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특허 상세정보

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Composite wind turbine rotor blade and method for making same

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01D-005/14   
미국특허분류(USC) 416/230 ; 416/226 ; 416/239
출원번호 US-0221897 (1988-07-20)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 118  인용 특허 : 8
초록

A wind turbine rotor blade including NASA LS (1) - 04xx airfoil sections having a twist not greater than 8°and a construction for such a blade which includes no parting line along the leading edge. The bond between a rectangular spar and the outer skin is reinforced by channels of “C”shaped cross section affixed to the skin and the spar. A method for manufacturing a rotor blade of this construction.

대표
청구항

A wind turbine rotor blade including NASA LS(1)-04xx airfoil sections, said wind turbine blade having: a thickness-to-chord ratio of substantially sixteen percent at full radius, said thickness-to-chord ratio increasing to substantially nineteen percent at one half full radius and substantially twenty nine percent at three-tenths full radius; and a twist equal to zero from full radius to fifty percent full radius, said twist varying to a value no greater than eight degrees at a theoretical hub of the rotor blade.

이 특허에 인용된 특허 (8)

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  3. Weingart Oscar (Riverside CA) Morris Edgar E. (Covina CA). Composite spar structure having integral fitting for rotational hub mounting. USP1981044260332.
  4. Okada Makoto (Tokyo JPX). Fluid propeller fan. USP1983104411598.
  5. Perry Frederick J. (Yeovil GB2). Helicopter rotor blade. USP1987054668169.
  6. Mouille Rene′L. (Sausset-les-Pins Aix-en-Provence FRX) Gallot Jacques R. (Sausset-les-Pins Port-Saint-Louis-du-Rhone FRX) Pouradier Jean-Marc E. (Port-Saint-Louis-du-Rhone FRX). High performance blade for helicopter rotor. USP1983074392781.
  7. Kamov Nikolai Ilich (ULITSA Gorkogo ; 43 ; kv. 96 Moscow SU) Priorov Nikolai Nikolaevich (ULITSA Novoslobodskaya ; 57/60 ; kv. 9 Moscow SU) Kovalev Anatoly Fedorovich (ULITSA L.Tolstogo ; 7 ; kv. 150. Method of manufacture of hollow pieces. USP1976073967996.
  8. Basso Robert J. (3635 Afton Rd. San Diego CA 92123). Wind turbine blade construction. USP1988034728263.

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