Forward-reverse, steering. braking. ahd motor control

Abstract

Abstract FORWARD-REVERSE DRIVE CONTROL FOR A TRACTOR HAVING PLURAL ACTUATORS FOR STEERING AND FOR REVERSING THE DIRECTION OF MOTION OF THE TRACTOR. THE TRACTOR IS PROVIDED WITH A CONVENTIONAL ENGINE, AND AN ENGINE-DRIVEN POWER TRAIN COMPRISING DIRECTIONAL CLUTCH PACKS, STEERING DISKS ON ONE SIDE INCLUDING, E.G., A LEFT DRIVE DISK AND A LEFT PIVOT DISK, AND SIMILAR STEERING DISKS ON THE OTHER (RIGHT) SIDE. A STEERING LINKAGE IS PROVIDED TO RELEASE ONE DRIVE DISK UPON ACTUATION OF ONE ACTUATOR AND TO APPLY THE COMPANION PIVOT DISK UPON FURTHER ACTUATION OF THE ONE ACTUATOR, A SIMILAR LINKAGE IS PROVIDED BETWEEN THE OTHER DISKS AND ANOTHER ACTUATOR, OPERATOR''S BRAKE MEANS IS PROVIDED OPERABLE UPON ACTUATION OF THE THIRD ACTUATOR (FOOT BRAKE) TO APPLY BOTH PIVOT BRAKES ONLY, AUTOMATIC BRAKE MEANS IS PROVIDED, OPERABLE UPON ACTUATION OF THE FOURTH ACTUATOR (DIRECTIONAL CLUTCH SELECTOR ACTUATOR) AS IT PASSES THROUGH NEUTRAL, TO NEUTRALIZE THE CLUTCH PACKS AND TO APPLY BOTH PIVOT BRAKES AND TO DECELERATE THE ENGINE, AND A DELAY MEANS, OF A TYPE EFFECTIVE AFTER A DELAY PERIOD, IS PROVIDED TO REVERSELY ENGAGE THE CLUTCH PACK AND RELEASE THE PIVOT BRAKES AND REACCELERATE THE ENGINE.

Inventors

No inventors recorded.

Bibliographic Details