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

Claim 16:
17. A tuned mass damper (TMD) system in combination with a floating offshore wind turbine (FOWT) platform comprising:
a semi-submersible FOWT platform having a center, at least three legs extending radially from the center, a center column, an outer column at a distal end of each of the at least three legs, and configured to have a wind turbine tower mounted on the center column; and
a TMD system mounted in the FOWT platform and including a horizontally oriented first TMD mounted in each of the legs, and a vertically mounted second TMD mounted in each of the columns;
wherein the first TMDs in each leg include a first water ballast chamber that defines a mass of the first TMD, and wherein the second TMDs in each column include a second water ballast chamber that defines a mass of the second TMD; and
wherein each of the first and the second TMDs may be configured to operate at a different frequency.