2807results about "Mechanical power devices" patented technology

A locking device having: a composition gradient defining a first coefficient of thermal expansion and a second coefficient of thermal expansion that differs from the first coefficient of thermal expansion; and a thermoelectric junction operationally coupled to the composition gradient, wherein the composition gradient is formed of either of a plurality of dissimilar metals or of plastic with fillings or fibers.

A device, having: a base having an outer boundary and a plurality of base voids, formed from a first material having a first coefficient of thermal expansion (CTE); beads that line ones of the base voids, formed from a second material having a second CTE that differs from the first CTE, wherein each of the beads has a bead void; and a thermoelectric junction around the outer boundary, or within one or more of the bead voids.

A flow control device having: a composition gradient defining a first coefficient of thermal expansion and a second coefficient of thermal expansion that differs from the first coefficient of thermal expansion; and a thermoelectric junction operationally coupled to the composition gradient, wherein the composition gradient is formed of either of a plurality of dissimilar metals or of plastic with fillings or fibers.

An actuator having a composition gradient defining a first coefficient of thermal expansion and a second coefficient of thermal expansion that differs from the first coefficient of thermal expansion; and a thermoelectric junction operationally coupled to the composition gradient, wherein the composition gradient is formed of either of a plurality of dissimilar metals or of plastic with fillings or fibers.

An actuator, having: an actuator body extending between an actuator top and an actuator bottom, a top actuator support located at the actuator top and a bottom actuator support located at the actuator bottom, wherein the actuator body includes: a wall defining an outer boundary and extending longitudinally from a first end to a second end and transversely from a first side to a second side, wherein: the wall is nonmetal; the wall defines: a first segment extending longitudinally between the first and second ends and transversely from the first side to a segment junction; and a second segment extending longitudinally between the first and second ends and transversely from the second side to the segment junction; and the first segment has a first coefficient of thermal expansion (CTE) and the second segment has a second CTE that differs from the first CTE, to define a transverse CTE gradient.

A compressor case having a composition gradient defining a first coefficient of thermal expansion and a second coefficient of thermal expansion that differs from the first coefficient of thermal expansion; and a thermoelectric junction operationally coupled to the composition gradient, wherein the composition gradient is formed of either of a plurality of dissimilar metals or of plastic with fillings or fibers.

A system and method in at least one embodiment provides the means for conditioning batteries for increased battery capacity, battery runtime, reduced battery temperature while charging, and / or reduced battery temperature while in use, using current generated from a generator.

A system in at least one embodiment includes a generator having a disk-pack turbine, a coil array, and a magnet plate. The system in at least one embodiment conditions batteries for increased battery capacity, battery runtime, reduced battery temperature while charging, and / or reduced battery temperature while in use, using current generated from the generator.

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 system and method in at least one embodiment provides magnetic levitation to a vehicle above and / or partially about a rail or track using a flux field generator having a plurality of members having mated waveform patterns. In a further embodiment, the magnetic levitation also uses a distribution system. In a further embodiment, the plurality of members forms a disk-pack turbine. In a further embodiment, the flux field generator is not vehicle based.

A pair of waveform rotors and / or disks for use in a disk-pack turbine used, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid 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.

A system and method in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through an 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. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms axially aligned around a horizontal center of the system.

A system and method in at least one embodiment generates, transmits and distributes a diamagnetic field using a flux field generator and a distribution system. In at least one embodiment, the flux field generator is mounted on a platform or a vehicle. In a further embodiment, the flux field generator is not vehicle based.

The present invention discloses a mechanical tensioning gravity energy storage power generation device based on a rail train and a power generation track line thereof, including a power station under the track, two rows of drive plates are arranged at the bottom of the train, the power station includes a box buried under the track, a power generation assembly is arranged in the box, the power generation assembly is arranged in the middle of the track, and the power generation assembly is connected to a tensioning rope assembly, the tensioning rope assembly includes a tensioning steel wire rope, one end of the tensioning steel wire rope is connected to the power generation assembly and arranged in the box, and the other end is connected to a mechanical tensioning adjustment assembly, the mechanical tensioning adjustment assembly is arranged outside the track, and the mechanical tensioning adjustment assembly drives the power generation assembly by adjusting the tensioning force of the tensioning steel wire rope, and is pressed toward the drive plate on the train. The present invention adopts a mechanical tensioning rope design to realize the pressing of the power generation assembly and the train drive plate, avoids the power station pressing being affected by the ambient temperature, improves the applicability of the power station, and is also more convenient for maintenance and adjustment.

