Impingement heating or cooling apparatus that employs an axial flow fan, a plenum, collector and a columnating assembly for directing jets of a temperature controlled gas against the surface of a food product. Means for contacting a first layer of food products with impinging jets of a temperature controlled...http://www.google.fr/patents/US4750276?utm_source=gb-gplus-shareBrevet US4750276 - Impingement thermal treatment apparatus with collector plate
Impingement thermal treatment apparatus with collector plate
