727 results about "Wave power" patented technology

A machine and a process to produce compressed air by sea waves, using the weight of the floating platform with its fixture using its up and down movement to compress air in both directions to absorb the maximum energy of that wave in a direct drive bidirectional pump with a single piston wherein the kinetic energy and wave bouncy force is used to compress ambient air as stored energy. This unique arrangement doubles air volume for compression in both directions in any single wave curve, doubles the energy production in both upper and lower chambers of the pump and multiplies the “psi” based on the float thrust area against the size of the piston in the pump. The preferred embodiment can be used as a stand alone unit as well as in array formation for the desired output 24/7.

In an RF power supply for supplying RF power to a plasma load, reflected wave power control is performed in which the reflected wave power of an RF generator is detected and the RF generator is controlled. For a short-time variation in reflected wave power, control is performed based on a peak value variation in the detection value of reflected wave power. For a long-time variation in reflected wave power, control is performed based on a variation in a smoothed value obtained by smoothing detection values of reflected wave power. A reflected wave power control loop system includes a reflected wave power peak value dropping loop system and an arc blocking system that perform control based on a peak variation in reflected wave power and a reflected wave power amount dropping loop system that performs control based on a smoothed power amount of reflected wave power.

The wave powered (WP) propulsion systems developed in great amount for boats are not in use because of small effectiveness caused by rocking process reducing propellor stroke relatively water. Submarines and special quasi-dipped watercrafts deprived of this disadvantage. Their bodies keeps stable the propellors mounted on conning towers or special props owing to the body's great mass. This factor multiplies the WP propellor effectiveness meeting Navy and Merchant fleet requirements. The invention includes designs of: spare WP propulsion plant embedded into submarine diving rudders or folded into pockets of the submarine sail, quasi-dipped watercraft carrying multiple foil WP propulsion system, quasi-dipped tug towing submerged tank, self optimized foil propellor. Experiences with submarine models equipped by the WP propellers have shown excellent results. Expected velocities for submarine 4-7 knots, for the quasi-dipped watercraft 5-15 knots. The folded spare WP propulsion plant does not interrupt submarine functioning.

The invention discloses a measuring method for electrical resistivity of electromagnetic waves while drilling, comprising the following steps: generating an electromagnetic wave power signal with specific frequency; emitting the electromagnetic wave power signal into a ground layer through an emitting antenna coil; receiving two electromagnetic wave power signals including measured ground layer information through two receiving antenna coils so as to generate two paths of electromagnetic wave power signals including the measured ground layer information; carrying out band-pass filtering to the two paths of the electromagnetic wave power signals including the measured ground layer information, and carrying out AD sampling to the two paths of the electromagnetic wave power signals including the measured ground information which is subjected to the band-pass filtering so as to generate two paths of electromagnetic sampling digital signals; carrying out frequency mixing transformation and low-pass filtering to the electromagnetic wave sampling digital signals so as to generate amplitude value information and phase information; generating amplitude value ratio and phase difference according to the amplitude value information and the phase information; and generating an electrical resistivity drawing board of the electromagnetic wave power sinals in a chart inversion method according to the amplitude value ratio and the phase difference. An embodiment of the invention also discloses a measuring device for the electrical resistivity of the electromagnetic waves while drilling.

Systems are provided for obtaining electrical energy from sea waves using deflectable material, especially EAP (electro-active polymers) type SSM (stretchable synthetic material) that generates electricity when an electrostatic charge is applied to the polymer and it is stretched. In one system (10), a buoyant element (12) has upper and lower parts (14, 22) connected by a quantity (36) of SSM, with the lower part anchored at a fixed height above the sea floor (24) and with the upper part movable vertically to stretch and relax the SSM as waves pass over. In another system (50) the buoy is rigid, but is anchored to the sea floor by at least one line (60) that includes, or is connected to at least a length (64) of SSM material. In still another system (160) a plurality of rigid buoys (162) that float on the sea surface, are connected in tandem by SMM (166, 172) that is stretched and relaxed as the buoys pivot relative to each other in following the waves. The buoys preferably lie with at least 80% of their volume below the average sea surface.

