A power generating system is integrally provided with a gas turbine engine and a solid electrolyte type fuel cell. A compressor wheel, a turbine wheel, a heat exchanger and a burner of the gas turbine engine and the solid electrolyte type fuel cell are of axially symmetric shapes having a common axi
A power generating system is integrally provided with a gas turbine engine and a solid electrolyte type fuel cell. A compressor wheel, a turbine wheel, a heat exchanger and a burner of the gas turbine engine and the solid electrolyte type fuel cell are of axially symmetric shapes having a common axis of a rotary section comprising the compressor wheel and the turbine wheel. The heat exchanger and the solid electrolyte type fuel cell are disposed sequentially on one side in a direction of the axis with respect to the rotary section. This layout ensures that the entire power generating system can be compactly constructed, and further the flow rates of compressed air and exhaust gas can be made uniform, and the flows of the compressed air and the exhaust gas can be smoothened, thereby reducing the pressure loss and enhancing the power generating efficiency.
대표청구항▼
What is claimed is: 1. A power generating system integrally provided with a gas turbine engine and a solid electrolyte type fuel cell, said gas turbine engine including a compressor wheel, a turbine wheel, a heat exchanger and a burner, said compressor wheel being adapted to supply compressed air t
What is claimed is: 1. A power generating system integrally provided with a gas turbine engine and a solid electrolyte type fuel cell, said gas turbine engine including a compressor wheel, a turbine wheel, a heat exchanger and a burner, said compressor wheel being adapted to supply compressed air through the heat exchanger to the solid electrolyte type fuel cell and the burner, said turbine wheel being adapted to be driven by exhaust gas from the solid electrolyte type fuel cell and the burner to drive the compressor wheel, and said heat exchanger being adapted to conduct heat exchange between the exhaust gas supplied from the turbine wheel and the compressed air from the compressor wheel, wherein the compressor wheel, the turbine wheel, the heat exchanger, the burner and the solid electrolyte type fuel cell are of axially symmetric shapes commonly having an axis of a rotary section comprising the compressor wheel and the turbine wheel, and the heat exchanger and the solid electrolyte type fuel cell are disposed sequentially on one side in a direction of said axis with respect to said rotary section. 2. A power generating system according to claim 1, wherein the heat exchanger and the solid electrolyte type fuel cell are annular about said axis. 3. A power generating system according to claim 1, wherein a compressed-air passage for guiding the compressed air from the compressor wheel to the heat exchanger is disposed radially outside an exhaust gas passage for guiding the exhaust gas from the turbine wheel to the heat exchanger. 4. A power generating system according to claim 1, wherein the solid electrolyte type fuel cell is annular about said axis, and the burner is disposed in a space defined radially inside the solid electrolyte type fuel cell. 5. A power generating system integrally provided with a gas turbine engine and a solid electrolyte type fuel cell, said gas turbine engine including a compressor wheel, a turbine wheel, a heat exchanger and a burner, said compressor wheel being adapted to supply compressed air through the heat exchanger to the solid electrolyte type fuel cell and the burner, said turbine wheel being adapted to be driven by exhaust gas from the solid electrolyte type fuel cell and the burner to drive the compressor wheel, and said heat exchanger being adapted to conduct heat exchange between the exhaust gas supplied from the turbine wheel and the compressed air from the compressor wheel, wherein the heat exchanger, the burner and the solid electrolyte type fuel cell are disposed on an axis of a rotary section comprising the compressor wheel and the turbine wheel; a space for discharging the exhaust gas from the solid electrolyte type fuel cell or the burner toward the turbine wheel is defined between the turbine wheel and the burner; and the heat exchanger and the solid electrolyte type fuel cell are disposed radially outside said space. 6. A power generating system according to claim 5, wherein a first compressed-air passage for guiding the compressed air from the compressor wheel to the heat exchanger is disposed radially outside an exhaust gas passage for guiding the exhaust gas from the turbine wheel to the heat exchanger, and a second compressed-air passage for guiding the compressed air from the heat exchanger to the solid electrolyte type fuel cell is disposed radially outside said space. 7. A power generating system according to claim 6, wherein the second compressed-air passage is disposed radially outside the solid electrolyte type fuel cell. 8. A power generating system integrally provided with a gas turbine engine and a solid electrolyte type fuel cell, said gas turbine engine including a compressor wheel, a turbine wheel, a heat exchanger and a burner, said compressor wheel being adapted to supply compressed air through the heat exchanger to the solid electrolyte type fuel cell and the burner, said turbine wheel being adapted to be driven by exhaust gas from the solid electrolyte type fuel cell and the burner to drive the compressor wheel, and said heat exchanger being adapted to conduct heat exchange between the exhaust gas supplied from the turbine wheel and the compressed air from the compressor wheel, wherein the heat exchanger, the burner and the solid electrolyte type fuel cell are disposed on an axis of a rotary section comprising the compressor wheel and the turbine wheel, and the solid electrolyte type fuel cell is disposed to surround a radially outer side of the burner. 9. A power generating system according to claim 8, wherein the gas turbine engine is started by operating the burner, and operation of the burner is terminated after the solid electrolyte type fuel cell is activated by waste heat of the gas turbine engine.
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이 특허에 인용된 특허 (2)
George Raymond A. ; Veyo Stephen E. ; Dederer Jeffrey T., Single module pressurized fuel cell turbine generator system.
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