| 摘要 |
FIELD: applicable in automobiles of all types, on ships, in aircraft and railway transport facilities. SUBSTANCE: heat-exchange module is manufactured by stacking of plates 2 furnished with holes 3 and subsequent joining of separate plates 2 of the stack; each plate 2 or group of stack plates is turned relative to preceding plate 2 or group of plates through angle alpha=0 to 30 deg., holes 3 form helical ducts 4. EFFECT: enhanced efficiency. 3 cl, 2 dwg1 |
