FIELD: engines and pumps.
SUBSTANCE: throttle-free heat pump unit comprises heating and cooling circuits, compressors are positioned between the circuits. An additional reservoir containing a coolant is connected to the copper pipe on the side of the cooling circuit and upstream of the compressor via a motor operated valve.
EFFECT: invention use allows to perform heating and cooling of gases, liquids and solids, dehumidification of air and heat recovery with the possibility of independent control of heating and cooling circuits' temperature parameters.
1 dwg
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