Air-cushion nozzle for drying apparatus

Details Air-cushion nozzle for drying apparatus Air-cushion nozzle for drying apparatus

1997-05-14

1998-11-03

Doerrler, William

Drying and gas or vapor contact with solids

Apparatus

Sheet, web, or strand

226 973, 24261511, 34655, 34460, F26B 1300

Patent

active

058291660

ABSTRACT:
An air-cushion nozzle for an air-treatment device has a hollow housing having an upper wall formed by a pair of end plates and a central plate. The end plates form with the central plate a pair of generally parallel slots directed upwardly generally toward each other and one of the end plates is formed adjacent and along a full length of the respective slot with an array of throughgoing holes. The central plate is substantially imperforate between the slots. The housing is internally pressurized, normally with hot air, to form from each slot an upwardly directed elongated jet of air and from each of the holes a respective upwardly directed further jet of air.

REFERENCES:
patent: 4058244 (1977-11-01), Vits
patent: 4074841 (1978-02-01), Kramer
patent: 4290210 (1981-09-01), Johansson
patent: 4308984 (1982-01-01), Vits
patent: 4384666 (1983-05-01), Koponen et al.
patent: 4932140 (1990-06-01), Lepisto
patent: 5014447 (1991-05-01), Hagen
patent: 5299364 (1994-04-01), Heikkila et al.

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