Heat exchange – With first fluid holder or collector open to second fluid
Patent
1982-04-09
1984-07-24
Richter, Sheldon J.
Heat exchange
With first fluid holder or collector open to second fluid
165165, 165DIG12, F28B 908, F28F 312
Patent
active
044613440
ABSTRACT:
A heat exchanger for energy efficient ventilation of buildings is described. The heat exchanger has a core structure defined by a plurality of rectangular sheets of an extruded, cellular plastic material disposed in parallel, spaced-apart relationship. The cells of the sheets provide a first set of flow paths extending between ends of the core structure for use in passing cold fresh air. The spaces between the sheets are sealed at each end of the core structure, and a cellular plastic sealing material is wrapped about the sides, top and bottom of the core structure and apertured at opposite ends to access the spaces, so that the spaces between the sheets define a second set of flow paths for passing stale warm air. A drainage aperture is provided in an inner face of a bottom sheets of the sealing sheet, where condensation tends to accumulate. The drainage aperture permits condensation to escape through the cells of the bottom sheet. The heat exchanger also includes a housing that elevates one end of the core structure even when the housing is horizontally oriented to facilitate drainage, and that provides manifolds to access the flow paths.
REFERENCES:
patent: 2601973 (1952-07-01), Jensen
patent: 3363681 (1968-01-01), Revilock et al.
patent: 3495656 (1970-02-01), Dickson
patent: 4041592 (1977-08-01), Kelm
patent: 4401155 (1983-08-01), Royal et al.
Allen Greg
Swift Wesley
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