Electricity: power supply or regulation systems – Including a transformer or an inductor – With compensation
Reexamination Certificate
2000-02-02
2001-01-30
Sterrett, Jeffrey (Department: 2838)
Electricity: power supply or regulation systems
Including a transformer or an inductor
With compensation
Reexamination Certificate
active
06181124
ABSTRACT:
CROSS REFERENCE TO RELATED APPLICATIONS
This eddy current reducing system utilizes well known parts and principals. The application of these parts to reduce eddy currents is, to the best of my knowledge, completely new.
FEDERAL SPONSORED R&D
No federal R&D funds were received.
REFERENCE TO MICROFICHE APPENDIX
Microfiche appendix is not required.
BACKGROUND OF THE INVENTION
This invention relates to the reduction of eddy currents by removing or adding electric charges to the ferromagnetic core of an electromagnetic induction device. The eddy currents are reduced by reducing free electric charges, in the core, that are acted upon by a varying magnetic field. Eddy currents are reduced, to a lesser extent, by adding electric charges thereby dispersing the magnetic field energy over a greater number of electric charges reducing the magnitude of each electric charge movement.
SUMMARY OF THE INVENTION
It is the object of my invention to provide a system that will reduce electromagnetic core energy loss resulting from eddy currents by reducing or by increasing the quantity of free electric charges within the core.
It is another object of my invention to eliminate the need to manufacture ferromagnetic cores from thin sheet stock thereby reducing the labor needed to produce said cores.
The aforementioned and other objects of this invention are achieved by the utilization of a rectifier or other direct current source to produce an electrical potential in the ferromagnetic core. This is accomplished by modifying the ferromagnetic core if necessary to assure that all parts of the core are electrically connected and by connecting a rectifier to the core and also to a suitable alternating current source. The core can also be connected directly to a suitable direct current power source. These connections will produce an electric potential in the core when said system is functioning. The magnitude of the electric potential will be determined by the voltage of the power source.
REFERENCES:
patent: 4659981 (1987-04-01), Lumsden
patent: 4887028 (1989-12-01), Voisine et al.
patent: 5150046 (1992-09-01), Lim
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