inside the condenser core prior to molding the weather protection housing.Type: ApplicationFiled: April 23, 2010Publication date: August 19, 2010Applicant: ABB Research Ltd.Inventors: Jens ROCKS, Vincent Tilliette, Walter Odermatt, Willi Gerig
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Patent number: 7742676Abstract: An exemplary high-voltage bushing has a conductor and a core surrounding the conductor, wherein the core includes a sheet-like spacer, which spacer is impregnated with an electrically insulating matrix material. The spacer can have a multitude of holes that are fillable with the matrix material. The spacer can be net-shaped or meshed. It can be a net of fibers. The bushing can be a fine-graded bushing with equalizing plates within the core. As a matrix material, a particle-filled resin can be used.Type: GrantFiled: January 26, 2007Date of Patent: June 22, 2010Assignee: ABB Research LtdInventors: Vincent Tilliette, Jens Rocks, Gerd Chalikia, Roger Hedlund
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Publication number: 20100018750Abstract: A curable epoxy resin composition is provided. The composition includes at least one diglycidyl ether of bisphenol A (DGEBA) and at least one diglycidyl ether of bisphenol F (DGEBF) as epoxy resins, in which the weight ratio of DGEBA:DGEBF is within the range of about 15:85 to 45:55; (ii) an anhydride hardener; (iii) and at least one plasticizer. The composition can additionally include a catalyst, at least one filler material and/or further additives. The dynamic complex viscosity value (?*) of the composition is within the range of 0.1 to 20 Pa·s. The present disclosure also provides a process for making the composition and electrical articles including an electrical insulation system made from the composition.Type: ApplicationFiled: October 2, 2009Publication date: January 28, 2010Applicant: ABB Research LtdInventors: Stephane SCHAAL, Patricia Gonzalez, Cherif Ghoul, Jens Rocks, Francisco Arauzo, Patrick Meier
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Publication number: 20100018751Abstract: The subject of the invention is an insulating structure with screens shaping the electric field, applicable in high-voltage bushings, high-voltage cables, cable accessories and in measuring instruments, especially instrument transformers. The structure according to the invention comprising layers of electrically insulating material between which there are inserted conducting sheets which are screens shaping the electric field in high-voltage electric power equipment is characterized in that the conducting sheets are made of an insulating substrate layer with a porous structure, impregnatable and compressible along the direction parallel to the sheet plane, and at least one surface of the substrate layer has a strongly developed surface and is coated with a metal layer.Type: ApplicationFiled: December 19, 2007Publication date: January 28, 2010Inventors: Jan Czyzewski, Jens Rocks, Norbert Koch, Przemyslaw Burzynski
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Publication number: 20090288878Abstract: A bushing is disclosed with a duct for accommodating a conductor which is surrounded by an electrical field grading insulation. The bushing includes a core with a shell encapsulating the grading insulation and a flange surrounding the shell and carrying through holes distributed over its circumference for allowing the bushing to be attached to a wall. The shell and the flange can be in one piece and include an insulating matrix material. The through holes can be surrounded by metal inserts each forming an annular surface flush with a surface of the flange. A test tap can include a contact pin which is electrically conductively connected to an outermost layer of the grading insulation and surrounded by a contact ring connected to every second metal insert by connection wires for grounding the contact pin via the contact ring when the test tap is not in use and covered.Type: ApplicationFiled: June 18, 2009Publication date: November 26, 2009Applicant: ABB Research Ltd.Inventors: Jens ROCKS, Vincent Tilliette, Gerd Chalikia, Roger Hedlund, Michael Gabriel
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Publication number: 20090014211Abstract: A high-voltage bushing has a conductor and a core surrounding the conductor, wherein the core comprises a sheet-like spacer, which spacer is impregnated with an electrically insulating matrix material. The spacer is wound in spiral form around an axis, the axis being defined through the shape of the conductor. Thus, a multitude of neighbouring layers is formed. The core further comprises equalization elements in appropriate radial distances to the axis. The equalization elements comprise electrically conductive layers, which layers have openings, through which openings the matrix material can penetrate, and in that the equalization elements are applied to the core separately from the spacer. The electrically conductive layers can be net-shaped, grid-shaped, meshed or perforated. The openings are fillable with the matrix material, e.g., a particle-filled resin can be used.Type: ApplicationFiled: June 13, 2008Publication date: January 15, 2009Applicant: ABB RESEARCH LTDInventors: Vincent TILLIETTE, Jens Rocks, Stefan Gisy, Roger Hedlund, Gerd Chalikia, Ruedi Meili
