Wind turbine
US4311434A · kind A · utility
57Cited by
6References
2Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Mar 13, 1981 |
| Grant date | Jan 19, 1982 |
| Priority date | — |
| Expiry date | Mar 13, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The improvement in a wind turbine comprises providing a tower with a freely liftable mount and adapting a nacelle which is fitted with a propeller windwheel consisting of a plurality of rotor blades and provided therein with means for conversion of wind energy to be shifted onto said mount attached to the tower. In case of a violent wind storm, the nacelle can be lowered down to the ground to protect the rotor blades from breakage due to the force of the wind. Required maintenance and inspection of the nacelle and replacement of rotor blades can be safely carried out on the ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.