Patent ID: 11952941
Assignee: KOBE STEEL, LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 4:
5. The compressed air energy storage power generation device according to claim 1, further comprising:
a heat exchange part that is disposed on a high-pressure side of the compressor/expander combined machine and has a function of exchanging heat between the compressed air generated by the compressor/expander combined machine and a heat medium to heat the heat medium and cool the compressed air, and a function of exchanging heat between the compressed air supplied to the compressor/expander combined machine and the heat medium to cool the heat medium and heat the compressed air;
a high-temperature heat storage part that is fluidly connected to the heat exchange part and stores the heat medium heated by the heat exchange part;
a low-temperature heat storage part that is fluidly connected to the heat exchange part and stores the heat medium cooled by the heat exchange part; and
a pressure equalizing part that equalizes pressures of the high-temperature heat storage part and the low-temperature heat storage part.