2069results about "Mechanical power devices" patented technology

The disclosure is directed to an apparatus or a system for generating energy in response to a vehicle wheel rotation. The apparatus or the system may include a roller configured to be positioned in substantial physical contact within a groove of a wheel of the vehicle. The roller may be configured to rotate in response to a rotation of the wheel. A flexible arm may be rotatably couplable to the roller such that rotation of the roller causes the flexible arm to rotate. The flexible arm may exert a downward force on the roller to increase the friction between the roller and the groove of the wheel. A first generator may be operably coupled to the flexible arm and configured to generate an electrical output based on the rotation of the flexible arm shaft and convey the electrical output to an energy storage device or vehicle motor.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a fluid intake chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side.

The present invention relates to an aperture unit having an optical axis. The aperture unit includes a fixed portion, a guiding element, a first blade and a driving assembly. The guiding element is movably connected to the fixed portion, and the first blade is movably connected to the guiding element and the fixed portion. The driving assembly is disposed on the guiding element for driving the guiding element to move relative to the fixed portion in a first moving dimension. When the guiding element moves relative to the fixed portion in the first moving dimension, the first blade is driven by the guiding element to move relative to the fixed portion in a second moving dimension, and the first moving dimension and the second moving dimension are different.

An apparatus includes a structure configured to receive thermal energy and to reject the thermal energy into an external environment. The structure includes a lid and a body. The structure also includes (i) multiple inline and interconnected thermomechanical regions and (ii) one or more oscillating heat pipes embedded in at least some of the thermomechanical regions. Different portions of at least one of the lid and the body form the thermomechanical regions. The one or more oscillating heat pipes are configured to transfer the thermal energy between different ones of the thermomechanical regions. At least one of the thermomechanical regions includes one or more shape-memory materials configured to cause a shape of the structure to change. Each of the one or more oscillating heat pipes includes at least one channel in the structure.

The invention belongs to the technical field of precision machining equipment, and discloses a partitioned and deformation-controllable precision polishing grinding head which comprises a partitioned base, a positioning block is arranged in the center of the lower portion of the partitioned base, at least one connecting rod assembly is arranged above the partitioned base, and the top end of each connecting rod assembly is connected with a curvature adjusting head. A flexible polishing head is arranged above the curvature adjusting head, a protective shell is arranged on the outer side of the connecting rod assembly, the flexible polishing head and the protective shell are connected through a grinding head frame, and the whole device is provided with a drive circuit. According to the precise polishing grinding head capable of being partitioned and deformed controllably, through the partitioned base and the independent shape memory alloy driver, the curvature radiuses of the center and the edge of the flexible polishing head are controlled, the edge pressure is optimized, stable contact rigidity and uniform pressure distribution are brought, and finer surface shape control is achieved; the shape memory alloy driver is a solid-state element and is matched with the transverse amplification connecting rod, and needed driving force and displacement can be achieved in a relatively compact space.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms travelling around an axial center of the disk with each hyperbolic waveform having a varying diameter along the waveform.

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.

Systems and methods for generating electrical power in an organic Rankine cycle (ORC) operation include one or more heat exchangers incorporated into mobile heat generation units, and which will receive a heated fluid flow from one or more heat sources, and transfer heat therefrom to a working fluid that is circulated through an ORC unit for generation of power. In embodiments, the mobile heat generation units comprise pre-packaged modules with one or more heat exchangers connected to a pump of a recirculation system, including an array of piping, such that each mobile heat generation unit can be transported to the site and installed as a substantially stand-alone module or heat generation assembly.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms axially aligned around a horizontal center of the system.

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.

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

The invention relates to a coal mine underground gas extraction concentration real-time monitoring and early warning device which comprises a shell arranged in the deep part of a sleeve, a deep part concentration monitoring part is arranged at one end, close to the deep part of a monitoring hole, in the shell, and the deep part concentration monitoring part comprises an infrared absorption type sensor. And a sealing jacking part connected with the inner wall of the sleeve is also arranged in the middle of the shell. According to the invention, gas concentration monitoring and early warning can be carried out at the deep part of the monitoring hole, deep gas abnormity can be found 10-30 minutes in advance, and a guarantee is provided for safe power-off and people removal.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a fluid intake chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side.

The present disclosure is directed to a geothermal desalination system, comprising; a primary liquid circuit circulating a liquid into a geothermal well and returning heated liquid from a well head of the geothermal well, the primary liquid circuit passing through a desalination plant; a first turbine driven by the heated liquid to produce a mechanical output; and an air compressor driven from the mechanical output to provide a first compressed air supply and a second compressed air supply, wherein the first compressed air supply drives a supply pump to supply salt water to the desalination plant, and the second compressed air supply drives a-start-up pump to initiate circulation in the primary liquid circuit.

