Ventilator with heat exchanger
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United States of America Patent
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-
Apr 8, 1980
Grant Date -
N/A
app pub date -
Sep 12, 1977
filing date -
Sep 12, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A ventilator having a rotating drumlike heat exchanging fan and a housing with separation walls and a stationary conical member arranged in the hollow of the fan. Separation walls cooperating with external and internal sides of the fan have lips arranged according to the specification.
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