127 results about "Electromagnetic propulsion" patented technology

An electronic propulsion engine that creates a propulsive force or thrust using electromagnetic forces or electrostatic forces, with an effect that is similar to the thrust of a jet or rocket engine. Forces are generated using electromagnets or capacitor plates that are separated by dielectric spacer cores and are operated with two modulated currents. The two modulated currents are synchronized, but with a relative phase such that the forces on the two magnets or capacitor plates are not balanced. Included are techniques to reduce circuit impedance and control electric-magnetic field dispersion, such as tuned LCR circuits, dielectric core materials between the magnets or capacitor plates, and RF superconductors result in high propulsion efficiencies. The system operates at RF frequencies and can also be used as a communication device.

The invention provides an electromagnetic propulsive motor having a rotor capable of rotation around a shaft and having a plurality of radially disposed blades including blade tip portions for compressing a working fluid. The invention further provides a stator having a case frame, and a plurality of radially disposed vanes extending generally between said case frame and said shaft for directing the working fluid. A plurality of electromagnetic elements disposed within said rotor blades proximate the tip portions thereof interact electromagnetically with a plurality of electromagnetic elements disposed in said stator case frame to drive said rotor.

The invention discloses a rotary multi-pole moment field electromagnetic propeller. The propeller mainly comprises a magnetic field coil, a projectile armature, a power supply circuit, a projectile location detection sensor and a synchronous accurate control chip, wherein the magnetic field coil adopts a multi-pole moment coil assembly, and the hierarchically arranged multi-pole moment coil assembly extends along the moving direction of the projectile armature; a flight duct is arranged between the multi-pole moment coil assembly and the projectile armature; and each coil in the multi-pole moment coil assembly is connected with the power supply circuit so as to acquire discharge pulse current. The rotary multi-pole moment field electromagnetic propeller can generate stronger axial electromagnetic accelerated thrust on the projectile armature, has the advantages of large electromagnetic accelerated force, large transmitted projectile mass, high outlet speed, balanced rotary motion, stable suspension and high efficiency and environmental friendliness, can be widely applied in the fields of locomotive thrust, rocket assist, electromagnetic forming, rotary excavation machinery and the like, and particularly in the technology of vacuum pipeline transporation.

The invention discloses a novel superfast train by utilizing ground effect pneumatic suspension and electromagnetic propulsion, and belongs to the field of ground effect aerodynamics and superfast trains. According to the novel superfast train, pneumatic modification is conducted to the train bottom of an existing magnetic suspension train, the train bottom forms a continuous smooth contracted type curved surface, and a contracted air passage is formed by the contracted curved surface and the surface of a rail. The sectional surface of the train head in an entrance portion is the largest, and the sectional surface of the train tail in an exit is the smallest. Electromagnetic force is replaced by pneumatic lifting force generated by the ground effect so as to suspend the train, the advantages that the existing magnetic suspension train is low in resistance and slow in speed are reserved, the problem of power energy consumption of magnetic suspension is improved, the weight of vehicle-mounted superconduction relative devices is reduced at the same time, energy consumption of the train in the process of superfast running is reduced and efficiency of transporting is improved.

The invention discloses an electromagnetic evacuated ultraspeed railway system. The electromagnetic evacuated ultraspeed railway system comprises a housing and at least one transporting line which isarranged in the housing; the transporting line comprises an evacuated transportation tube and a train which is positioned in the evacuated transportation tube; and active collision avoidance devices are arranged between compartments of the train and the train head and the compartments. An external electromagnetic propulsion layer is arranged on the internal wall of the evacuated transportation tube; an internal electromagnetic propulsion layer is arranged on the external wall of the train; when the train penetrates through the evacuated transportation tube, homopolar magnetism pushes the trainto advance; and meanwhile, a power generation closed lead configured for the train cuts a magnetic induction line of the external electromagnetic propulsion layer to generate electric energy needed by running. The electromagnetic evacuated ultra-speed railway system is a people and object carrying integrated transportation system with a certain power generation capacity; and according to the electromagnetic evacuated ultra-speed railway system, requirements on external power supply are extremely low; under a mutual effect of an electromagnetic tube and an evacuated environment, the train running speed is highest, the energy consumption is lowest, no fear of influence from any weather is realized, the cost is lowest, and the input-output ratio is highest.

