Patents by Inventor Juergen Huber
Juergen Huber 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).
-
Publication number: 20210035705Abstract: Various embodiments include a sprayable formulation for an insulation system of an electrical machine, the formulation comprising a sprayable resin mixture including: a monomeric and/or oligomeric, at least diepoxidic carbon-based first resin component; and a monomeric and/or oligomeric second resin component based on alkyl-/arylpolysiloxane with at least one glycidyl ester and/or glycidyl ether functionalities; and a curing agent and based on at least one of: anhydride, (poly)amine, and amino- and/or alkoxy-functional alkyl-/arylpolysiloxane.Type: ApplicationFiled: February 7, 2019Publication date: February 4, 2021Applicant: Siemens AktiengesellschaftInventors: Jürgen Huber, Steffen Lang, Niels Müller, Igor Ritberg, Matthias Übler
-
Publication number: 20200403475Abstract: Various embodiments include a sprayable formulation for production of a multilayer insulation for an electrical machine, especially a rotating electrical machine in the high-voltage or mid-voltage sector, for example a generator, transformer, which is subjected to higher rated voltages at operating voltages, i.e., for example, over and above 1 kV or more. The invention also relates to an electrical machine comprising such an insulation; the invention finally relates to a method of producing the multilayer insulation. This comprises spraying of various formulations with or without intermediate, especially metallic, interfaces and is automatable.Type: ApplicationFiled: February 7, 2019Publication date: December 24, 2020Applicant: Siemens AktiengesellschaftInventors: Jürgen Huber, Steffen Lang, Niels Müller, Igor Ritberg, Matthias Übler
-
Patent number: 10774244Abstract: The present disclosure relates to insulation. Teachings thereof may be embodied in a solid insulation material, especially in tape form, the use thereof in a vacuum impregnation process and to an insulation system produced therewith, and also an electrical machine comprising the insulation system, especially for the medium- and high-voltage sector, namely for medium- and high-voltage machines, especially rotating electrical machines in the medium- and high-voltage sector, and to semifinished products for electrical switchgear. For example a solid insulation material with an anhydride-free impregnating agent may include: a carrier; a barrier material; a curing catalyst; and a tape adhesive. The curing catalyst and the tape adhesive are inert toward one another but react under the conditions of a vacuum impregnation process if combined with an anhydride-free impregnating agent having gelation times of 1 h to 15 h at impregnation temperature.Type: GrantFiled: May 19, 2016Date of Patent: September 15, 2020Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Jürgen Huber, Dieter Schirm, Matthias Übler
-
Patent number: 10778058Abstract: Various embodiments may include a solid insulation material, e.g. in tape form, the use thereof in a vacuum impregnation process, and/or an insulation system produced therewith and also an electrical machine having the insulation system, for the medium- and high-voltage sector. Some examples include rotating electrical machines in the medium- and high-voltage sector and also semifinished products for electrical switchgear. The solid insulation material and the insulation system produced therewith are characterized in that it can be produced in an anhydride-free manner, wherein the curing catalyst is, for example, an adduct of a 1H-imidazole and/or 1H-imidazole derivative with a compound containing oxirane groups.Type: GrantFiled: February 8, 2017Date of Patent: September 15, 2020Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Jürgen Huber, Dieter Schirm, Matthias Übler
-
Publication number: 20200220409Abstract: Various embodiments include an insulation material and/or impregnation resin for a wrapping tape insulation, comprising: a basis resin; a hardener; and a nanoparticle filler fraction. The basis resin comprises a polymer with at least a partial —SiR2-O— backbone, so a partial electric discharges results in an at least partial sintering of the nanoparticles to form a barrier layer.Type: ApplicationFiled: September 13, 2018Publication date: July 9, 2020Applicant: Siemens AktiengesellschaftInventors: Jürgen Huber, Steffen Lang, Niels Müller, Michael Nagel, Matthias Übler
-
Publication number: 20200066421Abstract: A wrapping tape insulation system is provided which includes an insulating tape preferably produced by vacuum pressure impregnation. The provided tape comprises a tape adhesive, a tape accelerator and a resin wherein the tape accelerator may comprise an imidazole covalently bonded via the amino function to an acrylate by aza-Michael addition.Type: ApplicationFiled: January 25, 2018Publication date: February 27, 2020Applicant: Siemens AktiengesellschaftInventors: Mario Brockschmidt, Jürgen Huber, Regina Mühlberg, Irene Olbrich, Torsten Rossow, Matthias Übler, Dieter Schirm
-
