Automatically adjustable rocket nozzle

• US 3,249,306 A
• Filed: 09/14/1962
• Issued: 05/03/1966
• Est. Priority Date: 09/14/1962
• Status: Expired due to Term

• Current Assignee: John H. Altseimer
• Original Assignee: John H. Altseimer
• Inventors: Altseimer, John H.
• Application Number:
  US04/223,646
• Time in Patent Office: 1,327 Days
• US Class Current: 239/127.1
• CPC Class Codes: F02K 9/976 Deployable nozzles

Claims

1. AN AUTOMATICALLY ADJUSTABLE NOZZLE FOR A ROCKET COMPRISING A FIXED DIAMETER PART ADAPTED TO SURROUND THE OUTLET OF A COMBUSTION CHAMBER OF A ROCKET MOTOR, AN ELONGATED TUBULAR SKIRT SECURED AT ITS FORWARD END TO SAID FIXED DIAMETER PART AND EXTENDING REARWARDLY THEREFROM, THE WALL OF SAID SKIRT HAVING A PLURALITY OF LONGITUDINALLY EXTENDING CORRUGATIONS PROVIDED THEREIN TO FORM ORRUGATED INNER AND OUTER SKIRT SURFACES, SAID SKIRT EXTENDING CLEAR OF OBSTRUCTIONS AND BEING UNCONFINED THROUGHOUT AT LEAST A MOJOR PORTION OF ITS LENGHT, AN THE WALL OF SAID SKIRT EXPANDING BY LESSENING THE EXTENT OF THE CORRUGATIONS PROVIDED THEREIN IN RESPONSE TO A REDUCTION IN THE AMBIENT ATMOSPHERIC PRESSURE DURING THE FLIGHT OF THE ROCKET.

6. AN AUTOMATICALLY ADJUSTABLE NOZZLE FOR A ROCKET COMPRISING A FIXED DIAMETER PART ADAPTED TO SURROUND THE OUTLET OF A COMBUSTION CHAMBER AT ITS FORWARD END TO SAID BENDABLE SKIRT MEANS SECURED AT ITS FORWARD END TO AND AROUND SAID FIXED DIAMETER PART AND EXTENDING REARWARDLY THEREFROM, SAID BENDABLE SKIRT MEANS BEING MOVABLE FROM A RETRACTED TO AN EXPANDED POSITION AS THE AMBIENT ATMOSPHERIC PRESSURE IS REDUCED DURING THE FLIGHT OF THE ROCKET, AND THRUST VECTOR CONTROL MEANS ASSOCIATED WITH SAID BENDABLE SKIRT MEANS, SAID THRUST VECTOR CONTROL MEANS RETAININNG A PORTION OF SAID BENDABLE SKIRT MEANS IN ITS RETRACTED POSITION WHILE THE REMAINDER OF SAID BENDABLE SKIRT MEANS IS IN ITS EXPANDED POSITION.