A vehicle is disclosed comprising, among other features, an engine and a speed control unit for controlling the engine speed and a top speed of the vehicle. The speed control unit comprises: a guillotine air valve positioned intermediate an air intake and the engine, the guillotine air valve being connected to a diaphragm; and a controller assembly for opening and closing the guillotine air valve, the controller assembly including a speed sensing mechanism and a controlling unit for opening and closing the guillotine air valve, wherein the controlling unit raises the diaphragm and maintains the guillotine air valve in an open position when the vehicle is operating at a speed below an upper limit. In some embodiments, the vehicle is classified as a tractor.
TRACTOR VEHICLE
VEHICULE TRACTEUR
2018-04-24
Patent
Electronic Resource
English