Patent ID: 8898991
Filing Date: 2014-12-02
Classification: E04H,F03D,Y02E

Abstract:
1. A wind turbine, comprising: a nacelle; a tower comprising an upper section and a base section supported on a foundation; and a tower base ring assembly connectable to the foundation, the tower base ring assembly comprising a top ring and a bottom ring having an open center, the top ring separate from and connected to the base section of the tower with connect bolts wherein the top ring and the bottom ring are detachable from one another, wherein the bottom ring comprises a plurality of troughs spaced circumferentially about the open center, the plurality of troughs extending radially from the open center towards an outer diameter of the bottom ring, each trough comprising an open radially inner end and a closed outer end that is offset from the outer diameter of the bottom ring by a defined width around the periphery of the bottom ring, the troughs aligned with the connect bolts such that the connect bolts extend vertically into the troughs and are accessible from the open center via the open radially inner ends of the troughs.