ApplicationNo. 10444952 filed on 05/27/2003
US Classes:310/201, Bar windings310/179, Windings and core structure310/207, Wave310/216, Core features310/195, Armature or primary29/598, Rotor307/27, Different frequencies310/64, Heat-exchange structure310/162, Synchronous318/138, SPACE-DISCHARGE-DEVICE COMMUTATED MOTOR310/152, Permanent magnet machines320/123, With generator charging source388/803, Field control, or field and armature control, by analog (only) circuitry29/596, Dynamoelectric machine322/25, Voltage and current310/214, Coil retainers or slot closers335/208, Thermomagnetic104/282, Propulsion means employed to suspend car310/68C, Temperature, current-responsive, i.e., protectors310/178, Homopolar318/807, Frequency control310/113, Motor-generator sets264/429, Uniting magnetic particles utilizing organic binder (e.g., resinous binders, etc.)310/184, Plural field windings310/198, Plural windings310/156.08, Mounting (such as on a surface of a shaft)310/254, Stator structure318/254, SELF-COMMUTATED IMPULSE OR RELUCTANCE MOTORS322/94, Circuit-making and/or breaking310/268, Disc310/156.28, Sleeve covering magnet face310/181, Combined permanent and electromagnet192/84.961, With pulley or gear322/63, Plural excitation windings310/154.17, Wedging between310/67R, Inbuilt or incorporated unit290/52, TURBOGENERATORS310/114, Plural rotary elements310/259, Core assembly310/116, Limited movement322/51, Rotor element310/180, Field or excitation windings or structure310/46, Magnetic motors310/112, Plural units, structurally united60/788, Starter motor mechanically coupled to power plant310/89, Housings, windows or covers310/36, Oscillating310/52, Cooling or fluid contact310/261, Rotor structure360/98.07, Rotational drive detail361/31, Current310/191, Adjustable magnetic structure310/49R, Step-by-step318/34, PLURAL, DIVERSE OR DIVERSELY CONTROLLED ELECTRIC MOTORS290/31, Starting and generating dynamo318/496, Polyphase windings310/156.81, Magnet positioned between squirrel cage and stator388/811, By pulse width or duty cycle modification310/156.26, Mounted on a bell shape hub310/59, Plural units or plural paths310/196, Corona-prevention310/257, Interfitting or claw-tooth stators310/208, Coils322/32, Frequency responsive devices or networks310/156.56, Embedded318/439, MOTOR COMMUTATION CONTROL SYSTEMS310/61, Rotor passage318/700, SYNCHRONOUS MOTOR SYSTEMS310/190, Magnetic shunts for shifting field flux310/211, Squirrel cage310/68R, Electric circuit elements310/12Linear
ExaminersPrimary: Schuberg, Darren
Assistant: Cuevas, Pedro J.
Attorney, Agent or Firm
Foreign Patent References
AbstractThe invention includes an electric machine having a rotor, stator and at least one winding in the stator adapted to conduct a current, and a secondary winding, electrically isolated from the first winding and inductively coupled to the first winding, which may be used to control at least one of the output voltage and current of the first winding.