Drum type heat exchanger

Heat exchange – Movable heating or cooling surface – Rotary drum

Reexamination Certificate

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Details

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.

REFERENCES:
patent: 1654294 (1927-12-01), Ljungstrom
patent: 1823481 (1931-09-01), Zander
patent: 1970127 (1934-08-01), Colby et al.
patent: 3294156 (1966-12-01), Beaufrere et al.
patent: 3778874 (1973-12-01), Norback
patent: 4596284 (1986-06-01), Honmann
patent: 4871607 (1989-10-01), Kuma et al.
patent: 5595238 (1997-01-01), Mark et al.
patent: 6039109 (2000-03-01), Chagnot et al.
patent: 2002/0139514 (2002-10-01), Lagace et al.
patent: 2003/0075304 (2003-04-01), Adamcyzk

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