48results about How to "Increase winding density" patented technology

A motor-generator for converting between electrical and rotational energy includes a rotor mounted for rotation about an axis of rotation relative to a stationary a stator that magnetically interacts with the rotor. The rotor has two spaced apart rotor portions that define therebetween an armature airgap. Magnetic poles on the rotor portions drive magnetic flux across the airgap. An air core armature is located in the airgap, such that opposite sides of the air core armature face the two opposed rotating surfaces of the rotor. The air core armature has windings in which AC voltage is induced as the rotor rotates. The windings are wound with multiple individually insulated strand conductor wire wrapped with a wrapping of a thin dielectric tape film over the multiple individually insulated strand conductor wire.

A pressure vessel (2) for the storage of fluid has a core (10) made of metal or polymer and is wrapped either completely or partially from outside with a high strength fibers (21, 22) for reinforcement wherein one of the reinforcing fibers is a metal wire (21) of a single filament or cables of multi filaments having strength from 2000 MPa to 6000 MPa. The wire has a plastic ductility of over 20% in reduction in area (RA) at tensile fracture. The metal wire (21) is made of steel or nickel or titanium or their respective alloys. The core (10) of the vessel (2) is first wrapped with a resin covered ceramic fibers such as carbon, fiberglass and subsequently wrapped with the metal wire (21) with or without other fibers (22). The metal wires (21) can be of different diameters in parallel or cabled forms.

The invention relates to a double-layer coil for electromagnetic formation and a manufacturing method of the double-layer coil. The double-layer coil comprises a casing; a circular groove where coils are arranged is formed in the front side of the casing; an upper layer coil body and a lower layer coil body are sequentially arranged in the groove from top to bottom; two rectangular through holes are respectively formed in two sides, close to the edge of the casing, in the groove; a step blind hole where a middle connector is arranged is formed in the middle of the groove; the middle connector is matched with the step blind hole; rectangular first blind holes are symmetrically formed in the two sides of the step blind hole; second blind holes corresponding to the first blind holes are formed in the back side of the casing; the first blind holes are communicated with the second blind holes; the beginning end of the upper layer coil body and the beginning end of the lower layer coil body are connected with the middle connector; the output end of the upper layer coil body and the output end of the lower layer coil body penetrate through the through holes and then are respectively connected with a power line in the second blind holes electrically. The double-layer coil has the advantage that the insulation and the mechanical strength of the coil are improved.

A coil component includes a magnetic body part and a coil part. The magnetic body part has first and second magnetic layers stacked together alternately in one axis direction, and cover parts covering the first and second magnetic layers from the one axis direction. The coil part has conductor patterns provided on the second magnetic layers. The magnetic body part includes: oblate soft magnetic grain-containing layers extending over the entire range of the magnetic body part in the direction perpendicular to the one axis direction, exposed in the direction perpendicular to the one axis direction, and formed by oblate soft magnetic grains whose thickness direction is oriented in the one axis direction; and spherical grain-containing layers adjoining the oblate soft magnetic grain-containing layers in the one axis direction, and formed by insulative spherical grains.

A method and a device for inspecting an optoelectronic component are disclosed. In an embodiment, the method includes exciting at least one electromagnetic resonant circuit, formed by the at least one optoelectronic component and the connection board, such that the at least one optoelectronic component emits electromagnetic radiation, wherein exciting the electromagnetic resonant circuit comprises applying an electrical alternating voltage in the electromagnetic resonant circuit by generating a temporally variable electromagnetic alternating field by a first coil and a second coil, wherein the first coil and the second coil are movable with respect to the connection board.

The invention provides a yarn winder and a winding method. An automatic winder (1) includes a cross arm (71) and a unit control section (51). The cross arm (71) makes yarn (20) winding on a conical winding device (30) move transversely. During the winding, the unit control section (51) makes the transverse moving speed of the cross arm (71) in a small-diameter side area increase relative to the transverse moving speed ratio, namely the transverse moving speed ratio, of the cross arm (71) in a large-diameter side area.

The invention discloses an auxiliary wire arranging and drawing mechanism and an automatic winding machine, and aims at providing the auxiliary wire arranging and drawing mechanism which is simple in structure and conducive to improvement of the product winding density and can effectively improve the winding capability of the winding machine. Meanwhile, the invention further provides the automatic winding machine which is high in winding capability, high in production efficiency and good in product quality. The auxiliary wire arranging and drawing mechanism comprises a drive mechanism and a wire wiping head, wherein the wire wiping head is arranged on the drive mechanism; and an auxiliary wire arranging and drawing design is adopted by the automatic winding machine. The auxiliary wire arranging and drawing mechanism is applied to the technical field of the winding machine.

