Passive power generation system

• US 8,610,311 B1
• Filed: 01/26/2010
• Issued: 12/17/2013
• Est. Priority Date: 01/27/2009
• Status: Active Grant

• Current Assignee: Energy Magnification Corporation
• Original Assignee: Energy Magnification Corporation
• Inventors: Grimes, Sean N.
• Primary Examiner(s): Fureman, Jared
• Assistant Examiner(s): PARRIES, DRU M
• Application Number:
  US12/657,778
• Time in Patent Office: 1,421 Days
• Field of Search: 307/416, 307/104
• US Class Current: 307/104
• CPC Class Codes: H01F 27/325 Coil bobbins formers for coils in general H01F5/02
• CPC Class Codes: H01F 30/06 characterised by the structure

Abstract

A passive power generation system comprised of a magnification device for magnifying energy and a recovery device operatively coupled to the magnification device for recovering at least a portion of the magnified energy and a method for making the passive power generation system for magnifying and recovering energy.

Claims

1. A magnification section, comprising:

a primary winding having a first number of turns and driven at a drive frequency; and

a secondary winding disposed concentric with said primary winding and having a second number of turns greater than said first number of turns for providing an inductive time constant greater than a time between cycles of the drive frequency for allowing currents induced in said secondary winding by said primary winding to superimpose for magnifying energy so long as a portion of said secondary winding remains electrically free relative to said primary winding.

2. The magnification section of claim 1 wherein said secondary winding is formed from a conductor having a length substantially equal to a quarter wave length of the drive frequency.

3. The magnification section of claim 1 wherein said secondary winding is formed from a conductor having a length substantially equal to an odd integer multiple of a quarter wave length of the drive frequency.

4. A wireless power transmitter, comprising:

a primary winding having a first number of turns and driven at a drive frequency;

a secondary winding disposed concentric with said primary winding and having a second number of turns greater than said first number of turns for providing an inductive time constant greater than a time between cycles of the drive frequency for allowing currents induced in said secondary winding by said primary winding to superimpose for magnifying energy so long as a portion of said secondary winding remains electrically free relative to said primary winding; and

wherein a temporal resonant frequency of said secondary winding is substantially equal to the drive frequency.

5. The wireless power transmitter of claim 4 wherein said secondary winding is formed from a conductor having an end nearest said primary winding coupled to earth ground.

6. The wireless power transmitter of claim 4 wherein said secondary winding is formed from a conductor having a length substantially equal to a quarter wave length of the drive frequency.

7. The wireless power transmitter of claim 4 wherein said secondary winding is formed from a conductor having a length substantially equal to an odd integer multiple of a quarter wave length of the drive frequency.

8. A passive power generation system, comprising:

a magnification section comprising;

a first primary winding loosely coupled to a first secondary winding wherein said first primary winding is electrically coupled to a generator for being driven at a drive frequency;

said first secondary winding comprised of a first portion having a first magnetic link with said first primary winding and a second portion having a second magnetic link with said first primary winding that is a percentage of said first magnetic link that achieves a magnification factor so that said first secondary winding will oscillate at the drive frequency;

a recovery section comprising;

a second primary winding loosely coupled to a second secondary winding;

said second primary winding of said recovery section electrically coupled in series with said first secondary winding of said magnification section for defining a secondary and primary series coupling; and

a capacitive coupling means electrically coupled in series with said secondary and primary series coupling for tuning said recovery section to have a recovery drive frequency substantially equal to the drive frequency of said magnification section.

9. A passive power generation system, comprising:

a magnification section comprising;

a first primary winding loosely coupled to a first secondary winding wherein said first primary winding is electrically coupled to a generator for being driven at a drive frequency;

said first secondary winding comprised of a first portion having a first magnetic link with said first primary winding and a second portion having a second magnetic link with said first primary winding that is a percentage of said first magnetic link that achieves a magnification factor so that said first secondary winding will oscillate at the drive frequency;

a recovery section comprising;

a second primary winding loosely coupled to a second secondary winding;

said second primary winding of said recovery section electrically coupled in series with said first secondary winding of said magnification section for defining a secondary and primary series coupling;

a captive coupling means electrically coupled in series with said secondary and primary series coupling for tuning said recovery section to have a recovery drive frequency substantially equal to the drive frequency of said magnification section; and

wherein said capacitive coupling means is comprised of a capacitance having a value (C) determined through the equation;

C=1/(4*π

²*f²*(LmagS+LrecP))

where

π

=pi,

f is the drive frequency,

LmagS is a value of inductance of said first secondary winding of said magnification section, and LrecP is a value of inductance of said second primary of said recovery section.