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Publication number: 20080233299Abstract: Electrical insulation system, which optionally contains a filler material and/or further additives, wherein said electrical insulation system comprises poly(dicyclopentadiene) as the main component, and method of making said electrical insulation system.Type: ApplicationFiled: May 2, 2008Publication date: September 25, 2008Applicant: ABB RESEARCH LTDInventors: Kurt KALTENEGGER, Xavier Kornmann, Jens Rocks, Reto Weder
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Publication number: 20080223517Abstract: Mold-free resin-insulated coil windings are obtained by applying continuous fibers embedded in a quasi-solid-state epoxy-resin matrix, e.g. in the form of a tape, to the coil windings. The tape is locally heated up to the melting point of its polymer matrix, and is subsequently pressed against the winding body. The heated and fused resin of the tape, which is pressed onto the coil, flows under pressure into the voids and gaps between the coil windings and fills them up, thereby hermetically insulating the coil windings. After leaving the heating and pressing apparatus the fused epoxy resin becomes solid again. The resulting curing process is thus considerably simplified and shortened, compared to the state of the art.Type: ApplicationFiled: March 19, 2008Publication date: September 18, 2008Applicant: ABB RESEARCH LTDInventors: Uwe KALTENBORN, Guido Meier, Stephane Schaal, Jens Rocks
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Publication number: 20080202793Abstract: An electrical insulation system and method are disclosed which are based on poly(butylene terephthalate), wherein the poly(butylene terephthalate) contains a polymerized cyclic low molecular weight oligomeric poly(butylene terephthalate) resin. At least one filler material or a mixture of filler materials can be included. At least one hydrophobic compound or a mixture of hydrophobic compounds can also be included.Type: ApplicationFiled: April 14, 2008Publication date: August 28, 2008Applicant: ABB RESEARCH LTDInventors: Kurt Kaltenegger, Xavier Kornmann, Jens Rocks, Reto Weder
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Publication number: 20080179077Abstract: The bushing has a conductor and a core surrounding the conductor. The core comprises a sheet-like spacer, wherein the spacer contains filler particles. The bushing can be a resin-impregnated graded bushing impregnated with an electrically insulating matrix material. The spacer may comprise paper, in particular creped paper. The filler particles can be electrically insulating or semiconductive particles. An increased thermal conductivity of the core can be achieved.Type: ApplicationFiled: December 6, 2007Publication date: July 31, 2008Applicant: ABB Research LtdInventors: Andrej Krivda, Vincent Tilliette, Jens Rocks, Henrik Hillborg, Olof Hjortstam, Leopold Ritzer, Patrick Meier
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Patent number: 7268181Abstract: Bulk-modified potting composition based on a curable epoxy resin or on a mixture of these resins, where the resin or the mixture is composed of an epoxy resin, a hardener, where appropriate an accelerator, and also other additives, such as fillers, flexibilizers, and colorants, which potting composition (a) comprises a three-dimensionally crosslinked polysiloxane in disperse form and with a particle size in the range from 0.02 ?m to 50 ?m, which, where appropriate, has reactive groups which can react chemically with the epoxy resin and/or the hardener, (b) a selected linear or branched siloxane compound which has reactive groups which can react chemically with the epoxy resin and/or the hardener, and also, where appropriate, (c) a low-molecular-weight oligomeric siloxane compound, the use of the potting composition as an engineering material or as an insulating material, and the moldings and insulation produced therefrom.Type: GrantFiled: July 2, 2001Date of Patent: September 11, 2007Assignee: ABB Research LtdInventors: Thomas Hucke, Jens Rocks, Uwe Kaltenborn
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Publication number: 20070190332Abstract: A dry-type transformer is disclosed wherein the transformer coils are encapsulated with a cured mineral filler containing cyanate ester resin composition which optionally is a cured mineral filler containing epoxy modified cyanate ester resin composition. A method of making the insulating composition, and the non-cured composition, are also disclosed.Type: ApplicationFiled: March 9, 2007Publication date: August 16, 2007Applicant: ABB RESEARCH LTDInventors: Stephane Schaal, Cherif Ghoul, Jens Rocks, Charles Johnson
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Publication number: 20070158106Abstract: An exemplary high-voltage bushing has a conductor and a core surrounding the conductor, wherein the core includes a sheet-like spacer, which spacer is impregnated with an electrically insulating matrix material. The spacer can have a multitude of holes that are fillable with the matrix material. The spacer can be net-shaped or meshed. It can be a net of fibers. The bushing can be a fine-graded bushing with equalizing plates within the core. As a matrix material, a particle-filled resin can be used.Type: ApplicationFiled: January 26, 2007Publication date: July 12, 2007Applicant: ABB Research Ltd.Inventors: Vincent Tilliette, Jens Rocks, Gerd Chalikia, Roger Hedlund