Electricity: motive power systems – Induction motor systems – With voltage source connected to motor secondary
Patent
1984-07-02
1987-01-06
Shoop, Jr., William M.
Electricity: motive power systems
Induction motor systems
With voltage source connected to motor secondary
318705, 318737, H02P 534
Patent
active
046349502
ABSTRACT:
An electric machine which is adapted to function as a motor or generator without any major electrical or mechanical modifications and conforms to conventional electric machine manufacturing practices. This machine has associated therewith, microprocessor controls. There is provided two balanced phase synchronous electrical machines whose moving windings are attached to a common carrier and whose stationary windings are attached to a common body. One of the two balanced phase electric machines is electrically and mechanically designed to be a balanced phase synchronous power motor or power generator at the utility frequency while the other balanced phase electric machine is electrically and mechanically designed for a higher frequency. The high frequency electric machine is driven by a modulated high frequency signal whose modulation frequency is equal to the utility frequency. The resulting signal transformed on to the moving windings of the high frequency electric machine, which now includes the velocity and displacement frequency component of the common carrier, drives the moving windings of the power motor or generator electric machine after it is demodulated of its high frequency component. As a result, the developed magnetic field on the moving windings of the power motor or generator electric machine will always be synchronized to the magnetic field developed on the stationary windings of the power motor or generator electric machine.
Inherent in the invention is a means to convert mechanical displacement and velocity into an electrical signal. A transducer or any combination of transducers which propagates energy using an electric field, a magnetic field, an electromagnetic field, or a light field implements the communication between the moving apparatus and stationary apparatus without electrical wires connected between them. As a result, by controlling the phase, amplitude, and frequency of the modulation signal with the microprocessor controls, numerous motor and generator functions can be achieved. The principles described herein also apply to electric linear machines appropriately resulting in designating the electric machine of this invention as the Advanced Programmable Electric Motion Machine or APEMM.
REFERENCES:
patent: 3017553 (1962-01-01), Homan
patent: 3621350 (1971-11-01), Masterman
patent: 4445081 (1984-04-01), Kalman
patent: 4459530 (1984-07-01), Klatl
patent: 4476424 (1984-10-01), Kalman
Keane Patrick C.
Shoop Jr. William M.
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