Helical cross flow (HCF) pulse detonation engine

1. A helical cross flow pulse combustor assembly comprising:

a helical spiral of tubing forming the pulse combustor, the helical spiral of tubing forming a coil of tubing about an axis, the tubing having at least one hole through

the tubing along an interior of the coil of tubing and at least one hole through an exterior of the coil of tubing; and

a rotating helical ribbon valve for covering the at least one hole through the tubing along the interior of the coil of tubing when the helical ribbon valve is rotated within the helical spiral of tubing.

2. The helical cross flow combustor of claim 1 , wherein the helical spiral comprises a plurality of spirals of tubing forming the coil.

3. A helical cross flow pulse combustor assembly comprising:

a helical spiral of a Z-shaped member forming the pulse combustor, the helical spiral having a lower portion of the Z-shaped member forming a continuous annular slot with respect to the lower portion of the Z-shaped member located adjacent thereto and an upper portion of the Z-shaped member forming a continuous annular slot with respect to an upper portion of the Z-shaped member located adjacent thereto; and

a rotating helical ribbon valve for covering portions of the continuous annular slot formed by the lower portion of the Z-shaped member with respect to the lower portion of the Z-shaped member located adjacent thereto when the helical ribbon valve is rotated within the helical spiral of tubing.

4. The helical cross flow combustor of claim 3 , further comprising:

a second rotating helical ribbon valve for covering portions of the continuous annular slot formed by the lower portion of the Z-shaped member with respect to the lower portion of the Z-shaped member located adjacent thereto when the helical ribbon valve is rotated within the helical spiral of tubing.

5. A helical cross flow combustor pulse detonation engine comprising:

a helical spiral of a Z-shaped member forming a pulse detonation combustor, the helical spiral member having a lower portion of the Z-shaped member forming a continuous annular slot with respect to the lower portion of the Z-shaped member located adjacent thereto and an upper portion of the Z-shaped member forming a continuous annular slot with respect to the upper portion of the Z-shaped member located adjacent thereto, a stem of the Z-shaped member having a plurality of holes therethrough;

a rotating helical ribbon valve for covering portions of the continuous annular slot formed by the lower portion of the Z-shaped member with respect to the upper portion of the Z-shaped member located adjacent thereto when the helical ribbon valve is rotated within the helical spiral of tubing; and

a helical fuel manifold connected to the helical spiral of the Z-shaped member.

6. The helical cross flow combustor pulse detonation engine of claim 5 , further comprising:

a shaft connected to the rotating helical ribbon valve for rotating the helical ribbon valve.

7. The helical cross flow combustor pulse detonation engine of claim 5 , further comprising:

an exhaust manifold having one end connected to the helical fuel manifold, the exhaust manifold having a nozzle throat therein.

8. The helical cross flow combustor pulse detonation engine of claim 5 , further comprising:

a tail cone having one end thereof connected to the helical spiral of the Z-shaped member.

9. The helical cross flow combustor pulse detonation engine of claim 5 , further comprising:

a rotor hub connected to the rotating helical ribbon valve for rotating the helical ribbon valve.

10. The helical cross flow combustor pulse detonation engine of claim 9 , further comprising:

a plurality of support struts connecting the rotor hub to the helical ribbon valve.

11. The helical cross flow combustor pulse detonation engine of claim 10 , further comprising:

a forward rotor hub having a plurality of struts connected thereto for supporting the helical ribbon valve in the helical cross flow combustor pulse detonation engine.

12. The helical cross flow combustor pulse detonation engine of claim 5 , further comprising:

a deflagration-to-detonation initiation tube connected to the Z-shaped member for initiating detonation in the helical cross flow combustor pulse detonation engine.

13. The helical cross flow combustor pulse detonation engine of claim 10 , further comprising:

a fuel supply connected to the helical fuel manifold.

14. A helical cross flow combustor pulse detonation engine comprising:

a helical spiral of a Z-shaped member forming a pulse detonation combustor, the helical spiral of the Z-shaped member having a lower portion of the Z-shaped member forming a continuous annular slot with respect to the lower portion of the Z-shaped member located adjacent thereto and an upper portion of the Z-shaped member forming a continuous annular slot with respect to the upper portion of the Z-shaped member located adjacent thereto, a stem of the Z-shaped member having a plurality of holes therethrough;

a rotating helical ribbon valve for covering portions of the continuous annular slot formed by the lower portion of the Z-shaped member with respect to the upper portion of the L-shaped member located adjacent thereto when the helical ribbon valve is rotated within a helical spiral of tubing;

a helical fuel manifold connected to the helical spiral of a Z-shaped member;

a shaft connected to the rotating helical ribbon valve for rotating the helical ribbon valve;

an exhaust manifold having one end connected to the helical fuel manifold, the exhaust manifold having a nozzle throat therein;

a tail cone having one end thereof connected to the helical spiral of a Z-shaped member; and

a rotor hub connected to the rotating helical ribbon valve for rotating the helical ribbon valve.