HEAT TRANSFER UNIT FOR HEATING SYSTEMS AND SUREFACES AND RAILWAY POINT HEATER
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United States of America Patent
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app pub date -
Apr 23, 2008
filing date -
Apr 25, 2007
priority date (Note) -
Abandoned
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Abstract
The invention relates to a heat transfer unit (1) for heating systems and surfaces, which can be connected to at least one geothermal energy probe (21) as a heat source (2) operating with a multi-phase working fluid and to a component to be heated, and which comprises at least one heat exchanger (11) and transport lines (12) for the gaseous or liquid working fluid. At least one gas-tight heat exchanger (11) is designed in module form having a plurality of directly adjoining modular mini-channels (111), depending on the power requirements, in a planar arrangement for transferring the latent heat arising from the heat source (2) from the heated gaseous portion of the working fluid to the component (3) to be heated, said mini-channels (111) being connected to at least one supply channel (114, 115) and having a diameter of 0.3 to 6 mm. The heat transfer unit (1) can be integrated into the region of a switch blade (32) as a railway point heater.
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