Method of cyclic anchoring itinerant (CAI) propulsion uses a phenomenon of anchored float horizontal motion as wave rises. The method repeats a cycle: Detaching the anchor from an immobile medium as a wave begins descent; Accelerating it in new position as the wave descends; Reattaching it to said medium as a wave rises. The medium can be railway or water. Respectively a trolley or a glider works as the anchor. To drag as anchor the glider orients perpendicular to the link. Improvements: adding an auxiliary propeller accelerating the glider, connecting bow and aft gliders with a single boom, making it telescopic, adding a small submarine hull for permanent observation water space, scientific researches, entertainment. The method allows to reequip watercrafts to all-weather, ocean going watercrafts with an unlimited range of operation. These solutions can be widely used in marine rescue remedies. Experimental models of CAI propulsion system show remarkable results.

A wave-powered device having enhanced motion. The device including first, second, and third barges, with the second barge having a first reservoir and a second reservoir. The first and second reservoirs being coupled by a first passageway to permit a first fluid to selectively and passively move between the first and second reservoirs in a predetermined manner to increase the pitching moment of the second barge while the second barge pitches while floating over waves. A first coupling mechanism is coupled between the first and second barges to enable the first and second barges to move relative to one another, and a second coupling mechanism is coupled between the second and third barges to enable the second and third barges to move relative to one another.

The invention discloses a method for automatically testing parameters of a millimeter wave power amplifier and a system. The system comprises the structure that a millimeter wave excitation signal power control unit of a piece to be tested is connected with a millimeter wave excitation signal power generation unit of the piece to be tested; a millimeter wave excitation signal power detection unit of the piece to be tested is connected with the millimeter wave excitation signal power control unit of the piece to be tested; the input end of the piece to be tested is connected with the millimeter wave excitation signal power detection unit of the piece to be tested; the output end of the piece to be tested is connected with the millimeter wave excitation signal power detection unit of the piece to be tested; a direct current signal supply unit of the piece to be tested is connected with the piece to be tested; and a test system control unit is respectively connected with the millimeter wave excitation signal power generation unit of the piece to be tested, the millimeter wave excitation signal power detection unit of the piece to be tested, the direct current signal supply unit of the piece to be tested and an output signal detection unit of the piece to be tested. According to the method and the system disclosed by the invention, the automatic test of multiple millimeter wave power parameters is realized; the difficulty in lacking of test equipment is overcome; and the defects of manual test efficiency, low accuracy, uncertain factors and the like are avoided.

A method for generation of gasses contained in a salt solution in accomplished by disposing automated, floating wave power collection vessels in waters distant from shore, the vessels navigating within one or more predetermined geographic zones, having suitable wave conditions for such operation. The wave power devices generating electricity and the gasses are extracted from the salt solution by electrolysis. Automated storage vessels are used as shuttles to deliver the gasses to shore facilities.

The invention relates to a pendulum wave power generating device which structurally comprises a base, a swinging plate and a transmitting device. The swinging plate is arranged in seawater and connected with the transmitting device through a swinging plate shaft. The transmitting device comprises a first bevel gear, a second bevel gear and a third bevel gear, wherein the first bevel gear is fixed on the swinging plate shaft, the second bevel gear and the third bevel gear are coaxially arranged and are symmetrically arranged on the two sides of the first bevel gear, the second bevel gear and the third bevel gear are meshed with the first bevel gear, the second bevel gear and the third bevel gear are respectively connected with an output shaft through ratchet clutches, and the output shaft is connected with a power generator through a coupler. By means of the transmitting device and the ratchet clutches, the reciprocating motion of the swinging plate is converted into one-way output. Thus, output always faces in the same direction no matter what direction the swinging plate rotates in, and full wave absorption is achieved. The pendulum wave power generating device has the advantages of being stable in energy output, high in transmitting efficiency, simple and compact in structure, small in size, low in cost and the like.

