Patent ID: 7980827
Filing Date: 2011-07-19
Classification: F03D,F05B,Y02E,Y02P,Y10T

Abstract:
1. A method for assembling a first windmill arm section and a second windmill arm section in extension of one another to form at least a part of a windmill arm, comprising: providing a connecting piece having a plurality of modules with a first flange for attachment to an end of the first windmill arm section and a second flange for attachment to an end of the second windmill arm section where the first and second flanges are firmly interconnected; providing at least one hole for a bolt in the first and second flanges; providing an individual bolt for the at least one bolt hole associated with the first and the second flanges; and forming at least part of a windmill arm by attaching the first and second flanges of the connecting piece to the respective first and second windmill arm sections by inserting the respective bolt thorough the associated bolt hole and securing the bolt into the respective adjacent windmill arm section, wherein the connecting piece which connects the two windmill arm sections is designed with end surfaces having a relative alignment resulting in the longitudinal axes of the two joined-together sections forming an angle which is not equal to 0.