Patents by Inventor Johannes Sebastian HOELZL

Johannes Sebastian HOELZL 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).

  • Patent number: 11952978
    Abstract: A wind turbine gearbox, in particular a planetary gearbox, has at least one gear mounted on an axle, for which purpose a sliding layer is arranged between the gear and the axle, the sliding layer being sprayed directly onto the axle or, with intermediate arrangement of at least one further layer, onto the further layer using a thermal spaying method.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: April 9, 2024
    Assignee: Miba Gleitlager Austria GmbH
    Inventors: Gunther Hager, Johannes Sebastian Hoelzl
  • Patent number: 11940006
    Abstract: A method changes a sliding bearing element of a rotor bearing of a wind turbine. The rotor bearing includes inner and outer ring elements, between which the sliding bearing element is arranged. The inner ring element and the outer ring element are rotatable relative to each other. A rotor hub is fastened to the inner ring element or to the outer ring element. The sliding bearing element includes multiple individual sliding bearing pads, each of which are releasably fastened to the inner ring element or outer ring element of the rotor bearing by at least one fastener. When changing the sliding bearing element, the individual sliding bearing pads are removed one after the other and replaced by new sliding bearing pads, wherein during the changing of the individual sliding bearing pads of the sliding bearing element, the inner ring element and the outer ring element are not disassembled.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: March 26, 2024
    Assignee: Miba Gleitlager Austria GmbH
    Inventors: Gunther Hager, Johannes Sebastian Hoelzl
  • Patent number: 11873858
    Abstract: A nacelle for a wind turbine includes a nacelle housing; a rotor hub; a rotor bearing for bearing the rotor hub on the nacelle housing, wherein the rotor bearing has at least one inner ring element and at least one outer ring element, wherein at least one sliding bearing element is formed between the inner ring element and the outer ring element. The sliding bearing element is inseparably connected to the inner ring element or the sliding bearing element is inseparably connected to the outer ring element.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: January 16, 2024
    Assignee: Miba Gleitlager Austria GmbH
    Inventor: Johannes Sebastian Hoelzl
  • Patent number: 11808247
    Abstract: A planetary gearbox for a wind turbine has a planetary gearbox housing, at least one sun gear, at least one internal gear, a planetary carrier with a first planet carrier cheek and a second planet carrier cheek, at least one planetary gear bolt, which is accommodated in the planetary carrier, at least one planetary gear, which is mounted on the planetary gear bolt, and at least one planetary gear radial sliding bearing which comprises a sliding surface. An oil distribution channel section is formed at least in the first planet carrier cheek. The first planet carrier cheek is mounted in the planetary gearbox housing by a radial sliding bearing. The radial sliding bearing is simultaneously formed as a flow connection element for flow connection of the oil distribution channel section of the first planet carrier cheek to a first lubricating oil supply bore arranged in the planetary gearbox housing.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: November 7, 2023
    Assignee: MIBA GLEITLAGER AUSTRIA GMBH
    Inventor: Johannes Sebastian Hoelzl
  • Publication number: 20230313833
    Abstract: A nacelle for a wind turbine includes a nacelle housing; a rotor hub; a rotor bearing for bearing the rotor hub on the nacelle housing, wherein the rotor bearing has at least one inner ring element and at least one outer ring element, wherein at least one sliding bearing element is formed between the inner ring element and the outer ring element. The sliding bearing element is inseparably connected to the inner ring element or the sliding bearing element is inseparably connected to the outer ring element.
    Type: Application
    Filed: May 7, 2021
    Publication date: October 5, 2023
    Applicant: Miba Gleitlager Austria GmbH
    Inventor: Johannes Sebastian HOELZL
  • Patent number: 11761429
    Abstract: A sliding bearing for a gearbox of a wind turbine, having a support body and a sliding layer which is applied on the support body, and on which a sliding surface is formed, wherein a lubricant distribution groove extending in an axial direction of the sliding surface is formed on the sliding surface. The support body is formed as a bush rolled from a support body strip, wherein a first longitudinal end and a second longitudinal end of the support body strip are connected to one another in a materially bonded manner, in particular by a welding connection, at a joint, wherein the joint is formed in the region of the lubricant distribution groove.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: September 19, 2023
    Assignee: Miba Gleitlager Austria GmbH
    Inventors: Gunther Hager, Johannes Sebastian Hoelzl, Sigmar Dominic Josef Janisch
  • Patent number: 11746757
    Abstract: A rotor bearing for bearing a rotor hub on a nacelle housing of a nacelle for a wind turbine has at least one inner ring element and at least one outer ring element, wherein at least one sliding bearing element is arranged between the inner ring element and the outer ring element, which sliding bearing element is fastened to the inner ring element or to the outer ring element. On the sliding bearing element, a sliding surface is formed, which cooperates with a counterface, which is coupled with that ring element, to which the sliding bearing element is not fastened. The counterface is designed to be resilient.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: September 5, 2023
    Assignee: Miba Gleitlager Austria GmbH
    Inventors: Gunther Hager, Johannes Sebastian Hoelzl, Johannes Reisenberger
  • Publication number: 20230228255
    Abstract: A wind turbine gearbox, in particular planetary gearbox, has at least one gear which is mounted on an axle, wherein a sliding surface is arranged between the gear and the axle. The sliding surface is arranged on at least one layer of a deposition welded material made from a sliding bearing material. Furthermore, a method produces the wind turbine gearbox.
