Gas compression system and method for microturbine application
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02C-003/22
출원번호
US-0065046
(2002-09-13)
발명자
/ 주소
Voinov, Soren
출원인 / 주소
General Electric Company
대리인 / 주소
Sutherland Asbill Brennan
인용정보
피인용 횟수 :
32인용 특허 :
4
초록▼
The present invention may include a microturbine power generating system which may include a combustor for combusting a gaseous fuel to provide a supply of gaseous heat energy, a radial gas compressor for delivering said gaseous fuel to said combustor, and an electric motor to power said radial gas
The present invention may include a microturbine power generating system which may include a combustor for combusting a gaseous fuel to provide a supply of gaseous heat energy, a radial gas compressor for delivering said gaseous fuel to said combustor, and an electric motor to power said radial gas compressor.
대표청구항▼
1. A microturbine power generating system, comprising:a combustor for combusting a gaseous fuel to provide a supply of gaseous heat energy; a radial gas compressor for delivering said gaseous fuel to said combustor; an electric motor; and a compressor power turbine; wherein said electric motor power
1. A microturbine power generating system, comprising:a combustor for combusting a gaseous fuel to provide a supply of gaseous heat energy; a radial gas compressor for delivering said gaseous fuel to said combustor; an electric motor; and a compressor power turbine; wherein said electric motor powers said radial gas compressor during microturbine start-up; and wherein said compressor power turbine powers said radial gas compressor after microturbine start-up is complete. 2. The system of claim 1, further comprising a turbine for converting the supply of gaseous heat energy into mechanical energy and an electrical generator driven by said turbine for converting mechanical energy produced by the turbine into electrical energy.3. The system of claim 2, further comprising a microturbine shaft connecting said turbine and said electrical generator;further comprising one or more air-bearings to support said microturbine shaft; and further comprising an air-bearing compressor to deliver a supply of compressed air to said one or more air-bearings. 4. The system of claim 3, further comprising a compressor shaft connecting said radial gas compressor, said air-bearing compressor, and said electric motor;further comprising one or more compressor air-bearings to support said compressor shaft; and wherein said air-bearing compressor delivers a second supply of compressed air to said one or more compressor air-bearings. 5. The system of claim 2, further comprising an electromagnetic clutch such that said electromagnetic clutch disengages said electric motor and engages said compressor power turbine once microturbine start-up is complete.6. The system of claim 2, wherein a portion of the supply of gaseous heat energy delivered to said turbine is diverted to said compressor power turbine; andwherein said compressor power turbine converts said portion of the supply of gaseous heat energy into mechanical energy. 7. The system of claim 3, further comprising a compressor shaft connecting said radial gas compressor, said air-bearing compressor, said compressor power turbine, and said electric motor;further comprising one or more compressor air-bearings to support said compressor shaft; and wherein said air-baring compressor delivers a second supply of compressed air to said one or more compressor air-bearings. 8. The system of claim 7, wherein said electric motor powers said air-bearing compressor during microturbine startup; andwherein said compressor power turbine powers said air-bearing compressor after microturbine start-up is complete. 9. The system of claim 8, further comprising an electromagnetic clutch such that said electromagnetic clutch disengages said electric motor and engages said compressor power turbine once microturbine start-up is complete.10. The system of claim 8, wherein a portion of the supply of gaseous heat energy delivered to said turbine is diverted to said compressor power turbine; andwherein said compressor power turbine converts said portion of the supply of gaseous heat energy into mechanical energy. 11. A method of operating a microturbine power generating system that has a combustor, a turbine, an electrical generator, a radial gas compressor, an electric motor, and a compressor power turbine, comprising:combusting a gaseous fuel to gaseous heat energy in said combustor; converting gaseous heat energy into mechanical energy by said turbine; converting mechanical energy into electrical energy by said electrical generator; delivering a supply of said gaseous fuel to said combustor by said radial gas compressor; and powering said radial gas compressor during microturbine start-up by said electric motor; and powering said radial gas compressor after microturbine start-up is complete by said compressor power turbine. 12. The method of claim 11, wherein said turbine and said electrical generator are connected by a microturbine shaft; and wherein said microturbine shaft is supported by one or more air-bearings, further comprising delivering a supply of compressed air to said one or more air-bearings of said microturbine shaft by an air-bearing compressor.13. The method of claim 12, wherein said radial gas compressor, said air-bearing compressor, and said electric motor are connected by a compressor shaft; and wherein said compressor shaft is supported by one or more compressor air-bearings, further comprising delivering a second supply of compressed air to said one or more compressor air-bearings by said air-bearing compressor.14. The method of claim 11, further comprising disengaging said electric motor and engaging said compressor power turbine once microturbine start-up is completed by an electromagnetic clutch.15. The method of claim 11, further comprising:diverting a portion of the supply of gaseous heat energy delivered to said turbine; and using said portion of the supply of gaseous heat energy in said compressor power turbine to produce mechanical energy. 16. The method of claim 12, wherein said radial gas compressor, said air-bearing compressor, said compressor power turbine, and said electric motor are connected by a compressor shaft; and wherein said compressor shaft is supported by one or more compressor air-bearings, further comprising delivering a second supply of compressed air to said one or more compressor air-bearings by said air-bearing compressor.17. The method of claim 16, further comprising:powering said air-bearing compressor during microturbine start-up by said electric motor; and powering said air-bearing compressor after microturbine start-up is complete by said compressor power turbine. 18. The method of claim 17, further comprising disengaging said electric motor and engaging said compressor power turbine once microturbine start-up is completed by an electromagnetic clutch.19. The method of claim 17, further comprising:diverting a portion of the supply of gaseous heat energy delivered to said turbine; and using said portion of the supply of gaseous heat energy in said compressor power turbine to produce mechanical energy.
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이 특허에 인용된 특허 (4)
Yamada Hiroshi (Ibaraki-ken JPX) Negishi Tadanobu (Ibaraki-ken JPX) Honda Yoshitsugu (Ibaraki-ken JPX), Gas turbine apparatus and method of operating same on gaseous fuel.
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