EP 3788259 A4 20211215 - METHODS FOR REFURBISHING WIND TURBINES
Title (en)
METHODS FOR REFURBISHING WIND TURBINES
Title (de)
VERFAHREN ZUR SANIERUNG VON WINDTURBINEN
Title (fr)
PROCÉDÉS DE REMISE EN ÉTAT D'ÉOLIENNES
Publication
Application
Priority
US 2018030159 W 20180430
Abstract (en)
[origin: WO2019212474A1] Methods for refurbishing a wind turbine are provided. A method includes removing an existing machine head and existing top tower section from the wind turbine. The wind turbine further includes a lower tower section, the lower tower section comprising a top flange, the top flange defining a first plurality of fastener holes disposed in a first hole pattern. The method further includes connecting a new machine head and new top tower section to the wind turbine. The new top tower section comprises a bottom flange, the bottom flange defining a second plurality of fastener holes disposed in a second hole pattern. The second hole pattern matches the first hole pattern.
IPC 8 full level
F03D 80/50 (2016.01); B23P 6/04 (2006.01); E04H 12/08 (2006.01); F03D 13/20 (2016.01); F03D 80/80 (2016.01)
CPC (source: EP)
E04H 12/08 (2013.01); F03D 13/20 (2016.05); F05B 2230/80 (2013.01); Y02E 10/72 (2013.01); Y02E 10/728 (2013.01); Y02P 70/50 (2015.11)
Citation (search report)
- [XI] US 2018038350 A1 20180208 - LEONARD JAY F [US], et al
- [XI] WO 2017068225 A1 20170427 - DREIVENTUM S L U [ES]
- See references of WO 2019212474A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2019212474 A1 20191107; CN 112020609 A 20201201; EP 3788259 A1 20210310; EP 3788259 A4 20211215
DOCDB simple family (application)
US 2018030159 W 20180430; CN 201880093002 A 20180430; EP 18917569 A 20180430