Apparatus for conditioning particulate material
AssigneeBlaw-Knox Food and Chemical Equipment, Inc.
InventorsJack Wireman, Daniel R. Wireman
Life of this patent
Estimating the term…
Abstract
A controlled spinning bed of particulate material such as coffee beans or the like is formed and maintained in a stationary chamber, the particulate material is mixed and uniformly conditioned. For example, coffee beans are uniformly roasted within a relatively short time and cooled in a similar but separate chamber with or without an intermediate quench.
Claims21
Apparatus for heating particulate vegetable material comprising a chamber for receiving the particulate vegetable material said chamber having a generally circular base and an upwardly extending divergent wall defining a segment of a cone with a central axis and a plurality of openings in said wall, means for heating a fluid mass, means for inducing the heated fluid mass generally tangentially into said chamber to rotate the vegetable material about the axis with relative movement with respect to said chamber and for maintaining the rotating vegetable material in a relatively densely packed state during the heating thereof, exit means in an upper portion of said chamber for allowing the heated fluid mass and any chaff produced thereby to leave the chamber and means for removing the material from said chamber.
Dependencies are inferred from the claim text.