MICROWAVE EXCITED ULTRAVIOLET LAMP SYSTEM WITH IMPROVED LAMP COOLING

摘要

A reflector (42) for use in a microwave excited ultraviolet lamp system (10) having a plasma lamp bulb (20). The reflector (42) includes a pair of longitudinally extending reflector panels (46) that are mounted in opposing, i.e., mirror facing relationship, and in space relationship to the plasma lamp bulb (20). A longitudinally extending intermediate member (52) is mounted in spaced relationship to the pair of reflector panels (46) and to the plasma lamp bulb (20). The reflector panels (46) and the intermediate member (52) form a pair of longitudinally extending slots (64) that are operable to pass air toward the plasma lamp bulb (20) to envelop the bulb (20) effectively entirely about its outer surface. Alternatively, the pair of reflector panels (46e) are connected to longitudinally extending edges (58e) of the intermediate member (52e). The intermediate member (52e) includes multiple apertures (78) formed therethrough that are operable to pass air toward the bulb (20) to envelope the bulb (20) effectively entirely about its outer surface. A method of cooling a plasma lamp bulb (20) in a microwave excited ultravoilet lamp system (10) is also disclosed.