Patents by Inventor Anja Fiebing

Anja Fiebing 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 axial piston unit with central fixed hold down device
    Patent number: 10662773
    Abstract: Hydraulic axial piston unit (1) of the swashplate construction type having a drive shaft (2) adapted to drive or be driven by a cylinder block (4). The cylinder block comprises a plurality of cylinder bores (6), in which several pistons (8) are moveable in general along the rotational axis (10) of the drive shaft (2) and relative to the cylinder bores (6). First ends of the pistons (8) protrude outside of the cylinder bores (6) and are slidable fixed by means of slippers (14) to a swashplate (16). The slippers (14) are hold down in a sliding manner on a sliding surface (18) of the swashplate (16) by means of a slipper hold down ring (20) arranged parallel to the sliding surface (18).
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: May 26, 2020
    Assignee: Danfoss Power Solutions G.M.B.H. & Co. OHG
    Inventors: Anja Fiebing, Niels Christophersen, Carsten Fiebing
  • HYDRAULIC AXIAL PISTON UNIT WITH CENTRAL FIXED HOLD DOWN DEVICE
    Publication number: 20180142553
    Abstract: Hydraulic axial piston unit (1) of the swashplate construction type having a drive shaft (2) adapted to drive or be driven by a cylinder block (4). The cylinder block comprises a plurality of cylinder bores (6), in which several pistons (8) are moveable in general along the rotational axis (10) of the drive shaft (2) and relative to the cylinder bores (6). First ends of the pistons (8) protrude outside of the cylinder bores (6) and are slidable fixed by means of slippers (14) to a swashplate (16). The slippers (14) are hold down in a sliding manner on a sliding surface (18) of the swashplate (16) by means of a slipper hold down ring (20) arranged parallel to the sliding surface (18).
    Type: Application
    Filed: November 17, 2017
    Publication date: May 24, 2018
    Inventors: Anja Fiebing, Niels Christophersen, Carsten Fiebing