Abstract: A stator for an electric rotating machine includes a hollow cylindrical stator core and a stator coil made up of a plurality of wave-shaped electric wires. Each of the electric wires has a plurality of in-slot portions, each of which is received in one of slots of the stator core, and a plurality of turn portions each of which is located outside of the slots of the stator core to connect one adjacent pair of the in-slot portions of the electric wire. The stator coil includes a plurality of radial position shift portions each of which is provided, in one of the electric wires, in one of the turn portions of the electric wire between an apex part of the turn portion and one of the in-slot portions of the electric wire adjoining the turn portion and is radially bent to shift the radial position of the electric wire.

Abstract: A stator includes a stator core, a stator coil comprised of a plurality of electric wires, and at least one restraint. Each of the electric wires has a plurality of in-slot portions received in slots of the stator core and a plurality of turn portions that are located outside of the slots to connect the in-slot portions. The restraint is mounted to end parts of the turn portions belonging to a turn portion group of the electric wires to restrain relative radial movement between the turn portions of the turn portion group. All the turn portions of the turn portion group protrude from the same slot of the stator core. The end parts of the turn portions respectively adjoin the in-slot portions of the electric wires received in the same slot of the stator core and align with each other in a radial direction of the stator core.

Abstract: A stator includes a hollow cylindrical stator core and a stator coil made up of wave-shaped electric wires. Each of the electric wires has in-slot portions, which are received in slots of the stator core, and turn portions that are located outside of the slots to connect the in-slot portions. The stator coil includes first crank-shaped portions and second crank-shaped portions. Each of the first and second crank-shaped portions is provided, in one of the electric wires, at the center of an apex part of one of the turn portions and is radially bent to shift the radial position of the electric wire. The amount of radial position shift made by each of the second crank-shaped portions is less than that made by each of the first crank-shaped portions. The second crank-shaped portions are located at a plurality of places in the circumferential direction of the stator core.

Abstract: A radiographic image detecting apparatus and a radiographic image capturing system are provided. The radiographic image detecting apparatus includes a plurality of photoelectric conversion elements for generating electric charge by emission of radiation, a bias line through which a bias voltage is supplied to the photoelectric conversion elements, a power supply for applying the bias voltage to the photoelectric conversion elements through the bias line, a current detector for detecting a bias current flowing through the bias line, and a reading circuit including an amplifying circuit. The current detector includes a current mirror circuit connected between the bias line connected to the photoelectric conversion elements and the power supply.

Abstract: A method of manufacturing a coil assembly of a rotary electric machine is disclosed wherein first and second coil wire segments are located on an axis direction in opposition to each other to allow first turn portions of the first and second coil wire segments to intersect with each other (in locating step). Engaging movement, composed of a forward transferring movement, a rotating movement and a translating movement, is conducted on the second coil wire segment with respect to the first coil wire segment to allow the first turn portion of the second coil wire segment to engage a second turn portion of the first coil wire segment (first engaging step). Conducting the engaging movement allows to engage a third turn portion of the first coil wire segment (second engaging step).

Abstract: A stator for a dynamoelectric machine includes a stator core and a stator coil. The stator coil is made up of wave-shaped electric wires mounted on the stator core. Each of the electric wires has in-slot portions, each of which is received in one of slots of the stator core, and connecting portions each of which is located outside of the slots to connect one adjacent pair of the in-slot portions. Each of the connecting portions includes an apex part that is located axially furthest in the connecting portion from the stator core and includes an oblique section extending obliquely with respect to the radial direction of the stator core. Further, the oblique sections of the electric wires on one side of the stator core in the axial direction of the stator core are oblique in the same direction as those on the other side of the stator core.

