Fuel pump and distributing apparatus

Claim 1

IN A FUEL SYSTEM FOR USE WITH A COMPRESSION IGNITION ENGINE WITH FUEL INJECTORS, SAID SYSTEM HAVING A HOUSING WITH A BORE, A SHUTTLE PISTON IN SAID BORE, WITH ITS ENDS DEFINING FIRST AND SECOND PORTED CHAMBERS, ONE IN EACH END OF SAID BORE, MEANS FOR CHARGING FUEL UNDER PRESSURE FROM A FUEL SOURCE TO EACH SAID CHAMBER ALTERNATELY, THEREBY TO MOVE SAID SHUTTLE PISTON AND DISCHARGE FUEL FROM THE OPPOSITE CHAMBER, AND MEANS FOR CONNECTING SAID FIRST CHAMBER AT DISCHARGE TO A FUEL INJECTOR ON THE ENGINE, THE COMBINATION THEREWITH OF: A MANUALLY CONTROLLED THROTTLE HAVING A CAM FACE OPERATIVELY ENGAGEABLE WITH ONE END OF SAID SHUTTLE PISTON TO DETERMINE THE EXTENT OF MOVEMENT OF THE SHUTTLE PISTON IN ONE DIRECTION, MOVEMENT-LIMITING MEANS ENGAGEABLE BY THE OTHER END OF SAID SHUTTLE PISTON TO DETERMINE ITS EXTENT OF MOVEMENT IN THE OTHER DIRECTION, CONTROL MEANS RESPONSIVE TO THE SPEED OF SAID ENGINE AND ADAPTED TO BE CONNECTED TO SAID ENGINE AND ACTUATED THEREBY, AND FUEL-REGULATING MEANS MOVABLY MOUNTED IN SAID HOUSING AND CONTROLLED BY SAID CONTROL MEANS FOR REDUCING THE AMOUNT OF FUEL DELIVERED TO SAID FUEL INJECTOR AT PREDETERMINED ENGINE SPEEDS REGARDLESS OF THE POSITION OF SAID MANUALLY CONTROLLED THROTTLE CAM FACE.