Propulsion System for Hypersonic Flight (up to Mach 10)

Patent: Propulsion System for Hypersonic Flight

http://www.google.com/patents?id=rd8cAAAAEBAJ&printsec=abstract&zoom=4&dq=hypersonic#PPP1,M1

This is a very interesting Patent filed in 1989 by Messerschmitt - Boelkow - Blohm which details plans for a Hypersonic Propulsion System capable of speeds up to Mach 10.