Acceleration was constrained and smoothed through the use of pressure accumulator and relief valves located concerning the pump and motor, to prevent the unexpected alterations in velocity probable with direct hydraulic coupling. Subsequent versions incorporated preset swash plate motors and ball pumps.[citation required] In concept, a vehicle with a CVT https://jasperhnnnl.theideasblog.com/34665485/5-essential-elements-for-gearbox-cvt