Patent ID: 8983243
Filing Date: 2015-03-17
Classification: G01M

Abstract:
1. Wind turbine blade extending along a longitudinal axis from a root end to a tip end and in a transverse plane perpendicular to the longitudinal axis, the transverse plane having a main axis extending through an elastic center point, the wind turbine blade having a blade shell forming a profiled contour including a pressure side and a suction side, and a leading edge and a trailing edge with a chord having a chord length extending there between, the main axis being parallel to the chord, the wind turbine blade comprising: a sensor system with an optical path having: a patch optical fiber, the patch optical fiber including a patch core with a patch core diameter, wherein the patch optical fiber extends from a first end to a second end and connects the first optical sensor fiber and the second optical sensor fiber, and wherein the first core diameter is the same as the patch core diameter.