Engine speed governor

Claim 1

AN ENGINE SPEED GOVERNOR FOR AN ENGINE HAVING A THROTTLE VALVE OPERABLE TO REGULATE THE SPEED OF THE ENGINE COMPRISING, ELECTRONIC MEANS OPERABLE TO DEVELOP AN ELECTRIC SIGNAL PROPORTIONAL TO THE SPEED OF THE ENGINE ABOVE A PREDETERMINED SPEED, AN ELECTRIC MOTOR OPERABLY ASSOCIATED WITH SAID ELECTRONIC MEANS, THE SPEED OF WHICH IS CONTROLLED IN ACCORDANCE WITH SAID ELECTRIC SIGNAL, VALVE CONTROL MEANS INCLUDING A PISTON ROD POSITIONABLE TO LIMIT MOVEMENT OF SAID THROTTLE VALVE IN AN OPEN DIRECTION, AND HYDRAULIC MEANS INTERMEDIATE SAID ELECTRIC MOTOR AND VALVE CONTROL MEANS, SAID HYDRAULIC MEANS COMPRISING A HYDRAULIC CYLINDER, A PISTON RECIPROCABLE THEREIN TO WHICH SAID PISTON ROD IS ATTACHED, AND MEANS FOR POSITIONING SAID PISTON IN SAID CYLINDER IN ACCORDANCE WITH THE SPEED OF THE ELECTRIC MOTOR, SAID MEANS FOR POSI-AID TIONING SAID PISTON INCLUDING RESILIENT MEANS BIASING SAID PISTON TOWARD ONE END OF SAID CYLINDER, A HYDRAULIC FLUID RESERVOIR, A PAIR OF FLUID CONDUITS EXTENDING BETWEEN SAID ONE END OF SAID CYLINDER AND THE RESERVOIR, ONE OF SAID FLUID CONDUITS HAVING A RESTRICTION THEREIN, AND A HYDRAULIC FLUID PUMP IN THE OTHER OF SAID CONDUITS FOR PUMPING FLUID