IP Library Granted Patent US 8,453,330
Granted Patent B2
US 8,453,330 · App. 12/930,152 · Granted Jun 4, 2013

Electromagnet flow regulator, system, and methods for regulating flow of an electrically conductive fluid

Inventors: Roderick A. Hyde (Redmond, WA); Muriel Y. Ishikawa (Livermore, CA); Jon D. McWhirter (Kirkland, WA); Ashok Odedra (Bellevue, WA); Joshua C. Walter (Kirkland, WA); Kevan D. Weaver (Redmond, WA); Lowell L. Wood, Jr. (Bellevue, WA)
Assignee: The Invention Science Fund I
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Quick Facts
Patent No.
US 8,453,330
App. No.
12/930,152
Granted
Jun 4, 2013
Kind
B2
Abstract

Embodiments include electromagnetic flow regulators for regulating flow of an electrically conductive fluid, systems for regulating flow of an electrically conductive fluid, methods of regulating flow of an electrically conductive fluid, nuclear fission reactors, systems for regulating flow of an electrically conductive reactor coolant, methods of regulating flow of an electrically conductive reactor coolant in a nuclear fission reactor, and methods of fabricating an electromagnetic flow regulator for regulating flow of an electrically conductive fluid.

Claims (35)

1. A method of fabricating an electromagnetic flow regulator for regulating flow of an electrically conductive fluid, the method comprising:

defining through a plurality of magnetic conductors a fluid inlet path for an electrically conductive fluid by defining through the plurality of magnetic conductors a plurality of flow holes for the electrically conductive fluid;

arranging the plurality of magnetic conductors in fixed relative location such that a fluid flow path for the electrically conductive fluid is defined along the plurality of magnetic conductors substantially orthogonal to the fluid inlet path; and

disposing a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the fluid inlet path.

2. The method of claim 1 , wherein arranging the plurality of magnetic conductors in fixed relative location such that a fluid flow path for the electrically conductive fluid is defined along the plurality of magnetic conductors substantially orthogonal to the fluid inlet path includes arranging the plurality of magnetic conductors in fixed relative location such that a fluid flow path for the electrically conductive fluid is defined inboard of the plurality of magnetic conductors and along the plurality of magnetic conductors substantially orthogonal to the fluid inlet path.

3. The method of claim 1 , wherein disposing a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the fluid inlet path includes disposing outboard of the plurality of magnetic conductors a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the fluid inlet path.

4. The method of claim 3 , wherein disposing outboard of the plurality of magnetic conductors a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the fluid inlet path includes disposing a helical coil outboard of the plurality of magnetic conductors a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the fluid inlet path.

5. The method of claim 3 , wherein disposing outboard of the plurality of magnetic conductors a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the fluid inlet path includes disposing a plurality of substantially circular coils outboard of the plurality of magnetic conductors a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the fluid inlet path.

6. The method of claim 1 , further comprising:

arranging a plurality of magnetic nonconductors in fixed relative location such that ones of the plurality of magnetic nonconductors are disposed between adjacent ones of the plurality of magnetic conductors.

7. The method of claim 6 , wherein arranging a plurality of magnetic nonconductors in fixed relative location such that ones of the plurality of magnetic nonconductors are disposed between adjacent ones of the plurality of magnetic conductors includes arranging a plurality of magnetic nonconductors in fixed relative location such that ones of the plurality of magnetic nonconductors are disposed between adjacent ones of the plurality of magnetic conductors and such that the fluid flow path is further defined along the plurality of magnetic nonconductors.

8. The method of claim 1 , wherein disposing a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the fluid inlet path includes disposing a first plurality of electrical conductors inboard of the plurality of magnetic conductors and a second plurality of electrical conductors outboard of the plurality of magnetic conductors, the first and second plurality of conductors being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the first and second pluralities of conductors at the fluid inlet path.

9. The method of claim 8 , further comprising:

arranging a plurality of magnetic nonconductors in fixed relative location such that ones of the plurality of magnetic nonconductors are disposed between adjacent ones of the plurality of magnetic conductors.

10. The method of claim 9 , wherein arranging a plurality of magnetic nonconductors in fixed relative location such that ones of the plurality of magnetic nonconductors are disposed between adjacent ones of the plurality of magnetic conductors includes arranging a plurality of magnetic nonconductors in fixed relative location such that ones of the plurality of magnetic nonconductors are disposed between adjacent ones of the plurality of magnetic conductors and such that the fluid flow path is further defined along the plurality of magnetic nonconductors.

