Power plants – Reaction motor – Including heat exchange means
Reexamination Certificate
2005-07-26
2005-07-26
Freay, Charles G. (Department: 3746)
Power plants
Reaction motor
Including heat exchange means
C239S127100, C029S890010, C029S890140
Reexamination Certificate
active
06920750
ABSTRACT:
Method and arrangement for providing liquid fuel rocket engine member (10). The member forms a body of revolution having an axis of revolution and a cross section that varies in diameter along said axis. The wall structure includes a plurality of cooling channels (11). The outside of the wall structure includes a continuous sheet metal wall (14). The cooling channels (11) are longitudinally attached to the inside of the sheet metal wall. The method for manufacturing the rocket engine member (10) includes the steps of forming a sheet metal wall (14) having a wall section corresponding to the desired nozzle section, providing a plurality of channel members (15), and attaching the channel members (15) to the inside of the sheet metal wall (14).
REFERENCES:
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patent: 3690103 (1972-09-01), Dederra et al.
patent: 4584171 (1986-04-01), Niino et al.
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patent: 5546656 (1996-08-01), Hartman et al.
patent: 6467253 (2002-10-01), Haggander
patent: 904887 (1962-09-01), None
patent: WO 9529785 (1995-11-01), None
Häggander Jan
Hallqvist Mats
Lundgren Jan
Freay Charles G.
Novak Druce & Quigg LLP
Volvo Aero Corporation
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