Patent number: 10563007Abstract: An impregnating resin, e.g., a catalytically hardenable impregnating resin for the conductor of an electrical machine, may include at least one reactive resin mixed with at least one reactive diluent and a hardening catalyst, e.g., for cationic, anionic or coordinate polymerization of the impregnating resin. The properties of the impregnating resin or use thereof may be improved by virtue of the reactive diluent containing a heterocyclic four-membered ring. The impregnating resin may be part of a main insulation of a conductor arrangement, which may in turn be installed in an electrical coil or other electrical machine.Type: GrantFiled: October 19, 2015Date of Patent: February 18, 2020Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Juergen Huber, Bernhard Klaussner, Dieter Schirm, Matthias Uebler
-
Patent number: 10544338Abstract: Tape adhesives suitable for impregnating processes for insulation systems are described. Embodiments of the tape adhesives include solid insulation material such as mica, anhydride-free impregnating resins and accelerators for the anhydride-free impregnating resins. The tape adhesives may be adjusted with respect to the reactivity of the accelerators for the anhydride-free impregnating resins in relation for the storage stability of the overall insulation systems.Type: GrantFiled: March 15, 2016Date of Patent: January 28, 2020Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Juergen Huber, Irene Olbrich, Dieter Schirm, Matthias Uebler
-
Patent number: 10522265Abstract: The invention relates to a solid, in particular strip-shaped insulation material, to the use thereof in a vacuum impregnation method and a thus produced insulation system and to an electric machine using the insulation system, in particular for the medium and high voltage range, that is for medium and high voltage machines, in particular rotating electric machines in the medium and high voltage range and to semi-finished products for electric switching systems. According to the invention, the curing catalyst is a covalently-bridged di-imidazol derivative and/or a covalently-bridged di-pyrazol derivative.Type: GrantFiled: May 20, 2016Date of Patent: December 31, 2019Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Jürgen Huber, Dieter Schirm, Matthias Übler
-
Patent number: 10505425Abstract: The present disclosure relates to electrical machines. The teachings thereof may be embodied in insulation systems for electrical machines, more particularly in the high-voltage range, for example, in an insulation system for electrical machines including: an insulator comprising a porous insulating material; an impregnator comprising a catalytically or thermally curable resin material having oxirane functionalities, or a mixture of different reactive resin materials having oxirane functionalities; and at least one thermally activatable or encapsulated hardener material.Type: GrantFiled: September 7, 2015Date of Patent: December 10, 2019Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Juergen Huber, Bernhard Klaussner, Dieter Schirm, Matthias Uebler
-
Patent number: 10424419Abstract: The present disclosure relates to insulation systems. The teachings thereof may be embodied in an insulation system for an electrical machine. For example, an insulation system may comprise: solid insulation materials; an impregnating resin having oxirane functionalities; a depot accelerator distributed throughout the solid insulation materials; and a catalyst for initiating hardening of the impregnating resin, wherein the catalyst is at least partly in gaseous form under hardening conditions.Type: GrantFiled: March 9, 2016Date of Patent: September 24, 2019Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Jürgen Huber, Dieter Schirm, Matthias Übler
-
Publication number: 20190089217Abstract: Various embodiments may include a solid insulation material, e.g. in tape form, the use thereof in a vacuum impregnation process, and/or an insulation system produced therewith and also an electrical machine having the insulation system, for the medium- and high-voltage sector. Some examples include rotating electrical machines in the medium- and high-voltage sector and also semifinished products for electrical switchgear. The solid insulation material and the insulation system produced therewith are characterized in that it can be produced in an anhydride-free manner, wherein the curing catalyst is, for example, an adduct of a 1H-imidazole and/or 1H-imidazole derivative with a compound containing oxirane groups.Type: ApplicationFiled: February 8, 2017Publication date: March 21, 2019Applicant: Siemens AktiengesellschaftInventors: Jürgen Huber, Dieter Schirm, Matthias Übler
-
Patent number: 10050488Abstract: The invention relates to a slot sealing material (7) for an electric machine, which for accommodating an electric conductor arrangement (3) comprises at least one slot (2) having a slot opening (5). Said slot sealing material contains a magnetic filler, especially a soft-magnetic filler, and a reaction resin mixture comprising at least one resin component and a curing agent component. To improve the temperature resistance and mechanical strength of the slot sealing material, a dianhydride is used as curing agent component.Type: GrantFiled: September 15, 2014Date of Patent: August 14, 2018Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Juergen Huber, Bernhard Klaussner, Dieter Schirm
-