    Type: Application
    Filed: March 23, 2023
    Publication date: July 20, 2023
    Applicant: Miba Gleitlager Austria GmbH
    Inventors: Johannes Sebastian HOELZL, Werner SCHROETTENHAMER
  • Publication number: 20230228253
    Abstract: A sliding bearing includes an inner ring element; an outer ring element; and at least one sliding bearing element, which is arranged between the inner ring element and the outer ring element, wherein the sliding bearing element includes at least two sliding bearing pads, wherein the individual sliding bearing pads each have a bearing surface, which has the basic shape of a spherical cap.
    Type: Application
    Filed: October 5, 2021
    Publication date: July 20, 2023
    Applicant: Miba Gleitlager Austria GmbH
    Inventors: Johannes Sebastian HOELZL, Albert WALDL, Patrick LAUBICHLER
  • Patent number: 11644012
    Abstract: A wind turbine gearbox, in particular planetary gearbox, has at least one gear which is mounted on an axle, wherein a sliding surface is arranged between the gear and the axle. The sliding surface is arranged on at least one layer of a deposition welded material made from a sliding bearing material. Furthermore, a method produces the wind turbine gearbox.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: May 9, 2023
    Assignee: Miba Gleitlager Austria GmbH
    Inventors: Johannes Sebastian Hoelzl, Werner Schroettenhamer
  • Patent number: 11644013
    Abstract: A nacelle for a wind turbine, the nacelle includes: a nacelle housing; a rotor hub; and a rotor bearing for bearing the rotor hub on the nacelle housing, wherein the rotor bearing has at least one inner ring element and at least one outer ring element, wherein a first sliding bearing element and a second sliding bearing element are arranged between the two ring elements. Moreover, a bearing clearance adjusting device is formed, by which a bearing clearance between the sliding bearing element and the cooperating ring element may be adjusted.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: May 9, 2023
    Assignee: Miba Gleitlager Austria GmbH
    Inventor: Johannes Sebastian Hoelzl
  • Publication number: 20220243706
    Abstract: A nacelle for a wind turbine, the nacelle includes: a nacelle housing; a rotor hub; and a rotor bearing for bearing the rotor hub on the nacelle housing, wherein the rotor bearing has at least one inner ring element and at least one outer ring element, wherein a first sliding bearing element and a second sliding bearing element are arranged between the two ring elements. Moreover, a bearing clearance adjusting device is formed, by which a bearing clearance between the sliding bearing element and the cooperating ring element may be adjusted.
    Type: Application
    Filed: May 19, 2020
    Publication date: August 4, 2022
    Applicant: Miba Gleitlager Austria GmbH
    Inventor: Johannes Sebastian HOELZL
  • Publication number: 20220221000
    Abstract: A method for producing a multi-layer sliding bearing includes: —providing a carrier body with a carrier body connecting surface, a surface structure being formed on the carrier body connecting surface, and the carrier body on the carrier body connecting surface having a carrier body material with a carrier body strength; —providing a bearing body with a bearing body connecting surface, the bearing body on the bearing body connecting surface having a bearing body material with a bearing body strength; —applying the bearing body to the carrier body, a carrier body connecting surface being turned towards a bearing body connecting surface; —pressing the bearing and carrier bodies together, wherein the bearing body, on the bearing body connecting surface, is plastically deformed and forms a positive locking connection with the carrier body connecting surface from the effect of the surface structure of the carrier body connecting surface.
    Type: Application
    Filed: May 28, 2020
    Publication date: July 14, 2022
    Applicant: Miba Gleitlager Austria GmbH
    Inventors: Johannes REISENBERGER, Johannes Sebastian HOELZL
  • Publication number: 20220010784
    Abstract: A nacelle for a wind turbine includes: a nacelle housing; a rotor hub; and a rotor bearing for bearing the rotor hub on the nacelle housing, wherein the rotor bearing has at least one inner ring element and at least one outer ring element, wherein at least one oil-lubricated sliding bearing element is formed between the inner ring element and the outer ring element. A sealing element is formed between the nacelle housing and the rotor hub and/or between the nacelle housing and a rotor shaft.
