33results about "Electrostatic generators/motors" patented technology

The invention belongs to the technical field of motors, and particularly relates to a rotary exposed electrostatic motor with an embedded stator and an aircraft, the rotary exposed electrostatic motor comprises a stator module, a rotor module, a bearing assembly, a charge transfer assembly and a power supply assembly, the stator module is embedded in the inner side of a bearing, and the rotor module sleeves the outer side and is partially exposed; the rotor blades can directly drive an external load to rotate, the power supply assembly enables the adjacent stator blades to be electrified alternately to form a driving electric field, and the charge transfer assembly achieves charge exchange during rotation so as to drive the rotor module to rotate. According to the structure, direct output of energy is achieved through the layout that the stator is embedded and the rotor is exposed, mechanical transmission loss is reduced, energy conversion efficiency is improved, and when the structure is applied to an aircraft, a motor can directly drive a propeller to generate thrust, the gravity center of the aircraft is lowered, and attitude stability and propelling efficiency are improved.

The invention belongs to the technical field of micro electro mechanical systems and micro sensors / actuators, and discloses an electrostatic self-excitation cantilever beam device which comprises a potential floating insulation base, a conductive cantilever beam fixed on the potential floating insulation base, parallel electrodes located on the two sides of a free end and an electric brush adjacent to the free end. And self-excited vibration of the conductive cantilever beam under the action of electrostatic force and elastic restoring force is realized. The electrostatic self-excitation micro-beam device based on the new oscillation starting principle is provided aiming at the oscillation starting principle defect of an existing device, and compared with an original oscillation starting principle and device, the electrostatic self-excitation micro-beam device is lower in oscillation starting voltage, avoids interference of micro-beam suspension potential in the oscillation starting stage, and is high in vibration starting efficiency. And during working, the output of mechanical work or electronic signals is more stable, and the practical value is better.

To derive a general formula of a compound exhibiting a giant surface potential when formed into a membrane, and realize a membrane with a large surface potential useful as an electret material.SOLUTION: The membrane contains a compound represented by the general formula (1) in the figure. In the general formula (1), R represents a fluoroalkyl group; and none to two of the X, Y and Z represent fluoroalkyl groups while the remainder represents substituents other than fluoroalkyl groups.SELECTED DRAWING: None

The invention discloses a force balance voltage modulation method of a Z-axis accelerometer, and belongs to the technical field of MEMS electrostatic driving. The Z-axis accelerometer comprises a mover mass block and a fixed type multifunctional multiplexing polar plate, a variable-spacing differential capacitor structure is formed, and displacement detection, driving force control and rigidity adjustment are achieved at the same time by multiplexing the structure. A PWM driving signal is generated through a dual PWM modulation method, sinusoidal modulation is carried out on the PWM driving signal and bias voltage together, a variable-spacing differential capacitor structure is used as a demodulator, a second-order mechanical vibration system is used as a low-pass filter, and a low-noise closed-loop driving torque is generated to stabilize the position of a mass block at a preset position. And meanwhile, low-noise direct-current static negative stiffness is generated, so that the system stiffness is reduced to a preset value. According to the invention, the variable-pitch differential capacitor structure can maintain the constant elastic coefficient of the system while generating the electrostatic driving torque, can provide sufficient control precision while reducing the leakage of driving signals, and can effectively suppress low-frequency noise.

This invention relates to an apparatus for differentially driving an electrostatic drive unit of a microelectromechanical sound-generating device implemented in a microelectromechanical system (MEMS). The drive unit has a movable element having a first electrode, which is electrostatically drivable by a second electrode and a third electrode of the drive unit.

The present application relates to the technical field of electrostatic motor, especially relates to a power-keeping body energy-saving motor, which comprises a first power-keeping body, a second power-keeping body and a third power-keeping body; a shielding shell, at least one opening is formed on the shell wall of the shielding shell; a rotor, wherein a rotating shaft is arranged, the first power-keeping body is connected to the rotating shaft through a connecting object and is installed in the cavity of the shielding shell; a stator, wherein the second power-keeping body and the third power-keeping body are arranged in the stator and are respectively installed on the outer surface of the shielding shell of the stator through auxiliary materials, and are installed on both sides of the opening. Because the electrostatic field generated by the second power-keeping body and the third power-keeping body can continuously generate electrostatic force on the charge of the first power-keeping body, and the shielding shell can hinder a part of the electrostatic field of the first power-keeping body from giving the shielding to the negative effect electrostatic field of the rotor, the rotor can continuously rotate towards the designed direction and do work to the outside, and the power-keeping body energy-saving motor has the advantages of large power, energy saving, environmental protection, wide application and the like.

