Patents Assigned to Econocruise Limited
  • Electromagnetic actuators
    Patent number: 4999531
    Abstract: An electromagnetic actuator has a tubular stator with at least two opposed, external pole pieces carrying energizing windings, and a permanent magnet rotor inside the stator and rotatable about the major axis of the stator, the rotor having at least two oppositely-directed permanent magnets extending axially of the rotor and in closely spaced relation to the stator, said magnet each occupying less than 180.degree. of the circumference of the rotor, the leading and/or trailing edge of each magnet being tapered and/or chamfered.
    Type: Grant
    Filed: May 5, 1989
    Date of Patent: March 12, 1991
    Assignee: Econocruise Limited
    Inventors: Bhaskar Mavadia, Jeremy A. Scarlett