Fuel feed and power control apparatus for combustion engines

Claim 1

FUEL FLOW CONTROL APPARATUS FOR A GAS TURBINE ENGINE PROVIDED WITH A COMBUSTION CHAMBER, AN AIR COMPRESSOR, AND A CONTROL LEVEL FOR CONTROLLING THE OPERATION OF THE ENGINE, SAID FUEL CONTOL APPARATUS COMPRISING: A SOURCE OF PRESSURIZED FUEL, A FUEL CONDUIT CONNECTED TO DELIVER FUEL FROM SAID SOURCE TO THE COMBUSTION CHAMBER, VALVE MEANS IN SAID CONDUIT FOR CONTROLLING FUEL FLOW THERETHROUGH TO THE COMBUSTION CHAMBER, FIRST CAM MEANS CONTOURED RADIALLY AND AXIALLY AS A FUNCTION OF FIRST AND SECOND VARIABLE CONDITIONS OF ENGINE OPERATION, RESPECTIVELY, SECOND CAM MEANS CONTOURED RADIALLY AND AXIALLY AS A FUNCTION OF SAID FIRST AND SECOND VARIABLE CONDITIONS OF ENGINE OPERATION AND THE POSITION OF THE CONTROL LEVER, FIRST AND SECOND CONDITION RESPONSIVE MEANS OPERATIVELY CONNECTED TO SAID FIRST CAM MEANS FOR ACTUATING THE SAME IN RESPONSE TO SAID FRIST AND SECOND VARIABLE CONDITIONS OF ENGINE OPERATION, SAID SECOND CAM MEANS BEING OPERATIVELY CONNECTED TO AND ACTUATED BY THE CONTROL LEVER, LINKAGE MEANS INCLUDING FOLLOWER MEANS RESPONSIVE TO SAID FIRST CAM MEANS OPERATIVELY CONNECTED TO SAID SECOND CAM MEANS FOR ACTUATING SAID SECOND CAM MEANS, THIRD CAM MEANS CONTOURED RADIALLY AND AXIALLY AS A FUNCTION OF ENGINE SPEED AND SAID FIRST VARIABLE CONDITION OF ENGINE OPERATION, MEANS RESPONSIVE TO ENGINE SPEED OPERATIVELY CONNECTED TO SAID THIRD CAM MEANS FOR ACTUATING THE SAME AS A FUNCTION OF ENGINE SPEED, SAID FIRST CONDITION RESPONSIVE MEANS BEING OPERATIVELY CONNECTED TO SAID THIRD CAM MEANS FOR ACTUATING THE SAME, MEANS OPERATIVELY CONNECTED TO SAID VALVE MEANS FOR ACTUATING THE SAME, FIRST FOLLOWER MEANS OPERATIVELY CONNECTED TO SAID SECOND CAM MEANS AND SAID LAST NAMED ACTUATING MEANS FOR CONTROLLING THE OPERATION OF SAID VALVE MEANS AS A FUNCTION OF THE POSITION OF THE CONTROL LEVER, AND SAID FIRST AND SECOND VARIABLE CONDITIONS OF ENGINE OPERATION, AND SECOND FOLLOWER MEANS OPERATIVELY CONNECTED TO SAID THIRD CAM MEANS AND SAID LAST NAMED ACTUATING MEANS FOR CONTROLLING THE OPERATION OF SAID VALVE MEANS AS A FUNCTION OF ENGINE SPEED MODIFIED BY SAID FIRST VARIABLE CONDITION OF ENGINE OPERATION.