An electrostatic actuator structure according to one aspect of the present disclosure includes a pump unit, an output unit and a passage unit. The inside of the pump unit is filled with a dielectric liquid 9. The output unit is deformed by an internal pressure change. The passage unit allows the inside of the pump unit and the inside of the output unit to communicate with each other. The output unit has welded parts which are arranged in a first direction and in each of which a first member constituting an upper surface and a second member constituting a lower surface are welded at peripheral edges of the first member and the second member. In the welded part, the welding width in at least a part of a pair of sides arranged in the first direction is larger than the welding width in a pair of sides arranged in a second direction orthogonal to the first direction.

A polarization film with a substrate is provided that has a high surface charge density and a high degree of molecular orientation, even without containing fluorine atoms. [Solution] The polarization film with a substrate according to the present disclosure comprises a substrate and a polarization film formed on at least one of two main surfaces of the substrate. The polarization film contains a compound represented by the following formula (I). In formula (I), Z represents either a polar functional group or an organic group. 1 and A 2 X represents a single bond or a divalent linking group. 1 and X 2 This represents the other of a polar functional group and an organic group. JPEG2026076969000023.jpg2069

The invention belongs to the technical field of motors, and particularly relates to a mute and efficient microwave oven stirring blade direct drive motor and a directional self-starting method.The mute and efficient microwave oven stirring blade direct drive motor comprises a frame assembly, a stator disc, a charge exchange cylinder, a rotor disc, a rotating shaft and stirring blades; positive and negative electrode exchange electrodes are arranged on the outer side of the circumference of the charge exchange cylinder, a plurality of electrode plates are arranged on the rotor disc in the radial direction, tail parts are arranged at the tail ends of the electrode plates to achieve directional self-starting, and the rotor disc and the stator disc are alternately stacked and arranged and drive the stirring blades to rotate through the rotating shaft. The static motor is used for directly driving the low-speed light load, stable low-speed output can be achieved without a speed reducer, the operation power consumption is lower than 20 milliwatts, the energy efficiency is high, the driving process is almost noiseless, meanwhile, the current is automatically reduced to be close to zero in the locked-rotor process, motor damage is avoided, the overall structure is compact and reliable, and the device is suitable for efficient mute driving of the microwave oven stirring blade.

[Task] Provision of an oscillating power generating element in which it is possible to sufficiently reduce a parasitic capacitance that may occur in the oscillating power generating element and thereby increase the frequency band in which power generation is possible.[Solution] Oscillating current-generating element comprising stationary electrodes, which include a plurality of comb-shaped electrodes, movable electrodes, which include a plurality of comb-shaped electrodes that engage with the comb teeth of the stationary electrodes, and elastic support elements that ensure that the movable electrodes move relative to the stationary electrodes in the same plane in a certain direction, characterized in that, in a state in which at least one of either the stationary electrodes or the movable electrodes is electrically charged, the engagement length of the stationary electrodes and the movable electrodes and the deflection magnitude of the elastic support elements are equal, or the engagement length of the stationary electrodes and the movable electrodes is smaller than the deflection magnitude of the elastic support elements.

A tire assembly includes a tire mounted on a vehicle, a first power generation body unit, and a second power generation body unit that is different from the first power generation body unit. The first power generation body unit includes a power generation body disposed on an inner surface of the tire, and a pushing member fixed to the inner surface of the tire on both sides of the power generation body across the power generation body along a circumferential direction of the tire, the pushing member being deformable as the tire deforms. The second power generation body unit includes a power generation body fixed to the inner surface of the tire, and a weight member superimposed on the power generation body from a side opposite the inner surface across the power generation body.

To provide an electrostatic motor 1 having a simple structure and capable of being reduced in weight.SOLUTION: In an electrostatic motor 1, all polarities of stator electrodes 50a to 50h, 51a to 51h, 52a to 52h and 53a to 53h are set to a negative polarity. Therefore, creeping discharge does not occur in a stator 10. All polarities of rotor electrode 60a to 60h, 61a to 61h and 62a to 62h are sequentially switched from one of the positive and negative polarities to the other. Therefore, creeping discharge does not occur also in a rotor 20. Thus, an electrical insulating member can be eliminated in the stator 10 and the rotor 20.SELECTED DRAWING: Figure 1

The tire assembly includes a tire attached to a vehicle, a first power generator unit, and a second power generator unit different from the first power generator unit. The first power generator unit has: a power generator disposed on the inner surface of the tire; and a pressing member fixed to the inner surface of the tire on both sides of the power generating body so as to straddle the power generating body in the circumferential direction of the tire, the pressing member being deformable in accordance with the deformation of the tire. The second power generator unit has: a power generator fixed to the inner surface of the tire; and a weight member that overlaps the power generating body from a side opposite to the inner surface with the power generating body therebetween.

