31results about How to "No eddy current loss" patented technology

The present invention relates to a magnetic coupler, comprising at least an inner rotor, an outer rotor and a gap pot made of a non-conductive material arranged between the inner rotor and the outer rotor, characterized in that the gap pot is only made of Made of glass.

The invention discloses an intelligent ozone generator, which consists of a case, an ozone generating tube, a circuit control system, a transformer and a control panel, wherein the ozone generating tube in the case is connected with the circuit control system; the circuit control system comprises a rectifying circuit, a half-bridge inverter circuit, a control power supply circuit, a voltage stabilizing circuit, a constant current regulating circuit and a high-frequency driving circuit, wherein the rectifying circuit is connected with the voltage stabilizing circuit and the half-bridge inverter circuit respectively; the control power supply circuit is connected with the constant current regulating circuit and the driving circuit respectively; the driving circuit is connected with the half-bridge inverter circuit which is connected with the transformer; and the transformer is connected with the ozone generating tube and is a step-up transformer with adjustable frequency. The intelligentozone generator has the advantages of simple, convenient and reliable whole gas circuit design, reliable equipment operation, low power loss and equipment security, reliability and anti-interference property.

The invention discloses a superconduction controllable reactor. Superconduction control coils, working coils, a low-temperature cryostat and a magnetic shielding iron core are respectively in a hollow cylinder shape, a high-magnetic-conductivity iron core consists of an upper magnetic conducting iron core and a lower magnetic conducting iron core, the upper magnetic conducting iron core and the lower magnetic conducting iron core are respectively in a cylinder shape and are respectively and fixedly arranged on an upper cover plate and a lower cover plate of the low-temperature cryostat, a space between the two iron cores is filled and supported by epoxy resin material, the filling height of the epoxy resin is equal to 1 / 2 to 1 / 3 of the height of each working coil, the superconduction control coils are positioned in the low-temperature cryostat, and are arranged in a coaxial or similarly coaxial way from interior to exterior, the working coils sleeve the low-temperature cryostat, and are respectively positioned in the magnetic shielding iron core, and the high-magnetic-conductivity iron core is made of iron powder cores or magnetic powder cores. The superconduction controllable reactor has the advantages that the usage amount of superconduction wires is reduced, the technical complexity of the manufacturing of the low-temperature cryostat is decreased, the additional heat load on a low-temperature system caused by the vortex loss of the high-magnetic-conductivity iron core is effectively reduced, the refrigerating cost is reduced, and the safety and stability of the low-temperature system are improved.

The invention relates to a high-stability permanent magnet torque device, which belongs to the field of electromagnetic components. The torque device includes: shell, permanent magnet steel, coil and skeleton, etc. The torque device of the present invention uses permanent magnetic steel as the excitation magnetic field source, and the coil rotates in the magnetic field after being energized. High linearity and stability; the sensitivity of the torque device is high; the rotor is output through soft wires, and the disturbance torque is very small.

The invention discloses a hollow-structure nonmetal Dewar type barrel for an alternating-current superconducting magnet, which comprises an inner-outer barrel (1), a middle barrel (2), a Dewar type cover plate (3), a vacuum interlayer (4) and a vacuum suction nozzle (5), wherein the nonmetal Dewar type barrel adopts a hollow structure with indoor temperature holes; and the Dewar type barrel comprises the inner-outer barrel (1) and the middle barrel (2) which are made of epoxy resin and glass fibre in an integrated and curing forming manner, wherein the vacuum interlayer (4) is arranged between the inner-outer barrel (1) and the middle barrel (2) and is subjected to vacuumizing by the vacuum suction nozzle (5), and a molecular sieve is adopted as an adsorbent for keeping the high vacuum degree. A plurality of layers of thermal insulation materials are pasted on the side walls and the bottom of the barrel of the vacuum interlayer (4), so that conduction heat and radiant heat are reduced; and in the plurality of layers of thermal insulation materials, a reflecting screen is cut off along the peripheral direction, so that the vortex is reduced. The Dewar type cover plates are positioned above the inner-outer barrel (1) and the middle barrel (2), and the magnet and a low-temperature medium are contained in the middle barrel (2).