The present invention relates to a wave energy conversion device (1), for use in relatively shallow water, which has a base portion (2) for anchoring to the bed of a body of water (6) and an upstanding flap portion (8) pivotally connected (12) to the base portion. The flap portion is biased to the vertical and oscillates, backwards and forwards about the vertical in response to wave motion acting on its faces. Power extraction means extract energy from the movement of the flap portion. When the base portion (2) is anchored to the bed of a body of water (6) with the flap portion (8) facing the wave motion, the base portion (2) and the flap portion (8) extend vertically through at least the entire depth of the water, to present a substantially continuous surface to the wave motion throughout the full depth of water from the wave crest to the sea bed. A plurality of devices can be interconnected to form one system. The distance between the plurality of flaps is dependent on the wavelength.

An apparatus for converting wave energy into electrical energy includes a wave power generation unit including a frame and float guides. A wave power generation float is joined to the float guides for vertical motion in response to the wave energy. The wave power generation float includes at least one wave power conversion module. The wave power conversion module includes a module case and an air sealing tube formed in the module case for generally preventing fluids from entering the module case. A power transmission cable transmits electrical energy where one end of the power transmission cable passes through the air sealing tube and is joined to the frame. A cable reel winds and unwinds the power transmission cable. A power transmission drive translates a bidirectional rotation of an input shaft into a unidirectional rotation. A generator generates electrical energy in response to the unidirectional rotation.

The invention discloses a multi-functional combined ocean power generating platform capable of being congregated and a congregating group. The congregating group comprises a plurality of polygonal power generating platform bodies, each of the power generating platform bodies comprises buoy platforms, vertical axial wind driven generators, solar power generating units, tidal power generating units, wave power generating units and an ocean aquaculture region, wherein a buoy platform is arranged at each of polygonal angle points; a vertical axial wind driven generator and a solar power generating unit are arranged at the top of each of the buoy platforms; a tidal power generating unit is arranged at the bottom of each of the buoy platforms; the wave power generating units are used for connecting the buoy platforms in a flexible manner; the ocean aquaculture region is formed by surrounding a fishing net hooked in the wave power generating units. According to the congregating group disclosed by the invention, various power generation such as wind power generation, solar power generation, tidal power generation and wave power generation, fishery aquaculture and sea water desalination are integrated, structure problems caused by large spans among buoys in rigid coupling can also be solved, mutual interference distances among the vertical axial wind driven generators are short, the gravity center of a generator group on the platform is lower, distances among the buoys are short, wave energy can be collected, and impact from waves to the buoys is retarded.

The invention relates to a wideband multi-channel substrate integrated waveguide power divider adopting a novel high-isolation technology. Input/output ports and a substrate integrated waveguide cavity are connected by using a novel mixed multi-through-hole probe to realize wideband impedance matching. A flow drainage groove and a resistive isolating groove are formed on the substrate integrated waveguide cavity, and an isolating resistor is arranged on the resistive isolating groove to obtain high isolation characteristic of each output port. The output ports are distributed at equal intervals on a circle by taking an input port as the center, and the whole power dividing circuit has axial rotation symmetry, so that the amplitudes of multi-channel power dividing signals are equal, N-channel parallel power division is realized, and signal transmission loss can be reduced to the largest extent. The power dividing circuit can be flexibly designed into an in-phase power divider, an inverse-phase power divider and a differential power divider. The wideband multi-channel substrate integrated waveguide power divider has the advantages of wide band, low insertion loss, high isolation, any multi-channel power dividing output, high input/output standing wave, high amplitude consistency of each channel of power dividing output signal, and the like. The wideband multi-channel substrate integrated waveguide power divider is mainly applicable to a microwave millimeter wave power synthesis amplification system, a phased-array antenna feed network and the like, and has a wide application prospect in microwave millimeter wave systems for communication, radar and measurement.

The invention belongs to the technical field of space time self-adaptation processing and particularly relates to an airborne radar space time self-adaptation processing method with sparse representation. The method comprises the steps that (1) the sparsity of the clutter spectrum is used, and a high-resolution estimation method based on sparse representation is used for estimating the clutter spectrum power spectrum; (2) a clutter wave crest curve fitting method based on an RANSAC method is used for removing fake peaks in the clutter spectrum obtained based on sparse representation; and (3) the clutter wave power spectrum with the fake peaks removed is used for estimating a clutter covariance matrix (CCM) and an aerial carrier flying parameter stably. Compared with a traditional STAP algorithm, the method has good clutter rejection performance under a small sample condition, and convergence speed is obviously improved.

