42results about How to "Many turns" patented technology

The invention relates to a novel manufacturing method of a planar spiral inductor. Manufacturing of the planar spiral inductor is carried out through a glass or quartz substrate; manufacturing of the planar spiral inductor is achieved by an MEMS technology which comprises a metal thin film deposition process, a dielectric layer thin film deposition technology, a thick metal layer plating process, a thick resist lithography process, an etching process and the like; the planar spiral inductor and the substrate do not need to be isolated by a thick insulating layer; and the plane shape of the planar spiral inductor and the thickness of a coil are not limited. Manufacturing of the planar spiral inductor is achieved by the MEMS technology on the glass or quartz substrate; the coupling effect and the skin effect between the coil and the substrate at a high frequency are avoided; a high Q-value inductor can be achieved; meanwhile, the thickness of a metal layer of an inductance coil is not limited; and the loss of the coil is low. The technology is simple; the requirements of multiple fields of a signal isolator, a planar antenna, a microwave baseband line, a planar spiral inductor resonator and the like can be met; and the process difficulty is reduced.

The invention discloses a whole-zone electric coupling source frequency domain magnetic sounding method and a device thereof; the magnetic sounding method comprises the following steps: (1) a transmission power source (generating set) is arranged, the transmission power source is connected with a multiple frequency current transmission machine and the multiple frequency current transmission machine is connected with two current-supply electrodes A and B; (2) a transmission-reception distance r is selected, a reception magnetic probe is arranged and is connected with a reception machine; (3) the transmission power source, the multiple frequency current transmission machine and the reception machine are started, the multiple frequency current transmission machine transmits the current of designated wave form, voltage, volume as well as frequency to the underground via the current-supply electrodes A and B, the reception machine measures the magnetic field responses of each frequency component from the underground simultaneously, the relevant parameters are automatically stored into a memory and the apparent resistivity of near zone, far zone and medium zone can be automatically calculated respectively according to relevant formulas, automatically drawn out and stored. The invention also comprises the corresponding devices. The whole-zone electric coupling source frequency domain magnetic sounding method is suitable to be used for underground electrical distribution observation in the whole zone (including the near zone, the medium zone and the far zone), used for investigating underground geological structure and mineral product distribution or solving other engineering, hydrological as well as environmental geological problems, and has high observation efficiency, high accuracy and simple equipment.

A steering assist system for a watercraft including a force detection assembly adapted to detect a force further applied to an operator steering control of the watercraft after the steering control is turned to a maximum turning position. The steering assist system also includes a controller configured to increase a steering force produced by the watercraft in response to an output of the force detection assembly. In one arrangement, the steering assist system increases an output of a propulsion system of the watercraft in proportion to an output of the force detection assembly. In another arrangement, the steering assist system moves a steering force producing member, such as a deflector or rudder, for example, in response to an output of the force detection assembly in addition to, or alternative to, increasing an output of the propulsion system.

The present invention relates to a film bearing exclusive use giant magnetostrictive driver which comprises a magnetic base plate, a magnetic outer housing, a giant magnetostrictive rod, a coil framework, a exciter coil, a bias coil, a magnetic cover gasket, a upper cover, fastening screws and supporting block. The invention comprises the following steps: measure bearing film gapping place by using current vortex displacement sensor, adjust driver output displacement by adjusting power supply current of driver to realize static state and dynamic adjustment of film gapping place and reach target of enhancing rotate precision and stability of film bearing.

The present invention discloses a charging coil and a manufacturing method thereof. The charging coil comprises a substrate having at least one set of conducting and connecting holes; at least one coil structure formed on the substrate, wherein the two end points of each coil structure are connected with one set of conducting and connecting holes; a supporting layer formed at the gaps and the peripheries of the coil structures to support the coil structures. According to the present invention, a lithography technology is applied to manufacture, thereby obtaining the charging coil which realizes a single place and has the largest number of turns and the thinnest thickness, and realizing the technical effects of simple process and high yield.

The invention relates to a composite magnetic coupling resonance type wireless power transmission coil. The cross section of a transmission line adopted for winding a transmission coil is a layered structure which is formed by compounding a solid copper conductor, a first insulating layer, a copper conducting layer, a high-conductivity material conducting layer and a second insulating layer; the solid copper conductor forms an excitation coil or a load coil of the composite magnetic coupling resonance type wireless power transmission coil, and the copper conducting layer and the high-conductivity material conducting layer commonly form a transmitting coil or a receiving coil of the composite magnetic coupling resonance type wireless power transmission coil, so that the excitation coil andthe transmitting coil or the load coil and the receiving coil are compounded into a whole. The internal resistance, caused due to the skin effect, of the transmitting coil and the receiving coil in ahigh-frequency condition can be reduced in a four-coil magnetic coupling resonance type wireless power transmission system, the quality factor of the coils can be improved and high-efficiency transmission of power is achieved so as to provided convenience for miniature and miniaturized devices using the four-coil magnetic coupling resonant wireless power transmission technology.

