Joseph Howard Stevens

US Patent:

20120070233, Mar 22, 2012

Filed:

Nov 11, 2010

Appl. No.:

12/944408

Inventors:

William M. Isenhower - Austin TX, US
Jose A. Arrellaga - Austin TX, US
Luis Vasquez - Austin TX, US
Joseph O. Stevens - San Diego CA, US

Assignee:

Ensoft, Inc. - Austin TX

International Classification:

E02D 11/00
G06G 7/48
E02D 5/54

US Classification:

405232, 405255, 703 7

Abstract:

A base for holding a wind turbine tower is disclosed. The base includes individual shaft piles, a base cap and anchoring units. The base cap includes reinforcement inserts and is connected to each of the individual shaft piles. The anchoring units are embedded in the base cap and extend in an anchoring direction from the base cap at anchoring locations for anchoring the wind turbine tower to the base cap. Each of the reinforcement inserts extend in a radial direction relative to a center axis of the wind turbine tower. At least one of the plurality of reinforcement inserts, at a radius of the center axis adjacent to an anchoring location of a respective anchoring unit, has a portion of the respective reinforcement insert extending along the anchoring direction.