One embodiment of an axial rotary joint having rotary transmission lines for the bi-directional propagation of radio frequency electromagnetic waves and light waves across a rotary interface. Each section is capable of fully independent rotation about a common longitudinal axis. The radio frequency rotary transmission line comprises waveguide tubing at each end that transitions to a coax transmission line at the rotary interface. The waveguide tubing also functions as the axial support structure. The second transmission line for light wave propagation is fully integrated into the waveguide-to-coax transition and the inner coaxial conductor, and uses optical coupling devices to form an optical coupling path across the rotary interface. This embodiment of the rotary joint can be sealed and pressurized to minimize contamination of the optics and to increase the electromagnetic wave power handling. The second transmission line in another embodiment is a combined millimeter wave and optical transmission line supporting simultaneous millimeter wave and light wave propagation across the rotary interface. Combining and decombining filters incorporated into the physical rotary transmission lines in other embodiments create a multitude of channels on various frequencies and wavelengths, greatly increasing the usefulness of the device.

An Endurance Extension Module (EXM) for powering an Unmanned Underwater Vehicle. The EXM converts wave motion to locomotive thrust, towing the UUV from point to point or keeping it in place against an opposing current. The EXM may also supply the UUV with electricity for driving an electric motor or powering on-board electronics. The EXM can be refracted onto the UUV when not in use to minimize drag, or it can release the UUV as prologue to a subsequent rendezvous. The EXM-UUV combinations of this invention allow extended autonomous missions over wider territory for purposes such as surveying, monitoring conditions, or delivering cargo.

This disclosure relates to a wave power generating apparatus capable of operating a generator with a tidal motion and wave energy of the tide to be converted into electric energy, and more particularly, to a wave power generating apparatus capable of generating power by transmitting a rotating force to a power transmission shaft by means of a tidal motion of the tide when a float moves upwards and simultaneously capable of generating power by transmitting kinetic energy of the float obtained by lateral force of the tide to the power transmission shaft.

A wave power apparatus (302) includes a plurality of rotationally supported arms (322) , each of which carries a float (324) at its free end, so that a translational movement of the float caused by a wave results in rotation of the arm. The apparatus comprises power conversion means (128,130) for converting power transmitted from the wave to the arms into electric power, e.g. a hydraulic system. The plurality of apparatus is arranged in a row such that a wave passing the row of arms causes the arms to successively pivot with a mutual phase shift. Thereby, an even power output may be achieved, and the need for frequency converters may be reduced or eliminated. Preferably, each arm is connected to a hydraulic cylinder (328) of the hydraulic system, whereby a plurality of arms feed hydraulic medium into the hydraulic motor or motors through common hydraulic conduits (180).

The invention relates to an offshore energy island device, comprising: an offshore platform, wherein a tidal current energy power generation device, a wave energy power generation device, a photovoltaic power generation device, a wind energy power generation device, a hydrogen production device and a seawater desalination device are all arranged on the offshore platform; the tidal current energy power generation device, the wave energy power generation device, the photovoltaic power generation device and the wind energy power generation device are all electrically connected with the hydrogen production device and used for providing electric energy for the hydrogen production device; and the tidal current energy power generation device, the wave energy power generation device, the photovoltaic power generation device and the wind energy power generation device are all electrically connected with the seawater desalination device and used for providing electric energy for the seawater desalination device. Various renewable resources in the sea are fully utilized and provide electric energy for the operation of the seawater desalination device and the hydrogen production device, the stability of the power supply process is ensured and the input-output ratio is improved.

