Patent ID: 7802737

Claim:
A self-contained vehicle mounted spray system, comprising: a spray material storage tank; a spray apparatus; a spray material pump located between said storage tank and said spray apparatus; a hydraulic motor for driving said spray material pump; a dedicated prime mover for the spray system; an RPM sensor for sensing rotation of said hydraulic motor; a digital positioning system comprising one of a global positioning system and a horn radar for wirelessly sensing a speed of the vehicle to which the spray system is mounted; and a micro controller; wherein said micro controller receives input information from said RPM sensor to determine an output flow of said spray material; wherein said micro controller receives input information from said digital positioning system regarding the speed of the vehicle; and wherein said micro controller proportionally adjusts a spray material flow to said spray apparatus based on the input information from said RPM sensor and said digital positioning system in order to meet a predetermined target spray application rate.