132 results about "Coil insertion" patented technology

The invention discloses a stator winding of an alternator. The stator includes 8 poles and 48 rectangular stator slots equally spaced. In the stator slot, the winding is implemented as a 6-pitch full-pitch winding structure with 3 phases and 2 parallel connections or a 6-pitch full-pitch winding structure with 3 phases and 1 parallel connection, and the number of slots per pole and phase is 2. Each square coil is inserted into the different layers of two different stator slots on the stator and connected according to predetermined rules to form the stator winding. Four coils are placed in each stator slot, and they are sequentially arranged from outside to inside according to the radial direction of the stator. 1st floor, 2nd floor, 3rd floor, 4th floor. The invention can solve the contradictory problem between the performance and volume of the generator, reduce the height of the end part of the stator winding of the generator, reduce the overall volume of the generator, increase the full rate of the winding slot, and improve the performance of the generator.

A method for inducing weight loss in a patient by providing an implant for placement within the stomach. The implant having a member with an undeployed shape for delivery to the stomach and a deployed shape for implantation therein. The member has a plurality of links pivotably connected to each other, and a flexible elongated tether connected to the member. The method then involves delivering the member to the stomach while in its undeployed shape, and placing the member in its deployed shape by applying tension to the tether. The method also involves exerting an outward force against an interior of the stomach so as to bring together two substantially opposing surfaces of the hollow body by placing the member in its deployed position.

An insulating paper piece for electric motors, capable of improving both electrical insulation between a coil and a stator core and electrical insulation between ends of coils of different phases without adversely affecting ease of coil insertion or the space taken up for the coil. A single insulating paper piece for electric motors contains at least two slot cell portions arranged in two slots of the stator core in which portions of one single pole coil are to be inserted, with two phase insulation portions arranged to connect respective ends of the two slot cell portions to form loops and disposed to face directly against coil ends of the single pole coil. The phase insulation portions comprise overlapping widthwise portions extended from both ends so that when a plurality of the insulating paper pieces for electric motors are mounted on the stator core, the respective overlapping portions of the adjacent insulating paper pieces overlap one another.

A stator includes a cylindrical stator core and a coil. The stator core is formed by stacking a plurality of core sheets. The stator core has a groove formed in an outer circumferential surface thereof and a slot. The coil is inserted in the slot. The groove is located parallel to an axis of the stator core and the slot is skewed with respect to the axis.

A multi-driver transducer having symmetrical magnetic circuits and symmetrical coil circuits, wherein one or more pieces of circular or annular partitions made of a non-magnetic material are used to bond two or more sets of dual magnetic gap and dual coil driver units (01 or 02) into one integrated magnetic core. Four or more coaxial isodiametric annular magnetic gaps are formed between the inner circumferential face or outer circumferential face of one or two tubular magnetic yokes embedded in an open-end tubular thin wall of the bracket and the vertical circumferential face of an upper pole plate and a lower pole plate of the magnetic core, four or more coaxial and isodiametric coils are inserted in the four or more coaxial and isodiametric annular magnetic gaps, and the winding direction, connection manner, and necessary technical features of the coils are governed; thus, the multi-driver transducer having one or more pairs of mutually-repelling magnets, symmetrical magnetic circuits, and symmetrical coil circuits is constituted. Back electromotive force and inductance acquired via induction by the transducer during the working process are mutually offset. The transducer has resistive load features or near-resistive load features, and has super-high sensitivity, high resolution, and high-fidelity quality.

Withdrawing a hollow stem auger string from a well includes a retractor having C-shaped inter-coil insertions and a hoist having tong-arms, one which terminates in an inwardly disposed pin. The retractor connects to a drilling rig's hydraulic cylinder vertical drive system, the hoist to a winch system thereof. The retractor engages the string by the C-shaped inter-coil insertion disposed between one coil of the helical flight of the topmost section of the string. The hoist engaged the top collar of the topmost section by the at least one pin inserting into a pin hole thereof. The string is lifted about the height of one section by the retractor, which is promptly disengaged. The topmost section is detached, and carried by the hoist to elsewhere to be dropped. The method repeats by re-engaging the retractor and hoist and then returning to the activity of lifting.

