Patents by Inventor Anna Wikström

Anna Wikström 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: 11662015
    Abstract: An arrangement for lubricating a gear in a toothed gearing comprising a shaft on which the gear is arranged is provided. An engaging ring with a central portion is arranged around said shaft and comprises a surface facing and spaced from an end surface of the gear creating a gap for guiding lubricant to the gear, and at least one first duct for lubricant, whereby said duct has at least one opening into the gap. The component comprises an annular portion with an inner peripheral surface mounted onto an outer peripheral surface of a shoulder on the gear; where axial discontinuities are provided between the shoulder and the annular portion of the component for guiding and distributing lubricant to the roots of the gear.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: May 30, 2023
    Assignee: VOLVO TRUCK CORPORATION
    Inventors: Henrik Hagerman, Anders Hedman, Anna Wikström
  • Publication number: 20230023243
    Abstract: An arrangement for lubricating a gear in a toothed gearing comprising a shaft on which the gear is arranged is provided. An engaging ring with a central portion is arranged around said shaft and comprises a surface facing and spaced from an end surface of the gear creating a gap for guiding lubricant to the gear, and at least one first duct for lubricant, whereby said duct has at least one opening into the gap. The component comprises an annular portion with an inner peripheral surface mounted onto an outer peripheral surface of a shoulder on the gear; where axial discontinuities are provided between the shoulder and the annular portion of the component for guiding and distributing lubricant to the roots of the gear.
    Type: Application
    Filed: July 7, 2022
    Publication date: January 26, 2023
    Inventors: Henrik Hagerman, Anders Hedman, Anna Wikström