31results about How to "Uniform flux" patented technology

A motor including a stator and a rotor is disclosed. The rotor includes a first unit and a second unit. The first unit includes an N-pole first magnet and an S-pole second magnet. The first and the second magnets are alternately arranged along a circumferential direction of the rotor at equal angular intervals to form magnetic pole portions. The second unit includes an N-pole or S-pole third magnet and a salient pole arranged in the rotor core. The salient pole functions as a magnetic pole that differs from the third magnet. The third magnet and the salient pole are alternately arranged along the circumferential direction of the rotor to form magnetic pole portions. The number of magnetic pole portions of the second unit is the same as the number of magnetic pole portions of the first unit. The third magnet and the magnet of the first unit having the same pole as the third magnet are aligned in the axial direction of the rotor.

Alternately arrange 2m stator rings in the axial direction, where m is a natural number greater than or equal to 2 (m=2 in the embodiment), each stator ring is formed with a plurality of teeth (31b-34b) and connects the teeth to each other 2m-1 slots (41, 42, 43) are formed between 2m stator rings, and the windings (36, 37, 38) in each slot (41, 42, 43) will be accommodated in the return path The windings (36, 37, 38) in the slots (41, 42, 43) at a distance of m are connected in series so that the excitation directions are opposite, so that the phases of the magnetic flux passing through the teeth (31b-34b) of each stator ring are respectively staggered by 360 ° / 2m, it is possible to abolish the winding portion (transition portion) that does not contribute to the torque, and since the magnetic circuit of each phase is shared through the return path (31a to 34a), a thin and high-output salient pole motor can be obtained, and Since the magnetic circuit of the wave winding motor is formed, the output torque can be increased compared with the salient pole concentrated winding motor.

The invention relates to the technical field of rolled membranes, in particular to a rolled membrane element and its rolling method. By controlling the ratio of the water inlet end to the water outlet end, the rolled membrane elements suitable for different water qualities are rolled, and passed A membrane with high desalination rate is installed at the water inlet, and a high-flux membrane is installed at the outlet, and through the combination of dense screen, membrane, light screen and membrane, various membranes are glued to obtain high-efficiency Flux, high water production rate and high anti-pollution rate of the spiral membrane element, and make the desalination rate and flux of the front and rear are relatively uniform, which solves the problem that the desalination rate and flux of the rear end of the traditional spiral membrane element are significantly lower than those of the front end technical problem.

The invention discloses a preparation method and application of a negative electrode with a lithium / lithiated metal oxide frame composite structure. The method is as follows: 1. x , conductive carbon and PVDF are mixed and evenly coated on the current collector, and after vacuum drying, MO x Pole piece; 2. Using metal lithium sheet as negative electrode, MO x The pole piece is used as the counter electrode, the battery is assembled, the constant current discharge is performed, the cut-off voltage is controlled, and the Li y MO x Electrode frame; three, the Li y MO x The electrode frame is mixed with molten lithium to obtain a composite structure negative electrode, and a solid-state electrolyte is used to assemble an all-solid-state battery. In the present invention, the embedded transition metal oxide MO x As a carrier, Li with fast ion transport properties is formed after lithium intercalation y MO x Electrode frame, and then uniformly deposit metallic lithium inside the frame, thereby inhibiting the growth of lithium dendrites and avoiding safety accidents.

The invention discloses a stator of a high-strength electric motor, which comprises a casing, a lower base is clamped outside the bottom end of the casing, and a lower rotor disk is arranged on the inner wall of the bottom end of the lower base, and the lower rotor disk The top is provided with a stator disk, and the top outer wall of the stator disk is provided with an upper rotor disk, the middle part of the inner wall of the lower rotor disk and the upper rotor disk is connected with the same connecting shaft, and the inner wall of the housing is located on the outer wall of the stator disk. For the heat dissipation slip ring, the outer wall of the housing is equidistantly distributed with heat dissipation fins in a circular manner, and the outer wall of the housing close to the outer wall of the heat dissipation fins is equidistantly distributed with fixed penetrating rods in a circular manner. The present invention adopts six groups of coils arranged crosswise with magnetic poles to form two three-phase windings inside and outside respectively, which are connected in parallel at the input end through the terminal to reduce the working voltage of the motor, and the power loss of the motor is lower when the overall power remains unchanged.

The present invention relates to an apparatus and method for electrically charging nanoparticles (30). The invention comprises atomizing one or more liquid starting materials into droplets (3), electrically charging the droplets (3) during or after the atomization and vaporizing the one or more liquid materials of the droplets (3) for generating the nanoparticles (30) from the liquid droplets (3) such that the electrical charge of the droplets (3) is transferred into the nanoparticles (30) for producing electrically charged nanoparticles (30).