The invention relates to a high-speed magnetic levitation linear electromagnetic propulsion system and belongs to the electric motor field. The invention aims to solve the problem of serious magneticflux leakage due to the openness of a magnetic field and the problems of small levitation height, large levitation control difficulty and high requirements for lines of a normal conducting magnetic levitation technology due to large weight of vehicles. The high-speed magnetic levitation linear electromagnetic propulsion system of the invention a primary unit and a secondary unit; the primary unitis mounted on the ground, is of a bilateral structure and is arranged symmetrically on the left side and right side of the secondary unit; air gaps are left between the primary unit and secondary unit; the primary unit comprises a levitation guide primary unit and a propulsion primary unit; each primary structure at each side of the propulsion primary unit includes a primary coil and a primary substrate, wherein the primary coil is fixed at the inner side of the primary substrate; each primary structure at each side of the levitation guide primary unit includes an upper conductor plate and a lower conductor plate, wherein the upper conductor plate and the lower conductor plate are juxtaposed in a vertical direction; the propulsion primary unit is arranged between the upper conductor platesand the lower conductor plates; two columns of magnetic poles of the primary unit are respectively fixed at two sides of a skid; and each column of magnetic poles simultaneously serves as levitationguide magnetic poles and propulsion magnetic poles.

The invention discloses a super-speed train pneumatically levitated through air entering the two sides and propelled electromagnetically. The left side face and right side face of each carriage in a magnetically levitated train are respectively provided with an air inlet; meanwhile, the bottom surface of each carriage is subjected to pneumatic shape modification, so that the bottom surface, provided with two air inlet channels, of the carriage is formed; the two air inlet channels are designed in the axial direction of the carriage and are located on the left side and right side of the bottom surface of the carriage; the front ends of the two air inlet channels are communicated with the air inlets; the two air inlet channels are respectively of a structure which is contracted from front to back; therefore, when the magnetically levitated train runs at a high speed, incoming flow enters the left air inlet channel and the right air inlet channel through the air inlet formed in the left side wall of the carriage and the air inlet formed in the right side wall of the carriage respectively, and the incoming flow is subjected to deceleration and pressurization in the left air inlet channel and the right air inlet channel to form high pressure areas so as to generate upward lifting force on the carriage. The super-speed train pneumatically levitated through the air entering the two sides and propelled electromagnetically has the advantages that the advantages of low resistance and high speed of a traditional magnetically levitated train are retained, the energy consumption can be lowered when the train runs at a super speed, and transport efficiency is improved.

The invention provides a dish-shaped underwater gliding robot, which relates to an underwater detection robot, and solves the problems of poor hydrodynamic performance, high energy consumption and poor cruising ability of two underwater detection robots. The dish-shaped underwater gliding robot comprises a main casing, wherein the main casing is in a water drop shape; the main casing mainly consists of an upper half cabin and a lower half cabin in sealed butt joint; the longitudinal section of the main casing uses an NACA airfoil profile; an ascending and sinking adjustment mechanism used for controlling the ascending and sinking of the robot is arranged in the upper half cabin; an electromagnetic propulsion system used for controlling the navigation of the robot, an alternating current module used for providing a power source for the electromagnetic propulsion system, an attitude adjustment mechanism used for controlling the attitude of the robot and a gravity center adjustment mechanism used for controlling the glider tail inclination are arranged in the lower half cabin; a main control module used for controlling the attitude adjustment mechanism, the gravity center adjustment mechanism and the ascending and sinking adjustment mechanism is also arranged in the upper half cabin; a battery pack for transmitting electricity to the alternating current module and the main control module is also arranged in the lower half cabin. The dish-shaped underwater gliding robot is used for underwater navigation detection.

A method of commutating a motor includes calculating an adjustment electrical angle, and utilizing the adjustment electrical angle in a common set of commutation equations so that the common set of commutation equations is capable of producing both one and two dimensional forces in the motor.

Systems and methods for electromagnetic thrusting are disclosed. An electromagnetic thrusting system includes an axially-asymmetric resonant cavity including a conductive inner surface, the resonant cavity adapted to support a standing electromagnetic (EM) wave therein, the standing EM wave having an oscillating electric field vector defining a z-axis of the resonant cavity. The resonating cavity lacks 2nd-axis axial symmetry. The standing EM wave induces a net unidirectional force on the resonant cavity.

