F - Mech Eng,Light,Heat,Weapons – 25 – D
Patent
F - Mech Eng,Light,Heat,Weapons
25
D
F25D 23/06 (2006.01)
Patent
CA 2490777
A vacuum insulated refrigerator cabinet comprises an evacuation system for evacuating an insulation space (10) of the cabinet when pressure inside such space is higher than a predetermined value. It comprises a sensor device having an insulation reference element (14) located on one side of said insulation space (10) and temperature sensors (A, B, C) for assessing the differences of temperature (.DELTA.T1, .DELTA.T2) across the insulation space (10) and across the insulation reference element (14), such sensor device being suitable for providing the evacuation system with a signal related to the ratio of the above differences of temperature.
L'invention concerne un réfrigérateur à vide isolant qui comprend un système d'évacuation pour l'évacuation d'un espace isolant (10) lorsque la pression à l'intérieur de cet espace dépasse un seuil préétabli. Le système comporte un dispositif capteur avec un élément d'isolation de référence (14) situé sur un côté de l'espace isolant (10) et des capteurs de température (A, B, C) évaluant les différences de température (?T¿1?, ?T¿2?) dans l'espace isolant (10) et l'élément d'isolation de référence (14), et ce dispositif fournit au système d'évacuation un signal qui correspond au rapport entre les différences de température relevées.
Giudici Giorgio
Kirby David
Martinella Luigi
Corporation Whirlpool
Ridout & Maybee Llp
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