The invention aims to provide a stator assembly, which can improve the output power of an outer rotor motor, has a good insulation effect and is convenient to process and assemble, of the outer rotormotor. The stator assembly of the outer rotor motor comprises a stator iron core and stator frameworks arranged at two axial ends of the stator iron core, the stator iron core comprises an iron core ring part and iron core tooth parts located in the circumferential outer side of the iron core ring part. Each stator framework is composed of a framework ring part and a framework gear sleeve part which is arranged outside the iron core gear part in a sleeving mode and located outside the framework ring part in the circumferential direction. The framework tooth sleeve parts are in one-to-one correspondence with the iron core tooth parts and are provided with accommodating grooves matched with the iron core tooth parts; winding grooves for giving way to windings are formed between the adjacentframework tooth sleeve parts, the axial end parts of the framework tooth sleeve parts extend outwards in the circumferential direction to form positioning plates located in the axial sides of the outer ends of the iron core tooth parts, and limiting blocks are arranged in the sides, away from the stator iron core, of the positioning plates.

The invention belongs to the field of nuclear reactors, and particularly relates to a modular electromagnetic pump for transporting liquid metal in the nuclear reactor. The pump comprises a pump gutter assembly and an electromagnetic module, wherein the electromagnetic module is used for providing electromagnetic force; the pump gutter assembly penetrates the center of the electromagnetic module;flanges are arranged at both ends of the electromagnetic module; fixed blocks are arranged at connecting parts of the flanges and the electromagnetic module; and thus, the modular electromagnetic pumpis provided.

The invention provides a stator, a motor with the stator, a fluid pump with the motor and a vehicle comprising the fluid pump. The stator comprises a stator iron core, an upper insulating frame, a lower insulating frame and a plurality of wiring terminals; the upper insulating frame comprises an upper inserting part and an upper extending part, and the lower insulating frame comprises a lower inserting part and a lower extending part. A plurality of terminal clamping grooves are formed in the peripheral wall of the upper extending part, a plurality of notches extending downwards by different depths are formed in the upper end face of the upper extending part, a plurality of protrusions are arranged on the peripheral wall of the upper extending part and arranged into multiple layers spaced in the axial direction of the upper insulating frame, and wiring spaces are formed between the adjacent layers. The protrusions on the same layer are distributed at intervals in the circumferential direction of the upper insulating frame, connecting lines of the multiple windings are led out of the notches and distributed in the wiring space in the circumferential direction of the upper insulating frame, and the wiring terminals are inserted into the multiple terminal clamping grooves respectively. According to the stator provided by the invention, the wiring terminals are convenient to install, the windings are prevented from overlapping and crossing, and the motor performance is improved.

The invention discloses a swing type motor matched with an electric toothbrush for use and capable of feeding back output swing amplitude, which comprises a shell, an output shaft is rotatably arranged in the shell, a rotor iron core is arranged on the output shaft, a permanent magnet is arranged in the rotor iron core, stator iron cores are respectively arranged on two sides of the rotor iron core of the shell, and a permanent magnet is arranged in the stator iron core. The stator core is wound with a coil, the generator further comprises a power generation winding and a magnetic part, the power generation winding is connected with an external operation module, the operation module is arranged outside the shell and connected with the shell, the magnetic part is arranged close to the power generation winding, and the power generation winding and the magnetic part are arranged in a relative movement mode. The structure is simple, the rotation amplitude of the output shaft can be effectively fed back, and the using effect of the overall structure is effectively improved.

The invention discloses a cable drum with a wire outlet capable of rotating by 360 degrees, and belongs to the technical field of engineering machinery. The defect that a cable drum in the prior art cannot automatically change the wire outlet direction is overcome. The cable drum mainly comprises a mounting frame, a drum body is mounted on the mounting frame and comprises a drum main body, an upper baffle and a lower baffle are mounted on the upper side and the lower side of the drum main body correspondingly, a wire outlet assembly is arranged on the upper side of the upper baffle and comprises a connecting plate, one end of the connecting plate is movably connected with the drum main body and fixedly connected with one or more mounting plates, the connecting plate rotates relative to thedrum main body, the other end of the connecting plate is connected with the wire outlet, a friction assembly is arranged on the lower side of the lower baffle and comprises a friction disc and friction columns, the friction disc is fixed to the mounting frame through a friction disc support, vertical guiding rods are mounted between the mounting plates and the friction disc, the friction columnsare mounted on the guiding rods, elastic pieces are mounted between the friction columns and the mounting plates, and cushion blocks are mounted between the elastic pieces and the friction columns.

The invention provides a small excitation device (2) which can be simply manufactured and can fully ensure coil space. The excitation device (2) is provided with a cylindrical outer pole member (7) and an inner pole member (6) embedded into the hollow part of the outer pole member (7). The inner pole member (6) has an annular recessed portion (14) open towards the outside of the radial direction,and an insulating coating film (15) is formed on the wall surface of the annular recessed portion (14). In addition, a plurality of excitation coils (8) are directly wound around the annular recessedportion (14).