[특허]Unidirectional helical reaction turbine operable under reversible fluid flow for power systems

Unidirectional helical reaction turbine operable under reversible fluid flow for power systems 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F03B-013/24 F03B-003/12 F03B-011/04
출원번호	US-0241762 (1994-04-22)
발명자 / 주소	Gorlov Alexander M. (Brookline MA)
출원인 / 주소	Northeastern University (Boston MA 02)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

A reaction turbine capable of providing high speed unidirectional rotation under a reversible ultra low head pressure and/or high velocity fluid flow is disclosed. The turbine comprises a working wheel with a plurality of airfoil-shaped blades mounted transversely to the direction of fluid flow for rotation in a plane parallel to the fluid flow. The blades are arranged in a helical configuration, a modification of a delta turbine, which ensures that a portion of the blades are always positioned perpendicular to the fluid pressure, thereby creating maximum thrust to spin the turbine and ensuring a continuous speed of rotation with no accelerations and decelerations. The skewed leading edges further reduce resistance to the turbine rotation. A channel having a rectangular cross-section may be provided to direct the fluid flow to the blades. The channel may have a curved configuration having opposed changes in elevation or bulges directed towards the center of the turbine in a plane parallel to the flow of fluid to optimize the angle of attack of the fluid on the blades. At ultra low head fluid pressures, the turbine is capable of achieving high speeds, which, for gas turbines, are the speeds at which electric generators conventionally operate. For hydro applications, the helical turbine requires minimal gearing multiplication. The turbine is suitable for use in hydro-pneumatic, hydro, wind, or wave power systems.

대표청구항 ▼

A reaction turbine capable of unidirectional rotation under reversible fluid flow comprising: a fluid flow path defined by an inflow fluid channel and an outflow fluid channel, and a turbine chamber disposed between said inflow and outflow channels; a rotatable shaft transversely mounted in said turbine chamber; at least one turbine blade support member fixedly mounted to said rotatable shaft for rotation therewith in a plane perpendicular to said shaft; a plurality of turbine blades disposed transversely in said turbine chamber in a helical configuration about said rotatable shaft, each blade having an airfoil shape having a leading edge and a trailing edge and an airfoil profile lying in a plane parallel to said flow path, each of said blades fixedly mounted to said blade support member to be radially spaced from said rotatable shaft for rotation in a plane parallel to said flow path in the direction of said leading edge.

이 특허를 인용한 특허 (37)

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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

Unidirectional helical reaction turbine operable under reversible fluid flow for power systems 원문보기

초록 ▼

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Unidirectional helical reaction turbine operable under reversible fluid flow for power systems 원문보기

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