A wave power converter employing independently staged surge energy capture for converting useful wave surge energy to electric power over a relatively broad range of surf conditions. The wave surge power converter includes an inclined ramp with several openings for receiving wave water into several independent chambers for capturing and retaining surge water in hydraulic isolation, a check valve in each chamber permitting water to flow into a conduit and a generator for producing electrical power from water flow in the conduit. The apparatus is suitable for low-cost manufacture, offers simple robust operation suitable for underdeveloped regions of the world, may be fabricated from commonly-available components, requires few moving parts and no valuable (lootable) components other than a generator, and is self-flushing for low maintenance operation.

The invention relates to a maritime renewable energy transfer device which comprises an ocean platform and a wave energy generator, wherein the wave energy generator is arranged on the platform surface of the ocean platform, preferably, the wave energy generator comprises a wave floating body and a mechanical driving and generating component; the mechanical driving and generating component is arranged on the platform surface; the wave floating body comprises a floating body and a straight rack gear arranged on the floating body; the mechanical driving and generating component comprises a straight rack gear limiting component, a first rotating shaft and a first gear arranged on the first rotating shaft; the floating body is positioned below the platform surface; the straight rack gear passes through the platform surface from bottom to top and is meshed with the first gear; the straight rack gear limiting component supports a limiting straight rack gear; and the ocean platform is a tension leg type ocean platform. The invention also provides a maritime renewable energy transfer system for using wind power and wave power to generate power in a combined grid. The invention is ingeniously designed, can effectively utilize maritime renewable energy and provide energy for ocean development away from the land, and is safe, stable and reliable and convenient for engineering implementation and daily maintenance.

The invention relates to a device for using low-speed disordered low-grade mechanical energy in power generation, in particular to a reciprocating wave power generating device, which is characterizedin that the device consists of a floating energy collection device, a floating push rod, a swing lever, a sliding rack, ratchet gears, a variable-speed energy storage device, an energy storage flywheel and a generator; the floating energy collection device transfers energy to the swing lever through the floating push rod movably connected with the floating energy collection device; the swing leveris movably connected with the sliding rack; the ratchet gears are divided into two types, namely a clockwise type and an anticlockwise type, and all mesh with the sliding rack; the ratchet gears drive the variable-speed energy storage device and the energy storage flywheel to rotate; and the energy storage flywheel drives the generator to work. The energy utilized by the device is pollution-freeenergy which can also be used as the energy for producing hydrogen, desalinating seawater and processing foods as well as various industrial/agricultural products, besides the use in power generation.

The present invention relates to a wave power generator, and more particularly, to a wave power generator that has comparatively high energy conversion efficiency, so that it can induce active investment and research and development to overcome uncertainties about the natural environment, and which can enhance practicability and value as a clean energy source, especially by virtue of the improved return on investment thereof. For this purpose, the wave power generator of the present invention is characterized in that is comprises: a plurality of rafts arranged on a water surface to move freely with the movement of waves; a plurality of connectors, connecting the plurality of rafts to each other, for performing the conversion of kinetic energy by converting the wave-induced movement of one raft into an amplified lever movement on an adjacent raft; a plurality of generators installed on the plurality of rafts to generate electricity; and an energy-converting unit, connected to the plurality of connectors and to the plurality of generators, for converting the kinetic energy from the plurality of connectors into rotational energy for driving the plurality of generators.

The invention discloses a wave power device. The wave power device comprises at least two wave energy conversion units, a turbine, a pipeline and a generator; the turbine and the generator are arranged in the pipeline; a generator shaft is fixedly connected with a turbine shaft; the upper end of the pipeline is communicated with the wave energy conversion units; each wave energy conversion unit comprises a floater, a connection rod, an upper check valve, a lower check valve, a cylinder body and a piston; the connection rod is fixedly connected between the floater and the piston; the upper check valve is arranged on the piston; the lower check valve is arranged on a bottom plate of the cylinder body; the lower end of the cylinder body is in sealing connection with the pipeline; and all the wave energy conversion units are communicated with the upper end of the pipeline respectively. Each wave energy conversion unit can work independently and stably, can collect the random wave energy in a large scale, and provides the wave energy for the generator for stable power generation, and the power generation efficiency can be adjusted by adjusting the number of the wave energy conversion units.

