Patent ID: 6421953
Filing Date: 2002-07-23
Classification: A01G,E01C

Abstract:
A system for treating the playing surface of a sod athletic field to adjust the temperature of said surface comprising a source of low pressure, high volume air flow, a radiator for adjusting the temperature of said air flow having an intake and an exhaust, said intake connected to said source, said exhaust connected to a distribution line, said line connected to at least one nozzle, said nozzle adapted to be located adjacent said field and being movable between an at-rest position on said surface and an activated position above said surface, said air flow exiting said nozzle in said activated position to provide a thin layer of air above said surface at a preselected temperature wherein said source is connected to a manual time delay switch, said time delay switch adjustable to preselected periods of time, said time delay switch adapted to be located said sod athletic field whereby said air flow may be temporarily halted manually and automatically resume after a preselected period of time.