Patents by Inventor Hanna Olsson

Hanna Olsson 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: 20250100121
    Abstract: A hand-held work tool comprising a first part and a second part arranged vibrationally isolated from each other, the first part comprising an interface for holding a circular cutting tool and an electric motor arranged to drive the circular cutting tool, wherein the electric motor is arranged to drive a fan configured to generate a flow of cooling air for cooling the electric motor, the second part comprising a battery compartment for holding an electrical storage device arranged to power the electric motor, wherein a cooling air conduit is arranged to guide a portion of the flow of cooling air from the first part and into the second part for cooling the electrical storage device.
    Type: Application
    Filed: December 9, 2024
    Publication date: March 27, 2025
    Inventors: Torbjorn ALMQVIST, Paul JOHANSSON, Hanna OLSSON, Robert LERBRO, Par CARLSSON
  • Patent number: 12194608
    Abstract: A hand-held work tool (100) comprising a first part (110) and a second part (120) arranged vibrationally isolated from each other, the first part (110) comprising an interface for holding a circular cutting tool (130) and an electric motor (140) arranged to drive the circular cutting tool, wherein the electric motor (140) is arranged to drive a fan (145) configured to generate a flow of cooling air for cooling the electric motor (140), the second part (120) comprising a battery compartment (150) for holding an electrical storage device arranged to power the electric motor (140), wherein a cooling air conduit is arranged to guide a portion of the flow of cooling air (160) from the first part (110) and into the second part (120) for cooling the electrical storage device.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: January 14, 2025
    Assignee: HUSQVARNA AB
    Inventors: Torbjörn Almqvist, Paul Johansson, Hanna Olsson, Robert Lerbro, Pär Carlsson
  • Publication number: 20220193879
    Abstract: A hand-held work tool (100) comprising a first part (110) and a second part (120) arranged vibrationally isolated from each other, the first part (110) comprising an interface for holding a circular cutting tool (130) and an electric motor (140) arranged to drive the circular cutting tool, wherein the electric motor (140) is arranged to drive a fan (145) configured to generate a flow of cooling air for cooling the electric motor (140), the second part (120) comprising a battery compartment (150) for holding an electrical storage device arranged to power the electric motor (140), wherein a cooling air conduit is arranged to guide a portion of the flow of cooling air (160) from the first part (110) and into the second part (120) for cooling the electrical storage device.
    Type: Application
    Filed: October 1, 2020
    Publication date: June 23, 2022
    Inventors: Torbjörn Almqvist, Paul Johansson, Hanna Olsson, Robert Lerbro, Pär Carlsson
  • Publication number: 20220152872
    Abstract: A hand-held electrically powered cut-off tool (100, 200, 800, 1000, 1900, 2500) comprising a first part (110) and a second part (120) arranged vibrationally isolated from each other, the first part (110) comprising an interface (2510) for holding a cutting tool (130) and an electric motor (140) arranged to drive the cutting tool, wherein the first part is associated with a first mass (M1), the second part (120) comprising a battery compartment (150) for holding an electrical storage device (220) arranged to power the electric motor (140) as well as front (190) and rear (195) handles for operating the cut-off tool, wherein the second part is associated with a second mass (M2), wherein the electrical storage device (220) is associated with a third mass (M3), and wherein the cutting tool is associated with a fourth mass (M4), wherein a ratio of the second mass (M2) to the sum of the first and second masses (M1+M2) is at least 0.3, and preferably more than 0.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 19, 2022
    Inventors: Torbjörn Almqvist, Paul Johansson, Hanna Olsson