A desalination system comprises a reverse osmosis device, a pump for pressurizing fluid to be desalinated, a supply conduit for supplying the pressurized fluid to the reverse osmosis device, and a wave power system for driving operation of the pump, wherein the wave power system comprises a turbine connectable to a transmission for driving operation of the pump and arranged such that in operation rotation of the turbine provides mechanical energy to the transmission to drive operation of the pump; and a wave energy conversion device connectable to a turbine fluid supply conduit for supplying fluid to the turbine, wherein the wave energy conversion device is arranged to operate in response to wave motion to transfer fluid through the turbine fluid supply conduit to drive rotation of the turbine.

The invention aims to provide a floating type marine wind energy and wave energy hybrid power generation platform which comprises a vertical shaft wind driven generator, an oscillating type wave power generating device and a floating body, wherein the vertical shaft wind driven generator and the oscillating type wave power generating device are respectively arranged on the floating body; the oscillating type wave power generating device comprises a floater, an oscillating rod and a wave power generator; the floater is connected with the oscillating rod, and the oscillating rod is connected with the wave power generator through a wave motion reversing device; and the wave power generator is connected with an energy storage device through a power conversion device. According to the floating type marine wind energy and wave energy hybrid power generation platform, the application range of the hybrid power generation platform is expanded, the stability and the safety performance of the power generation platform are improved, the construction cost and the maintenance cost are reduced, and the power generation efficiency is improved by active stall control and phase change control, so that the floating type marine wind energy and wave energy hybrid power generation platform is a reliable offshore power generation platform.

The present invention relates to the technical field of millimeter wave power distribution synthesis, and particularly relates to a novel composite function gradient millimeter wave waveguide power distribution synthesizer. The distribution synthesizer comprises N-level allocators and symmetrically arranged synthesizers with the same amount and connected with each other through a power amplification chip; the allocator matrices are connected with 2N-2 allocator daughters through a one-level two-way waveguide power divider; and the synthesizer matrices are connected with 2N-2 synthesizer daughters through a one-level two-way waveguide power combiner. The distribution synthesizer disclosed by the present invention is applicable to a millimeter wave band, and has advantages such as a wide wave band, a large capacity, high efficiency, lower consumption, and the like.

The invention discloses a device and a method for detecting the corrosion of a conductor of a grounding grid of a power system based on an SH0 (horizontal shear) wave, which belong to the technical field of nondestructive detection. A pulse function generating instrument passes through an impedance matching instrument at an exciting end, and then is connected with an SH0 wave electromagnetic acoustic excitation energy converter, so as to excite the SH0 wave without frequency dispersion and with single modality, good directionality and large energy; an SH0 wave electromagnetic acoustic excitation energy converter 3 and an SH0 wave electromagnetic acoustic receiving energy converter 4 are placed on a central axis in the length direction of the conductor of the grounding grid; an excitation frequency is a maximum frequency of the working energy of a sensor; and the nondestructive detection is carried out on the corrosion of the conductor of the grounding grid by utilizing the SH0 wave generated under a central frequency. By using the device and the method, the defects that the detection of the corrosion of the conductor of the grounding grid is incomplete, the implementation of detecting a metal constructional element by utilizing a Lamb wave is inconvenient, and the Lamb wave has multimodality, frequency dispersion and an obvious boundary effect, and easily generates modality conversion are overcome, and the nondestructive detection method can serve the nondestructive detection remotely, quickly and completely, and is further popularized to the nondestructive detection of the corrosion of narrow strip metal structures.

A wave power assembly having a hull and a linear electric generator. The rotor is connected to the hull by connection means so that lifting force is transferred from the hull to the rotor. Spring means exert a force on the rotor that is counter-directed the lifting force. The spring means is arranged to, at a motion amplitude corresponding to 50% of the maximum length of stroke of the rotor, exert a force, the size of which varies by a factor of 2.5 as a maximum. The invention also relates to a wave power plant built up from wave power assemblies according to the invention. Furthermore, the invention relates to a use of the wave power assembly and a method for the generation of electric energy.