[특허]Rotatable blade apparatus with individually adjustable blades

[미국특허] Rotatable blade apparatus with individually adjustable blades 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F03D-011/00 F01D-005/30 F03D-001/06 F03D-007/00 F03D-007/02
출원번호	US-0050532 (2013-10-10)
등록번호	US-9297264 (2016-03-29)
발명자 / 주소	Hotto, Robert
출원인 / 주소	ENERGYIELD LLC
대리인 / 주소	Rogitz, John L.
인용정보	피인용 횟수 : 1 인용 특허 : 112

초록 ▼

The lengths and/or chords and/or pitches of wind turbine or propeller blades are individually established, so that a first blade can have a length/chord/pitch that is different at a given time to the length/chord/pitch of a second blade to optimize performance and/or to equalize stresses on the syst

대표청구항 ▼

1. A wind turbine blade assembly comprising: at least first and second blades coupled to a rotor defining an axis of rotation, the first blade defining a first pitch at a first time, the second blade defining a second pitch at the first time, the first and second pitches not being equal and at least one of the pitches being established by a pressure signal from at least one pressure sensor. 2. The assembly of claim 1, wherein the pitches are based on respective positions of the blades. 3. The assembly of claim 1, comprising an actuator coupled to at least one blade to establish the pitch of the blade. 4. The assembly of claim 1, wherein the at least one pressure sensor is disposed on at least one blade to provide the pressure signal. 5. The assembly of claim 1, wherein the pitches of the blades are established at least in part in response to at least one pressure sensor. 6. The assembly of claim 1, wherein the blades define respective chords and the chords are adjusted as the blades turn. 7. A wind turbine blade assembly comprising: at least first and second blades coupled to a rotor, the first blade defining a first pitch at a first time, the second blade defining a second pitch at the first time, the first and second pitches not being equal and at least one pitch being established by a pressure signal from at least one pressure sensor. 8. The assembly of claim 7, wherein the pitches are established at least in part in response to at least one signal from at least one sensor disposed on at least one airfoil surface of at least one of the blades. 9. The assembly of claim 7, wherein the blades define respective chords and the chords are adjusted. 10. A turbine blade assembly comprising: at least first and second blades coupled to a rotor defining an axis of rotation, the first blade defining a first pitch at a first time, the second blade defining a second pitch at the first time, the first and second pitches not being equal, wherein the pitches are established based on respective pressure signals from at least one pressure sensor on at least one of the blades. 11. The assembly of claim 10, comprising an actuator coupled to at least one blade to establish the pitch of the at least one blade. 12. A propeller blade assembly comprising: at least first and second blades coupled to a rotor defining an axis of rotation, the first blade defining a first pitch at a first time, the second blade defining a second pitch at the first time, the first and second pitches not being equal, the assembly being configured for being engaged with a waterborne vessel shaft for holding the blades in a vertical plane, at least one of the pitches being established according to at least one pressure signal from at least one pressure sensor. 13. The assembly of claim 12, comprising an actuator coupled to at least one blade to establish the pitch of the blade. 14. The assembly of claim 12, wherein the blades move as they ride against a cam surface. 15. The assembly of claim 12, wherein the blades define respective chords and the chords are adjusted. 16. A propeller blade assembly comprising: at least first and second blades coupled to a rotor defining an axis of rotation, the first blade defining a first pitch at a first time, the second blade defining a second pitch at the first time, the first and second pitches not being equal, wherein the pitches are established based on respective pressure signals from at least one of the blades. 17. The assembly of claim 16, wherein the pitches are based on respective angular positions of the blades with respect to the rotor. 18. The assembly of claim 16, wherein the blades define respective chords and the chords are adjusted.

이 특허에 인용된 특허 (112) 인용/피인용 타임라인 분석

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이 특허를 인용한 특허 (1) 인용/피인용 타임라인 분석

Hotto, Robert, Rotatable blade apparatus with individually adjustable blades.
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[미국특허] Rotatable blade apparatus with individually adjustable blades 원문보기

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[미국특허] Rotatable blade apparatus with individually adjustable blades 원문보기

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