Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 22, 2008
Patent Application Number
10531820
Date Filed
October 15, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A refrigerating device including a hollow-walled housing surrounding a first and a second storage compartment. A vacuum pump is controllably connected via a suction line to the hollow chamber of the housing and to one of the storage compartments. The pump is controlled to maintain a desired pressure range in both the housing and the storage compartment.
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