Abstract: A wave energy converter (WEC) system includes a float, a drivetrain, a reaction structure coupled to the drivetrain by at least one tendon, and a power dissipation system coupled to the drivetrain. The power dissipation system is configured to manage peak loads in the WEC system by dissipating peak energy spikes caused by relative movement of the reaction structure and the float.

Abstract: A wave energy converter (WEC) system includes a float, a drivetrain, a reaction structure coupled to the drivetrain by at least one tendon, and a power dissipation system coupled to the drivetrain. The power dissipation system is configured to manage peak loads in the WEC system by dissipating peak energy spikes caused by relative movement of the reaction structure and the float.

Abstract: An apparatus, system, and method are disclosed for WEC system for a wave energy converter. The system includes a buoyant object, a reaction bity and a line coupling the reaction body and the buoyant object. The system further includes a drivetrain coupled to one of the buoyant object or reaction body. The drivetrain includes a sheave coupled to one of the buoyant object or reaction body and an actuator coupled to the sheave. The line is coupled to the sheave, wherein movement of the buoyant object relative to the reaction body applies a force to the sheave. The force on the sheave drives the actuator, wherein the actuator is configured to apply a spring force.

Abstract: An apparatus, system, and method are disclosed for WEC system for a wave energy converter. The system includes a buoyant object, a reaction body and a line coupling the reaction body and the buoyant object. The system further includes a drivetrain coupled to one of the buoyant object or reaction body. The drivetrain includes a sheave coupled to one of the buoyant object or reaction body and an actuator coupled to the sheave. The line is coupled to the sheave, wherein movement of the buoyant object relative to the reaction body applies a force to the sheave. The force on the sheave drives the actuator, wherein the actuator is configured to apply a spring force.

Abstract: A system for production of desalinated water includes a wave energy convertor for conversion of mechanical energy from ocean waves into electricity and mechanical energy in the form of a salt-water stream. The system further includes a desalination unit coupled to the wave energy convertor. The system further includes an electrical connection from the wave energy convertor to the desalination unit, configured to supply the electricity to the desalination unit. The system further includes a conduit to supply the salt-water stream produced by the wave energy convertor to the desalination unit, wherein the desalination unit is configured to produce desalinated water.

Abstract: A system converts mechanical wave energy into electrical energy. The system includes a wave energy converter (WEC), which includes a surface float, a reaction structure, a plurality of flexible tethers, and a plurality of drivetrains. Each flexible tether connects the surface float to the reaction structure. Each drivetrain is connected to a corresponding flexible tether. Each flexible tether has a length established to treat the system as an inverse pendulum to utilize a horizontal surge motion of the surface float to present tension at the corresponding drivetrain for production of electrical energy from the horizontal surge motion.

Abstract: A wave energy conversion (WEC) system includes a float body, a heave plate, a tether, and a controller. The tether couples the heave plate to the float body. The controller controls the tether between survivability modes. Each survivability mode adjusts a tension and/or length of the tether.

Abstract: An apparatus, system, and method are disclosed for WEC system for a wave energy converter. The system includes a buoyant object, a reaction body and a line coupling the reaction body and the buoyant object. The system further includes a drivetrain coupled to one of the buoyant object or reaction body. The drivetrain includes a sheave coupled to one of the buoyant object or reaction body and an actuator coupled to the sheave. The line is coupled to the sheave, wherein movement of the buoyant object relative to the reaction body applies a force to the sheave. The force on the sheave drives the actuator, wherein the actuator is configured to apply a spring force.

Abstract: A wave energy conversion (WEC) system includes a float body, a heave plate, a tether, and a controller. The tether couples the heave plate to the float body. The controller controls the tether between survivability modes. Each survivability mode adjusts a tension and/or length of the tether.

Abstract: A wave energy conversion (WEC) system includes a float body, a heave plate, a tether, and a controller. The tether couples the heave plate to the float body. The controller controls the tether between survivability modes. Each survivability mode adjusts a tension and/or length of the tether.

Abstract: A wave energy converter includes a surface float including a non-axisymmetric profile, a reaction plate configured to be submerged below a water surface, and more than one flexible tether, each mechanically coupled to both the surface float and the reaction plate, the reaction plate having a moment of inertia in pitch and roll greater than a moment of inertia in pitch and roll of the surface float.

Abstract: A device for generating electrical energy from mechanical motion includes a surface float and at least one force modifier disposed at least partially within the interior of the surface float, the force modifier to receive an input force at a pumping cylinder and apply a modified force to a generator through a driving cylinder. The pumping cylinder or the driving cylinder is a tandem cylinder.

Abstract: An apparatus, system, and method are disclosed for power transfer system for a wave energy converter. The system includes a plurality of hydraulic cylinders including a first cluster of input cylinders and a second cluster of output cylinders. The input cylinders are coupled to an underwater structure and are configured to receive an input force from a relative motion between a buoy housing and the underwater structure. The output cylinders are configured to transfer an output force to an electric generator. The power transfer system further includes a hydraulic connection between the input cylinders and the output cylinders. The hydraulic connection is configurable to switch a portion of the hydraulic cylinders into and out of the hydraulic connection between the input cylinders and the output cylinders.

Abstract: An apparatus, system, and method are disclosed for power transfer system for a wave energy converter. The system includes a plurality of hydraulic cylinders including a first cluster of input cylinders and a second cluster of output cylinders. The input cylinders are coupled to an underwater structure and are configured to receive an input force from a relative motion between a buoy housing and the underwater structure. The output cylinders are configured to transfer an output force to an electric generator. The power transfer system further includes a hydraulic connection between the input cylinders and the output cylinders. The hydraulic connection is configurable to switch a portion of the hydraulic cylinders into and out of the hydraulic connection between the input cylinders and the output cylinders.

Abstract: A system for transporting a buoy and a heave plate. The system includes a buoy and a heave plate. An outer surface of the buoy has a first geometrical shape. A surface of the heave plate has a geometrical shape complementary to the first geometrical shape of the buoy. The complementary shapes of the buoy and the heave plate facilitate coupling of the heave plate to the outer surface of the buoy in a transport mode.

Abstract: A wave energy converter includes a surface float including a non-axisymmetric profile, a reaction plate configured to be submerged below a water surface, and more than one flexible tether, each mechanically coupled to both the surface float and the reaction plate, the reaction plate having a moment of inertia in pitch and roll greater than a moment of inertia in pitch and roll of the surface float.

Abstract: A device for generating electrical energy from mechanical motion includes a surface float and at least one force modifier disposed at least partially within the interior of the surface float, the force modifier to receive an input force at a pumping cylinder and apply a modified force to a generator through a driving cylinder. The pumping cylinder or the driving cylinder is a tandem cylinder.

Abstract: A system for transporting a buoy and a heave plate. The system includes a buoy and a heave plate. An outer surface of the buoy has a first geometrical shape. A surface of the heave plate has a geometrical shape complementary to the first geometrical shape of the buoy. The complementary shapes of the buoy and the heave plate facilitate coupling of the heave plate to the outer surface of the buoy in a transport mode.

Abstract: A device for converting wave energy includes a surface float, a heave plate, at least one load carrying structure that is mechanically coupled to at least one component of at least one generator on the surface float and the heave plate. The heave plate has an asymmetric geometry to facilitate a first level of resistance to movement in an upward direction and a second level of resistance in a downward direction. The first level of resistance is higher than the second level of resistance. The at least one load carrying structure includes a flexible tether. The at least one component is configured to experience force changes caused by hydrodynamic forces acting on the surface float and heave plate.