A different style of car ozone generator, with simpler high voltage circuitry and an alternative approach to using a neon indicator bulb as part of a dielectric discharge corona generator.

The most notable difference from some of the other in-car ozone units is that it uses a single transistor oscillator on the step-up circuit. It also uses a standard neon bulb as part of the dielectric barrier discharge assembly for creating a corona discharge to rearrange the air molecules.

Ozone and other short-lived active molecules are created when air passes through the corona discharge and gets split into individual atoms temporarily, before recombining in stable and unstable molecules like ozone (three atoms of oxygen.) ozone's great desire to get rid of its third atom of oxygen - to return to stable oxygen, results in molecular level oxidation of other molecules, including the ones associated with odours, bacteria and viruses.

The current used by this device is less than 20mA at 12V (quarter of a watt). But it actually may be producing a bit too much ozone for the interior of a car that is in use. Ozone is safe at very low levels, and is an essential part of outdoor air. But at high enough levels where you can smell it in a room or car, it is too high a level for continuous breathing. It may cause eye and respiratory tract irritation at high enough levels.



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