Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F24
HEATING; RANGES; VENTILATING
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F24F
AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
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12/00
Use of energy recovery systems in air conditioning, ventilation or screening
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F24F12/001
with heat-exchange between supplied and exhausted air
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F24F12/002
using an intermediate heat-transfer fluid
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F24F12/003
using a heat pump
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