By compressing the gas entering into the cylinder (6) from the outside by means of a piston (4), it increases the temperature of the gas, in thermal communication with heated gas and ferromagnetic material (9) in the magnetic (7) environment,to ensure the transition to the paramagnetic phase and from the coil (8) around the material (9) with the change of the magnetic flux formed to obtain electrical energy. When the piston (4) goes up, the temperature of the gas in the cylinder (6) decreases and material (9) again passes to the ferromagnetic phase and to obtain electrical energy from the coil (8). To return the pressure and heat energy remaining in the gas in cylinder (6) to the system via the piston (4). In this way, the energy spent while cooling the external environment to regain as electrical energy.
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