The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 10, 2013
Filed:
Aug. 30, 2010
Pierre Cornelius Delago, Afton, MN (US);
Wayne Robert Long, Eagan, MN (US);
Pierre Cornelius Delago, Afton, MN (US);
Wayne Robert Long, Eagan, MN (US);
National Oilwell Varco, L.P., Houston, TX (US);
Abstract
A wind turbine system erection apparatus may include a body portion having a window, a section handler secured to the body portion and extending through the window, the section handler adapted to pick, lift, axis-align, and set a mast section, and a movement mechanism secured to the body portion, the movement mechanism adapted to moveably reposition the body portion along the length of the mast of the wind turbine system. A method is also disclosed and may include positioning an erection apparatus near a base of a mast of the wind turbine system, the positioning including locating the erection apparatus substantially concentrically with the mast. The method may also include picking a mast section from near the base of the system with the erection apparatus, lifting the mast section along the length of the mast, and translating the mast section into the erection apparatus and into alignment with the mast.