Method of, and apparatus for, treating the waste air from heated laundry machines
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United States of America Patent
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Oct 29, 2013
Grant Date -
May 6, 2010
app pub date -
Oct 28, 2009
filing date -
Oct 31, 2008
priority date (Note) -
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Abstract
Humid waste air is produced in heated laundry machines. This humid waste air has a still relatively high temperature. In order for the energy contained in the humid waste air to be recovered, at least in part, the humid waste air is directed through a heat exchanger (12). Condensate is produced in the heat exchanger (12), and it has proven difficult, in the case of known heat exchangers (12), for this condensate to be directed away. Moreover, the humid waste air contains accompanying substances, for example fluff from the treated laundry. These accompanying substances are deposited in known heat exchangers (12), which adversely affect the efficiency of the heat exchanger (12) over time. The invention makes provision for the heat exchanger (12) to be equipped with upright heat-exchanger plates (13), from which the condensate can run off. The condensate can then be discharged in a specific manner out of the heat exchanger (12). The invention further provides for the accompanying substances to be separated from the humid waste air at least in part in the heat exchanger (12) and to be directed away together with the condensate. It is thus no longer possible for the accompanying substances to settle in the heat exchanger (12) and adversely affect its effectiveness.
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