A half-bridge inverter comprised of upper and lower switches can be placed in linear motor track sections to alternately connect a common point of all drive coils to a full-bus DC power rail (“full-bus”) and a DC reference, according to PWM command signals, functioning as a “virtual mid-bus” to allow bi-directional flow of a sum of currents of all drive coils in the section. Separate upper and lower drive switches of the half-bridge inverters that are also connected to drive the drive coils can then be controlled, according to separate PWM command signals, to synchronize their PWM cycles and duty cycle commands with respect to the virtual mid-bus at times when a mover is not present, resulting in zero voltage across the drive coils, or command different duty cycles with respect to the virtual mid-bus when a mover is present, resulting in a desired voltage across the drive coils. The desired voltage can produce a current in the drive coils to electromagnetically propel the mover.

A 7-phase multistage linear induced electromagnetic propeller comprises a driving coil, an armature, pulse power supplies and a charger. The driving coil is formed by a plurality of double-pancakes which are coaxially arranged on an insulation skeleton and is divided into multiple stages. Each stage of the driving coil is externally connected to one group of the pulse power supplies. A single-phase power supply in one group of the pulse power supplies is formed by one pulse capacitor and one discharging switch. One charger charges the capacitors of all the pulse power supplies. The multistage driving coils are coaxially arranged on one insulating sleeve and are fixed. The armature is placed in a first stage driving coil. The armature forges ahead linearly in the driving coil under an electromagnetic force effect. The armature accelerates from the first stage driving coil. When the armature arrives at a position of a next stage driving coil, the pulse power supplies which are externally connected to the stage driving coil begin to discharge. And the armature continuously forges ahead.

The invention discloses an electromagnetic propulsion device. The electromagnetic propulsion device comprises an electromagnetic railgun and a thermoelectric power generation device. The electromagnetic railgun comprises two launch trajectories and an armature which is arranged between the launch trajectories. The thermoelectric power generation device comprises cold end substrates, hot end substrates arranged on the launch trajectories and thermoelectric modules arranged between the cold end substrates and the hot end substrates. The hot end substrates are used for conducting heat of the launch trajectories. The cold end substrates are used for providing low-temperature cold sources. The thermoelectric modules are used for conversion between heat/cold and electric energy. According to the electromagnetic propulsion device, the thermoelectric power generation device is disposed on the electromagnetic railgun; the heat of the launch trajectories is conducted through the hot end substrates, so that the temperature of the launch trajectories is decreased and loss caused by overheating of the launch trajectories is prevented to a certain degree; meanwhile, the thermoelectric modules convert heat into electric energy, so that the electric energy conversion rate of the electromagnetic railgun is effectively increased.

Thrusting systems and vehicles are disclosed. One thrusting system includes a signal generator and a waveguide. The signal generator is configured to generate an electromagnetic wave. The waveguide is coupled to the signal generator to receive the electromagnetic wave such that at least a portion of electric and magnetic components of the electromagnetic wave extend in a direction transverse to a wave axis of the electromagnetic wave. The waveguide includes a dielectric material positioned to extend in a direction of the wave axis along a portion of the waveguide. An interaction between the electromagnetic wave and the waveguide induces a net force on the waveguide. One vehicle includes a thrusting system substantially as described above.

The invention discloses an electromagnetic suspension power generation train system which comprises a pipeline, a train located in the pipeline and multiple tracks arranged between the pipeline and the train. Each track comprises two rails. Outer suspension electromagnets are distributed between every two rails. A train body of the train is provided with a train track running along the corresponding track. The train track comprises two wheel rails. Inner suspension electromagnets opposite to the outer suspension electromagnets in position are distributed between the two wheel rails. The polarity of the powered-on inner suspension electromagnets is the same as that of the outer suspension electromagnets. The multiple tracks are arranged at intervals around the train. The train is limited bythe multiple tracks to be suspended right in the center of the pipeline. When the train penetrates through the electromagnetic vacuum pipeline, an inner electromagnetic propelling layer on the outerwall of the train magnetically repels an outer electromagnetic propelling layer on the inner wall of the pipeline through the same polarity, an outer electromagnetic propelling layer of the inner wallof a power generation closed traverse cutting pipeline arranged on the train obtains electric energy, a power generation function is achieved, energy such as solar energy and wind energy along a railway can further be used for providing sufficient power for the train, and operation cost is reduced.

