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:
Feb. 21, 2012
Filed:
Oct. 20, 2009
Jonas Kristensen, Skjern, DK;
Jonas Kristensen, Skjern, DK;
Vestas Wind Systems A/S, Aarhus N, DK;
Abstract
The disclosure relates to a method of erecting a tower comprising; —providing a foundation (); —providing at least one top section () of a tower; —providing a first lifting mechanism () adapted to carry the top section (); —providing at least one lower most tower section () onto the foundation (); —lifting said at least one top section () of the tower by lifting the first lifting mechanism () relative said at least one lower most tower section (); —adding at least one second lower most section () above said at least one lower most tower section (); —lifting said at least one top section () of the tower by lifting the first lifting mechanism () relative said at least one second lower most tower section (). Preferably a second lifting mechanism is carried by a nacelle which is rotatably arranged on the top section, thereby allowing the second lifting mechanism to be orientated in different orientations relative the top section.