Engine performance indicator

Claim 1

IN COMBINATION WITH A GAS GENERATOR HAVING MEANS ASSOCIATED THEREWITH FOR SENSING THE VALUES OF AND PRODUCING SIGNALS PROPORTIONAL TO THE LOAD ON, THE CONDITIONS ADJACENT THE INLET TO AND A PLURALITY OF POWER LIMITING OPERATING PARAMETERS OF THE GAS GENERATOR; SAID GAS GENERATOR ALSO HAVING ASSOCIATED THEREWITH A POWER REMAINING COMPUTER WHICH, IN RESPONSE TO THE PRODUCED POWER LIMITING OPERATING PARAMETER SIGNALS, GENERATES A SIGNAL COMMENSURATE WITH POWER REMAINING AVAILABLE FROM THE GAS GENERATOR; A POWER PREFORMANCE COMPUTER COMPRISING: FIRST SIGNAL GENERATING MEANS RESPONSIVE TO THE SIGNAL PROPORTIONAL TO THE LOAD ON THE GAS GENERATOR FOR GENERATING A SIGNAL COMMENSURATE WITH THE ACTUAL POWER BEING DEVELOPED BY THE GAS GENERATOR; SECOND SIGNAL GENERATING MEANS RESPONSIVE TO THE SIGNALS PROPORTIONAL TO THE SENSED VALUES OF THE CONDITIONS ADJACENT THE INLET TO THE GAS GENERATOR FOR GENERATING A SIGNAL COMMENSURATE WITH THE RATED POWER OF THE GAS GENERATOR FOR SAID INLET CONDITIONS; SUMMING MEANS RESPONSIVE TO SAID SIGNALS COMMENSURATE WITH POWER REMAINING, AS PROVIDED BY SAID POWER REMAINING COMPUTER, AND ACTUAL DEVELOPED POWER, AS PROVIDED BY SAID FIRST SIGNAL GENERATING MEANS, FOR GENERATING A SIGNAL COMMENSURATE WITH THE ACTUAL POWER THE GAS GENERATOR CAN DEVELOP FOR THE EXISTING INLET CONDITIONS, AND COMPARING MEANS RESPONSIVE TO THE SIGNAL COMMENSURATE WITH ACTUAL POWER WHICH THE GAS GENERATOR CAN DEVELOP, AS PROVIDED BY SAID SUMMING MEANS, AND TO THE SIGNAL COMMENSURATE WITH RATED POWER, AS PROVIDED BY SAID SECOND SIGNAL GENERATING MEANS, FOR GENERATING A POWER PERFORMANCE SIGNAL COMMENSURATE WITH THE PROXIMITY OF THE RATE POWER TO THE ACTUAL POWER THE GAS GENERATOR CAN DEVELOP.