Vacuum insulated refrigerator cabinet and method for evacuating the gas-tight insulated wall thereof
AssigneeWhirlpool Corporation
InventorsGiorgio Giudici, David B. Kirby, Luigi Martinella, Beat D. Stocker
Life of this patent
Estimating the term…
Abstract
A vacuum insulated refrigerator cabinet comprises a substantially gas-tight container that is filled with a porous core and a gas absorber that communicates with said container and is filled with a gas adsorbent material. Between the container and the gas absorber there is provided a valve adapted to close the communication between the container and the gas absorber, and a heater is provided for heating the gas absorber in order to evacuate gases when the valve is closed.
Claims10
A vacuum insulated refrigerator cabinet comprising a pair of walls that form a substantially gas-tight container being filled with an insulation material, and a gas-storage container in communication with the container and being filled with a gas adsorbent material, wherein between the container and the gas-storage container there is provided a valve adapted to close the communication between the container and the gas-storage container, and in that a heater is provided for heating the gas-storage container in order to evacuate gases when the valve is closed.
A method for evacuating a substantially gas-tight container of a vacuum insulated refrigerator cabinet that is filled with an insulation material and communicates with a gas-storage container filled with a gas adsorbent material, the method comprising the steps of closing the communication between the container and the gas-storage container, and heating the gas-storage container in order to desorb gases from said gas-storage container.
Dependencies are inferred from the claim text.