[특허]Wind turbine with high solidity rotor

Wind turbine with high solidity rotor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-005/00
출원번호	US-0558861 (2009-09-14)
등록번호	US-8562300 (2013-10-22)
발명자 / 주소	Bertolotti, Fabio P.
출원인 / 주소	Hamilton Sundstrand Corporation
대리인 / 주소	Carlson, Gaskey & Olds, PC
인용정보	피인용 횟수 : 0 인용 특허 : 39

초록 ▼

A wind turbine includes a nacelle support structure rotationally mounted to a tower through a yaw bearing for rotation about a yaw axis. A hollow shaft is rotationally mounted to the nacelle support structure through a rotor bearing for rotation about a rotor axis of rotation and a blade support body is mounted to the hollow shaft, the blade support body supports either of a two-bladed rotor system and a three-bladed rotor system, the two-bladed rotor system and the three-bladed rotor system have essentially equal solidity.

대표청구항 ▼

1. A wind turbine comprising: a tower;a nacelle support structure rotationally mounted to said tower through a yaw bearing for rotation about a yaw axis;a hollow shaft rotationally mounted to said nacelle support structure through a rotor bearing for rotation about a rotor axis of rotation;a blade support body mounted to said hollow shaft through a teeter system which permits teetering action of said blade support body with respect to said hollow shaft;a first shaft arm and a second shaft arm which extends from said hollow shaft generally parallel to said rotor axis of rotation to engage with a respective first teeter bearing and second teeter bearing of said teeter system, said first teeter bearing and said second teeter bearing defined along a teeter axis; anda teeter restraint system aligned along a restraint axis generally perpendicular to said teetering axis said first teeter restraint system mounted between said blade support body and said hollow shaft, a generator supported by said nacelle support structure outwardly of said hollow shaft, said generator being located axially outwardly of said hollow shaft. 2. The wind turbine as recited in claim 1, wherein said first teeter bearing and said second teeter bearing define a separation dimension generally equal to a diameter of said rotor bearing. 3. The wind turbine as recited in claim 1, wherein said first shaft arm and said second shaft arm extend at least partially through said blade support body. 4. The wind turbine as recited in claim 3, wherein said blade support body is elliptical in cross-section. 5. The wind turbine as recited in claim 1, wherein said blade support body supports either of a two-bladed rotor system and a three-bladed rotor system, said two-bladed rotor system and said three-bladed rotor system have essentially equal solidity which is defined as a ratio of rotor blade surface area to a front swept area that the rotor blades pass through. 6. The wind turbine as recited in claim 5, wherein said generator is driven by a drive-train connected to said hollow shaft, said drive-train operable to receive power from either of a three-bladed rotor and a two-bladed rotor. 7. The wind turbine as recited in claim 5, wherein said two-bladed rotor has a tip-speed ratio of approximately 7.5 with a solidity of approximately 5%. 8. The wind turbine as recited in claim 5, wherein said blade support body is elliptical in cross-section. 9. The wind turbine as recited in claim 5, wherein said blade support body is circular in cross-section. 10. The wind turbine as set forth in claim 1, wherein said generator is driven by a drive train connected to said hollow shaft, and at a location outwardly of said hollow shaft. 11. A wind turbine comprising: a tower;a nacelle support structure rotationally mounted to said tower through a yaw bearing for rotation about a yaw axis;a hollow shaft rotationally mounted to said nacelle support structure through a rotor bearing for rotation about a rotor axis of rotation; anda blade support body mounted to said hollow shaft through a teeter system which permits teetering action of said blade support body with respect to said hollow shaft;a first shaft arm and a second shaft arm which extends from said hollow shaft generally parallel to said rotor axis of rotation and engaging with a respective first teeter bearing and second teeter bearing of said teeter system, said first teeter bearing and said second teeter bearing defined along a teeter axis;a generator supported by said nacelle support structure opposite said hollow shaft; anda first teeter restraint and a second teeter restraint aligned along a restraint axis generally perpendicular to said teetering axis, said first teeter restraint and said second teeter restraint mounted within said blade support body, extending out of said blade support body and attaching to said hollow shaft. 12. The wind turbine of claim 11 wherein said first arm shaft and said second arm shaft extend through said blade body support. 13. The wind turbine of claim 11 wherein said first teeter bearing and said second teeter bearing are disposed completely inside said blade body support. 14. A wind turbine comprising: a tower;a nacelle support structure rotationally mounted to said tower through a yaw bearing for rotation about a yaw axis;a hollow shaft rotationally mounted to said nacelle support structure through a rotor bearing for rotation about a rotor axis of rotation;a blade support body mounted to said hollow shaft through a teeter system which permits teetering action of said blade support body with respect to said hollow shaft;a first shaft arm and a second shaft arm which extends from said hollow shaft generally parallel to said rotor axis of rotation to engage with a respective first teeter bearing and second teeter bearing of said teeter system, said first teeter bearing and said second teeter bearing defined along a teeter axis;a teeter restraint system aligned along a restraint axis generally perpendicular to said teetering axis said first teeter restraint system mounted between said blade support body and said hollow shaft, a generator supported by said nacelle support structure outwardly of said hollow shaft; andsaid teeter restraint system including a first teeter restraint and a second teeter restraint, with said first teeter restraint and said second teeter restraint being mounted within said blade support body, and extending outwardly of said blade support body and attached to said hollow shaft. 15. A method of providing a wind turbine comprising the steps of; (a) providing a nacelle support structure rotationally mounted to a tower through a yaw bearing for rotation about a yaw axis;(b) providing a hollow shaft rotationally mounted to said nacelle support structure through a rotor bearing for rotation about a rotor axis of rotation;(c) attaching a blade support body to said hollow shaft, and said blade support body being selected from at least two possible blade support bodies, with one of said possible blade support bodies supporting a two-blade rotor system, and another of said possible blade support bodies mounting a three-bladed rotor system, with said two-bladed rotor system and said three-bladed rotor system being provided with essentially equal solidity, defined as a ratio of rotor blade surface area to a front swept area that the rotor passes through.

