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Patent abstract
A convection current vacuum freeze drying apparatus is disclosed which includes a dryer chamber unit comprising a plurality of trays for depositing products to be freeze dried; a convection current condenser unit, mechanically connected to the dryer chamber unit, comprising a plurality of first elongate heat exchange tubes each having fins arranged around an outer circumference of the first elongate heat exchange tube; a refrigerator unit mechanically connected to the convection current condenser unit, operable to provide cold temperature to the plurality of elongate heat exchange tubes; a cooling tower unit mechanically connected to the convection current condenser unit; a primary vacuum pump unit, mechanically connected to the convection current condenser unit and the cooling tower unit, operable to provide a vacuum pressure to said convection current condenser unit; and a heater unit mechanically connected to provide a heat energy to both the dryer chamber unit and the convection current condenser unit.
Source record
Technical and legal facts were reconciled against the referenced U.S. patent publication source and IP Group's certificate register.
