| 摘要 |
<p>A ground-free device for removing static charge from semi-conductive or conductive bodies, and particularly useful for transportation vehicles (202), uses a capacitor (204) to effect and accelerate the discharge of static electricity from a charged body into surrounding air. The capacitor (204) activates a voltage-controlled oscillator (208) by which an efficiency of discharge of 100 % can be achieved. The voltage-controlled oscillator (208) senses voltage of the capacitor (204) and generates high voltage pulses of frequency that is proportional to the amount of charge on the body. High voltage, in turn, effects the removal of charges by means of air ionizer. The air ionizer (218) having an electrode (220) within a chamber and at least one needle electrode (224) positioned in proximity to the end of the chamber. A high voltage is imposed between the chamber and the electrode for discharging a body susceptible to static charge build-up.</p> |
