[특허]Fluid flow devices with vertically simple geometry and methods of making the same

Fluid flow devices with vertically simple geometry and methods of making the same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-003/04 F02C-007/08 F01D-015/10 F02C-003/05 F02C-007/32
출원번호	US-0399047 (2012-02-17)
등록번호	US-9217370 (2015-12-22)
발명자 / 주소	Wang, Ivan Ethier, Jason Shen, Hardy
출원인 / 주소	Dynamo Micropower Corporation
대리인 / 주소	Wolf, Greenfield & Sacks, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 67

초록 ▼

A micro-turbine engine, consisting of at least a compressor, combustor, and turbine, is a complicated fluid flow device that controls the flow rate and thermodynamic properties of a working fluid in order to generate shaft power. Existing micro-turbines are costly to manufacture because they are designed with sophisticated contours and exotic materials. The present invention discloses a method for designing a micro-turbine with stacked layers of structure, each of which is designed with vertically simple geometry such that it can be manufactured using conventional machining technology. The resulting micro-turbine is low cost compared to existing alternatives in the target range of power outputs and applications. The present invention also describes a method for connecting the micro-turbine to an electrical generator to generate power. Lastly, the method for designing the micro-turbine is applied to heat exchangers, Rankine engines, fluid mixers, and other fluid flow devices.

대표청구항 ▼

1. A micro-turbine engine comprising at least one combustor stage,at least one radial outflow compressor stage andat least one radial outflow turbine stage,wherein each of the at least one radial outflow compressor stage and the at least one radial outflow turbine stage comprises at least one layer of substructure that is stacked along an axial direction of the engine and that comprises features defined geometrically by extruding two-dimensional shapes only along the axial direction of the engine, wherein the features form one or more flow passages forming one or more flow paths of the micro-turbine engine, and wherein the features of the at least one layer of substructure comprise rotating blades, and wherein the rotational axes of the at least one radial outflow compressor stage and the at least one radial outflow turbine stage are axially aligned. 2. The micro-turbine engine of claim 1, wherein the at least one combustor stage is axially offset from the at least one radial outflow compressor stage and at least one radial outflow turbine stage. 3. The micro-turbine engine of claim 2, wherein the at least one combustor stage is in fluid communication with the at least one radial outflow compressor stage through an external flow channel configured to deliver compressed air from the at least one radial outflow compressor stage to the at least one combustor stage, and wherein the at least one combustor stage is in fluid communication with the at least one radial outflow turbine stage through an external flow channel configured to deliver heated compressed air from the at least one combustor stage to the at least one radial outflow turbine stage. 4. The micro-turbine engine of claim 1, wherein the at least one combustor stage is axially aligned with the at least one radial outflow compressor stage and at least one radial outflow turbine stage. 5. The micro-turbine engine of claim 4, wherein the at least one combustor stage is in fluid communication with the at least one radial outflow compressor stage through an internal flow channel configured to deliver compressed air from the at least one radial outflow compressor stage to the at least one combustor stage, and wherein the at least one combustor stage is in fluid communication with the at least one radial outflow turbine stage through an internal flow channel configured to deliver heated compressed air from the at least one combustor stage to the at least one radial outflow turbine stage. 6. The micro-turbine engine of claim 1, wherein the micro-turbine engine is configured to produce a power output in a range of 1 kW to 50 kW. 7. The micro-turbine engine of claim 6, wherein the micro-turbine engine is configured to produce a power output in a range of 1 kW to 20 kW. 8. The micro-turbine engine of claim 1, wherein the radial turbine stage comprises a rotor disk having a diameter in a range of 5 cm to 20 cm. 9. The micro-turbine engine of claim 1, wherein the at least one combustor stage comprises a flame holder made of perforated sheet metal. 10. The micro-turbine engine of claim 1, where the engine is manufactured from metal using conventional metal forming or machining processes. 11. The micro-turbine engine of claim 1 further comprising a mechanical connection to an electric motor adapted to start the engine and configured as an electric generator after self-sustaining operation of the engine is established to produce electrical power. 12. The micro-turbine engine of claim 1 in fluid communication with an additional power turbine that rotates independently of the radial turbine stage, further comprising a mechanical connection to a starter-generator combination electric motor to produce electrical power. 13. The micro-turbine engine of claim 1 further comprising fluid communication with a counter-flow heat exchanger, where compressed inlet air enters a cold side of the heat exchanger before entering the combustor, and turbine exhaust air enters a hot side of the heat exchanger before exiting the engine, such that the turbine exhaust air transfers heat to the compressed inlet air in the counter-flow heat exchanger to reduce an amount of fuel used to operate the engine. 14. The micro-turbine engine of claim 1 further comprising a mechanical connection to a starter-generator combination electric motor adapted to start the engine and to be used as an electric generator after self-sustaining operation of the engine to produce electrical power. 15. The micro-turbine engine of claim 1 further comprising fluid communication with a power turbine that rotates independently of the radial turbine stage, further comprising a mechanical connection to a starter-generator combination electric motor to produce electrical power.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Fluid flow devices with vertically simple geometry and methods of making the same 원문보기

초록 ▼

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연합인증

Fluid flow devices with vertically simple geometry and methods of making the same 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (67)

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