Heating – Tumbler-type rotary - drum furnace – Having combustion products generated in or fed to drum
Patent
1985-06-11
1986-12-02
Camby, John J.
Heating
Tumbler-type rotary - drum furnace
Having combustion products generated in or fed to drum
432113, 432222, F27B 736, F27B 706, F24H 100
Patent
active
046262016
ABSTRACT:
A combustion chamber for supplying heated air to a commercial dryer utilizes a back-mounted burner firing through coaxial cylinders of different diameters contained in the combustion chamber to heat air drawn through the larger cylinder. Additional fresh air in a secondary passage alongside the larger cylinder is selectively controlled to reduce the temperature of air flowing through the cylinder for the protection of the laundry articles in the dryer.
REFERENCES:
patent: 1311235 (1919-07-01), Kemp et al.
patent: 2486315 (1949-10-01), Morris
patent: 2654219 (1953-10-01), Zaba
patent: 3861865 (1975-01-01), Grantham
Bissell Henry M.
Camby John J.
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