11. The method of claim 9 , further comprising:

further defining the fluid inlet path through the plurality of magnetic nonconductors.

12. The method of claim 9 , further comprising:

further defining the plurality of flow holes through the plurality of magnetic nonconductors.

13. A method of fabricating an electromagnetic flow regulator for regulating flow of an electrically conductive fluid, the method comprising:

defining through a plurality of magnetic conductors a plurality of flow holes that defines a fluid inlet path for an electrically conductive fluid;

attaching the plurality of magnetic conductors to a frame such that a fluid flow path for the electrically conductive fluid is defined along the plurality of magnetic conductors substantially orthogonal to the fluid inlet path; and

disposing outboard of the plurality of magnetic conductors a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the plurality of flow holes.

14. The method of claim 13 , wherein attaching the plurality of magnetic conductors to a frame such that a fluid flow path for the electrically conductive fluid is defined along the plurality of magnetic conductors substantially orthogonal to the fluid inlet path includes attaching the plurality of magnetic conductors to a frame such that a fluid flow path for the electrically conductive fluid is defined inboard of the plurality of magnetic conductors and along the plurality of magnetic conductors substantially orthogonal to the fluid inlet path.

15. The method of claim 13 , further comprising:

attaching a plurality of magnetic nonconductors to the frame such that ones of the plurality of magnetic nonconductors are disposed between adjacent ones of the plurality of magnetic conductors.

16. The method of claim 13 , wherein disposing outboard of the plurality of magnetic conductors a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the plurality of flow holes includes disposing a helical coil outboard of the plurality of magnetic conductors a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the plurality of flow holes.

17. The method of claim 13 , wherein disposing outboard of the plurality of magnetic conductors a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the plurality of flow holes includes disposing a plurality of substantially circular coils outboard of the plurality of magnetic conductors a field generation winding capable of carrying an electrical current, the field generation winding being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the field generation winding at the plurality of flow holes.

18. A method of fabricating an electromagnetic flow regulator for regulating flow of an electrically conductive fluid, the method comprising:

defining through a plurality of magnetic conductors a plurality of flow holes that defines a fluid inlet path for an electrically conductive fluid;

attaching the plurality of magnetic conductors to a frame such that a fluid flow path for the electrically conductive fluid is defined along the plurality of magnetic conductors substantially orthogonal to the fluid inlet path; and

disposing a first plurality of electrical conductors inboard of the plurality of magnetic conductors and a second plurality of electrical conductors outboard of the plurality of magnetic conductors, the first and second plurality of conductors being electromagnetically couplable to the plurality of magnetic conductors such that at least one magnetic field is generatable by the first and second pluralities of conductors at the plurality of flow holes.

19. The method of claim 18 , further comprising:

attaching a plurality of magnetic nonconductors to the frame such that ones of the plurality of magnetic nonconductors are disposed between adjacent ones of the plurality of magnetic conductors.

20. The method of claim 19 , wherein attaching a plurality of magnetic nonconductors to the frame such that ones of the plurality of magnetic nonconductors are disposed between adjacent ones of the plurality of magnetic conductors includes attaching a plurality of magnetic nonconductors to the frame such that ones of the plurality of magnetic nonconductors are disposed between adjacent ones of the plurality of magnetic conductors and such that the fluid flow path is further defined along the plurality of magnetic nonconductors.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 24, 2014
From: THE INVENTION SCIENCE FUND I LLC
To: TERRAPOWER, LLC
Reel/Frame 032746/0706 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 18, 2013
From: SEARETE LLC
To: THE INVENTION SCIENCE FUND I, LLC
Reel/Frame 030246/0089 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 28, 2011
From: HYDE, RODERICK A.; ISHIKAWA, MURIEL Y.; MCWHIRTER, JON D.; ODEDRA, ASHOK; WALTER, JOSHUA C.; WEAVER, KEVAN D.; WOOD, LOWELL L., JR.
To: SEARETE LLC
Reel/Frame 026034/0518 →
Continuity (2)
Continuation In Part 12924914 · Oct 6, 2010
Related Publication 20120084970A1 · Apr 12, 2012