The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 26, 2005
Filed:
Jul. 11, 2003
Jan Häggander, Trollhattan, SE;
Jan Lundgren, Grundsund, SE;
Mats Hallqvist, Grastorp, SE;
Volvo Aero Corporation, Trollhättan, SE;
Abstract
Method and arrangement for providing liquid fuel rocket engine member (). 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 (). The outside of the wall structure includes a continuous sheet metal wall (). The cooling channels () are longitudinally attached to the inside of the sheet metal wall. The method for manufacturing the rocket engine member () includes the steps of forming a sheet metal wall () having a wall section corresponding to the desired nozzle section, providing a plurality of channel members (), and attaching the channel members () to the inside of the sheet metal wall ().