Method and arrangement for controlling heat transfer in ventilation Apparatus or air conditioning apparatus
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United States of America Patent
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Sep 15, 1998
Grant Date -
N/A
app pub date -
Apr 30, 1996
filing date -
Jul 7, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and an arrangement for controlling heat transfer in a ventilation apparatus or an air conditioning apparatus, in which heat contained in exhaust air is recovered into supply air by means of a heat transfer circuit having fluid circulation. Additional heating or additional cooling energy is supplied to the heat transfer circuit when the heat transfer is insufficient for maintaining a desired temperature of the supply air. To optimize the heat recovery, the supply of additional heating or cooling energy is minimized by measuring the temperatures and fluid flows of the heat transfer fluid and of the additional energy.
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