Patent ID: 8016213

Claim:
A coating dispensing device including a trigger assembly for actuating the coating dispensing device to dispense coating material, and a nozzle through which the coating material is dispensed, a first port adapted to supply compressed gas to the coating dispensing device, a second port adapted to supply coating material to the coating dispensing device, a generator having a shaft, a turbine wheel mounted on the shaft, compressed gas coupled to the first port impinging upon the turbine wheel to spin the shaft, producing voltage, an electrode adjacent the nozzle and coupled to the generator to receive electricity therefrom to electrostatically charge the coating material, and a regulator coupled to the generator for regulating the voltage generated by the generator, compressed gas which spins the turbine wheel also flowing past the regulator to remove heat from components of the regulator, the regulator includes an output voltage adjusting circuit adapted to load the generator, causing the generator's speed to drop, producing a lower generator output voltage, the output voltage adjusting circuit including a magnetically actuated switch controlling current flow through the output voltage adjusting circuit, and a magnet movable to actuate the magnetically actuated switch selectively to place the output voltage adjusting circuit in the regulator and remove the output voltage adjusting circuit from the regulator.