A motor manufacturing method includes: a coil formation step of forming a unipolar coil, having coil inserting portions at two positions and coil end portions at two positions, in to a shape that changes such that a size in a height direction parallel to the coil inserting portion is larger in an inner peripheral side corresponding to a diametrical direction of a motor core along a direction of a winding axis center, than in an outer peripheral side; and a coil insertion step of disposing the unipolar coil in such a manner that the coil inserting portions in the unipolar coil respectively face toward inner peripheral opening portions of slots and are substantially parallel to an axial direction of the motor core, and inserting the coil inserting portions of the unipolar coil into the slots by moving the unipolar coil toward the motor core substantially linearly, while holding the motor core such that protrusion dimensions at both ends protruding from both end surface positions in an axial direction of the motor core are maintained substantially the same.

The present invention relates to a magnetic chuck. The present invention provides a magnetic chuck capable of attaching and processing a workpiece by magnetism, and the magnetic chuck comprises: a small-sized magnetic member which includes a magnetic substance having magnetic properties, and panel units that are respectively positioned on both sides of said magnetic substance through heat treatment and in which non-magnetic panels are inserted between a plurality of magnetic panels; a sidewall unit which has accommodation grooves by positioning respectively a first sidewall and a second sidewall on both sides of said small-sized magnetic member; coupling members which are coupled by penetrating said small-sized magnetic member and the sidewall unit; alnico magnets which are inserted into said accommodation grooves; coils which are inserted into said accommodation grooves, and enclose the alnico magnets; fillings which mutually couple said alnico magnets and said coils, and are filled in the accommodation grooves such that one side of the alnico magnets is exposed; and a first insulator which is equipped on one side of said first sidewall to allow magnetism, which flows into the first sidewall, to flow in another direction.

A plurality of single-pole coils are retained by a coil retaining device, the single-pole coils are arranged such that the coil insertion portions of each single-pole coil confront the inner circumference openings of the slots and may be generally parallel to the axial direction of the motor core, each single-pole coil is moved linearly toward the motor core such that the coil retaining device and the moving locus before the adjoining coil insertion portions in the adjoining single-pole coils are inserted into the slots are parallel or approach the more from the inner circumference side to the outer circumference side and the two coil insertion portions of each single-pole coil are moved such that they may start their movements simultaneously and at equal velocities.

The invention relates to a coil insertion method and a coil insertion device. In the process of embedding a polyphase coil in a stator core groove and under the state that a coil curve part protrudes from the stator core top end, the curve part is expanded towards the direction deviating a stator core axle center, and the coil at the lower part and the coil at the upper part do not conflict with each other. The coil insertion device is provided with a coil end expansion means implementing the above method. Even when a polyphase coil is inserted, a coil insertion method and a coil insertion device which can reduce the height of the coil at the end part which protruding from the stator core end face.

According to the present invention an improved insulator cup, or case liner, enhances electrode coil insertion by reducing the possibility of damage to the coil during insertion, protects electrode and separator from laser radiation during welding, and eases manual inspection of partially assembled components, among other advantages. The improved insulator cup includes a mechanical joint, or hinge-like feature, which pivotably couples opposing parts of the cup and greatly enhances coiled electrode insertion and subsequent component inspection prior to sealing a cover member over an electrode assembly disposed within a housing. The mechanical joint can comprise additional parts that adhere to a divided insulator cup or can be formed as an integral part of an insulator cup (e.g., a linear area of reduced thickness, of apertures, and/or perforations, etc.).

