Patent ID: 11932360
Assignee: UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES
Field: Transport (Mechanical engineering)
Classification: CPC B  F  Y | IPC B  F

Claim 7:
8. A tuned mass damper (TMD) system in combination with a floating offshore wind turbine (FOWT) platform comprising:
a FOWT platform having a center, at least three legs extending radially from the center, and configured to have a wind turbine tower mounted thereon; and
a TMD system, a portion of which is mounted in each of the legs, each leg having:
a first TMD at an outboard end of each leg and configured to operate at a first frequency; and
a second TMD at an inboard end of each leg configured to operate at a second frequency different than the first frequency;
wherein the first TMD includes a first water ballast chamber that defines a mass of the first TMD, and wherein the second TMD includes a second water ballast chamber that defines a mass of the second TMD.