A rotary acceleration type magnetic suspension electromagnetic propulsion test system comprises a vacuum rotary acceleration section, a test section, a magnetic suspension electric propulsion system,an energy storage and distribution system, a test gas medium regulation and control system and a test data measurement system, the test model obtains an initial speed through rotation acceleration andenters a test section, a magnetic levitation electric propulsion system is arranged in the test section, and the test model is subjected to speed control through the magnetic levitation electric propulsion system to simulate a flight trajectory; the energy storage and distribution system and the test gas medium regulation and control system are both arranged on the outer side of the test section,the energy storage and distribution system is used for supplying power to the magnetic levitation electric propulsion system and the test gas medium regulation and control system, and the test gas medium regulation and control system is used for regulating gas pressure and temperature in the closed test section; the test data measurement system is used for collecting test model motion data. The problems that an original test equipment test model is limited in size, test gas is polluted, and the sky-ground difference limits the aircraft technology are solved.

The invention provides a magnetic suspension electromagnetic propulsion integrated device. The device includes a track, a body, a first superconducting magnet set, a second superconducting magnet set,first motor windings, second motor windings, first suspension sensing plate sets and second suspension sensing plate sets; the first superconducting magnet set and the second superconducting magnet set are respectively arranged on the two sides of the body; the first motor windings and the second motor windings are arranged on the track in an interval manner; the first motor windings and the first superconducting magnet set are in relative arrangement; the second motor windings and the second superconducting magnet set are in relative arrangement; the first suspension sensing plate sets and the second suspension sensing plate sets are arranged on the track in the interval manner; the first suspension sensing plate sets and the first superconducting magnet set are in relative arrangement;and the second suspension sensing plate sets and the second superconducting magnet set are in relative arrangement. Through the application of the technical schemes, the technical problems in the prior art, that a magnetic suspension and electromagnetic propulsion system is large in volume and weight, complex in structure, low in working efficiency and not suitable for high-speed operation, can besolved.

The invention provides a permanent magnet levitation linear electromagnetic propelling system and relates to a motor, in particular to a magnetic levitation linear motor. The system aims at solving the problems that a magnetic field formed by superconducting magnets is serious in flux leakage, the magnetic field shielding difficulty is large, and the levitation control difficulty of the normal conducting magnetic levitation technology is large. The system comprises a drive control subsystem and a linear motor subsystem. The drive control subsystem comprises a power converter unit and a controller. The linear motor subsystem comprises a stator and a rotor, the stator is fixed to the ground, and the rotor is fixed to a prying vehicle and moves relative to the stator; the stator comprises a levitation-guide winding and a propelling winding; the levitation-guide winding a unilateral levitation-guide primary unit; and the propelling winding comprises a bilateral propelling primary unit. A special levitation and guide control device is not needed; and no leaking magnetic field exists on a vehicle.

The invention discloses a device for automatically extracting biological component on the basis of electromagnetic propulsion grinding and centrifugal separation, relating to the technical field of the automatic processing of biological samples. The device comprises a centrifugal mechanism, an electromagnetic propulsion module and a lifting mechanism, wherein the centrifugal mechanism is in a horizontal rotor structure; a series of centrifugal racks is evenly distributed around the axis on a centrifugal rotor body and can freely rotate between the horizontal direction and the vertical direction around the self axis; an operation bottle can be filled with certain amounts of biological samples and is provided with a grinding knocking body; and the operation bottle is fixed on the centrifugal racks and moves along with the centrifugal racks. When the automatic extraction device works, the operation bottle is inserted into the electromagnetic propulsion module, the grinding knocking body quickly moves back and forth under the driving of electromagnetic force and grinds; and then the operation bottle is extracted for centrifuging. The automatic extraction device has the advantages of compact structure and few moving components and can be widely applied to the automatic operation of extracting biological components, such as nucleic acid, protein and the like in the biological samples, such as animals, plants, microorganisms and the like.

The invention belongs to the technical field of electromagnetic boosting weapons. In order to solve the problems that at present, an electromagnetic valve of an electromagnetic emission weapon will loss a limited power source of the electromagnetic emission weapon, and control failures are prone to occurrence, an automatic filling system for the electromagnetic emission weapon is provided. The automatic filling system comprises a firearm bolt and a firearm bolt frame, and the firearm bolt frame is of a hollow rectangle structure and is located on the back side of a track type coil of the electromagnetic emission weapon; the firearm bolt is of an E-shaped structure, and a counter-recoil head is arranged on a middle protrusion of the firearm bolt and made of a soft magnetic material; a left protrusion and a right protrusion of the firearm bolt are each provided with a magnetic head, the magnetic heads are made of a hard magnetic material, and the magnetic poles at the front ends of the magnetic heads are the same as the magnetic pole at the back end of the track type coil; and the firearm bolt is located in the firearm bolt frame and connected with the firearm bolt frame through a counter-recoil spring. By means of the automatic filling system for the electromagnetic emission weapon, the limited power source of the electromagnetic emission weapon cannot be consumed, the structure is simple, the cost is low, and the reliability is high.

