Multislot film cooled pyrolytic graphite rocket nozzle

Claim 1

IN A ROCKET ENGINE HAVING A COMBUSTION CHAMBER AND THROAT FORMED BY A NOZZLE WALL, THAT IMPROVEMENT WHICH COMPRISES: (A) A MULTISLOTTED NOZZLE WALL, SAID WALL BEING FORMED OF A PLURALITY OF WASHERS; (B) SAID WASHERS HAVING A PLURALITY OF GROOVES FORMED ON AT LEAST ONE FACE THEREOF WHEREBY TO FORM WITH AN ADJACENT WASHER A PLURALITY OF PASSAGES; (C) EACH OF SAID WASHERS FURTHER HAVING A PLURALITY OF APERTURES THEREIN ALIGNED WITH APERTURES IN ADJACENT WASHERS WHEREBY TO FORM PASSAGES FOR PASSAGE OF FLUID THROUGH SAID WASHERS, EACH OF SAID GROOVES EXTENDING FROM THE INNER SIDE OF SAID NOZZLE WALL TO ONE OF SAID APERTURES, GROOVES OF ONE WASHER BEING CIRCUMFERENTIALLY OFFSET RELATIVE TO THE GROOVES OF AN ADJACENT WASHER TO EVENLY DISTRIBUTE SAID FLUID AROUND SAID NOZZLE WALL; (D) WHEREBY FLUID IN SAID PASSAGES IS ADAPTED TO PASS THROUGH SAID GROOVES INTO SAID ROCKET ENGINE TO PROVIDE A COOLING BOUNDARY LAYER.