Disclosed herein are embodiments of electrostatic end effectors and methods of manufacturing the same. In one embodiment, the electrostatic end effector comprises a ceramic base, a first electrode layer coupled to the ceramic base, and a second electrode layer coupled to the ceramic base. The electrostatic end effector is configured to generate an electrostatic force on a substrate in response to a voltage applied to the first electrode. The electrostatic force on the substrate can increase the frictional force on the substrate, which can enable the end effector to accelerate at a faster rate than current technology without the substrate slipping on the end effector.

The present invention relates to a micromechanical component for an actuator and / or sensor device with a deformable membrane (10) with electrodes (18), wherein, when the electrodes (18) are at the same potential, at least one first membrane surface (10a) is oriented perpendicular to a first spatial direction (y), parallel to a second spatial direction (z), and parallel to a third spatial direction (x) perpendicular to the second spatial direction (z), and simultaneously the electrodes (18) each have a maximum electrode height in the first spatial direction (y), a maximum length in the second spatial direction (z), and a maximum width in the third spatial direction (x) such that the maximum length is at least a factor of 5 greater than the maximum width, and the maximum electrode height is at least a factor of 1.5 greater than the maximum width.and wherein at least a part of each of the electrodes (18) has etch marks from at least one etching process with an etching direction oriented parallel to the second spatial direction (z) and is formed from etched residual material of at least one electrically conductive electrode material layer.

An electrostatic actuator according to one aspect of the present disclosure comprises a flexible shell, a dielectric liquid contained inside the shell, and a plurality of electrodes positioned outside the shell. The shell comprises a junction part positioned at the center, and a plurality of pump parts that communicate with the junction part and are aligned in the circumferential direction centered on the junction part. The pump part has a first side surface positioned at one end in the circumferential direction, and a second side surface positioned at the other end in the circumferential direction. The plurality of electrodes are positioned on the first side surface and the second side surface of each pump part.

The vertical axis wind turbine driven by the electrostatic motor comprises a rotor component, a middle stand column and a base, the rotor component is a vertical axis wind turbine, conducting strips are arranged on the rotor component, and supporting frames fixed to the middle stand column are arranged on the top side and the bottom side of the rotor component correspondingly; stator components which are circumferentially distributed and surround the outer ring of the rotor component are connected between the supporting frames, all the stator components are in a vertical opening state, electric shafts are arranged on the vertical side portions, connected with the supporting frames, of the stator components, and the ends of the electric shafts are rotationally connected with the supporting frames; a positive electrode and a negative electrode are arranged on the two sides of the stator component respectively, electric brushes are arranged on the positive electrode and the negative electrode, and the positive electrode and the negative electrode are alternately distributed on the stator component in the circumferential direction to form a closed electrostatic field. According to the electrostatic driving mode, the problem that a traditional vertical axis wind turbine is poor in self-starting performance at the low wind speed can be solved, the blades are pushed to rotate through the electrostatic field, and self-starting is achieved.

The invention belongs to the technical field of electrostatic motors, and particularly relates to an integrated single-brush direct-current electrostatic motor based on a rotor module, and the motor comprises the rotor module which comprises a plurality of rotor blades, an electric brush is arranged on any rotor blade, and the rotor blades are kept in an electric conduction state; the stator module comprises a plurality of stator blades; the output module can synchronously rotate along with the rotor module; wherein the number of the stator blades is n times that of the rotor blades, and n is an even number larger than or equal to 2; when the electric brushes make contact with the stator blades, the electric brushes can charge the rotor blades forming the conductive whole synchronously, so that all the rotor blades have the same electrical property at any rotating moment, and the rotor module can rotate under the action of an electric field. The single-brush direct current electrostatic motor has the advantages of being simple in structure, light in weight, easy to manufacture, small in number of brushes, low in energy consumption, high in withstand voltage value and high in output capacity and power density.

The invention relates to the field of electrostatic motor equipment, in particular to a high-power electrostatic driving motor based on a blade close arrangement technology, which comprises a rotor module, a stator module and an output module, and is characterized in that the stator module supports the rotor module to drive the output module to rotate so as to output torque; the rotor module comprises rotor blades and a rotor frame, the rotor blades extend in the radial direction of the rotating circular face of the motor and are evenly distributed in the circumferential direction, the rotor blades are made of conductive materials, and the rotor frame is used for fixing and supporting the rotor blades to rotate. The rotor blades are arranged in the radial direction of the rotating round face so as to adjust the arrangement mode of the rotor blades, the rotor blades extend in the radial direction of the rotating round face, and the electrified area of a single blade is obviously increased; the number of the blades is only limited by the thickness of the blades and gaps between the adjacent blades, high-density arrangement is achieved, the total electrified area is increased along with the number of the blades, electrostatic force borne by each blade is higher, and the total driving torque is larger.