Abstract: In manufacturing a stator coil for rotary electric machine having phase windings, plural conductive shaped wire members are integrated mutually to form an integrated body. Each shaped wire member has plural straight portions and plural turn portions alternately connecting adjacent straight portions at each of both ends of each straight portion. The body has plural straight superposed portions each formed by mutually superposing the plural straight portions. A wound-up body has plural straight stack portions The straight portions are fitted to respective fitting grooves of an alignment member, the fitting grooves being formed in the alignment member at intervals each corresponding to the size of a gap between adjacent straight stack portions. The integrated body is wound about a core member together with the alignment member, with the straight portions being fitted to the alignment member to form the wound-up body.

Abstract: There is disclosed a method of manufacturing a stator for a dynamoelectric machine. The method includes a step of mounting a hollow cylindrical electric wire assembly, which includes a plurality of straight stacked portions of shaped electric wires, to a hollow cylindrical stator core that includes a plurality of slots formed in the radially inner surface thereof. The mounting step includes: (1) placing the electric wire assembly radially inside of the stator core so that each of the straight stacked portions of the electric wire assembly is radially aligned with a corresponding one of the slots of the stator core; and (2) radially expanding the electric wire assembly to insert the straight stacked portions of the electric wire assembly into the corresponding slots of the stator core.

Abstract: A method is provided for manufacturing a stator coil for a rotary electric machine, which is formed by winding up a plurality of phase wires. The method includes a shaping step for shaping a plurality of shaped wire members from electrically conductive wires, an integrating step for integrating the plurality of shaped wire members with each other to form an integrated body, and a winding-up step for winding the integrated body about a core member to form a wound body. At the winding-up step, curve forming is performed by plastically deforming turn portions of the integrated body into a curved shape, during conveyance of feeding the integrated body to the core member.

Abstract: During sending the combined body 47 to the core member 6, the pre-orientation members 81 are respectively inserted into a plurality of the consecutive clearances 472 of a plurality of the clearances 472 formed between the adjacent straight overlap sections 471 of the combined body 47. By the pre-orientation members 81, the overlap of the straight portions 431 in the straight overlap section 471 and the pitch between the straight overlap sections 471 are aligned in advance.

Abstract: The method is for manufacturing a coil assembly of a stator of an electric rotating machine constituted by a plurality of interlaced coil wires each including a plurality of in-slot portions and a plurality of turn portions each of which connects adjacent two of the in-slot portions. The method includes a setting step of setting coil wires such that they are located on a circle and extend in parallel, and a plurality of shaping steps performed repeatedly for interlacing the coil wires into a doughnut shape.

Abstract: A rotor for an electric rotating machine is provided. The rotor includes a shaft and a core which is fastened to an outer periphery surface of the shaft by shrink fitting. The shaft includes a fastening portion to which the core is fastened. A diameter of the fastening portion is smaller than a diameter of at least one other portion of the shaft.

Abstract: A method of welding a plurality of conductors to form a winding extending through an annular stator core. The conductors are inserted into slots formed in the stator core to have coil ends extending outside an end surface of the stator core. A plurality of pairs of the coil ends are arranged in diagonal arrays extending diagonally with respect to a radial direction of the stator core. The method inserts a first electrode into a gap between adjacent two of the diagonal arrays and then brings a second electrode close to one of the adjacent two of the diagonal arrays to arc-weld, the pairs of the coil ends. This welding method enables the welding of the coil ends arrayed in the above layout efficiently while keeping the electrical insulation between the pairs of the coil ends.

Abstract: In a current control driver that drives an active matrix device, a write current can be set larger and unevenness in currents can be reduced between elements receiving the currents. In the current control driver having an element circuit for each of the elements comprising a converting unit for converting an applied current into a voltage, a retaining unit for retaining the voltage converted by the converting unit, and a driving unit that converts the voltage retained by the retaining unit into an output current and supplies the output current, the converting unit is shared between two or more of the element circuits and a switch located between the shared converting units connects two or more of the converting units to one of the elements during a current supply period for the element.

