Patents Assigned to Hobourn-Eaton, Ltd.
  • Variable capacity type pump with damping force on cam ring
    Patent number: 4679995
    Abstract: A variable-capacity roller- or vane-type pump has a cam ring which is movable to vary the delivery of the pump and means is provided for applying to the movement of the cam ring a damping force which varies in dependence upon the instantaneous position of the cam ring.
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: July 14, 1987
    Assignee: Hobourn-Eaton, Ltd.
    Inventor: Ian T. Bristow