1237results about "Mechanical power devices" patented technology

An aperture unit having an optical axis is provided, which includes a fixed portion having a first surface and including a protrusion formed on the first surface, a guiding element movably connected to the fixed portion and including a through hole, a first blade movably connected to the guiding element and the fixed portion, and a driving assembly use for driving the guiding element to move for moving the first blade. The optical axis passes through the through hole. The first surface has a first accommodating space having a recessed structure to accommodate the guiding element, and the protrusion extends toward the first blade.

The invention discloses an offshore multi-energy combined supply system based on constant-pressure compressed carbon dioxide energy storage and an operation method of the offshore multi-energy combined supply system. The system comprises a working medium storage device, a heat energy storage device, a charging process module, a gas-liquid conversion loop, a discharging process module, a cold energy supply module and a heat energy supply module. By improving the energy release process structure of the compressed carbon dioxide energy storage system, the pressure of high-pressure carbon dioxide is reduced to normal pressure after primary expansion, so that low-temperature cold energy is generated while power is generated, consumption of stored heat is saved, residual stored heat is used for heat supply, the comprehensive utilization rate of energy is increased, and combined supply of cooling, heating and power is achieved; the system further comprises an integrated thermally-driven combined cooling and power supply subsystem capable of switching power generation / refrigeration modes, organic Rankine cycle and jet refrigeration cycle are highly integrated, investment cost and space occupation are reduced, redundant heat energy is flexibly and efficiently converted into electric energy or cold energy, and the flexibility of multi-energy combined supply of the system is improved.

The invention discloses a non-selective membrane mixing system for solar seawater desalination and all-weather salinity difference energy collection. The non-selective membrane mixing system comprises a chamber for accommodating seawater; the salinity gradient energy power generation module is arranged at the bottom of the chamber and comprises a cation electrode and an anion electrode which are connected through an external circuit, and the cation electrode and the anion electrode are immersed in the seawater in the chamber; the salinity gradient energy generation module comprises an evaporator and a condensation cover, the evaporator floats in the seawater in the cavity, and the condensation cover is located at the top of the cavity; wherein no ion selective membrane is arranged between the cation electrode and the anion electrode. According to the system, photo-thermal evaporation fresh water production and salinity gradient energy power generation / energy storage processes are coupled, and membrane-free all-weather salinity gradient energy collection is realized.

The invention discloses a space radiant energy collection and conversion system, which relates to the technical field of energy conversion, and comprises a motor, a main shaft, a steam turbine, an expansion machine and a synchronous generator, a clutch I and a clutch II are respectively mounted on the main shaft on the right side of the motor and the left side of the steam turbine; and a transmission I, a transmission II and a transmission III are sequentially mounted on the main shaft between the clutch I and the clutch II. According to the space radiant energy collection and conversion system, energy sources are infinite, and radiant energy in air and water is utilized and is an inexhaustible energy source; the cost is extremely low: the cost of generating one kilowatt-hour can be reduced to one minute; the system does not depend on fossil fuel, and pollution of exhaust emission to the nature is avoided.

The invention belongs to the technical field of wind turbine generator operation and maintenance, and particularly relates to a wind turbine generator vibration detection device which comprises a base. A vibration detection unit including a vibration sensor; the energy collecting part comprises a multi-order cantilever beam array and an energy storage capacitor, and a piezoelectric plate is arranged on the multi-order cantilever beam array and used for converting mechanical vibration energy into electric energy; the rectifying part is used for converting the alternating current output by the piezoelectric plate into one-way current; through the integrated design of broadband energy harvesting, mechanical rectification and self-energized monitoring, full-scene vibration detection of key components of the wind turbine generator is realized, and the problems that an existing device is dependent on power supply, narrow in frequency band adaptation and poor in reliability in a severe environment are solved. Vibration detection, energy collection and rectification are highly coordinated in spatial layout, mechanical transmission and energy flow direction, and are physically isolated from a power supply circuit, so that the performance is improved, mutual interference is avoided, and real high-integration and high-reliability self-energized detection is realized.

The subject matter of this specification can be embodied in, among other things, a subsea energy recovery system for generating electric power that includes an inlet flow line configured to couple to a subsea tree of a subsea gas well to receive gas produced from the subsea gas well, and a subsea electric power generation system, the subsea electric power generation system configured to reside subsea on a subsea production site of the subsea gas well and including a turbine wheel configured to rotate in response to expansion of the gas, a rotor configured to rotate with the turbine wheel, a stationary electric stator, the rotor and electric stator defining an electric generator configured to generate current, and a hermetically sealed housing enclosing the turbine wheel, the rotor, and the electric stator and hermetically sealed inline in the first flow line.