Abstract: A stator includes a stator coil comprised of electric wires each of which has in-slot portions received in slots of a stator core and turn portions located outside the slots to connect the in-slot portions. Each of the turn portions is stepped to have parallel parts that extend substantially parallel to a corresponding axial end face of the stator core. For each pair of the turn portions of the electric wires, which respectively protrude out of an adjacent pair of the slots of the stator core, the parallel parts of one of the turn portions overlap those of the other in the axial direction of the stator core. A clearance provided between one of the overlapping pairs of the parallel parts, which is positioned furthest from the corresponding axial end face of the stator core, is largest among all clearances provided between the overlapping pairs of the parallel parts.

Abstract: A stator for an electric rotating machine is provided which is equipped with a stator coil. The stator coil has a plurality of in-slot portions arrayed within each of slots formed in a stator core in a radial direction of the stator core. Adjacent two of the in-slot portions disposed in each of the slots have radially-facing surfaces which extend in non-parallel to one another at least one of ends of the in-slot portions. The non-parallel orientation of the radially-facing surfaces avoids close contact between entire areas thereof when the in-slot portions move undesirably within the slot in the radial direction of the stator core. In other words, a gap is kept between the radially-facing surfaces and serves as a radiator to dissipate heat, as generated in the in-slot portions.

Abstract: A stator for an electric rotating machine includes a stator coil that is formed of a plurality of electric wire segments each of which is comprised of an electric conductor and an insulating coat covering the electric conductor. The electric wire segments include a joined pair of first and second electric wire segments. Each of the first and second electric wire segments has an end portion of a first predetermined length where the electric conductor is not covered by the insulating coat. The end portions of the first and second electric wire segments are joined together. For each of the first and second electric wire segments, the insulating coat has, at its boundary with the end portion of the electric wire segment, a peeled portion of a second predetermined length which has a distal end peeled from the electric conductor and a proximal end remaining attached to the electric conductor.

Abstract: Disclosed is an apparatus for rolling a substantially planar electric wire by more than one turn into a spiral shape. The apparatus includes an inner pressing member having an outer surface, an intermediate pressing member having radially inner and outer surfaces, and an outer pressing member having an inner surface. The inner and intermediate pressing members together press a first part of the electric wire between the outer surface of the inner pressing member and the inner surface of the intermediate pressing member, thereby plastically deforming the first part to extend along the outer surface of the inner pressing member. The intermediate and outer pressing members together press a second part of the electric wire between the outer surface of the intermediate pressing member and the inner surface of the outer pressing member, thereby plastically deforming the second part to extend along the outer surface of the intermediate pressing member.

Abstract: A method of manufacturing a stator includes the steps of: (1) forming substantially planar electric wires each of which includes in-slot portions to be received in slots of a stator core and turn portions to be located outside the slots to connect adjacent pairs of the in-slot portions; (2) rolling each of the planar electric wires by more than one turn into a spiral shape; (3) forming a stator coil by assembling the rolled electric wires through elastic deformation thereof; and (4) assembling the stator core and the stator coil to form the stator. Further, in the rolling step, each of the planar electric wires is rolled by plastically deforming the turn portions into circumferentially-extending sections each having a predetermined curvature. Furthermore, a curvature ratio of a radially outermost one of the circumferentially-extending sections is set to be greater than that of a radially innermost one of the same.

Abstract: A method of manufacturing a stator coil for an electric rotating machine includes the steps of: (1) forming substantially planar electric wires each of which includes in-slot portions to be received in slots of a stator core and turn portions to be located outside the slots to connect adjacent pairs of the in-slot portions; (2) rolling each of the planar electric wires through plastic deformation into a spiral or circular-arc shape; and (3) assembling the rolled electric wires together to form the stator coil. Further, in the rolling step, each of the planar electric wires is rolled by deforming each of the turn portions of the electric wire while restricting movement of at least one of the in-slot portions of the electric wire which is located closer to a rolling start end of the electric wire than the turn portion is.