Gas turbine engine systems and related methods involving multiple gas turbine cores
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02K-003/02
출원번호
US-0680857
(2012-11-19)
등록번호
US-8726633
(2014-05-20)
발명자
/ 주소
Roberge, Gary D.
출원인 / 주소
United Technologies Corporation
인용정보
피인용 횟수 :
3인용 특허 :
16
초록▼
Gas turbine engine systems and related methods involving multiple gas turbine cores are provided. In this regard, a representative gas turbine engine includes: an inlet; a blade assembly mounted to receive intake air via the inlet; and multiple gas turbine cores located downstream of the blade assem
Gas turbine engine systems and related methods involving multiple gas turbine cores are provided. In this regard, a representative gas turbine engine includes: an inlet; a blade assembly mounted to receive intake air via the inlet; and multiple gas turbine cores located downstream of the blade assembly, each of the multiple gas turbine cores being independently operative in a first state, in which rotational energy is provided to rotate the blade assembly, and a second state, in which rotational energy is not provided to rotate the blade assembly.
대표청구항▼
1. A method for operating a gas turbine engine, comprising: selectively operating at least one of multiple gas turbine cores of the gas turbine engine, wherein one of the multiple gas turbine cores is adapted to be independently operated relative to another one of multiple gas turbine cores; andmech
1. A method for operating a gas turbine engine, comprising: selectively operating at least one of multiple gas turbine cores of the gas turbine engine, wherein one of the multiple gas turbine cores is adapted to be independently operated relative to another one of multiple gas turbine cores; andmechanically imparting rotational energy from the at least one of the multiple gas turbine cores to a blade assembly, the blade assembly being rotatable to provide a flow of gas to the multiple gas turbine cores;wherein each of the multiple gas turbine cores is operative to mechanically impart rotational energy to the blade assembly through a shaft, and includes a compressor; andwherein the blade assembly receives intake air from an inlet. 2. The method of claim 1, wherein, in imparting rotational energy, fewer of the gas turbine cores are used to impart rotational energy to the blade assembly than are operating. 3. The method of claim 1, further comprising using rotational energy from at least one of the multiple gas turbine cores to generate electricity. 4. The method of claim 3, wherein the at least one of the multiple gas turbine cores used to generate electricity is not also being used to impart rotational energy, simultaneously, to the blade assembly. 5. The method of claim 1, wherein the blade assembly is included in a fan of the gas turbine engine. 6. The method of claim 1, wherein the blade assembly is included in another compressor of the gas turbine engine. 7. The method of claim 1, further comprising disengaging at least one of the multiple gas turbine cores from the blade assembly. 8. A method for operating a gas turbine engine that includes a blade assembly and a plurality of gas turbine cores, the method comprising: operating one or more of the gas turbine cores; andselectively mechanically connecting at least one of the one or more of the gas turbine cores to the blade assembly;wherein each of the one or more of the gas turbine cores is operative to be selectively mechanically connected to the blade assembly through a shaft, and includes a compressor;wherein the blade assembly receives intake air from an inlet. 9. The method of claim 8, wherein the blade assembly is included in a fan of the gas turbine engine. 10. The method of claim 8, wherein the blade assembly is included in another compressor of the gas turbine engine. 11. The method of claim 8, further comprising disengaging at least one of the gas turbine cores from the blade assembly. 12. The method of claim 8, further comprising using rotational energy from at least one of the gas turbine cores to generate electricity. 13. The method of claim 12, wherein the at least one of the gas turbine cores used to generate electricity is not mechanically connected to the blade assembly. 14. A method for operating a turbofan engine that includes a plurality of gas turbine cores arranged around a shaft, the method comprising: operating a first of the gas turbine cores and a second of the gas turbine cores of the turbofan engine, wherein the first of the gas turbine cores is adapted to be operated independent of the second of the gas turbine cores; andmechanically imparting rotational energy from the first of the gas turbine cores and the second of the gas turbine cores to the shaft;wherein the first of the gas turbine cores and the second of the gas turbine engine cores each includes a compressor. 15. The method of claim 14, wherein the shaft is connected to blades of a fan. 16. The method of claim 14, wherein the shaft is connected to blades of another compressor. 17. The method of claim 14, further comprising disengaging a third of the gas turbine cores from the shaft. 18. The method of claim 14, further comprising using rotational energy from at least one of the gas turbine cores to generate electricity. 19. The method of claim 18, wherein the at least one of the gas turbine cores used to generate electricity is not used to simultaneously impart rotational energy to the shaft.
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이 특허에 인용된 특허 (16)
Louis G. Hunter ; Billy D. Couch ; Paul E. Hagseth, Combined cycle pulse combustion/gas turbine engine.
Giffin ; III Rollin G. ; Johnson James E. ; Crall David W. ; Salvage John W. ; Szucs Peter N., Turbofan engine with a core driven supercharged bypass duct.
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