Elastocaloric heat pump (100) with an elastocaloric arrangement (10), wherein the elastocaloric arrangement (10) comprises at least one elastocaloric element (14) and a receiving device (11) with a first receiving part (12) and a second receiving part (13) and a spring device (15), wherein the at least one elastocaloric element (14) is clamped between the first receiving part (12) and the second receiving part (13), wherein the spring device (15) is designed to exert a spring force (20) on the at least one elastocaloric element (14), wherein the at least one elastocaloric element (14) has a pre-stretch (23) not equal to zero in a force equilibrium of the spring force (20) and a restoring force (22) of the elastocaloric element (14) opposite to the spring force (20), characterized in that the at least one elastocaloric element (14) has a predetermined and / or material-dependent,for an elastocaloric effect usable strain range (26) with an upper limit (28) and a lower limit (27), wherein the pre-stretch (23) lies within the strain range (26), wherein the amount of the lower limit (27) is between 0.5% and 5%, preferably between 0.7% and 2%, more preferably 1%, and / or that the amount of the upper limit (28) is between 2% and 20%, preferably between 3% and 10%, more preferably between 4% and 7.5%, particularly preferably 4.5%.

Systems and methods for generating hydrogen by electrolysis of water using electricity produced using a vortex generator that results in cavitation and implosion processes in a vortex. The vortex generator can produce conditions within the vortex generator that can allow deuterium molecules naturally occurring in water to acquire sufficient kinetic energy to overcome the Coulomb barrier so that their nuclei can get close enough to each other to undergo various nuclear reactions, discharging a large amount of nuclear energy at the microstate, imparting energy to the water, which can be used to drive a turbine to generate electricity, and the resulting electricity can be used at least in part for the electrolysis of water.

The invention provides a constant-pressure energy storage system and a constant-pressure expansion power generation method. Comprising a first-stage compressor motor, a first-stage compressor, a second-stage compressor motor, a second-stage compressor, a high-pressure cylinder, a low-pressure cylinder, a generator, an exhaust funnel, a hot water storage tank, a cold water storage tank, a compressed air condenser, a ground pipeline steel gas storage, a hot water storage pump, a cold water storage pump, a liquid air booster pump, an air inlet cooler, a first-stage cold water storage heater and a first-stage air cooler. The system comprises a first-stage gas-water separator, a second-stage cold water storage heater, a second-stage air cooler, a second-stage gas-water separator, a second-stage hot water storage cooler, a first-stage hot water storage cooler, a seawater preheater, a seawater heater, a compressor outlet shut-off valve, a pressure stabilization regulating valve and a liquid air supply valve. The air storage device is miniaturized, cold energy is efficiently utilized, and the system efficiency is improved.

A geothermal system obtains heated heat transfer fluid via heat transfer with an underground reservoir of magma. The geothermal system includes a wellbore extending between a surface and into the underground reservoir of magma. A fluid pump provides a flow of heat transfer fluid toward the underground reservoir of magma. A fluid conduit extends from the surface toward a terminal end of the wellbore and allows flow of heated heat transfer fluid from a portion of the wellbore that extends into the underground reservoir of magma toward the surface.

A first and a second locking element are movable to an extended position and a retracted position. A first actuator assembly is supported by a first end of a printed circuit board (PCB) and has a first actuator body connected to the first locking element. A second actuator assembly is supported by a second end of the PCB and has a second actuator connected to the second locking element. Each actuator body is in electrical contact with an electrical contact pad on a first side of the PCB and with an electrical contact pad on a second side of the PCB. The first and second FGL actuators extend between the first and second actuator bodies. Each actuator moves the corresponding first or second locking element to the retracted position in response to an electrical input signal.

The invention relates to the technical field of water equipment, and discloses a CD-ROM floating pleasure boat and a control method. The power driving system comprises a power piece and paddles, the power piece is installed at the tail of the ship body through a fixing structure, the power driving system is rotationally connected with the fixing structure, and the paddles are installed on the power piece and configured to drive the power piece to rotate when the power piece is in an illumination state. The power piece drives the paddles to rotate to drive the ship body to move; establishing a light-heat-force-motion coupling model of the power driving system; determining a mapping relation between the illumination intensity and the motion state of the ship body through a coupling model; the control over the motion state of the ship body is achieved by adjusting the illumination intensity acting on the power driving system. The technical bottlenecks that a traditional CD-ROM device needs to be externally connected with a power source and a controller, the structure is complex, and adaptability is poor are solved.

