Compact dryer for two web stretches

Details Compact dryer for two web stretches Compact dryer for two web stretches

1983-01-24

1984-10-02

Camby, John J.

Heating

Advancing structure flexing, looping or coiling sheet, web...

34156, 432222, F26B 1300, F27B 928, F24H 100

Patent

active

044744960

ABSTRACT:
A web dryer for upper and lower stretches of horizontally extending lengthwise moving web, having stacked air bar assemblies of the compact type, has a single burner for supplying hot gases to the two air bar assemblies that are between the stretches. The burner projects into an inlet section of a T-shaped duct, which has branches terminating at a pair of outlets, each opening to, but spaced from, the air inlet of the blower for one of said two assemblies. A deflector plate in the inlet section of the T-shaped duct, swingable about an upright axis at the downstream end of that section, apportions burner combustion products between the branches. The burner is controlled by a thermostat in the header of the lower of said two assemblies, the deflector plate by a thermostat in the header of the upper of said two assemblies.

REFERENCES:
patent: 2695252 (1954-11-01), Nickelsen et al.
patent: 3151954 (1964-10-01), Ege
patent: 3371427 (1968-05-01), Thygeson
patent: 3473972 (1969-10-01), Arnold et al.
patent: 3559301 (1971-02-01), Fraser
patent: 3964656 (1976-06-01), Hella
patent: 4341024 (1982-07-01), Witkin
patent: 4425715 (1984-01-01), Klein et al.

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