| 摘要 |
A reflector unit, in particular for infrared tubes, in which in order to improve cooling and facilitate the fastening of U-shaped reflector units of the beam tubes on the surface opposite the reflector surface (18) a groove (19) is provided which extends in the longitudinal central plane of the reflector unit. Located on the edge of fork-shaped segments (25) which fix the U-shaped construction of the reflector units, is a longitudinal groove (26), facing outwards, for accommodating a reflector plate (10) which surrounds the reflector unit. A cooling flange (27) is provided on either side of the longitudinal centre plane; the base of the cooling flange is situated essentially at the level of the beam tube (17) and extends obliquely outwards or upwards essentially as far as the level of the upper edges of the side walls which fix the groove (19). The position at which the cooling flanges (27) are provided does not prevent any elastic deformation of the fork-shaped segments of the U-shaped reflector unit, said elastic deformation being necessary in order to allow insertion and assembly in the reflector plate (10). <IMAGE>
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