A floating wave power generator is capable of lifting under remote control, and includes a linear generator fixed to a seabed and a floating assembly connected with the linear generator, where the floating assembly includes a lower floating body connected with a motor of the linear generator through an anchor chain, an upper floating body connected with the lower floating body through a rigid rod and floating on the sea surface, where the upper floating body is used for collecting wave energy and controlling the buoyancy of the whole floating assembly, the lower floating body is used for assisting the upper floating body to collect wave energy and controlling a distance between the whole floating assembly and the linear generator, the motor of the linear generator is used for cutting magnetic induction lines to generate electric power according to a lift-up/down movement of the whole floating assembly.

The Buoyant Synchrony Actuated Inductance AC Generator is a Wave Energy Converter using marine energy from Wave Power and converting it to Electricity. The Wave Energy Converter includes numerous sub-generators operating independently within its self. The Wave Energy Converter utilizes at least two balls which undergo rotational, radial, and angular motion so as to increase a frequency of movement of a plurality of magnets as they move in the vertical direction along with a wave. Solenoids are positioned in the Wave Energy Converter so as to capture the movement of the magnets and convert the movement into an electrical current.

An apparatus for generating energy from ocean waves, the apparatus including a first or outer section arranged to be coupled to a sea floor and a second or inner section that is at least partially received by and slidably moveable within the first section. The first section includes a float housing arranged to be located toward or at a sea surface and an armature housing extending from the float housing toward the sea floor, the float housing having one or more apertures so that a water level within the float housing is substantially similar to or follows that of the sea surface. The second section includes a float slidably received by the float housing and a stem carrying a magnetic element that extends from the float so as to be receivable by the armature housing. The arrangement is such that the float travels in substantially vertical direction within the float housing in response to movement of the sea surface thereby the armature housing being moved relative to the magnetic element to generate energy.

A multi-source power generation system to generate electricity by utilizing a combination of renewable energy sources such as wind, solar and wave energy is disclosed. The power generating system comprises a frame including a float body and a cylindrical body integral to the float body is submerged below the surface of sea water. A solar power generator comprising solar panel is mounted above the float portion, which is configured to receive the solar power energy and produce electrical potential. A wave energy generator is disposed inside the cylindrical body to harness wave energy from wave motion. A wind turbine disposed on the float body, which is configured to harness wind energy from wind. The cylindrical body comprises a cylindrical compartment including a cylindrical magnet which is configured to move in and out of a coil to generate electrical energy.

A Vernier permanent magnet linear generator employs a translator having a plurality of translator modules oriented in a vertical array. At least a portion of the plurality of translator modules has permanent magnets. Supports at lateral edges of the plurality of translator modules and a rod connected to the supports attach the translator to a driving element. The driving element reciprocating the translator in a longitudinal direction. Two stators are supported on a reaction body oppositely spaced from the vertical array of translator modules by an air gap and offset by one half slot pitch. The stators have three phase integral-slot stator windings magnetically interacting with a magnetic field induced by the permanent magnets. A slot depth of the stators is configured such that an 11.sup.th harmonic component of the magnetic field is saturated at a multiple value of a 1.sup.st harmonic component.

A wave energy converter incorporates a floating body and a reaction body engaging the floating body wherein the reaction body is static or oscillating out of phase relative to the floating body. A power take-off (PTO) has at least one direct drive linear generator, a high level controller responsive to sensors engaged to the direct drive linear generator and providing a PTO force change command (dF.sub.PTO) and a low level controller receiving the PTO force change command and providing control signals to power electronics connected to the direct drive linear generator. The direct drive linear generator is operable responsive to the control signals to achieve optimal power extraction performance with high force at low speed with operation in two physical directions and operating as both a motor and a generator for a total of four quadrants of control.

It is disclosed a device (1) for generating electric energy from a pressurized fluid (4) comprising a stator (2), which includes a tubular body on which a solenoid (21) is wound, and a rotor (3) mobile housed inside the tubular body of the stator (2). The rotor (3) comprises a ring-shaped support element (6) and a plurality of hydraulic blades (57) each provided with a respective magnet (5) and mounted on the supporting element (6), integral with it. The rotor (3) is rotated within the tubular body of the stator (2) by the pressurized fluid (4) entering the device (1), so that the magnets (5) of the hydraulic blades (57) generate a magnetic field (22) which induces electric energy in the solenoid (21) of the stator (2).

The ocean wave power generator with an artificially intelligent controller is a wave power generator based on a two-body mass-spring-damper system, including a first mass, a second mass, and a linear generator coupled to the second mass. A linear actuator is coupled to the second mass, and first and second motion sensors are positioned for detecting position and speed of the first and second masses. The maximum power output of the linear generator is determined based on the position and the speed of the first mass, and an ideal position and an ideal speed of the second mass, corresponding to the maximum power output of the linear generator and the position and the speed of the first mass, are determined. The position and the speed of the second mass are adjusted using a linear actuator to match the ideal position and the ideal speed of the second mass.

A damping system for a heave compensator for an off-shore oil rig includes a hydraulic cylinder having a piston and a housing. The hydraulic cylinder is configured for accepting a hydraulic fluid. There is a flow passage for restricting the flow of the hydraulic fluid during movement of the piston in the housing. The hydraulic fluid is a magnetic fluid and the damping system includes a magnetic fluid management system for controlling a magnetic field at the flow passage. A heave compensator including such a damping system, and a method for controlling the damping of a heave compensator are also disclosed, the method including subjecting a magnetic fluid to a magnetic field at a flow passage for restricting the flow of the magnetic fluid.

The ocean wave power generator with an artificially intelligent controller is a wave power generator based on a two-body mass-spring-damper system, including a first mass, a second mass, and a linear generator coupled to the second mass. A linear actuator is coupled to the second mass, and first and second motion sensors are positioned for detecting position and speed of the first and second masses. The maximum power output of the linear generator is determined based on the position and the speed of the first mass, and an ideal position and an ideal speed of the second mass, corresponding to the maximum power output of the linear generator and the position and the speed of the first mass, are determined. The position and the speed of the second mass are adjusted using a linear actuator to match the ideal position and the ideal speed of the second mass.