Vacuum port positioning for vacuum drying systems
AssigneeHeatWave Drying Systems Ltd.
InventorsGary Kenneth Kooznetsoff, Robert Lewis Zwick
Life of this patent
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Abstract
A vacuum drying system wherein the drying chamber is provided with at least two vacuum draw headers positioned one above and one below a median plane through a load being dried to draw gases substantially symmetrically from opposite sides of the load as it is being dried. Preferably the drying system is a dielectric drying system and headers are positioned on opposite sides of the load.
Claims40
A vacuum drying system comprising a sealable drying chamber, vacuum draw means for withdrawing gases and vapors from said drying chamber during drying a load, the improvement comprising at least two vacuum draw outlet headers composed of an upper vacuum outlet header positioned to withdraw said gases and vapors preferentially from above a substantially horizontal medial plane of said load in drying position in said chamber and at least one lower vacuum outlet header positioned to withdraw said gases and vapors preferentially from below said medial plane of said load, said lower header being positioned above the a bottom of said drying chamber.
Dependencies are inferred from the claim text.