F - Mech Eng,Light,Heat,Weapons – 25 – D
Patent
F - Mech Eng,Light,Heat,Weapons
25
D
F25D 23/06 (2006.01)
Patent
CA 2490776
A vacuum insulated refrigerator cabinet comprises an evacuation system for evacuating an insulation space (10, 12) of the cabinet when pressure inside such space is higher than a predetermined value. The cabinet presents sensor means comprising a temperature sensor (14) and a heater (18) both located within the insulation space (10, 12) and a control system (16) for activating the heater (18) according to a predetermined heating cycle and for receiving a signal from the temperature sensor (14), such control system being able to provide the evacuation system with a signal related to the insulation level within the insulation space.
L'invention concerne un meuble réfrigérant isolé par du vide et comprenant un système d'évacuation destiné à la mise sous vide d'un espace d'isolation (10, 12) du meuble lorsque la pression à l'intérieur d'un tel espace est supérieure à une valeur prédéterminée. Le meuble comprend un moyen de détection comportant un capteur de température (14) et un chauffage (18) situés l'un et l'autre dans l'espace d'isolation (10, 12) et un système de commande (16) permettant d'activer le chauffage (18) selon un cycle de chauffage prédéterminé et de recevoir un signal provenant du capteur de température (14). Un tel système de commande est capable de fournir au système de mise sous vide un signal lié au niveau d'isolation régnant dans l'espace d'isolation.
Giudici Giorgio
Kirby David
Martinella Luigi
Corporation Whirlpool
Ridout & Maybee Llp
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