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vertical windmill us4115027

Patent US6784566 - Coupled vortex vertical axis …

An omnidirectional windmill employing lift type airfoils mounted about a vertical axis. The windmill includes a support frame which defines the vertically oriented ...

Patent US8376688 - Vertical axis wind turbine - …

Alternatively, a vertical-axis wind turbine may be used provided the generator is mounted at or near the top of the ... US4115027 * 7 Jan 1977: 19 Sep 1978: Robert ...

Brevetto WO2010139600A1 - Wind concentrator …

Wind concentrator for a vertical axis wind turbine WO 2010139600 A1. Estratto. ... US4115027 * 7 gen 1977: 19 set 1978: Robert Nason Thomas: Vertical windmill ...

Patent US6966747 - Wind turbine having airfoils …

Apparatus to convert wind energy into mechanical and electrical energy including a variable pitch air-foil supported by tension guy wires on a wheeled structure ...

Patent US20050230980 - Wind turbine mounted …

US4115027: 7 Jan 1977: 19 Sep 1978: Robert Nason Thomas: Vertical windmill: US4247252: 6 Jul 1978: 27 Jan 1981: ... Vertical axis wind turbine with rotating ...

Patent US4115027 - Vertical windmill - Google …

This invention relates to a vertical shaft wind turbine, and particularly to an installation method of blades that can effectively improve the efficiency of a ...

Patent US4725194 - Self-regulating vertical axis …

US4115027: 7 Jan 1977: 19 Sep 1978: Robert Nason Thomas: Vertical windmill: US4118637 * ... Vertical axis wind turbine and method of making the same: …

Patent US8556571 - Vertical axis dual vortex …

United States Patent US4115027 Note: If you have problems viewing the PDF, please make sure you have the latest version of Adobe Acrobat. [ PDF help]

Patent US7967569 - Vertical shaft wind turbine …

US4115027 * 7 Oca 1977: 19 Eyl 1978: Robert Nason Thomas: Vertical windmill: US4132499 * 25 Oca 1977: ... Vertical axis wind turbine system: US7880322 * 28 Eyl …

Patent US8376688 - Vertical axis wind turbine - …

US4115027: 7 Oca 1977: 19 Eyl 1978: Robert Nason Thomas: Vertical windmill: ... Infuser augmented vertical wind turbine electrical generating system: US7294948: 20 ...

Patent US8143738 - Hyper-surface wind …

A self-regulating vertical axis windmill includes a wind actuable rotor and a plurality of baffle panels arranged around the outside of the rotor and pivotably ...

Patent US4302684 - Free wing turbine - Google …

Vertical windmill Abstract. An omnidirectional windmill employing lift type airfoils mounted about a vertical axis. The windmill includes a support frame which ...

Patent US4264279 - Fixed geometry self starting …

Wind turbine having airfoils for blocking and directing wind and rotors with or without a ... US4115027: 7 Jan 1977: ... Vertical axis wind turbine generator: US5163813:

US Patent # 4,115,027. Vertical windmill - …

Patenten Publicatienummer ... An omni-directional vertical wind turbine electric generator system has been disclosed in U.S. Pat. No. 7,109,599 to ... US4115027: 7 ...

Vertical windmill - freepatentsonline.com

This invention relates to a fixed geometry self starting wind turbine having a blade rotatable about a vertical axis.