The invention discloses a coaxial coil electromagnetism propulsion system which comprises a driving coil, a projectile armature, a power supply device, a controllable switch, a projectile armature position detecting sensor and a synchronization accuracy control chip. A diode D2 is connected in series to a winding type coil 10 of the projectile armature. Negative force influence caused by armature capturing effect can be completely removed through the armature. For both of a solid armature and a coil type armature, vortexes sensed on the armatures during an electromagnetism propulsion process can flow in double directions, and the armatures can move in acceleration mode under electromagnetism repelling force and move in a deceleration mode under electromagnetism attracting force. Deceleration influence caused by the armature capturing effect is avoided. According to the propulsion feature, the coil type armature is improved, the diode is connected in series to the coil, vortex reverse flow is inhibited, so that only forward-direction acceleration force is exerted on the armature, backward-direction deceleration force is removed, and propulsion performance is improved.

The invention discloses an electromagnetic fluid vortex power device which comprises a main air inlet channel, auxiliary air inlet channels and vortex holes. The auxiliary air inlet channels are distributed on the two sides of the main air inlet channel and separated by a flow guide wall, the side walls of the main air inlet channel and the auxiliary air inlet channels are communicated through the vortex holes to form a communicated space, and an electromagnetic starter and an electromagnetic propeller are installed on the side wall of the main air inlet channel. When a power device is started to work, the structures of the electromagnetic starter and the vortex holes can enable working media to generate conductivity and generate intersected electromagnetic and magnetic fields, so that the working media flow under the action of Lorentz force; and working media in the auxiliary air inlet channels flow into the main air inlet channel through the vortex holes, vortexes are formed, and then the electromagnetic propeller is started, so that stable and continuous work is achieved. The power device takes electric power as working energy, is light in weight, high in working efficiency and large in thrust, can normally work in a region with lower oxygen content, and is wide in application range.

Provided is an electromagnetic propulsion system and method. The electromagnetic propulsion system consists of a signal source, an input control module, a filtering module, a microwave amplification module, an electromagnetic propulsion module and a feedback power control module. The signal source provides a trigger signal and sends the signal to the input control module. The input control module receives the trigger signal sent from the signal source and a feedback signal sent from the feedback power control module and sends the signals to the filtering module. The filtering module filters the trigger signal and the feedback signal and sends the signals to the microwave amplification module. The microwave amplification module amplifies the signals and sends the signals to the electromagnetic propulsion module. The electromagnetic propulsion module converts input power into a thrust. The power of the feedback signal is matched with the input power of the microwave amplification module. Based on the electromagnetic propulsion system and the method, a failure mode caused by frequency drift of an electromagnetic thruster can be solved, the propulsion efficiency and working stability of the electromagnetic propulsion system are greatly improved, and a design method is provided for ground testing and on-track application of the electromagnetic propulsion system.

The present invention discloses systems and methods for electromagnetic spacecraft propulsion or thrust generation without the expulsion of reaction mass. The systems include capacitor assemblies with a switch-controlled conductive discharge path, a means of charging the capacitor assemblies, a means of generating magnetic fields using electromagnetic coils, and a means for periodically shaping the intensity, duration and polarity of magnetic fields from the coils. Thrust is generated through the interaction of the shaped magnetic fields and the segmented current in the conductive discharge path during capacitor discharge.

An electric converter is provided which uses independently controlled field coils to impress a temporary magnetic field on a rotor movable relative to one or more armatures. In some embodiments, the rotor of the programmable electric converter is rotatable with the axis of rotation being on a horizontal or vertical axis. In various embodiments, the electric converter disclosed herein may be adapted for use as a continuous power solution to provide power for a limited period of time in the event of a power outage by absorbing energy and storing it mechanically in the rotor. In some embodiments, the electric converter may be utilized as a generator. In some embodiments, both AC and DC could be simultaneously produced, where AC is generated in one armature coil and DC in another coil. In some embodiments, the programmable electric converter can operate as an AC to AC converter, AC to DC converter, DC to AC converter, or DC to DC converter. In some embodiments, the electro-magnetic converter may be utilized to provide electro-magnetic propulsion to provide precise acceleration profiles and capture regenerative braking energy.