Patents by Inventor Matthias Übler

Matthias Übler 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: 20220029491
    Abstract: Various embodiments include an electrical operating medium having an insulation system comprising a main insulation in the form of an encapsulation by an encapsulating compound. The encapsulating compound comprises the following components: a carbon-based resin component A; a silicon/oxygen-based resin component B; where the ratio of the components A:B is in the range between A=99:B=1 to A=60:B=40; 0.1% to 10% by weight of catalyst; 30% to 85% by weight of dielectric filler; and 0-60% by weight of a curing agent.
    Type: Application
    Filed: October 10, 2019
    Publication date: January 27, 2022
    Applicant: Siemens Aktiengesellschaft
    Inventors: Jürgen Huber, Steffen Lang, Niels Müller, Matthias Übler
  • Publication number: 20210376681
    Abstract: Various embodiments include an insulation material and/or impregnation resin for a wrapping tape insulation, comprising: a base resin curing to a thermoset; and a curing agent. The base resin comprises a siloxane-containing compound forming a —SiR2—O— backbone in the thermoset.
    Type: Application
    Filed: September 13, 2018
    Publication date: December 2, 2021
    Applicant: Siemens Aktiengesellschaft
    Inventors: Jürgen Huber, Steffen Lang, Michael Nagel, Matthias Übler, Niels Müller
  • Publication number: 20210313857
    Abstract: The invention provides a corona shielding tape for use to form wound insulation by means of VPI impregnation with a pthalic anhydride-free impregnating epoxy resin. The shielding tape may comprise (1) a carrier tape comprised of a polymeric matrix comprising at least one polyvinyl alcohol derivative compound and having an electrically conductive or semi-conductive filler embedded therein, and (1) an adduct of one or more 1H-imidazole derivatives and one or more acrylates, or (2) a complex compound comprising (a) a metal salt selected from the group consisting of zinc, copper, iron, aluminum, and mixtures thereof, and (b) imidazole and/or pyrazole ligands.
    Type: Application
    Filed: February 27, 2018
    Publication date: October 7, 2021
    Applicant: Siemens Aktiengesellschaft
    Inventors: Jürgen Huber, Steffen Lang, Dieter Schirm, Matthias Übler
  • Publication number: 20210102027
    Abstract: Various embodiments include a potting compound comprising: a sterically hindered epoxy resin; and a hardener including a basic compound having a pKB, measured in anhydrous acetonitrile, of 23 or higher.
    Type: Application
    Filed: November 28, 2017
    Publication date: April 8, 2021
    Applicant: Siemens Aktiengesellschaft
    Inventors: Jürgen Huber, Dieter Schirm, Matthias Übler
  • Publication number: 20210035705
    Abstract: 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: Application
    Filed: February 7, 2019
    Publication date: February 4, 2021
    Applicant: Siemens Aktiengesellschaft
    Inventors: Jürgen Huber, Steffen Lang, Niels Müller, Igor Ritberg, Matthias Übler
  • Publication number: 20200403475
    Abstract: 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: Application
    Filed: February 7, 2019
    Publication date: December 24, 2020
    Applicant: Siemens Aktiengesellschaft
    Inventors: Jürgen Huber, Steffen Lang, Niels Müller, Igor Ritberg, Matthias Übler
  • Patent number: 10778058
    Abstract: 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: Grant
    Filed: February 8, 2017
    Date of Patent: September 15, 2020
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Jürgen Huber, Dieter Schirm, Matthias Übler
  • Patent number: 10774244
    Abstract: 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: Grant
    Filed: May 19, 2016
    Date of Patent: September 15, 2020
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Jürgen Huber, Dieter Schirm, Matthias Übler
  • Publication number: 20200220409
    Abstract: 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: Application
    Filed: September 13, 2018
    Publication date: July 9, 2020
    Applicant: Siemens Aktiengesellschaft
    Inventors: Jürgen Huber, Steffen Lang, Niels Müller, Michael Nagel, Matthias Übler
  • Publication number: 20200066421
    Abstract: 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: Application
    Filed: January 25, 2018
    Publication date: February 27, 2020
    Applicant: Siemens Aktiengesellschaft
    Inventors: Mario Brockschmidt, Jürgen Huber, Regina Mühlberg, Irene Olbrich, Torsten Rossow, Matthias Übler, Dieter Schirm