The invention discloses a stator winding iron core and a winding method thereof, and belongs to the field of power equipment. The stator winding iron core comprises an iron core and a winding, whereinthe iron core comprises a core body and an insulating framework which are connected with each other; a plurality of winding areas which are sequentially distributed in the direction from a first endto a second end are defined in the core body; the insulating framework is provided with a wire inlet and a wire outlet; the winding comprises a plurality of wires in one-to-one correspondence with theplurality of winding areas, the starting winding section of each wire in the plurality of wires jointly forms a wire inlet end matched with the wire inlet, and the ending winding section of each wirein the plurality of wires jointly forms a wire outlet end matched with the wire outlet. The stator winding iron core in the embodiment of the invention adopts a multi-strand parallel winding mode, and the production efficiency and quality can be improved.

The invention relates to leftover waster material winding and recycling equipment, in particular to a leftover material wrapuping device capable of realizing parallel winding. The leftover material wrapuping device comprises a winding mechanism, a power mechanism and a hauling mechanism, wherein the winding mechanism is used for winding leftover materials; the power mechanism is used for driving the winding mechanism to run; the hauling mechanism is arranged on a passing zone of the leftover materials and used for enabling the width of the leftover materials to be decreased and used for enabling the leftover materials to be winded in parallel in the winding mechanism. According to the leftover material wrapuping device capable of realizing parallel winding, the hauling mechanism is arranged in addition, the position of a winding device is not changed, the parallel winding of the leftover materials on the winding mechanism is realized; the hauling mechanism drives the leftover materials moves in the direction of a shaft line parallel a wind up roll, so the regulation control to winding and feeding direction of the leftover materials on the winding mechanism is realized further, the parallel winding of adjacent winding rings with equal diameter in the length direction of the winding mechanism is realized, the maximization of the winding density is realized, and the recycling and utilization efficiency of the winding is high.

The invention relates to a method for manufacturing a dye bobbin in the form of a cross-wound spool. According to the method, the cross-wound spool is supported in a bobbin creel of a coil winder of an automatic winder by utilization of a spool. The coil winder is provided with a device for rotating the cross-wound spool, and a device for allowing transverse movement of the yarn wound on the surface of the cross-wound spool. A random winding manner is adopted at the beginning of the dye bobbin (11) for winding, wherein inner yarn layers are wound with a large first cross angle (alpha) for producing good dye liquor, and the spool is switched to a small second cross angle (alpha 1) when reaching of a predetermined diameter (d) of the dye bobbin (11) and rewound in a random winding manner.

A cod arrangement, in particular for a position sensor, has a first coil (1) and a second coil (2) which are electrically connected to one another and disposed substantially coaxially relative to one another. The first coil (1) has a winding density that increases in the longitudinal direction (X) of the coil arrangement, and the second coil (2) has a winding density that decreases in the longitudinal direction (X) of the coil arrangement. In addition, the invention relates to a position sensor having such a coil arrangement and a production method for such a coil arrangement.

The invention discloses a large-density cotton yarn spinning technology comprising the working procedures of blowing, carding, drawing, roving and spinning. According to the technical scheme adopted for solving the technical problems, in the roving working procedure, the twist degree of technology gears arranged on a roving machine is improved, the tooth number of the roving twist degree technology gear Z1 is decreased, and the tooth number of the roving twist degree technology gear Z2 is increased; meanwhile, the winding density of the roving machine is increased, the tooth number of the winding technology gear Z10 is decreased, and the tooth number of the winding technology gear Z11 is increased. The twist degree of the technology gears in the roving working procedure during ring spinning is creatively improved, meanwhile, the winding density of the roving machine is improved, so that yarns with the twist degree matched with that of the yarns in the spinning working procedure are spun on the roving machine in the roving working procedure, and the yarns have the large density larger than 194 tex.

The invention relates to the technical field of flat plate impact experiments, in particular to a heating device and method, and provides a heating device and a heating method for heating a sample before a flat plate impact experiment. The heating device comprises a heat conducting tray and a heating coil. The heat conducting tray is provided with a through hole along the axis. The heat conductingtray is also provided with an annular groove coaxial with the through hole. The heating coil is wound in the annular groove. The heating coil is connected with a temperature regulating circuit. The sample area is heated by the heating coil before the flat plate impact experiment is performed. The device can effectively heat the sample and perform the flat plate impact experiment and has a small overall structure and a simple structure and can effectively heat the sample without affecting the flat plate impact experiment and the use of the velocity measuring system.