An actuator includes a twisted and coiled polymer fishing line and an untwisted resistance heating wire (TCPFLRHW) actuator and a coating on the TCPFLHRW actuator. The coating includes a mixture of carbon nanotubes, metal nanoparticles, and mesoporous carbon nanoparticles, and in some variations, the coating includes a polymer matrix with the carbon nanotubes, metal nanoparticles, and mesoporous carbon nanoparticles disposed in the polymer matrix. And the actuator exhibits enhanced actuator parameters such as actuator efficiency, hydrophobicity, power consumption, actuation frequency, dynamic actuation and cooling rate.

A payload release system for a vehicle includes a housing including a base plate and a cover plate selectively coupled to the base plate, wherein a receiving space is defined between the base plate and the cover plate; a crank rotatably coupled to the base plate within the receiving space; a trigger in operable communication with the crank, the trigger being configured to translate in response to a rotation of the crank; and an actuator operably coupled with the crank. The actuator includes a shape metal alloy (SMA) wire.

A combined fixture for a camera module SMA motor, and an adhesive dispensing and curing process. A bearing fixture is provided for bearing and constraining the position of a lower cover, and a press-fitting fixture is provided for pressing a base of a core component stacked on the lower cover against the lower cover by means of magnetic attachment between the press-fitting fixture and the bearing fixture, such that an adhesive applied between the lower cover and the base can be evenly spread. The magnetic attachment method solves the current problems associated with screw fastening, such as slow efficiency and foreign matter generation. Further provided is a pressure-holding fixture, which is configured for applying a pressure-holding force to the press-fitting fixture and the bearing fixture. Moreover, the pressure-holding force can be continuously applied in a high-temperature environment of an oven, allowing the pressing force between the base and the lower cover to be maintained, and the bonding force between the base and the lower cover to meet usage requirements once the adhesive is cured, thereby solving the current problems of uneven adhesive dispensing and insufficient bonding force between the core component of the SMA motor and the lower cover.

A magnified linear power generation system includes a vehicle with a tractor, or other tow vehicle, and a trailer, the trailer being separable from the tractor, the vehicle including at least one force receiving surface, the force receiving surface receiving input forces from the ground as the vehicle moves across the ground. A power generator is mounted to the trailer, the power generator including a stator and a mover. A mechanical magnification component is coupled between the power generator and the vehicle, the mechanical magnification component including a first hydraulic cylinder connected to the force receiving surface and a second hydraulic cylinder connected to the power generator, the first hydraulic cylinder having a first cylinder diameter, the second hydraulic cylinder having a second cylinder diameter smaller than the first cylinder diameter, wherein the first hydraulic cylinder is connected to the second hydraulic cylinder by a hydraulic line extending between the tractor and the trailer.

The present invention is a system and method for recovering the kinetic energy created by movement of a vehicle frame relative to a vehicle suspension to generate electrical energy that may be utilized on-the-fly or stored in order to provide power to an electric vehicle, wherein an embodiment for a regenerative energy system uses a hydraulic system coupled to the shock absorbers of a vehicle or trailer, wherein the captured kinetic energy is transferred to a plurality of gear assemblies to convert movement of the vehicle or trailer to rotary motion that is then amplified in rotational speed by a gear reduction system to cause rotational movement of a shaft of one or more generators in a single rotational direction to thereby generate electricity that may be utilized directly by electrical motors or stored in batteries or supercapacitors.

The pneumatic power device includes an annular gas storage vessel (1), a starting system, and an output system. A plurality of cylinders (2) are uniformly arranged around the inner wall of the annular gas storage vessel, and the cylinder body cavities of the cylinders are connected to the cavity of the annular gas storage vessel. The piston rods (3) of the cylinders are provided with racks (4). The starting system includes a power source, a drive unit (15), a speed reducer / torque increaser mechanism, and a cam (5). The power source is electrically connected to the drive unit, and the drive unit is power-transmittingly connected to the cam by the speed reducer / torque increaser mechanism. The piston rod ends of each cylinder abut against the cam. The output system includes a one-way transmission mechanism and an output shaft (10). The one-way gear (7) at the input end of the one-way transmission mechanism is meshed with the rack, and each rack is power-transmittingly connected to the output shaft by a one-way transmission mechanism. Only when the piston rods of the cylinders are extended does the rack and the output shaft rotate. The pneumatic power plant has little dependence on traditional fuels and effectively avoids dependence on thermal energy resources, reducing emissions, saving energy and being environmentally friendly, while at the same time solving the problems of energy crisis and air pollution.

