IP Library Granted Patent US 11,401,891
Granted Patent B2
US 11,401,891 · App. 16/741,097 · Granted Aug 2, 2022

Apparatus for desuperheating high temperature, high velocity steam

Inventors: Robert Paul Martin (Lynchburg, VA); Jeremy Leslie Gustafson (Lynchburg, VA); Ryan Z. Ziegler (Forest, VA); Charles Larry Fisher (Forest, VA); James Brian Inman (Forest, VA)
Assignee: BWXT Nuclear Energy, Inc.
F02K9/64F05D2260/205F22G5/123
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Quick Facts
Patent No.
US 11,401,891
App. No.
16/741,097
Granted
Aug 2, 2022
Kind
B2
Abstract

A desuperheating spray chamber for use in a rocket exhaust recovery system for a nuclear thermal propulsion rocket, including a substantially-cylindrical outer tank with an upper end including an entrance port and two exhaust ports, a substantially-cylindrical shroud extending downwardly from an inner surface of the upper end of the tank, an annular inner spray ring that is both disposed within and concentric with the shroud; and an annular outer spray ring that is disposed between a side wall of the outer tank and the shroud, the annular outer ring being concentric with the shroud.

Claims (23)

1. A desuperheating spray chamber for use in a rocket exhaust recovery system for a nuclear thermal propulsion rocket, comprising:

a substantially-cylindrical outer tank with an upper end including an entrance port and two exhaust ports disposed thereon;

a substantially-cylindrical shroud extending downwardly from an inner surface of the upper end of the tank, wherein the shroud is concentric to the entrance port about a longitudinal center axis of the outer tank;

an annular inner spray ring that is both disposed within and concentric to the shroud about the longitudinal center axis; and

an annular outer spray ring that is disposed between a side wall of the outer tank and the shroud, the annular outer ring being concentric to the shroud about the longitudinal center axis.

2. The spray chamber of claim 1 , further comprising a drain assembly in fluid communication with a bottom end of the outer tank.

3. The spray chamber of claim 1 , further comprising a manway extending radially-outwardly from the side wall of the outer tank.

4. The spray chamber of claim 3 , further including ports extending radially-outwardly from the side wall of the outer tank for receiving instrumentation.

5. The spray chamber of claim 1 , further comprising a first set of nozzles disposed on the inner spray ring.

6. The spray chamber of claim 5 , wherein each nozzle of the first set of nozzles has a spray axis that defines one of an obtuse and an acute angle with respect to the longitudinal center axis of the outer tank.

7. The spray chamber of claim 5 , further comprising a second sent of nozzles disposed on the outer spray ring, each nozzle of the second set of nozzles having a spray axis that is parallel to the longitudinal center axis of the outer tank.

8. A desuperheating spray chamber for use in a rocket exhaust recovery system for a nuclear thermal propulsion rocket, comprising:

a substantially-cylindrical outer tank with an upper end including an entrance port and at least one exhaust port disposed thereon;

a substantially-cylindrical shroud extending downwardly from an inner surface of the upper end of the tank;

an inner spray ring that is disposed within the shroud about a longitudinal center axis of the outer tank; and

an outer spray ring that is disposed between a side wall of the outer tank and the shroud, and is concentric to the shroud.

9. The spray chamber of claim 8 , further comprising a drain assembly in fluid communication with a bottom end of the outer tank.

10. The spray chamber of claim 8 , further comprising a manway extending radially-outwardly from the side wall of the outer tank.

11. The spray chamber of claim 10 , further including ports extending radially-outwardly from the side wall of the outer tank for receiving instrumentation.

12. The spray chamber of claim 8 , further comprising a first set of nozzles disposed on the inner spray ring.

13. The spray chamber of claim 12 , wherein each nozzle of the first set of nozzles has a spray axis that defines one of an obtuse and an acute angle with respect to the longitudinal center axis of the outer tank.

14. The spray chamber of claim 12 , further comprising a second set of nozzles disposed on the second outer spray ring.

15. The spray chamber of claim 14 , wherein each nozzle of the second set of nozzles has a spray axis that is parallel to the longitudinal center axis of the outer tank.

Assignments (2)
SECURITY INTEREST Recorded Nov 10, 2025
From: BWXT ADVANCED TECHNOLOGIES LLC; BWXT ISOTOPE TECHNOLOGY GROUP, INC.; BWXT NUCLEAR ENERGY, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 073531/0358 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 9, 2022
From: MARTIN, ROBERT PAUL; GUSTAFSON, JEREMY LESLIE; ZIEGLER, RYAN Z.; FISHER, CHARLES LARRY; INMAN, JAMES BRIAN
To: BWXT NUCLEAR ENERGY, INC.
Reel/Frame 060145/0830 →