Wind powered generator with cyclic airfoil latching
Patent
·
OSTI ID:5648226
A wind powered generator rotatable about a vertical axis is described. A plurality of vertically disposed airfoils are provided, the airfoils being rotatable about a vertical axis parallel to the axis of the generator. The airfoils are selectively latched to be disposed perpendicularly of the wind direction during one phase of their revolution about the generator axis and are selectively unlatched to be permitted to rotate into a position generally parallel to the wind direction during other phases of their revolution. The latching and unlatching of the airfoils is determined by the wind direction and is effected by electronic means which determine the point of latching and unlatching as a function of the wind direction measured by a wind vane. The airfoils may comprise sails composed of a flexible material stretched into a predetermined shape on a frame.
- Assignee:
- IFI; EDB-82-076917
- Patent Number(s):
- US 4303835
- OSTI ID:
- 5648226
- Country of Publication:
- United States
- Language:
- English
Similar Records
Vertical axis wind turbine airfoil
Mooring latch for marine structures
Wind turbine
Patent
·
Mon Dec 17 23:00:00 EST 2012
·
OSTI ID:1082347
Mooring latch for marine structures
Patent
·
Tue May 09 00:00:00 EDT 2023
·
OSTI ID:1998352
Wind turbine
Patent
·
Tue Oct 15 00:00:00 EDT 1985
·
OSTI ID:5920536