Patents by Inventor Lasse Lahtinen

Lasse Lahtinen 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).

  • Pod propulsion unit of a ship
    Patent number: 10336430
    Abstract: The invention relates to a pod propulsion unit of a ship. The pod propulsion unit comprises a pod housing arranged at least partly below a hull of the ship, an electric propeller motor within a motor gondola of the pod housing, an annular gap between a rotor and a stator of the electric propeller motor, and gas channels extending through the rotor, a closed cooling gas circuit, and a fan for circulating gas in the closed cooling gas circuit. The closed cooling gas circuit comprising a feeding duct extending between the return duct and the first motor end face of the electrical propeller motor, and a return duct extending between the feeding duct and the opposite second motor end face of the electrical propeller motor.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: July 2, 2019
    Assignee: ABB Schweiz AG
    Inventors: Antto Kosso, Lasse Lahtinen, Petri Säkkinen
  • POD PROPULSION UNIT OF A SHIP
    Publication number: 20170081007
    Abstract: The invention relates to a pod propulsion unit of a ship. The pod propulsion unit comprises a pod housing arranged at least partly below a hull of the ship, an electric propeller motor within a motor gondola of the pod housing, an annular gap between a rotor and a stator of the electric propeller motor, and gas channels extending through the rotor, a closed cooling gas circuit, and a fan for circulating gas in the closed cooling gas circuit. The closed cooling gas circuit comprising a feeding duct extending between the return duct and the first motor end face of the electrical propeller motor, and a return duct extending between the feeding duct and the opposite second motor end face of the electrical propeller motor.
    Type: Application
    Filed: November 29, 2016
    Publication date: March 23, 2017
    Inventors: Antto Kosso, Lasse Lahtinen, Petri Säkkinen
  • Propulsion unit for ships and boats
    Patent number: D791678
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: July 11, 2017
    Assignee: ABB Schweiz AG
    Inventors: Petri Säkkinen, Mikael Lindfors, Tomi Veikonheimo, Pasi Miettinen, Lasse Lahtinen
  • Propulsion units for ships and boats
    Patent number: D847077
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: April 30, 2019
    Assignee: ABB Schweiz AG
    Inventors: Petri Säkkinen, Mikael Lindfors, Pasi Miettinen, Lasse Lahtinen