    Type: Application
    Filed: December 9, 2019
    Publication date: January 13, 2022
    Applicant: Miba Gleitlager Austria GmbH
    Inventor: Johannes Sebastian HOELZL
  • Publication number: 20220010782
    Abstract: A planetary gearbox for a wind turbine has a planetary gearbox housing, at least one sun gear, at least one internal gear, a planetary carrier with a first planet carrier cheek and a second planet carrier cheek, at least one planetary gear bolt, which is accommodated in the planetary carrier, at least one planetary gear, which is mounted on the planetary gear bolt, and at least one planetary gear radial sliding bearing which comprises a sliding surface. An oil distribution channel section is formed at least in the first planet carrier cheek. The first planet carrier cheek is mounted in the planetary gearbox housing by a radial sliding bearing. The radial sliding bearing is simultaneously formed as a flow connection element for flow connection of the oil distribution channel section of the first planet carrier cheek to a first lubricating oil supply bore arranged in the planetary gearbox housing.
    Type: Application
    Filed: December 6, 2019
    Publication date: January 13, 2022
    Applicant: Miba Gleitlager Austria GmbH
    Inventor: Johannes Sebastian HOELZL
  • Publication number: 20220003218
    Abstract: A sliding bearing for a gearbox of a wind turbine, having a support body and a sliding layer which is applied on the support body, and on which a sliding surface is formed, wherein a lubricant distribution groove extending in an axial direction of the sliding surface is formed on the sliding surface. The support body is formed as a bush rolled from a support body strip, wherein a first longitudinal end and a second longitudinal end of the support body strip are connected to one another in a materially bonded manner, in particular by a welding connection, at a joint, wherein the joint is formed in the region of the lubricant distribution groove.
    Type: Application
    Filed: December 6, 2019
    Publication date: January 6, 2022
    Applicant: Miba Gleitlager Austria GmbH
    Inventors: Gunther HAGER, Johannes Sebastian HOELZL, Sigmar Dominic Josef JANISCH
  • Publication number: 20210396271
    Abstract: A method changes a sliding bearing element of a rotor bearing of a wind turbine. The rotor bearing includes inner and outer ring elements, between which the sliding bearing element is arranged. The inner ring element and the outer ring element are rotatable relative to each other. A rotor hub is fastened to the inner ring element or to the outer ring element. The sliding bearing element includes multiple individual sliding bearing pads, each of which are releasably fastened to the inner ring element or outer ring element of the rotor bearing by at least one fastener. When changing the sliding bearing element, the individual sliding bearing pads are removed one after the other and replaced by new sliding bearing pads, wherein during the changing of the individual sliding bearing pads of the sliding bearing element, the inner ring element and the outer ring element are not disassembled.
    Type: Application
    Filed: December 9, 2019
    Publication date: December 23, 2021
    Applicant: Miba Gleitlager Austria GmbH
    Inventors: Gunther HAGER, Johannes Sebastian HOELZL
  • Publication number: 20210396216
    Abstract: A rotor bearing for bearing a rotor hub on a nacelle housing of a nacelle for a wind turbine has at least one inner ring element and at least one outer ring element, wherein at least one sliding bearing element is arranged between the inner ring element and the outer ring element, which sliding bearing element is fastened to the inner ring element or to the outer ring element. On the sliding bearing element, a sliding surface is formed, which cooperates with a counterface, which is coupled with that ring element, to which the sliding bearing element is not fastened. The counterface is designed to be resilient.
    Type: Application
    Filed: December 9, 2019
    Publication date: December 23, 2021
    Applicant: Miba Gleitlager Austria GmbH
    Inventors: Gunther HAGER, Johannes Sebastian HOELZL, Johannes REISENBERGER
  • Publication number: 20210388820
    Abstract: A nacelle for a wind turbine includes: a nacelle housing; a rotor hub; and a rotor bearing for bearing the rotor hub on the nacelle housing, wherein the rotor bearing has at least one inner ring element and at least one outer ring element, wherein at least one oil-lubricated sliding bearing element is formed between the inner ring element and the outer ring element. In the nacelle housing and/or in the rotor hub, a lubricating oil sump is formed in such a manner for receiving a lubricating oil for the sliding bearing element. The lubricating oil sump can be filled with lubricating oil up to a lubricating oil level, wherein at least a section of the rotor bearing is arranged in the lubricating oil sump vertically below the lubricating oil level.
    Type: Application
    Filed: December 9, 2019
    Publication date: December 16, 2021
    Applicant: Miba Gleitlager Austria GmbH
    Inventor: Johannes Sebastian HOELZL
  • Publication number: 20210363973
    Abstract: The invention relates to a method for determining the wear of a sliding bearing (19) arranged in a wind turbine gearbox (7), in particular a planetary gearbox, which sliding bearing (19) serves for mounting a gearbox component (23). A radial displacement of the position of the gearbox component (23) pivoted by means of the sliding bearing (19) is detected by means of a distance sensor (25) arranged in the wind turbine gearbox (7).
    Type: Application
    Filed: March 26, 2019
    Publication date: November 25, 2021
    Applicant: Miba Gleitlager Austria GmbH
    Inventor: Johannes Sebastian HOELZL