Pocket ventilator

Details Pocket ventilator Pocket ventilator

1990-06-14

1991-12-24

Yeung, James C.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34111, 34114, 34116, F26B 300

Patent

active

050742787

ABSTRACT:
A pocket ventilation system for the dryer section of a paper machine. The ventilation system comprises a plenum with a plurality of orifices producing medium velocity air jets injecting air in the pocket through the dryer fabric, and an orifice producing a high velocity air jet creating a negative pressure zone extracting moisture laden air from the pocket.

REFERENCES:
patent: 3110575 (1963-11-01), Justus
patent: 3384973 (1968-05-01), Johansson
patent: 3388479 (1968-06-01), Gardner
patent: 4505052 (1985-03-01), Osswald et al.
patent: 4602439 (1986-07-01), Eskelinen et al.

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