A system includes a set of electrostatic actuators. Each electrostatic actuator of the set of electrostatic actuators includes a high-voltage side and a low-voltage side. The low-voltage side is configured to be driven by a time-varying voltage signal (TVVS). The system includes a set of drive-sense channels. A representative channel of the set of drive-sense channels includes a drive electrical link between (i) a corresponding drive circuit of a set of drive circuits and (ii) the high-voltage side of a corresponding electrostatic actuator of the set of electrostatic actuators. The representative channel is configured to carry, via the drive electrical link, a controllable drive voltage from the corresponding drive circuit to the high-voltage side of the corresponding electrostatic actuator. The representative channel includes a sense electrical link configured to carry a current generated by the TVVS to a sense-measurement circuit.

The wheeled robot driven based on the corona discharge effect and the electrostatic effect comprises a cylindrical rotor frame (8) and vehicle frames (2), the vehicle frames (2) are arranged at the two ends of the rotor frame (8) in a clamped mode, and front wheels (6) and rear wheels (1) in pairs are arranged on the front portions and the rear portions of the vehicle frames (2) correspondingly; a rectangular frame formed by two transverse frames and two longitudinal frames of the frame (2) clamps the rotor frame (8), gaps exist between the two transverse frames and the rotor frame (8), and the two longitudinal frames clamp the two ends of the rotor frame (8); needle-shaped sharp tungsten needle electrodes (7) are inserted into the two transverse frames; and the side surface of the rotor frame (8) is provided with a thin film (13) made of a polymer dielectric material. Corona is generated through kilovolt high-voltage static electricity, charged ions are transferred through the generated corona between the electrode and the rotor, under the same power, the voltage is greatly improved, the current is greatly reduced, then the loss is greatly reduced, and the purpose of almost no heating is achieved.

The invention relates to the field of electrostatic motors, in particular to an electrostatic driving steering engine which comprises a common rotor module, a stator module and three power input terminals. The stator module is provided with a clockwise blade, a brake blade and an anticlockwise blade, the three groups of blades are distributed in the circumferential direction of the stator frame, and the polarity of the same poles at intervals and the polarity of the adjacent opposite poles are alternately arranged; the common rotor module comprises rotor blades distributed in the circumferential direction, and the common rotor module and the stator module form an electrostatic interaction pair. And the three groups of power supply input terminals are respectively conducted with the clockwise blades, the brake blades and the anticlockwise blades to independently control the power-on and power-off states of the power supply input terminals. A radial included angle formed by the clockwise blades is matched with the rotor blades to generate clockwise torque; anticlockwise blades and the common rotor module generate anticlockwise torque through reverse included angle layout; the brake blades are arranged in the radial direction and form a brake motor with the common rotor module. The three sets of motors share the same common rotor module, the overall size is simplified, and the function integration degree is higher.

Disclosed herein is a poly (ionic liquid) (PIL) film comprising from 40% to 60% by weight of a cross-linked polymer of formula I and from 40% to 60% by weight of a 1-hexyl-3-vinyl imidazolium BF4 salt in monomeric form wherein the PIL film has the following properties: a glass transition temperature from-100 DEG C to-25 DEG C; the stretch rate is 150%-500% of the original size; and the Young's modulus is from 0.05 MPa to 0.3 MPa. Also disclosed herein are composite elastomeric materials suitable for use in dielectric elastomeric actuators (DEAs) and DEA devices.

The present invention relates to a motor / generator based on interaction with conservative fields, characterised in that it comprises a rotor with loads, a container defining an isolated conservative field that is energetically preloaded with a primary energy source, said conservative field being able to interact with the loads of the rotor, and a conservative field shielding element that shields part of the trajectory of the rotor and completely or partially inhibits the interaction of the field with the loads disposed in the rotor. The rotor can define a circular motion due to the imbalance of the actions of the conservative field, causing a rotary movement of the rotor that produces a net torque until the primary energy source is depleted.

A microelectromechanical generator that can improve power generation efficiency is provided. [Solution] The movable electrode section 20 has an electret electrode 23 arranged opposite to periodically arranged fixed electrodes 13. The elastic support section 50 is configured to support the movable electrode section 20 with a flexible section 51, and the facing area between the electret electrode 23 and the fixed electrode 13 is increased or decreased by deforming the flexible section 51 in the X direction. The electret electrode 23 is arranged so as to overlap with the elastic support section 50 in the Z direction intersecting the X direction, and generates electricity by vibrating.