  • Patent number: 10563007
    Abstract: 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: Grant
    Filed: October 19, 2015
    Date of Patent: February 18, 2020
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Juergen Huber, Bernhard Klaussner, Dieter Schirm, Matthias Uebler
  • Patent number: 10544338
    Abstract: 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: Grant
    Filed: March 15, 2016
    Date of Patent: January 28, 2020
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Juergen Huber, Irene Olbrich, Dieter Schirm, Matthias Uebler
  • Patent number: 10522265
    Abstract: 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: Grant
    Filed: May 20, 2016
    Date of Patent: December 31, 2019
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Jürgen Huber, Dieter Schirm, Matthias Übler
  • Patent number: 10505425
    Abstract: 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: Grant
    Filed: September 7, 2015
    Date of Patent: December 10, 2019
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Juergen Huber, Bernhard Klaussner, Dieter Schirm, Matthias Uebler
  • Patent number: 10424985
    Abstract: The invention relates to a method for producing a rotor and/or a stator of a dynamoelectric rotary machine by means of the following steps: —producing pre-formed coils from an integral electrically conductive material or pre-insulated or coated electrically conductive wires, —fixing spacers to the pre-formed coil at predefinable intervals, —inserting the pre-formed coil, which is provided with spacers, into slots in a laminated core of a stator or rotor, —making contact with the individual pre-formed coils to form groups of coils and forming a winding system of a rotor and/or stator in accordance with a predefined circuit plan, —insulating the pre-formed coils or the winding system in the slots by complete encapsulation, in particular by complete vacuum encapsulation.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: September 24, 2019
    Assignee: Siemens Aktiengesellschaft
    Inventors: André Grübel, Bernhard Klaussner, Dieter Schirm, Matthias Übler
  • Patent number: 10424419
    Abstract: 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: Grant
    Filed: March 9, 2016
    Date of Patent: September 24, 2019
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Jürgen Huber, Dieter Schirm, Matthias Übler
  • Publication number: 20190089217
    Abstract: 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: Application
    Filed: February 8, 2017
    Publication date: March 21, 2019
    Applicant: Siemens Aktiengesellschaft
    Inventors: Jürgen Huber, Dieter Schirm, Matthias Übler
  • Publication number: 20190039121
    Abstract: The invention relates to a binder system for production of a slip, e.g., for a green casting core compact. The invention also relates to a component that has been produced by means of such a slip. The invention may be employable for relatively inexpensive production of complex metal blades in all kinds of gas turbines and propulsion turbines. According to an embodiment, the invention provides a novel binder system that combines short gel times at room temperature without solvent while retaining a high glass transition of 55 to 60° C. with shortened hardening periods.
    Type: Application
    Filed: February 7, 2017
    Publication date: February 7, 2019
    Applicant: Siemens Aktiengesellschaft
    Inventors: Hermann Bödinger, Stefan Denneler, Matthias Übler
  • Publication number: 20180229292
    Abstract: The present disclosure relates slip techniques for lost casting cores. The teachings thereof may be embodied in methods for producing a slip for use in casting, e.g., for production of complex metal blades in gas turbines. Some embodiments may include methods for producing a slip comprising: mixing at least one inorganic constituent with at least one first binder; and forming a slip with the mixture. The first binder may include a mixture of at least one epoxy resin and at least one sterically hindered amine as hardener.
    Type: Application
    Filed: September 23, 2015
    Publication date: August 16, 2018
    Applicant: Siemens Aktiengesellschaft
    Inventors: Hermann Boedinger, Stefan Denneler, Carsten Schuh, Matthias Uebler
  • Publication number: 20180215960
    Abstract: 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: Application
    Filed: May 19, 2016
    Publication date: August 2, 2018
    Applicant: Siemens Aktiengesellschaft
    Inventors: Jürgen Huber, Dieter Schirm, Matthias Übler