Patents by Inventor John M. Everton

John M. Everton 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).

  • Electrical machines
    Patent number: 5670838
    Abstract: An electromechanical transducer, such as a motor (1), comprising a rotor member (4), a stator member (3) having an electrical winding (8), and isolating means (11, 9, 16, 12) isolating at least a part (18) of one of the members (3) from the other member (4), and cooling fluid in direct contact with said part (18) and isolated from the other member (4). The stator member (3) is preferably cooled by pumping liquid past it, whilst the rotor member (4) is isolated from the liquid. The rotor member (4) preferably operates in an evacuated chamber (48). A pump (5) is preferably provided to pump the cooling liquid around a cooling circuit (47, 6, 5, 47, 42).
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: September 23, 1997
    Assignee: Unique Mobility, Inc.
    Inventor: John M. Everton