Publication number: 20180215960Abstract: The present disclosure relates to insulation. Teachings thereof may be embodied in a solid insulation material, especially in tape form, the use thereof in a vacuum impregnation process and to an insulation system produced therewith, and also an electrical machine comprising the insulation system, especially for the medium- and high-voltage sector, namely for medium- and high-voltage machines, especially rotating electrical machines in the medium- and high-voltage sector, and to semifinished products for electrical switchgear. For example a solid insulation material with an anhydride-free impregnating agent may include: a carrier; a barrier material; a curing catalyst; and a tape adhesive. The curing catalyst and the tape adhesive are inert toward one another but react under the conditions of a vacuum impregnation process if combined with an anhydride-free impregnating agent having gelation times of 1 h to 15 h at impregnation temperature.Type: ApplicationFiled: May 19, 2016Publication date: August 2, 2018Applicant: Siemens AktiengesellschaftInventors: Jürgen Huber, Dieter Schirm, Matthias Übler
-
Publication number: 20180204650Abstract: The invention relates to a solid, in particular strip-shaped insulation material, to the use thereof in a vacuum impregnation method and a thus produced insulation system and to an electric machine using the insulation system, in particular for the medium and high voltage range, that is for medium and high voltage machines, in particular rotating electric machines in the medium and high voltage range and to semi-finished products for electric switching systems. According to the invention, the curing catalyst is a covalently-bridged di-imidazol derivative and/or a covalently-bridged di-pyrazol derivative.Type: ApplicationFiled: May 20, 2016Publication date: July 19, 2018Applicant: Siemens AktiengesellschaftInventors: Jürgen Huber, Dieter Schirm, Matthias Übler
-
Publication number: 20180204649Abstract: The present disclosure relates to insulation. Various embodiments thereof may include a solid insulation material and/or a formulation for production of an insulation system. For example, a formulation for an impregnating agent may include: an impregnating resin comprising a cycloaliphatic epoxy resin having a viscosity of less than 1500 mPas at impregnation temperature; and a curing catalyst deposited in the solid insulation material. The curing catalyst may be reactive toward the cycloaliphatic epoxy groups of the cycloaliphatic epoxy resin in the formulation of the impregnating agent but be sufficiently reactively inert with respect to the functional groups of the tape adhesive likewise present in the solid insulation material to confer storage stability to the solid insulation material.Type: ApplicationFiled: May 19, 2016Publication date: July 19, 2018Applicant: Siemens AktiengesellschaftInventors: Jürgen Huber, Dieter Schirm, Matthias Übler
-
Publication number: 20180094177Abstract: Tape adhesives suitable for impregnating processes for insulation systems are described. Embodiments of the tape adhesives include solid insulation material such as mica, anhydride-free impregnating resins and accelerators for the anhydride-free impregnating resins. The tape adhesives may be adjusted with respect to the reactivity of the accelerators for the anhydride-free impregnating resins in relation for the storage stability of the overall insulation systems.Type: ApplicationFiled: March 15, 2016Publication date: April 5, 2018Applicant: Siemens AktiengesellschaftInventors: Juergen Huber, Irene Olbrich, Dieter Schirm, Matthias Uebler
-
Publication number: 20180053581Abstract: The present disclosure relates to insulation systems. The teachings thereof may be embodied in an insulation system for an electrical machine. For example, an insulation system may comprise: solid insulation materials; an impregnating resin having oxirane functionalities; a depot accelerator distributed throughout the solid insulation materials; and a catalyst for initiating hardening of the impregnating resin, wherein the catalyst is at least partly in gaseous form under hardening conditions.Type: ApplicationFiled: March 9, 2016Publication date: February 22, 2018Applicant: Siemens AktiengesellschaftInventors: Juergen Huber, Dieter Schirm, Matthias Uebler
-
Publication number: 20180022897Abstract: An insulating tape having a tape adhesive comprising at least one tape accelerator. The tape accelerator may be comprised of an imidazole, an imidazole derivative, a pyrazole, a pyrazole derivative, and combinations thereof. The tape is particularly useful for insulation for stator coils of electrical machines.Type: ApplicationFiled: January 19, 2016Publication date: January 25, 2018Applicant: Siemens AktiengesellschaftInventors: Juergen HUBER, Dieter SCHIRM, Matthias UEBLER
-
Publication number: 20170310184Abstract: The present disclosure relates to electrical machines. The teachings thereof may be embodied in insulation systems for electrical machines, more particularly in the high-voltage range, for example, in an insulation system for electrical machines including: an insulator comprising a porous insulating material; an impregnator comprising a catalytically or thermally curable resin material having oxirane functionalities, or a mixture of different reactive resin materials having oxirane functionalities; and at least one thermally activatable or encapsulated hardener material.Type: ApplicationFiled: September 7, 2015Publication date: October 26, 2017Applicant: Siemens AktiengesellschaftInventors: Juergen Huber, Bernhard Klaussner, Dieter Schirm, Matthias Uebler