The present invention relates to a combi-card which can be used in a contact-type or noncontact-type fashion and a method for manufacturing the same. More particularly, this invention relates to a combi-card and a method for making the same, in which an inlay layer on which an antenna terminal made of a coil or conductive fiber is formed and a COB (chip on board) on which ACF (anisotropic conductor film) is applied, are pre-treated by a heating head and the like, the COB is attached to an antenna coil insertion layer, and an upper printing sheet with a protection film, and a lower printing sheet with a protection film, which are cut out to be suitable for the COB shape, are stacked to construct a combi-card.

The present invention is to reduce interference of a slot wedge guide member and coils configured for guide the slot wedge inserted together when winding coils are inserted into stator core of a motor, and to reduce damage along the coils inserted together even for coils with short perimeter. According to the invention, processes of enlarging distance between the slot wedge guide member to the coils insertion end of the core are added after a part of normal coils insertion processes, then process of inserting coils is continue in condition that the coils insertion end of the core move away from the slot wedge guide member.

Disclosed is a bus bar having a plurality of connection taps formed radially therefrom, the bus bar including: first, second and third faces extended sequentially from the end of each connection tap in such a manner as to have a U-like side shape; and a coil insertion portion having a groove formed in a length direction of each connection tap on the center portions of the first, second and third faces and having a thickness lower than the thicknesses of the first, second and third faces, the coil insertion portion having a coil inserted into the groove thereof.

The invention provides a driving apparatus comprising: a magnet that is magnetized to at least two poles in a circumferential direction and fixed to a rotor axis formed with a soft magnetic material; first and second coils arranged in the same direction as the magnet with respect to the magnet-axis direction and arranged adjacent to an end surface of the magnet in the magnet-axis direction; the first magnetic pole portion excited by energizing the first coil; the second magnetic pole portion excited to a pole opposite to the first magnetic pole portion by energizing the second coil; and a yoke portion formed with a soft magnetic material for supporting the first and second magnetic pole portions. The first magnetic pole portion includes a first coil insertion portion that is inserted to an internal diameter portion of the first coil, and a first magnet facing portion that is arranged to face a magnetized outer circumferential portion of the magnet with a predetermined gap at a predetermined angle. The second magnetic pole portion includes a second coil insertion portion that is inserted to an internal diameter portion of the second coil, and a second magnet facing portion that is arranged to face a magnetized outer circumferential portion of the magnet with a predetermined gap at a predetermined angle.

In a production method of a rotor, a lower layer slot insulator is held at a slot insulator holding portion of a combining jig. A lower layer coil bar is inserted into a coil inserting path of the combining jig and is combined integrally with the lower layer slot insulator by being pushed together. Thereafter, the combined set is set in a coil integrating path of a coil holding member. The coil holding member is attached to a coil inserting device along with an armature core. The lower layer slot insulator and a lower coil trunk are integrally inserted into a slot of the armature core by pushing the lower layer coil bar in the coil integrating path. The lower layer coil trunk and an upper layer coil trunk may be formed integrally with respective coil arms as a single coil bar.

A motor manufacturing method, comprising the steps of holding a plurality of single-pole coils by a coil holding means, arranging the plurality of single-pole coils so that the coil insert parts of the single-pole coils are opposed to the inner peripheral opening parts of slots and positioned generally parallel with each other in the axial direction of a motor core, moving the single-pole coils generally linearly toward the motor core so as to be disengaged from the coil holding means so that the moving routes of the adjacent single-pole coils before being inserted into the slots of the adjacent coil insert parts become parallel with each other or close with each other starting at the inner peripheral side toward the outer peripheral side thereof and that two coil insert parts of the single-pole coils start the movement simultaneously and the speeds thereof become the same.

In a rotating armature in which a bobbin is attached to a core constituting a stator, a coil is wound around a coil winding portion of the bobbin, and a wind starting and a wind terminating of the coil are a respectively inserted to coil insertion grooves provided in an outer peripheral side than the coil winding portion in the bobbin, and coil come-off preventing locking portions are provided in the coil insertion grooves of the bobbin.