Heat exchange – Structural installation – Related to wall – floor or ceiling structure of a chamber
Patent
1985-06-17
1987-09-08
Schwartz, Larry I.
Heat exchange
Structural installation
Related to wall, floor or ceiling structure of a chamber
165164, F24H 302
Patent
active
046917632
ABSTRACT:
Disclosed is a ventilator including a heat exchanger having a fresh air channel and a stale air channel. The respective channels are pneumatically isolated, but, are arranged in contiguous and interwoven fashion such that incoming fresh air may pass in countercurrent heat exchange relation to the outgoing stale air twice. The fresh air channel has an inlet in communication with air external to the ventilated space and an outlet in communication with the ventilated space. The stale air channel has an inlet in communication with the ventilated space and an outlet in communication with the external space. The heat exchanger features heat transfer means in communication with the fresh and stale air channels which is formed by a septum having a first surface in heat exchange relation with the fresh air channel and a second surface in heat exchange relation with the stale air channel. The septum is wrapped in successive spaced turns to form alternating sections of the fresh air and stale air channels. The resulting combination of channel sections has a generally elliptically shaped profile, and includes two pseudo foci at one of which the fresh air outlet is located and at the other of which the stale air inlet is located. The fresh air inlet and the stale air outlet are locates at the other respective channel ends.
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Brother Albert Welsh Foundation
Schwartz Larry I.
Scifo Paul C.
Warner Steven E.
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