[특허]Rocket augmentation for combined cycle turboaccelerator jet engine

United Technologies Corporation

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특허 상세정보

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Rocket augmentation for combined cycle turboaccelerator jet engine

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02K-003/08 F02K-003/00 F02K-003/10 F02C-003/20
미국특허분류(USC)	060/218; 060/761; 060/039.461
출원번호	US-0918003 (2004-08-13)
등록번호	US-7305816 (2007-12-11)
발명자 / 주소	Freese,Richard A. Wazyniak,Joseph A.
출원인 / 주소	United Technologies Corporation
대리인 / 주소	Bachman & LaPointe
인용정보	피인용 횟수 : 4 인용 특허 : 4

초록

An engine for creating a propulsive force includes turbomachinery for generating a flow of hot exhaust gases and an initial thrust force, an augmentor positioned aft of the turbomachinery, and a system for injecting an oxidizer, which preferably undergoes thermal decomposition, into the hot exhaust gases so as to significantly increase the thrust force generated by the engine. In a preferred embodiment of the present invention, the oxidizer comprises liquid high test peroxide.

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What is claimed is: 1. An engine for creating a propulsive force comprising: turbomachinery means for creating a flow of heated exhaust gases and an initial thrust force; an augmentor positioned aft of said turbomachinery means; means for injecting a decomposable oxidizer into the flow of heated exhaust gases, said oxidizer injecting means being located at an interface between said turbomachinery means and said augmentor; said oxidizer injecting means comprising means for injecting peroxide into said exhaust gases; and said augmentor including means for injecting fuel into an interior section of said augmentor, said fuel injecting means being located downstream of said oxidizer injecting means, whereby decomposition of said peroxide increases available oxygen for combustion in said augmentor. 2. An engine according to claim 1, wherein said oxidizer means comprises means for injecting additional oxidizer into said exhaust gases. 3. An engine according to claim 1, wherein said oxidizer injecting means comprises means for injecting said oxidizer at a mass flow ratio of oxidizer to exhaust gases in the range of from 0.5:1 to 3:1. 4. An engine according to claim 1, wherein said turbomachinery means has at least one compressor and turbine rotor. 5. An engine according to claim 1, wherein said turbomachinery means has at least two compressor and turbine rotors. 6. An engine according to claim 1, wherein said turbomachinery means has three compressor and turbine rotors. 7. An engine according to claim 1, wherein said oxidizer injecting means comprises a set of radial spray bars. 8. An engine according to claim 1, wherein said oxidizer injecting means comprises a set of circumferential spraybars. 9. A method for generating an increased thrust force for propelling a vehicle comprises the steps of: providing an engine having a turbomachinery stage and an augmentor having an interior portion; creating a flow of heated exhaust gases and an initial thrust force with said turbomachinery stage; injecting an oxidizer into the flow of heated exhaust gases so as to create an oxygen rich environment in said interior portion of said augmentor; injecting fuel into said interior portion of said augmentor so as to increase said initial thrust force; said oxidizer injecting step comprises injecting said oxidizer into the flow of heated exhaust gases at an interface between said turbomachinery stage and said augmentor and upstream of a location wherein said fuel is injected into the interior portion of said augmentor, whereby decomposition of said oxidizer increases available oxygen for combustion in said augmentor; and said oxidizer injecting step comprises injecting HTP into the flow of heated exhaust gases. 10. A method according to claim 9, wherein said oxidizer injecting step comprises injecting an oxidizer which undergoes thermal decomposition in the flow of heated exhaust gases. 11. A method according to claim 9, wherein said oxidizer injecting step comprises injecting said oxidizer at a mass flow rate ratio of oxidizer to exhaust gas in the range of from 0.5:1 to 3.0:1. 12. A method for generating an increased thrust force for propelling a vehicle comprises the steps of: providing an engine having a turbomachinery stage and an augmentor having an interior portion; creating a flow of heated exhaust gases and an initial thrust force with said turbomachinery stage; injecting an oxidizer into the flow of heated exhaust gases so as to create an oxygen rich environment in said interior portion of said augmentor; injecting fuel into said interior portion of said augmentor so as to increase said initial thrust force; and said oxidizer injecting step comprises injecting said oxidizer into the flow of heated exhaust gases at an interface between said turbomachinery stage and said augmentor and upstream of a location wherein said fuel is injected into the interior portion of said augmentor, whereby decomposition of said oxidizer increases available oxygen for combustion in said augmentor, wherein said oxidizer injecting step comprises injecting nitrous oxide into the flow of heated exhaust gases. 