A - Human Necessities – 23 – B
Patent
A - Human Necessities
23
B
A23B 4/06 (2006.01) A23L 3/36 (2006.01) A23L 3/375 (2006.01) A23P 1/08 (2006.01) F25B 41/04 (2006.01) F25D 13/06 (2006.01) F25D 17/02 (2006.01) F25D 25/02 (2006.01) F25D 3/11 (2006.01) F25D 29/00 (2006.01)
Patent
CA 2435214
Disclosed are a method and apparatus for chilling food product, employing (A) cooling means comprising (1) a rotatable drum (1), (2) means in said drum for urging pieces through said drum, (3) cryogen dispensing means (6), and (4) means for rotating said drum (1); (B) feeding means (11) which includes means for automatically sensing the mass flow rate at which said pieces are being fed into said inlet and for generating electrical signals corresponding to said rate; (C) electronic control means responsive to said signals and temperature inputs for preventing premature flow of cryogen and for automatically controlling the rate at which cryogen is fed so as to lower the temperature of said pieces to the desired exit temperature.
L'invention concerne un procédé et un appareil de réfrigération de denrées alimentaires, utilisant (A) un dispositif de refroidissement qui comporte (1) un tambour rotatif (1), (2) un dispositif logé dans le tambour qui pousse les articles dans ledit tambour, (3) un dispositif d'alimentation en liquide cryogénique (6), et (4) un dispositif de rotation dudit tambour (1); (B) un dispositif d'alimentation (11) qui comporte un moyen pour détecter automatiquement le débit massique selon lequel les pièces sont alimentées dans l'entrée, et pour émettre des signaux électriques correspondant à ce débit; et (C) un dispositif de commande électronique sensible aux signaux précités et aux entrées de température pour empêcher l'écoulement prématuré du liquide cryogénique et réguler automatiquement sa vitesse d'alimentation de manière à réduire la température desdites pièces jusqu'à la température de sortie souhaitée.
Chamberlain Robert J.
Lang Gary D.
Praxair Technology Inc.
Sim & Mcburney
LandOfFree
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