Patent ID: 7198765

Claim:
An ozonizer comprising: a plurality of electrode modules laminated in a plurality of layers, each electrode module comprising a first electrode, a second electrode facing a main surface of said first electrode, a flat dielectric plate, and gap spacers, wherein said spacers and said dielectric plate are located between said first electrode and said second electrode, said gap spacers being disposed between said dielectric plate and said first electrode and defining a discharge space between said dielectric plate and said first electrode, wherein the discharge space is divided into a plurality of discharge regions of substantially uniform size and shape, arranged in a pattern within the discharge space, each of said discharge regions receiving oxygen at all of a respective periphery of said discharge region, said first electrode includes a plurality of ozone gas retrieving holes, one of said ozone gas retrieving holes being located centrally within each of said discharge regions, and said first electrode includes an ozone gas passage communicating with each of said ozone gas retrieving holes for extracting ozone generated in said discharge regions, said ozone gas passage being located between an electrode surface facing said second electrode and a side portion of said first electrode, so that when an alternating current is applied between said first electrode and said second electrode, a discharge occurs in said discharge regions to which oxygen is supplied, ozone is generated and the ozone generated is collected through said ozone gas retrieving holes in said first electro and said ozone gas passage in said first electrode.