An energy storage system includes a pneumatic vessel, a cable system attached to the vessel, a compressor for pressurizing the vessel, a generator attached to the cable system, a turboexpander generator for receiving compressed air from the vessel, and a control system. The system deflates and allows the vessel to sink in a body of water, inflates the vessel to store energy when an abundance of it exists, and allows the inflated vessel to resurface to release its buoyant energy to the generator via the cable system and to release compressed air to the turboexpander generator to generate electricity when electricity demand is high and / or electricity generation from other sources is low.

An actuator assembly comprising a first part; a second part that is movable relative to the first part from a reference position, wherein a biasing force urges the second part to the reference position relative to the first part; and one or more shape memory alloy, SMA, elements configured, on actuation, to cause one or more actuation forces to be applied to the second part for moving the second part relative to the first part within a range of movement, wherein each SMA element is configured such that, when the SMA element on actuation effects movement of the second part away from the reference position, the ratio of the change in position of the second part to the change in actuation amount of the SMA element decreases with increasing displacement of the second part from the reference position.

A robot joint control that eliminates backlash and utilizes Polymer (EAP) muscle.

The invention provides a novel system for efficiently carrying out heat-work conversion by taking liquid ammonia / water as a circulating working medium, low-grade sensible heat can be recovered, latent heat is recovered by using an ammonia compressor to compress and heat a circulating working medium gasification heat source, and the heat-work or thermoelectric conversion efficiency is greatly improved. According to the invention, the liquefied latent heat of the working medium is effectively utilized as an internal heat source for circulating gasification, the economic and technical bottleneck of low efficiency of implementing low-grade thermoelectricity or heat-work conversion in the existing combined heat and power generation or ammonia working medium is well broken, the energy consumption and the working medium circulation amount can be greatly reduced, and the method has wide popularization and application values and is worthy of popularization and application. And greater economic and social environmental protection benefits can be created, and energy conservation and emission reduction are greatly realized.

The present invention relates to a process for cooling and for the use of environmental heat, where the following steps are carried out, implemented in a thermodynamic machine: a) the working fluid being in steam state is adiabatically expanded (1-2), b) the working fluid being in wet-steam state is separated according to state into liquid (0) and steam (3) components, c) the temperature of the working fluid being in steam state (3) is increased by adiabatic compression (3-4), d) the working fluids of liquid (0) and steam (4) are compressed (4-1) and mixed at the same time, keeping the temperature of the steam (4) at a constant level by means of the compression, and generating steam (1) of stable state through the evaporation of the liquid (0), e) the process is repeated periodically.

An optical assembly, a camera module having the optical assembly, and a smart device having the camera module. The optical assembly comprises: a lens module (10) having an outer frame (12), wherein the outer frame (12) comprises four side surfaces divided according to an angle range, the lens module (10) comprises a first support portion (13) and a second support portion (14) on each side surface of the outer frame (12), and both the first support portion (13) and the second support portion (14) on each side surface are located at a group of diagonal regions (12A) of the outer frame (12); and a fixing means (30) disposed at another group of diagonal regions (12B) of the outer frame (12) of the lens module (10), wherein the fixing means (30) has a first power supply fixing portion (311) and a first groundwire fixing portion (321) corresponding to the first support portion (13), and a second power supply fixing portion (331) and a second groundwire fixing portion (322) corresponding to the second support portion (14), on a respective fixing surface corresponding to each side surface of the outer frame (12).

The invention relates to a concentration difference energy storage system, and belongs to the technical field of new energy electric energy storage. The system is formed by coupling an energy storage cycle and an energy release cycle. The energy storage cycle comprises a water vapor compressor, a dilute solution generator, a dilute solution preheater, a concentrated solution storage pump, a concentrated solution storage tank, a dilute solution feeding pump, a dilute solution storage tank and a water storage tank; the energy release cycle comprises a low-parameter steam turbine, an absorption evaporator, a water supply preheater, a dilute solution pump, a concentrated solution absorption pump, a concentrated solution storage tank, a dilute solution storage tank, a water supply pump and a water storage tank. Through efficient conversion among electric energy, solution concentration difference energy (chemical energy), heat energy and mechanical energy, energy storage of wind power and photovoltaic unstable new energy power generation is achieved, the peak clipping and valley filling capacity of a new energy power grid is enhanced, and meanwhile a new technical choice is added for new energy storage.