The invention relates to the technical field of new energy, and discloses a sea layer gradient energy capturing raft which comprises a raft type wave energy conversion device, a photovoltaic module and a seawater temperature difference power generation module. The raft type wave energy conversion device comprises an anti-corrosion raft body, a hydraulic system and a generator, the raft body is a flat box type hollow floater, and the hydraulic system and the generator are installed at the position of a middle hinge shaft. According to the photovoltaic assembly, a flexible thin-film solar cell can be selected as a photovoltaic panel, the surface of the photovoltaic panel is covered with a salt-mist-resistant nano coating, and the photovoltaic panel is installed on the surface of the raft body in a curved surface attaching mode. The seawater thermoelectric power generation module comprises a heat exchanger, a condenser and a working medium circulating pipeline, and thermoelectric materials are driven to generate power through temperature difference. Through the vertically layered wave-photovoltaic-temperature difference three-state cooperative capture design, the intermittent limitation of a single energy source is broken through. The magnetic fluid direct power generation technology is adopted for the wave energy module, traditional hydraulic transmission is replaced, and the energy conversion efficiency is greatly 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 relates to the technical field of ship energy recovery, in particular to a ship docking energy recovery system based on flywheel energy storage and an energy dispatching method. The system comprises an energy capture device, a hydraulic power distributor, a transmission mechanism, a flywheel energy storage device and an energy management and dispatching module. The energy capturing device is responsible for receiving and capturing kinetic energy generated when the ship is in shore, and then the captured kinetic energy is converted into mechanical energy through the hydraulic power distributor. And then, the transmission mechanism transmits the converted mechanical energy to the flywheel energy storage device for storage. The recovered energy can be dynamically allocated and used through the energy management and scheduling module according to the port micro-grid requirement, the port energy utilization rate and the system scheduling flexibility are improved, and energy waste is reduced.

Systems and methods for generating and a controller for controlling generation of geothermal power in an organic Rankine cycle (ORC) operation in the vicinity of a wellhead during hydrocarbon production to thereby supply electrical power to one or more of in-field operational equipment, a grid power structure, and an energy storage device. In an embodiment, during hydrocarbon production, a temperature of a flow of wellhead fluid from the wellhead or working fluid may be determined. If the temperature is above a vaporous phase change threshold of the working fluid, heat exchanger valves may be opened to divert flow of wellhead fluid to heat exchangers to facilitate heat transfer from the flow of wellhead fluid to working fluid through the heat exchangers, thereby to cause the working fluid to change from a liquid to vapor, the vapor to cause a generator to generate electrical power via rotation of an expander.

The invention discloses an ocean mooring cable and anchor chain flaw detection inspection robot based on ocean temperature difference energy. The underwater inspection robot comprises an underwater inspection robot platform charging pile and a terminal. The underwater inspection robot is penetrated by the anchor chain and attached to the anchor chain to do reciprocating motion, and the inspection work of the underwater inspection robot is completed through real-time detection of the damage detector; the platform charging pile is installed on the side portion of the platform and makes contact with an anchor point of the anchor chain platform, and when the underwater inspection robot inspects to the sea surface, energy is supplemented through the platform charging pile; the terminal serves as a signal receiving end and is used for receiving and processing information detected by the underwater inspection robot. The ocean temperature difference energy is converted into the motion kinetic energy of the underwater inspection robot, so that the energy consumption in the anchor chain flaw detection process is reduced; meanwhile, through routing inspection of the anchor chain, the fracture risk caused by local damage of the anchor chain can be avoided; in addition, the reciprocating motion of the underwater inspection robot solves the problem of biological attachment corrosion of the ocean anchor chain, and the life cycle of the anchor chain is prolonged.

A space flexible gripper driven by tiny comprises a flexible grasping part and a trigger part; the flexible grasping part comprises a plurality of articulated segments, each of which comprises two mutually articulated grasping plates; the trigger part comprises two movable plates to be close to each other or to be far away from each other; two grasping plates of the first segment are fixed to two movable plates respectively. The invention utilizes an electric signal to trigger the microelectric triggering springs to expand and contract, which indirectly drives two movable plates to be close to each other or to be far away from each other; at the same time, as two mutually articulated grasping plates of the first segment are respectively fixed to two symmetrical movable plates, the mutual approach or mutual distance of the grasping plates of the first segment can be quickly 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 application discloses a pendulum motor with a flywheel (12), where the flywheel (12) is a rotary-inertial element of the pendulum motor that accumulates a torque, where further this accumulated torque through the working axis of the motor (14 or 15) can be used with the necessary force selected to drive selected load mechanisms (generators or similar energy consumption / transformation devices) at moments of time. The torque from the rotating flywheel (12) to the load can be generated through a mechanical speed reducer and / or clutch (18) at selected time periods or moments.