An apparatus and method for electrically charging nanoparticles. The invention including atomizing one or more liquid starting materials into droplets, electrically charging the droplets during or after the atomization and vaporizing the one or more liquid materials of the droplets for generating the nanoparticles from the liquid droplets such that the electrical charge of the droplets is transferred into the nanoparticles for producing electrically charged nanoparticles.

The invention provides a multi-magnetic couple magnetorheological damper with uniform magnetic flux distribution, comprising a cylinder, a piston and a piston rod. The piston includes an even number of magnetic couple structures, and the even number of magnetic couple structures are evenly arranged circumferentially around a magnetically permeable inner ring. arranged in the hollow area of ​​the cylinder; the magnetically permeable inner ring is arranged in the inner circumferential direction of the even-numbered magnetic couple structures, and the outer circumferential direction of the even-numbered magnetic couple structures is provided with a magnetically permeable outer ring; A damping channel is set between the inner wall of the magnetically conductive outer ring and the magnetically conductive outer ring; the piston rod vertically passes through the middle hole of the magnetically conductive inner ring and is axially parallel to the cylinder, and cooperates with the magnetically conductive inner ring; the magnetically conductive outer ring is provided with There are magnetic resistance gaps arranged in the circumferential direction, and the magnetic resistance gap is set between two adjacent magnetic couple structures; the extension of each of the magnetic couple structures provided on the magnetically conductive outer ring constitutes a gradual change in cross-sectional area The extension structure to achieve uniform distribution of the magnetic flux of the damping channel. The invention realizes the uniform distribution of the magnetic force lines of the damping channel of the multi-magnetic couple magnetorheological damper.

The invention provides a semi-solid polymer electrolyte and a preparation method thereof, and a lithium metal battery. The preparation method of the semi-solid polymer electrolyte comprises: dissolving 4,4'-dihydroxydiphenyl sulfone in a solvent, and then adding boron Lithium hydride, the first product is obtained after the reaction; the first product and polybenzimidazole are dissolved in N,N dimethylacetamide to prepare a casting solution, and the casting solution is cast on the substrate, and then the substrate is immersed in ethyl acetate Remove N, N dimethylacetamide from the ester, and obtain a polymer electrolyte membrane after drying, and set aside; dissolve the acrylate monomer and initiator in the electrolyte to prepare a precursor; soak the polymer electrolyte membrane in the precursor In the liquid, the polymerization reaction is carried out and the semi-solid polymer electrolyte is prepared. The semi-solid polymer electrolyte of the present invention has good mechanical strength and stable electrolyte-electrode interface.

The invention relates to a solenoid valve (1) for controlling the brake pressure of the wheel brakes of a slip-adjustable hydraulic brake system of a motor vehicle, the solenoid valve having at least partially arranged longitudinally movable Valve element (6) in the valve insert (8) and cooperating with the valve seat (9.1), said valve element being opened along the valve seat (9.1) by means of a spring device (7) in the installed position direction acting force components and can be manipulated in the closing direction with respect to the valve seat (9.1) by means of an electromagnetic actuator (3), wherein the valve element (6) is arranged between the armature (4) and the between the valve seat (9.1) and in operative connection with the armature (4), wherein the solenoid valve (1) is characterized in that the end face of the valve element (6) facing the armature (4) ( 6.4) Having at least one protrusion (6.3), wherein said protrusion (6.3) defines a contact point with said armature (4). Furthermore, the invention relates to a mold for producing said valve element (6).

A support member for an improved three-chambered electrolytic cell is disclosed. A porous synthetic support system for exchange membranes in electrolytic cells is used for exchange membrane protection in electrolytic cells for the in situ generation of electrolysis solutions, such as bleach or hypochlorous acid.

A sample loading device for high-speed neutron irradiation autorotation comprises an outer cylinder with a detachable end, wherein, a plurality of fan-shaped holes are formed on the upper and the lower end surfaces of the outer cylinder; an inner tank body is arranged in the outer cylinder; the inner tank body is a cylinder with a bottom, and a cover is arranged at the open end of the inner tank body; two ends of the inner tank body are respectively sleeved on an upper rotary cover and a lower tray; the upper rotary cover is supported on the upper end surface of the outer cylinder, whereas, the lower tray is supported at the bottom end of the outer cylinder; an impeller is fixed on the shaft lever of the upper rotary cover; and through support of the upper rotary cover and the lower tray and the rotation of the impeller, the inner tank body can rotate under the action of the water flow of the fan-shaped holes at the two ends of the outer cylinder. Through the invention, the problem that the sample high-speed neutron irradiation is transversely uneven is solved, the processing is simple, the use is convenient, and accordingly, the safe problem of the reactor is avoided; and besides, the sample loading device has no radioactivity after irradiation and can be used repeatedly.