10. The system of claim 9 wherein the drive frequency (f) is equal to a quarter of a temporal resonance frequency of said first secondary winding of said magnification section.

11. The system of claim 9 wherein the drive frequency (f) is greater than a quarter of a temporal resonance frequency of said first secondary winding of said magnification section and less than half of a spatial resonance frequency of said first secondary winding of said magnification section.

12. The system of claim 9 wherein the drive frequency (f) is less than a quarter of a temporal resonance frequency of said first secondary winding of said magnification section and greater than a magnification factor of one.

13. The system of claim 10 wherein said first secondary winding of said magnification section is formed from a conductor having a length substantially equal to a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

14. The system of claim 10 wherein said second primary winding of said recovery section is formed from a conductor having a length substantially equal to a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

15. The system of claim 11 wherein said first secondary winding of said magnification section is formed from a conductor having a length substantially equal to a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

16. The system of claim 11 wherein said second primary winding of said recovery section is formed from a conductor having a length substantially equal to a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

17. The system of claim 12 wherein said first secondary winding of said magnification section is formed from a conductor having a length substantially equal to a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

18. The system of claim 12 wherein said second primary winding of said recovery section is formed from a conductor having a length substantially equal to a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

19. The system of claim 10 wherein said first secondary winding of said magnification section is formed from a conductor having a length substantially equal to an odd integer multiple of a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

20. The system of claim 10 wherein said second primary winding of said recovery section is formed from a conductor having a length substantially equal to an odd integer multiple of a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

21. The system of claim 11 wherein said first secondary winding of said magnification section is formed from a conductor having a length substantially equal to an odd integer multiple of a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

22. The system of claim 11 wherein said second primary winding of said recovery section is formed from a conductor having a length substantially equal to an odd integer multiple of a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

23. The system of claim 12 wherein said first secondary winding of said magnification section is formed from a conductor having a length substantially equal to an odd integer multiple of a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

24. The system of claim 12 wherein said second primary winding of said recovery section is formed from a conductor having a length substantially equal to an odd integer multiple of a quarter wave length of the temporal resonant frequency of said first secondary winding of said magnification section.

25. A magnification section, comprising:

a secondary winding comprised of a first winding portion and a second winding portion;

a primary winding driven at a drive frequency and located relative to said first winding portion and said second winding portion of said secondary for inducing an electric field strength differential between said first winding portion and said second winding portion of said secondary wherein said electric field strength induced in said first winding portion is greater than said electric field strength induced in said second winding portion by an electric field strength amount that achieves a magnification factor; and

wherein said primary winding includes a first number of turns and said secondary winding includes a second number of turns greater than said first number of turns of said primary for providing an inductive time constant for said secondary winding that is greater than a time between cycles of the drive frequency for allowing currents induced in said secondary winding by said primary winding to superimpose for magnifying power in said secondary as a function of said magnification factor.

26. A passive power generation system, comprising:

a magnification section comprising;

a first primary winding loosely coupled to a first secondary winding wherein said first primary winding is electrically coupled to a generator for being driven at a drive frequency;

said first secondary winding comprised of a first portion having a first magnetic link with said first primary winding and a second portion having a second magnetic link with said first primary winding that is a percentage of said first magnetic link that achieves a magnification factor so that said first secondary winding will oscillate at the drive frequency.

27. The system of claim 26, further comprising:

a recovery section, said recovery section comprising;

a second primary winding loosely coupled to a second secondary winding;

said second primary winding of said recovery section electrically coupled in series with said first secondary winding of said magnification section for defining a secondary and primary series coupling; and

a capacitive coupling means electrically coupled in series with said secondary and primary series coupling for tuning said recovery section to have a recovery drive frequency substantially equal to the drive frequency of said magnification section.