The application discloses an elevator braking energy collecting device and relates to the technical field of elevator kinetic energy recovery. The device comprises a braking module installed on the top or bottom of an elevator car; the braking module is in transmission connection with a direct-current generator A arranged on the top or bottom of the elevator car; the end of the direct-current generator A is connected with a CVT gearbox; the braking module comprises a vertically arranged rectangular frame, the opposite two side walls of the rectangular frame are provided with convex columns, the convex columns are rotatably connected with swing arms, the end of the swing arm is rotatably assembled with a mounting shaft through a bearing, the mounting shaft is fitted with a friction roller rolling along the elevator guide rail and a transmission wheel A; a transmission shaft is rotatably arranged between the two convex columns through a bearing, and the transmission shaft is provided with a transmission wheel B in transmission connection with the transmission wheel A. The braking module is arranged on the top and / or bottom of the elevator car to drive the rotation of the direct-current generator A, so that the device can generate electricity in the whole process of the elevator descending.

The oil-electricity hybrid aero-engine comprises a tail nozzle and an outer duct, and further comprises a motor and an electronic cooling loop, the system comprises a thermoacoustic engine and a first thermoacoustic heat pump, the thermoacoustic engine is arranged at the tail nozzle and used for absorbing heat of tail gas at the tail nozzle, and the first thermoacoustic heat pump is arranged at the tail nozzle and used for absorbing heat of the tail gas at the outer duct. Sound power is output; the first thermo-acoustic heat pump comprises a first cold-end heat exchanger, a first heat regenerator and a first hot-end heat exchanger, the first cold-end heat exchanger is used for absorbing heat to form a low-temperature area and is used for cooling the electronic cooling loop, part of heat is transmitted to the first hot-end heat exchanger through the first heat regenerator by utilizing acoustic power, and the first hot-end heat exchanger releases heat to the outer duct. The system utilizes a thermo-acoustic energy conversion technology to enhance the cooling of electronic parts, and can also recover tail gas waste heat to convert the tail gas waste heat into heat with a higher temperature level.

A disk-pack turbine includes two disks each having a waveform surface and a second surface, the waveform surfaces face each other and have an axially centered waveform pattern, at least one disk includes an axially centered opening passing from the second surface to the waveform surface, the disks define an expansion chamber including the at least one opening and a disk chamber between the disks from the expansion chamber to a periphery of the disks. The waveform pattern includes at least one waveform that has an amplitude that varies in a radial direction and the waveform pattern maintains or increases the number of peaks for each level of waveforms progressing out from the inner most waveform about the axial center to the periphery where the increase is by a multiplier of 2 to 8. The second surfaces have a slight parabolic shape or are flat.

Provided is a wireless sensing structure with which radio waves are easily diffused from a wireless radio machine. Disclosed is a wireless sensing structure of a cylinder apparatus 40 provided with a self-power generation device 1 that generates power in accordance with variation of the position of a piston part in a housing 2 made of metal and that transmits the power as an electric signal. In a lid 62 made of resin, a recessed part 66 at the bottom surface and a U-shaped groove 63 at the surface part are in communication with each other through a through-hole 65 provided at the position of a starting end of the U-shaped groove. A wireless board 70 is attached to the recessed part 66, and an antenna 71 is inserted into the through-hole 65 and folded in order along the U-shaped groove 63 so as to be fixed. A depressed part 2d notched into a shape similar to the outer shape of the lid 62 such that the lid 62 is fitted thereinto is provided in a portion on the upper side of the housing 2, and the lid 62 closes the depressed part 2d.

The engine system with communicating fluid vessels has first, second, and third fluid containers each containing a liquid fluid. At least one interconnecting lever conduit contains the liquid fluid and is rotatably coupled to the first, second, and third fluid containers. The interconnecting lever conduit is pivotal about an axis and defines a fluid passageway by which the first, second, and third fluid containers are in liquid fluid communication. At least one buoyant member and at least one holding tank are positioned in each of the first and third fluid containers. A tether is physically linking together the holding tank of each of the first and third fluid containers. Supplying the gas to the interior of the holding tank displaces some of the liquid fluid from the interior of the holding tank to increase a column height of the liquid fluid in the first, second, and third fluid containers.