| 摘要 |
FIELD: air coolers. ^ SUBSTANCE: proposed air cooler is provided with axial-flow fan and defrosting unit located inside vortex-type heat exchanger; defrosting unit has shaft, fixed screw with nut, key, bush and holder with cleaning plates mounted on this bush. Mounted in hollow shaft over entire length is fixed screw with nut connected with bush freely located on shaft by means of key; vortex-type heat exchanger has two or more longitudinal passages on its lateral surface with swivel flaps for control of air flow. ^ EFFECT: increased thermal flux. ^ 3 cl, 4 dwg |