The invention discloses a slotless stator single-phase AC asynchronous motor composed of sinusoidal hollow cup windings. The stator of the AC motor is directly composed of sinusoidal hollow cup windings, so that the stator has a slotless structure. The sinusoidal winding constituting the slotless stator is made on the winding tool, which is composed of two splints and inserting plates. The two splints are fixed together by the inserting plate and fastened with screws to form the winding tooling. , install the winding tool on the winding machine, and wind the sinusoidal winding sheet. Glue the sides of the four-pole pair of sinusoidal winding sheets into one group to make two groups of windings; stagger the two groups of windings at one-eighth of the length of one group of windings and glue them together; roll the bonded two groups of windings into a circle Cylinder, insert the centering tool into the cylinder, and then fasten it with the solid tooling to make a slotless stator. The invention breaks through the traditional mode of the cogged stator in the field of AC motors, effectively improves and enhances the performance of the motor; the size of the AC motor can be reduced to φ24mm or even smaller.

A panel audio speaker includes a panel and an actuator rigidly coupled to a surface of the panel. The actuator includes: a magnet assembly including a permanent magnet disposed within a cup, wherein there is an air gap between a sidewall of the cup and the permanent magnet; and, a coil rigidly connected to the panel, the coil including a length of conductive wire wound therein and extending along an axis. The coil includes a first region having a first winding density and a second region having a second winding density higher than the first winding density, the second region extending at least partially into the air gap of the magnet assembly.

The present invention relates to a medical device (2) for electrical stimulation. The device comprising an implantable elongated lead system (20) having a distal end (21) and a proximal end (22), the lead system comprises one or more electrical conductors (23) for connection to one or more electrodes (24). The one or more electrical conductors are wound along a length axis (25) of the lead system with a plurality of windings, and wherein the density of windings is non-uniformly distributed along the length axis. In an embodiment, the medical device is in the form of a deep brain stimulation (DBS) device.

The invention discloses a method for increasing a surface area of an inductor. The method comprises the steps that a silicon wafer with a first area and a second area is provided, wherein the first area comprises a lamination layer of a first oxide layer and a second oxide layer, and the second area comprises lamination layers of the first oxide layer, a middle metal layer and the second oxide layer; strip-shaped wire lead grooves are etched in the second oxide layer of the first area when circuit wire lead holes are etched in the second area; tungsten layers are formed at the bottoms and on side walls of the strip-shaped lead wire grooves when tungsten is settled in the circuit wire lead holes; aluminum is settled after the tungsten layers are subjected to chemical-mechanical grinding, so that an aluminum layer is formed on the second oxide layer; the strip-shaped lead wire grooves are filled, so that the second oxide layer isolated by the strip-shaped lead wire grooves is connected due to the fact that the strip-shaped lead wire grooves are filled; and gaps formed by the strip-shaped lead wire grooves in the second oxide layer are not filled completely.

The invention discloses a pedestrian cooling device of an induction escalator. The pedestrian cooling device comprises an elevator pedestal and an escalator body, wherein a device cavity and a cavityare arranged in the upper end of the elevator pedestal; the output shaft of an escalator body drive motor extends into the device cavity and is fixed with an incomplete gear; the bottom in the devicecavity is in sliding connection with a rack; the rack is engaged with the incomplete gear; the tail end of the rack is fixedly connected with an abutting-against rod which extends into the cavity; oneend, in the cavity, of the abutting-against rod is fixed with a piston for dividing the cavity into a first cavity and a second cavity; a spring is arranged on a position, between the piston and theinner wall of the cavity, on the abutting-against rod; a placing slot is formed in one side of the cavity; a refrigerating cabinet is placed in the placing slot; and the first cavity communicates withthe refrigerating cabinet through a first gas sucking tube. The pedestrian cooling device is reasonable in structure, can automatically output cool air while the escalator is used on hot summer days,and greatly improves taking comfort.

The invention relates to a coil panel of an induction cooker, comprising a coil panel base and enameled wires. The coil panel is characterized in that the coil panel base is provided with wire slots for coiling the enameled wires; the wire slots include a central wire slot and a plurality of circumferential wire slots uniformly arranged around the central wire slot; the central wire slot includesa plurality of annular wire slots centered around the center of the coil panel base; and each annular wire slot includes a plurality of annular wire slots having a common center, and the adjacent annular wire slots overlap with each other. There is no blind area of heating, and the heating is uniform. Especially when fried food is heated, the degree of heating is consistent in different areas, andno part of the food will be burnt.