Patent ID: 8794003

Claim:
A refrigeration, heat or work production plant, comprising at least one modified Carnot machine formed by: a) a 1st assembly that comprises an evaporator (Evap) associated with a heat source, a condenser (Cond) associated with a heat sink, a device (PED) for pressurizing or expanding a working fluid G T , means for transferring the working fluid G T between the condenser (Cond) and the (PED) and between the evaporator (Evap) and the (PED); b) a 2nd assembly that comprises two transfer chambers (CT) and (CT′) that contain a transfer liquid L T and the working fluid G T in liquid and/or vapor form, the transfer liquid L T and the working fluid being two different fluids; c) means for the selective transfer of the working fluid G T between the condenser (Cond) and each of the transfer chambers (CT) and (CT′) on the one hand, and between the evaporator (Evap) and each of the transfer chambers (CT), and (CT′) on the other; and d) means for the selective transfer of the liquid L T between the transfer chambers (CT) and (CT′) and the compression or expansion device (PED), said means comprising at least one hydraulic converter.