이 특허에 인용된 특허 (39)

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Hanson Thomas F. (24204 Heritage La. Newhall CA 91321), Magnus air turbine system.
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Vilsboll, Niels, Method and a device for adjusting the pitch and stopping the rotation of the blades of a wind turbine.
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Pierce,Kirk G.; LeMieux,David Lawrence, Method and apparatus for wind turbine rotor load control.
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Pierce,Kirk G.; LeMieux,David Lawrence; Blakemore,Ralph W., Method and apparatus for wind turbine rotor load control based on shaft radial displacement.
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Larsen,Torben Juul; Madsen,Helge Aagaard; Thomsen,Kenneth, Method of controlling aerodynamic load of a wind turbine based on local blade flow measurement.
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Potter James A. (12 Greenhouse Blvd. West Hartford CT 06110), Retractable wind machine.
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Kenneth J. Deering ; Dean A. Davis, Rotor pitch control method and apparatus for parking wind turbine.
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Antoune, Ivan Lahuerta; Antoune, Sebastian Manuel Lahuerta; Antoune, Maria Lahuerta, Self-guiding wind turbine.
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DiValentin Eugene D. (Enfield CT) Healy Henry S. (Bloomfield CT), Torque control for a variable speed wind turbine.
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Bottrell Gerald W. (La Crescenta CA), Torque control system for wind energy conversion devices.
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Ammons Joe L. (1617 Lawson La. Amarillo TX 79106), Wind driven electrical generating system.
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Wilson,Kitchener Clark, Wind flow estimation and tracking using tower dynamics.
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Smith,David Arthur; Harris,Michael, Wind speed measurement apparatus and method.
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Belden Ralph A. (Melville AUX), Wind turbine.
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Cheney ; Jr. Marvin C. (Glastonbury CT), Wind turbine.
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Huetter Ulrich (Schlierbacher Strasse 93 D-7312 Kirchheim DEX), Wind turbine.
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Lundquist Robert E. (5314 Ridgewood Heights Dr. Wilmington NC 28403), Wind turbine.
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Sharak Errol W. (18775 W. Observatory Rd. New Berlin WI 53151) Sharak ; Sr. George E. (Milwaukee WI), Wind turbine.
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Traudt Ray F. (Englewood CO), Wind turbine.
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Andrews Merritt B. (Westfield MA), Wind turbine blade pitch control system.
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Harner Kermit I. (Windsor CT), Wind turbine generator acceleration control.
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Patrick John P. (South Windsor CT), Wind turbine generator having integrator tracking.
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Harner Kermit I. (Windsor CT) Kos Joseph M. (Holyoke MA) Patrick John P. (South Windsor CT), Wind turbine generator pitch control system.
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Cheney, Jr., Marvin C., Wind turbine generator with improved operating subassemblies.
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Shibata,Masaaki; Hayashi,Yoshiyuki; Furukawa,Toyoaki; Yatomi,Yuuji; Kato,Eiji; Teramoto,Yoshinari; Miyake,Hisao; Hayakawa,Koshi, Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof.
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Shibata,Masaaki; Hayashi,Yoshiyuki; Furukawa,Toyoaki; Yatomi,Yuuji; Kato,Eiji; Teramoto,Yoshinari; Miyake,Hisao; Hayakawa,Koshi, Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof.
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Shibata,Masaaki; Hayashi,Yoshiyuki; Furukawa,Toyoaki; Yatomi,Yuuji; Kato,Eiji; Teramoto,Yoshinari; Miyake,Hisao; Hayakawa,Koshi, Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof.
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Wetzel,Kyle Kristopher, Wind turbine rotor blade with in-plane sweep and devices using same, and methods for making same.
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Cheney ; Jr. ; Marvin Chapin ; Spierings ; Petrus A. M., Wind turbine with automatic pitch and yaw control.
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Doman Glidden S. (Granby CT), Wind turbine with yaw trimming.
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Carter ; Sr. J.. Warne, Wind-driven electric generator apparatus of the downwind type with flexible changeable-pitch blades.
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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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Wind turbine with high solidity rotor 원문보기

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Wind turbine with high solidity rotor 원문보기

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