Coffee roaster

Details Coffee roaster Coffee roaster

1979-08-17

1981-06-09

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

Stationary receptacle or tube with agitator or conveyor

34233, 99286, F26B 908

Patent

active

042716039

ABSTRACT:
A personal coffee roaster for effecting roasting of small quantities of green coffee beans and having limited physical size and weight, has a roasting chamber with at least one perforate wall, elements for creating a heated gaseous flow through the perforate wall into the roasting chamber and an exit orifice leading from the roasting chamber, in gaseous communication therewith, for providing an outlet for the heated gas flow. The apparatus further has an air flow rate controlling element for variably controlling the rate of flow of the heated gas through the roasting chamber. The roasting chamber, stirring elements therein, and a driven rotating shaft are inclined to a vertical axis for effecting better tumbling action and stirring within the roasting chamber.

REFERENCES:
patent: 262390 (1882-08-01), Fisher
patent: 1665778 (1928-04-01), Frederickson
patent: 1985604 (1934-12-01), Fitzgerald
patent: 2069193 (1937-01-01), Behr et al.
patent: 2326094 (1943-08-01), Cusack et al.
patent: 2451462 (1948-10-01), Yglesias-Paz

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