Standby afterburner operation system

Claim 1

IN A TURBOJET ENGINE WHICH IS TO BE CONTROLLED BY A THROTTLE LEVER FOR AIRCRAFT PROPULSION, SAID ENGINE COMPRISING A MAIN COMBUSTOR FOR PRODUCING PRIMARY THRUST AND AN AFTERBURNER FOR PRODUCING AUGMENTED THRUST, MEANS FOR SCHEDULING FLOW OF FUEL TO SAID COMBUSTOR AS A FUNCTION OF LEVER MOVEMET IN A GIVEN DIRECTION TO INCREASE THE RATE OF ENGINE OPERATION TO A MAXIMUM VALUE IN PROVIDING PRIMARY THRUST FOR THE AIRCRAFT, MEANS FOR SCHEDULING FLOW OF FUEL TO SAID AFTERBURNER IN RESPONSE TO MOVEMENT OF SAID LEVER BEYOND A POSITION SCHEDULING SUBSTANTIALLY MAXIMUM FUEL FLOW TO SAID COMBUSTOR, MEANS FOR ACTUATING SAID AFTERBURNER SCHEDULING MEANS IN RESPONSE TO OPERATING OF SAID ENGINE AT APPROXIMATELY A MAXIMUM RATE, THE IMPROVEMENT WHICH CONSISTS OF MEANS FOR SELECTIVELY ACTUATING SAID AFTERBURNER SCHEDULING MEANS FOR DELIVERY OF FUEL TO SAID AFTERBURNER AT A RELATIVELY LOW RATE WHEN THE THROTTLE LEVER IS WITHIN GIVEN LIMITS SUBSTANTIALLY BELOW ITS MAXIMUM SCHEDULING POSITION WHEN THE RATE OF SAID ENGINE OPERATION IS BELOW A MAXIMUM RATE, WHEREBY SAID AFTERBURNER MAY BE PLACED IN A STANDBY STATE TO RAPIDLY PRODUCE MAXIMUM AUGMENTED THRUST WHEN SAID THROTTLE IS ADVANCED AT AN EXTREME RATE TO APPROXIMATELY ITS HIGHEST POSITION.