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

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.

A pneumatic valve is proposed, comprising a fluid supply port (P), a fluid outlet port (A), and a fluid drain port (R), a valve chamber (14) with a fluid supply port (FZ) connected to the fluid supply port (P), a fluid outlet port (VH) connected to the fluid outlet port (A), and a trigger port (VT) connected to an actuator chamber (15) of the valve, which includes the fluid drain port (R), an actuator (16) which, in the unactuated state of the actuator (16), presses a sealing element (E) against the trigger port (VT) and, in the actuated state of the actuator (16), releases the trigger port (VT), and a diaphragm (M) which divides the valve chamber (14) into two areas, a first area (1) being connected to the trigger port (VZ) and a second area (2) being connected to the fluid outlet port (VH), wherein the diaphragm (M) is connected to a The plunger (S) is connected,which is pressed against the fluid drain opening (VH) by a spring force in the unactuated state and releases the fluid drain opening (VH) in the actuated state of the actuator (16), wherein the diaphragm (M) has at least one through-opening (D) through which fluid can flow from the first region (1) to the second region (2), wherein the through-opening (D) has a smaller cross-section than the trigger opening (VT).

An actuator can include one or more shape memory material members. When an activation input is provided to the one or more shape memory material members, the one or more shape memory material members contract, which causes the actuator to morph into an activated configuration. A height of the actuator increases in the activated configuration. The actuator can include a first outer body member and a second outer body member. The first outer body member can include a first portion and a second portion pivotably connected to each other. One or more processors can be operatively connected to selectively activate the one or more shape memory material members.

A geothermal system is used for obtaining heated heat transfer fluid, such as steam, via heat transfer with an underground reservoir of magma. The geothermal system includes a wellbore extending between a surface and into an underground chamber formed in a reservoir of magma. The chamber may be formed by injecting a fluid at an increased pressure into underground magma to form a cavity that acts as the underground chamber.

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.

A rotary engine that generates electricity using differences in relative humidity. A water-responsive material expands and contracts as water evaporates which drives the rotation of two wheels. The rotary motion drives an electrical generator which produces electricity. In another embodiment, the water-responsive material is used to actuate an artificial muscle of a robotic device.

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 a polar region water area temperature difference energy control method and a power generation device, and belongs to the technical field of temperature difference energy power generation. The control method comprises the steps that under the condition that the net output power of the power generation device is maximum, the optimal parameter sequence of different cold and heat source working conditions is determined; constructing an MPC prediction model by taking the rotation speed of a working medium pump and the rotation speed of an expansion machine as input parameters and the evaporation temperature and the condensation temperature as output results according to the incidence relation between the pressure of the cycle working medium and the evaporation temperature and the condensation temperature; constructing a target function according to the optimal parameter sequence and an output result of the MPC prediction model; and based on the MPC prediction model and the target function, the MPC prediction model is iteratively updated by adjusting the rotating speed of the working medium pump and the rotating speed of the expansion machine, the optimal rotating speed of the working medium pump and the optimal rotating speed of the expansion machine are determined, and the operation parameters of the power generation device are controlled. The operation parameters of the power generation device are adaptively adjusted through the working conditions of the cold and heat sources, so that the net output power of the power generation component is maximum, and the power generation efficiency is improved.

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.

An actuator assembly comprising: a support structure (4) comprising a first printed circuit board, PCB (10); an image sensor assembly (12) comprising a second PCB (9) and an image sensor (6) having a light-sensitive region (7), wherein the image sensor assembly (12) is supported on the support structure (4) to allow movement of the image sensor assembly (12) relative to the support structure (4); and an electrical interconnector (51) configured to electrically connect the first PCB (10) to the second PCB (9); wherein the first PCB (10) and the second PCB overlap (9) when viewed along at least one direction in the plane in which the first PCB (10) extends.