Adjusting mechanism for gas turbine fuel control

Claim 1

AN ADJUSTING MECHANISM, ESPECIALLY FOR A CONTROL SYSTEM CONTROLLING THE FUEL QUANTITY SUPPLIED TO A GAS TURBINE DRIVE UNIT HAVING COMPRESSOR MEANS, COMPRISING A HYDRAULIC CONTROL CIRCUIT PROVIDING AN ACTUATING FLUID MEDIUM UNDER PRESSURE, HYDRAULICALLY ACTUATED FUEL METERING MEANS FOR METERING THE FUEL QUANTITY FLOWING TO THE DRIVE UNIT, PRESSURE RESPONSIVE MEANS OPERATING IN DEPENDENCE UPON A COMPRESSOR MAGNITUDE, ACCELERATION LIMIT MEANS AND DECELERATION LIMIT MEANS EACH INCLUDING PISTON MEANS, CONNECTING MEANS OPERATIVELY CONNECTING SAID LIMIT MEANS WITH EACH OTHER, SAID CONNECTING MEANS CONSTITUTING ALSO ABUTMENT AS WELL AS ACTUATION MEANS FOR THE PISTON MEANS OF SAID LIMIT MEANS TO EFFECTIVELY ADJUST SAID FUEL METERING MEANS TO PREVENT TRANSGRESSION OF MAXIMUM AND MINIMUM PERMISSIVE FUEL QUANTITIES ESSENTIALLY OVER THE ENTIRE OPERATING RANGE OF THE DRIVE UNIT, SAID LIMIT MEANS BEING ARRANGED WITHIN SAID HYDRAULIC CIRCUIT, ADJUSTING MEANS FOR INDEPENDENTLY ADJUSTING THE MAXIMUM AND MINIMUM PERMISSIVE FUEL QUANTITIES, A CONTROL HOUSING FOR THE ADJUSTING MECHANISM, SAID ADJUSTING MEANS INCLUDING THREE ADJUSTING MEMBERS, MEANS FOR PIVOTALLY SECURING SAID ADJUSTING MEMBERS IN