Engine control device

Claim 1

AN ENGINE FUEL SYSTEM, SAID SYSTEM COMPRISING A FUEL INJECTION PUMP HAVING A MAXIMUM-MINIMUM TYPE GOVERNOR OPERATIVE TO AUTOMATICALLY CONTROL ENGINE SPEED WHEN THE ENGINE REACHES MAXIMUM SPEED AND WHEN THE ENGINE IS SLOWED TO IDLE, A MANUALLY OPERATED THROTTLE CONNECTED BY LINKAGE TO A FUEL CONTROL ELEMENT IN SAID PUMP, SAID LINKAGE INCLUDING A PIVOTALLY MOUNTED LEVER CONNECTED TO SAID FUEL CONTROL ELEMENT AND URGED AT ALL TIMES BY A FIRST IDLE SPRING IN THE INCREASING FUEL DIRECTION AGAINST THE OPPOSING FORCE OF A SPEED RESPONSIVE ASSEMBLY DRIVEN FROM SAID ENGINE, A SECOND MAXIMUM SPEED GOVERNOR SPRING AND A MEMBER URGED THEREBY AGAINST A STOP SO THAT SAID MAXIMUM SPEED GOVERNOR SPRING IS PRELOADED AND INOPERATIVE UNTIL MAXIMUM SPEED CORRESPONDING TO SAID SPRING PRELOAD IS REACHED AND A TORSION BAR MOUNTED AT ONE END AND HAVING A CROSS BAR AT THE OTHER END THEREOF DISPOSED BETWEEN SAID ASSEMBLY AND SAID MEMBER, A PORTION OF SAID CROSS BAR COOPERATING WITH SAID LEVER SO AS TO BE CAPABLE OF REPOSITIONING THE SAME, SAID CROSS BAR BEING HELD IN CONTINUOUS ENGAGEMENT WITH SAID ASSEMBLY BY SAID LEVER DUE TO THE FORCE OF SAID IDLE SPRING, A PAIR OF SPACED ABUTMENTS BETWEEN SAID MEMBER AND SAID CROSS BAR, SAID ABUTMENTS HAVING DIFFERENT HEIGHTS SO THAT ENGAGEMENT OF SAID CROSS BAR AND SAID MEMBER FIRST OCCURS AT THE HIGHER OF SAID ABUTMENTS AS SAID CROSS BAR MOVES TOWARD SAID MEMBER, INCREASING ENGINE SPEED AT ANY GIVEN FIXED POSITION OF SAID MANUALLY OPERATED THROTTLE CAUSING SAID ASSEMBLY TO MOVE SAID CROSS BAR TOWARD SAID MEMBER AND THEREBY REPOSITION SAID LEVER, AND SAID FUEL CONTROL ELEMENT IN THE DECREASING FUEL DIRECTION UNTIL SAID CROSS BAR ENGAGES SAID MEMBER THROUGH ONE OF SAID ABUTMENTS, SAID CROSS BAR THEREAFTER PIVOTING ABOUT THE AXIS OF SAID TORSION BAR IN A DIRECTION DEPENDENT UPON WHICH ONE OF SAID PAIR OF ABUTMENTS IS HIGHER AND THEREBY REPOSITIONING SAID LEVER IN THE INCREASING OR THE DECREASING FUEL DIRECTIONS UNTIL SAID CROSS BAR ENGAGES SAID MEMBER AT BOTH OF SAID ABUTMENTS, ANY INCREASE IN SPEED THEREAFTER CAUSING THE INCREASING ASSEMBLY FORCE TO ALSO OPPOSE THE FORCE OF SAID SECOND MAXIMUM SPEED GOVERNOR SPRING.