Patents by Inventor Håkan SANDSTRÖM

Håkan SANDSTRÖM 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).

  • Electric drive
    Patent number: 11760189
    Abstract: Electric drive (100, 200, 300, 400) for a vehicle, comprising: at least one hollow shaft (101, 201, 301, 401) mounted for rotation about an axis of rotation; at least one rotor unit (102, 202) being arranged rotationally fixed with the hollow shaft (101, 201, 301, 401); at least one coolant circuit being provided at least partially between the hollow shaft (101, 201, 301, 401) and the rotor unit (102, 202); the coolant circuit comprising at least one cooling section (105, 205) being provided adjacent to the rotor unit (102, 202); and wherein the cooling section (105, 205) has an increasing radius at least partially along its extension parallel to the axis of rotation.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: September 19, 2023
    Assignee: VOLVO CAR CORPORATION
    Inventors: Joakim Ehn, Håkan Sandström
  • ELECTRIC DRIVE
    Publication number: 20210347247
    Abstract: Electric drive (100, 200, 300, 400) for a vehicle, comprising: at least one hollow shaft (101, 201, 301, 401) mounted for rotation about an axis of rotation; at least one rotor unit (102, 202) being arranged rotationally fixed with the hollow shaft (101, 201, 301, 401); at least one coolant circuit being provided at least partially between the hollow shaft (101, 201, 301, 401) and the rotor unit (102, 202); the coolant circuit comprising at least one cooling section (105, 205) being provided adjacent to the rotor unit (102, 202); and wherein the cooling section (105, 205) has an increasing radius at least partially along its extension parallel to the axis of rotation.
    Type: Application
    Filed: May 4, 2021
    Publication date: November 11, 2021
    Inventors: Joakim EHN, Håkan SANDSTRÖM
  • Valve arrangement
    Patent number: 10233794
    Abstract: A valve arrangement for a cylinder of an internal combustion engine arrangement includes a check valve configured to be positioned at an intake side port of the cylinder for controlling gas flow into the cylinder, wherein the valve arrangement further includes an intake valve arrangement positioned upstream from the check valve, and an actuating arrangement configured to controllably position the intake valve arrangement for closing the intake side port.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: March 19, 2019
    Assignee: Volvo Truck Corporation
    Inventors: Arne Andersson, Bincheng Jiang, Staffan Lundgren, Håkan Sandström
  • A VALVE ARRANGEMENT
    Publication number: 20170241304
    Abstract: A valve arrangement for a cylinder of an internal combustion engine arrangement includes a check valve configured to be positioned at an intake side port of the cylinder for controlling gas flow into the cylinder, wherein the valve arrangement further includes an intake valve arrangement positioned upstream from the check valve, and an actuating arrangement configured to controllably position the intake valve arrangement for closing the intake side port.
    Type: Application
    Filed: May 28, 2014
    Publication date: August 24, 2017
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Arne ANDERSSON, Bincheng JIANG, Staffan LUNDGREN, Håkan SANDSTRÖM