Apparatus for increasing a transfer of thermal energy...

Details Apparatus for increasing a transfer of thermal energy... Apparatus for increasing a transfer of thermal energy...

2007-02-20

2007-02-20

Walberg, Teresa J. (Department: 3753)

Heat exchange

Movable heating or cooling surface

Rotary drum

C165S090000

Reexamination Certificate

active

11301356

ABSTRACT:
An apparatus is disclosed for increasing a transfer of thermal energy through an inner surface of a hollow cylindrical dryer of a papermaking machine to a peripheral outer surface of the dryer. The apparatus includes a plurality of bars of rectangular cross-sectional configuration, each of the bars extending axially within the dryer. The bars are disposed spaced and parallel relative to each other with each of the bars being urged outwardly against the inner surface of the dryer. A mechanism is provided for urging each of the bars radially outward against the inner surface of the dryer. The mechanism includes a plurality of hoop rings which are spaced axially within the dryer, each hoop ring being disposed normal to an axis of rotation of the dryer.

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