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    • 3. 发明授权
    • Ultraviolet lamp fixture
    • ULTRAVIOLET灯具
    • US3846072A
    • 1974-11-05
    • US37457673
    • 1973-06-28
    • PATTERSON L
    • PATTERSON L
    • A61L9/20F24F3/16A61L9/00H05B33/02
    • A61L9/20F24F3/16
    • 1. An ultraviolet lamp fixture for purifying the air within a room, said fixture comprising a housing having means for suspending said fixture from the ceiling of said room, the bottom wall of said housing having a longitudinally extending opening defining an air inlet through which the air in said room is communicated to the interior of said fixture, an elongated ultraviolet ray tube mounted in said housing above said air inlet; a longitudinally disposed air deflector wall mounted in said housing above said tube, the opposite longitudinal ends of said deflector wall being longitudinally space from the end walls of said housing, said longitudinal ends of said deflector wall and terminating in an intake opening; a motorized fan supported by the top wall of said fixture housing and disposed immediately above said deflector wall intake opening for positively moving air from said room into said housing at said air inlet end and through said longitudinal wall intake opening to the space behind said deflector wall, said housing having a plurality of apertures on said opposite longitudinal end walls and said top wall for exhausting air from said space to said room, a portion of said air flowing through said space passing between said end walls and said opposite ends of said deflector wall for recirculation through said intake opening, whereby all of the air entering said housing through said air inlet is passed over said tube and the stream of air entering said housing and exhausted back to said room is purified by the radiation emitted by said tube.