Heat exchange – Movable heating or cooling surface – Rotary drum
Reexamination Certificate
2006-06-20
2006-06-20
Duong, Tho (Department: 3753)
Heat exchange
Movable heating or cooling surface
Rotary drum
C165S059000, C165S008000
Reexamination Certificate
active
07063128
ABSTRACT:
A drum type heat exchanger for effectively ventilating and purifying room air of a factory, a building or a house and the like is described. The drum type heat exchanger has heat transfer means with a drum shape and thus an entire size is reduced as much as possible and become compact, such that a handling and an installation is easy, a thermal efficiency to an installation space of the heat transfer means is maximized, and overall maintenance and repair such as a check or exchange of the heat transfer means are easy. Additionally, the drum type heat exchanger uses a drum with a short radius of rotation so that an entire operation cycle time is shortened and a heat transfer area is sufficiently secured in order to keep the thermal efficiency high.
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Daeryun Ind Co., Ltd
Duong Tho
Mathews, Shepherd, McKay & Bruneau, P.A.
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