Abstract: A pulse train generating circuit for accurately controlling the ozone production of an ozone generator, is disclosed. The ozone generator may be an electrode type ozone generator or a laser type ozone generator. The circuit generates a first signal indicative of the target rate of ozone production. A control signal of a predetermined length first time period having enable and disable portions is then generated. The temporal sum of the enable portions in each separate time period of the control signal is representative of the target rate of ozone production. A train of pulses corresponding to the enable portions of the control signal is passed by a pulse train gate, and is fed to the ozone generator so as to cause generation of ozone. The amount of ozone generated during the first time period is directly related to the temporal sum of the pulses in the train of pulses, so as to thereby provide accurate control of the amount of ozone being generated.

Abstract: An improved ozone generator for small portable systems formed in the shape of a replacable module. The high voltage electrode in the center of the generator is of a boxlike construction with one end open towards the generator outlet port and with the sides made from perforated stainless steel in order to supply multiple outlets for the formed ozone from the corona discharge gap, which will reduce the amount of dissociation of ozone and the amount of nitric acids formed. The high voltage electrode is suspended in the center of the generator by means of 4 ceramic spacers. The potential area of surface contamination caused by impurities in the feed gas and leading to generator failure is therefore limited to the said spacers.The generator has removable thermal pads that are used in order to retain the heat in applications where the generator produces small amounts of ozone, otherwise they are removed to allow for air cooling.