Air conditioning system for buildings and air-conditioned...

Stoves and furnaces – Solar heat collector – Including means to utilize fluent medium from collector to...

Reexamination Certificate

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Details

C126S620000, C126S621000, C165S048200, C165S053000, C052S173300

Reexamination Certificate

active

07028685

ABSTRACT:
A method of air-conditioning a building with low heat loss, having the following steps: providing a fresh-air/outgoing-air system for feeding fresh air through a heat accumulator being located beneath said building and extracting said outgoing air through the heat accumulator; routing the fresh-air and the outgoing air in first and second tubes, where the first tubes are nested in the second tubes so as to recover heat energy present in the outgoing air.

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patent: WO 97/30316 (1997-08-01), None

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