13. A method for generating an increased thrust force for propelling a vehicle comprises the steps of: providing an engine having a turbomachinery stage and an augmentor having an interior portion; creating a flow of heated exhaust gases and an initial thrust force with said turbomachinery stage; injecting an oxidizer into the flow of heated exhaust gases so as to create an oxygen rich environment in said interior portion of said augmentor; injecting fuel into said interior portion of said augmentor so as to increase said initial thrust force; and said oxidizer injecting step comprises injecting said oxidizer into the flow of heated exhaust gases at an interface between said turbomachinery stage and said augmentor and upstream of a location wherein said fuel is injected into the interior portion of said augmentor, whereby decomposition of said oxidizer increases available oxygen for combustion in said augmentor, wherein said oxidizer injecting step comprises injecting an HTP oxidizer at a concentration of 85% to 98%. 14. A method for generating an increased thrust force for propelling a vehicle comprises the steps of: providing an engine having a turbomachinery stage and an augmentor having an interior portion; creating a flow of heated exhaust gases and an initial thrust force with said turbomachinery stage; injecting an oxidizer into the flow of heated exhaust gases so as to create an oxygen rich environment in said interior portion of said augmentor; injecting fuel into said interior portion of said augmentor so as to increase said initial thrust force; and said oxidizer injecting step comprises injecting said oxidizer into the flow of heated exhaust gases at an interface between said turbomachinery stage and said augmentor and upstream of a location wherein said fuel is injected into the interior portion of said augmentor, whereby decomposition of said oxidizer increases available oxygen for combustion in said augmentor, wherein said oxidizer injecting step comprises injecting an HTP oxidizer at a concentration of 95% to 98%. 15. A vehicle having an engine for providing a propulsive force, said engine comprising turbomachinery means for creating a flow of heated exhaust gases and an initial thrust force, an augmentor positioned aft of said turbomachinery means, means for injecting a decomposable oxidizer into the flow of heated exhaust gases, said oxidizer injecting means being located at an interface between said turbomachinery and said augmentor, said oxidizer injecting means comprising means for injecting HTP into said exhaust gases, means for injecting fuel into an interior section of said augmentor, and said fuel injecting means being located downstream of said oxidizer injecting means, whereby decomposition of said oxidizer increases available oxygen for combustion in said augmentor. 16. A vehicle according to claim 15, wherein said oxidizer injecting means comprises means for injecting a thermally decomposable oxidizer into said exhaust gases. 17. A vehicle according to claim 15, wherein said oxidizer injecting means comprises means for injecting said oxidizer at a mass flow rate ratio of oxidizer to exhaust gases in the range of from 0.5:1 to 3:1. 18. A vehicle according to claim 15, wherein said turbomachinery means has at least one compressor and turbine rotor. 19. A vehicle according to claim 15, wherein said turbomachinery means has at least two compressor and turbine rotors. 20. A vehicle according to claim 15, wherein said turbomachinery means has three compressor and turbine rotors. 21. A vehicle according to claim 15, wherein said oxidizer injecting means comprises a set of radial spray bars. 22. A vehicle according to claim 15, wherein said vehicle is a hypersonic vehicle. 23. A vehicle according to claim 15, further having an oxidizer source and at least one flow line connecting said oxidizer source to said oxidizer injecting means. 24. A vehicle having an engine for providing a propulsive force, said engine comprising turbomachinery means for creating a flow of heated exhaust gases and an initial thrust force, an augmentor positioned aft of said turbomachinery means, means for injecting a decomposable oxidizer into the flow of heated exhaust gases, said oxidizer injecting means being located at an interface between said turbomachinery and said augmentor, means for injecting fuel into an interior section of said augmentor, and said fuel injecting means being located downstream of said oxidizer injecting means, whereby decomposition of said oxidizer increases available oxygen for combustion in said augmentor, wherein said oxidizer injecting means comprises means for injecting nitrous oxide into said exhaust gases.

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Rocket augmentation for combined cycle turboaccelerator jet engine

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Rocket augmentation for combined cycle turboaccelerator jet engine

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