Air-to-air heat exchanger

Details Air-to-air heat exchanger Air-to-air heat exchanger

1986-03-03

1987-03-31

Davis, Jr., Albert W.

Heat exchange

Structural installation

Related to wall, floor or ceiling structure of a chamber

165 76, 165 78, 165135, 165158, 165159, 165905, F24F 708, F24H 302

Patent

active

046535756

ABSTRACT:
A heat exchanger for ventilating insulated dwellings with minimum internal heat loss, is disclosed. The heat exchanger is characterized by its very low manufacturing cost, its excellent efficiency and its minimum and easy maintenance. The heat exchanger consists of an elongated box-like casing forming two opposite end chambers interconnected by a plurality of longitudinally-extending, thin walled glass tubes. Warm stale and humid air is expelled through the glass tubes from one to the other chamber, while cool outdoor drier air is circulated within the casing along a generally sinusoidal path about the glass tubes, so that a heat transfer occurs through the walls of the glass tubes. The casing is made of molded foam plastic for good heat insulation and in two half-parts having inner edges releasably and sealingly joined by a tongue-and-groove arrangement. Each half-part has a tongue and a groove, each extending along half the periphery of its inner edge, so that the half-parts can be made in the same mold. The casing is provided with a closure device, which can be easily released to open the two half-parts for easy maintenance of the inside of the heat exchanger.

REFERENCES:
patent: 1536675 (1925-05-01), Le Londe
patent: 2226243 (1940-12-01), Herz
patent: 4563126 (1986-01-01), Kobayashi et al.

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