Drying and gas or vapor contact with solids – Apparatus – With apparatus using centrifugal force
Patent
1985-02-12
1986-07-01
Makey, Albert J.
Drying and gas or vapor contact with solids
Apparatus
With apparatus using centrifugal force
34147, 34164, 34233, F26B 1710
Patent
active
045971900
ABSTRACT:
Disclosed herein is a machine for the continuous roasting of coffee, comprising transportation means having a product resting surface through which air is able to pass, for transferring the said coffee across closed surroundings into which hot air is injected; in practice, the said transportation means are constituted by a channel, with walls through some of which air can pass, shaped in the form of a cylindrical spiral on a vertical axis and bounded by a cylindrical casing coaxial thereto that is closed at the top and bottom and delimits the said enclosed surroundings; a vibrator causes the said coffee to rise up along the said spiral channel while the said hot air is forced, both by the said walls through which air can pass and by those through which air cannot pass, to follow a spiral path in the course of which the said hot air hits and envelops completely from below the said coffee, thereby performing the operations of roasting and hulling.
REFERENCES:
patent: 3084450 (1963-04-01), Hansen
patent: 3089253 (1963-05-01), Evans
patent: 4237622 (1980-12-01), Francis
Makey Albert J.
Officine Vittoria S.p.A.
Westphal David W.
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