Whirlpool Corporation
GETTER ACTIVATION UNDER VACUUM

Abstract:

A vacuum insulated compartment includes an outer wrapper and an inner liner that is sealed to the outer wrapper. A cavity is defined therebetween. The cavity includes a negative pressure. An insulation material is disposed in the cavity. A getter assembly is disposed in the cavity and includes a primary getter material that is deposited on a plate. A cover layer is deposited over the primary getter material on the plate. A vessel is nested within the primary getter material. A secondary getter material is disposed within the vessel. A protective enclosure is disposed around the getter assembly.