Patents by Inventor GUNNAR JONESAND

GUNNAR JONESAND 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).

  • Hydraulic pump assembly
    Patent number: 10317916
    Abstract: A hydraulic pump assembly comprises a rotatable piston drum (20) with at least one centrifugal lever (23) pivotally attached thereto for radial movements between radial flanges (20?) under the action of centrifugal force at rotation of the piston drum. The centrifugal lever (23) is arranged to control the position of a valve member, preferably a ball (22), at the opening end of a bore (21) in the piston drum (20). There is a defined friction surface (28; 32) between the lever (23) and one of the radial flanges (20?), and there are spring means (29-31; 25, 33) for resiliently biasing the lever against said one of the flanges.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: June 11, 2019
    Assignee: BorgWarner Sweden AB
    Inventors: Gustaf Lagunoff, Axel Wallgren, Gunnar Jonesand, Bo Lundström
  • A HYDRAULIC PUMP ASSEMBLY
    Publication number: 20160048133
    Abstract: A hydraulic pump assembly comprises a rotatable piston drum (20) with at least one centrifugal lever (23) pivotally attached thereto for radial movements between radial flanges (20?) under the action of centrifugal force at rotation of the piston drum. The centrifugal lever (23) is arranged to control the position of a valve member, preferably a ball (22), at the opening end of a bore (21) in the piston drum (20). There is a defined friction surface (28; 32) between the lever (23) and one of the radial flanges (20?), and there are spring means (29-31; 25, 33) for resiliently biasing the lever against said one of the flanges.
    Type: Application
    Filed: February 11, 2014
    Publication date: February 18, 2016
    Applicant: BorgWarner TorqTransfer Systems AB
    Inventors: GUSTAF LAGUNOFF, AXEL WALLGREN, GUNNAR JONESAND, BO LUNDSTRÖM