A Venturi device with a primary flow path and a secondary flow path introduced into the primary flow path, wherein a flow of one or more flowable mediums in the primary flow path and the secondary flow path creates a vortex generating a suction at an inlet of the Venturi device. A particulate burner system can be used to combust fuel emission byproducts by injecting fuel and air into a housing having a bottom plate with a round bottom opening for burners to inject fuel into a combustion chamber and a top plate with a round top opening for exhausting fuel emissions. A thruster system can be used to propel munition for deep earth penetration by using a thruster system having a transfer cone connected to a munition body.

The invention discloses a power generator, and belongs to the field of new energy. The power generator is a device for generating power by using vibration or fluctuation power. Power drives semicircular rotors, connected to center rotating shafts in series, of units in a sealed machine body to swing and rotate, forward swing and reverse swing of each rotor drive the center rotating shafts to rotate in the forward direction through forward gears, reverse gears, sun gears and one-way flywheels, and driving gears below the rotors are driven to rotate through planetary speed increasing sets. The driving gear of each unit transmits the rotating torque to the energy collecting gear through the one-way flywheel, and then the planetary speed increasing set drives the rotating shaft of the generator to rotate so as to generate electricity. Meanwhile, electromagnet wafers are distributed on the upper layer and the lower layer of a driving gear panel, electromagnets change a magnetic field at high frequency under the control of a frequency conversion chip, and sunflower-shaped winding thin copper wires on a driving gear rotate to cut magnetic lines to generate magnetic flux change and generate electric energy; and the two paths of electric energy are combined and transmitted to equipment or a storage battery for storage through an inverter and an intelligent distributor, so that power generation is realized.

The invention discloses an energy-saving door bucket control system which comprises a door bucket defined by glass, a first movable door (D1) and a second movable door (D2) are arranged on the two sides, close to the outdoor space, of the door bucket respectively, a third movable door (D3) and a fourth movable door (D4) are arranged on the two sides, close to the indoor space, of the door bucket respectively, and the first movable door (D1) corresponds to the third movable door (D3). The second movable door (D2) corresponds to the fourth movable door (D4); a first electric sliding door (M1) and a second electric sliding door (M2) which are distributed in a staggered mode are further sequentially arranged in the door bucket, a first channel (R1) is formed between the third movable door (D3) and the first electric sliding door (M1), a second channel (R2) is formed between the first electric sliding door (M1) and the second electric sliding door (M2), and a third channel (R3) is formed between the second electric sliding door (M2) and the second movable door (D2). The invention has the characteristic of greatly reducing the energy consumption of the air conditioner in winter and summer so as to realize the energy-saving purpose.

A control surface system for a body located in an air and / or space vehicle. The control surface system having at least one control surface which is located on the body and which, by moving relatively to the body, enables air flow to be controlled and the air vehicle to maneuver accordingly. The control surface system having at least one actuator which is made of an electroactive polymer material which is located on the body and which changes its form depending on electrical energy and based thereon, triggers the control surface.

In order to provide an elastocaloric heat pump which realizes the temperature control of a cooling medium with low moving masses and meets high robustness requirements, an elastocaloric heat pump (100) comprising a housing (10), at least one first cooling medium channel (11, 11a, 11b, 11c) and at least one second cooling medium channel (13, 13a, 13b, 13c), at least one elastocaloric element (17a, 17b, 17c), and a drive device (24) is proposed, wherein the at least one elastocaloric element (17a, 17b, 17c) is connected with a first end (19) directly or indirectly to the drive device (24) and with a second end (21) is fixedly or rotatably connected to the housing (10), wherein the drive device (24) is designed to drive the first end (19) of the at least one elastocaloric element (17a, 17b, 17c) cyclically so that the at least one elastocaloric element (17a, 17b,17c) is cyclically stretched and, by utilizing the elastocaloric effect, heat is transferred from the first cooling medium channel (11, 11a, 11b, 11c) to the second cooling medium channel (13, 13a, 13b, 13c).

A system includes a pressure exchanger (PX). The PX is coupled to a motor that controls an operating speed of the PX. The system further includes a condenser. An outlet of the condenser is fluidly coupled to a first inlet of the PX. The system further includes a pressure gauge. The pressure gauge is configured to provide first pressure data. The first pressure data is indicative of a pressure of a fluid of the condenser. The system further includes a first controller configured to cause the motor to adjust the operating speed of the PX. The first controller causes the motor to adjust the operating speed of the PX based on the first pressure data.

The present invention relates to a hyperelastic SMA structure with enhanced power density and compressive stability, comprising two or more plate sections connected together to form a substantially closed periphery, the structure having a centrally located opening, the connected plate sections dimensioned to be circularly symmetrical thereby allowing stacking, each section comprising a number of hollow perforated cells between one or more thin vertical walls having a predetermined range of thicknesses, at least one perforated cell defining a fluid passageway within a predetermined range of hydraulic diameters.