Abstract: A stator includes a hollow cylindrical stator core comprised of a plurality of stator core segments, a stator coil mounted on the stator core, and an outer cylinder that is fitted on the radially outer surfaces of the stator core segments so as to fasten the stator core segments together. The stator core has a recess formed in the radially outer surface of one of the stator core segments. The outer cylinder has a slit that radially penetrates the outer cylinder to connect the radially outer and inner surfaces of the outer cylinder and an engaging portion that adjoins the slit. The engaging portion of the outer cylinder is plastically deformed radially inward into the recess of the stator core so as to abut and thereby engage with side walls of the recess which face the engaging portion.

Abstract: A stator core capable of improving stator core segments in assemblability, positioning accuracy and rigidity is provided. A stator core includes a plurality of stator core segments, and a yoke part of each stator core segment has a first junction and a second junction joined to other adjacent stator core segments. A protrusion is formed at the first junction, and a recess capable of receiving the protrusion is formed at the second junction. The opening area of the recess increases from a deepest section of the recess to an opening of the recess. In the yoke part, a first caulking site where the stator core segment is caulked in an axial direction is formed on an arc passing through the central part of a radial length of the protrusion and extending in a circumferential direction.

Abstract: A vacuum casting apparatus that performs casting through decompression of a cavity includes: an ejector pin for releasing a molding from a mold; a pinhole that is a hole in which the ejector pin is slidably arranged and that has a small diameter portion and a large diameter portion that is more distant from the cavity than the small diameter portion is and is larger in diameter than the small diameter portion; and a hollow portion that is provided under an end portion, on a side where the cavity is present, of the large diameter portion.

Abstract: A molten alloy solidification analyzing method of the invention is characterized in that the amount of change in fraction solid is calculated based on the solidification rate of molten alloy and the solidification rate parameter that is a parameter for evaluating the influence of the solidification rate on solidification of the molten alloy, according to the fraction solid. By conducting such a simulation that takes into consideration the supercooling, a highly accurate solidification analysis is relatively easily performed for various molten alloys.

Abstract: A die casting apparatus includes: a fixed mold and a movable mold for forming a casting, wherein an insert core is disposed slidably in a movable main mold of the movable mold to form a protruding portion of the casting. The movable mold includes: a casting ejecting part for releasing the casting from the main mold, a core moving part for moving the core in a casting demolding direction, and a protruding-portion demolding part for releasing the protruding portion from the core. In a first demolding step, a control part controls the casting ejecting part, core moving part, and protruding-portion demolding part to release the casting from the main mold by the casting ejecting part and move the core together with the casting by the core moving part. In a second demolding step, the protruding portion is released from the core by the protruding-portion demolding part.

Abstract: The rotor for an electric rotating machine includes a rotor core fixed to a rotating shaft and formed with at least one magnet accommodating hole, a magnet accommodated in the magnet accommodating hole, a resin portion filled in the magnet accommodating hole accommodating the magnet, a first end plate fixed to the rotating shaft at one axial side of the rotor core, and a second end plate fixed to the rotating shaft at the other axial side of the rotor core. The axial fixing force of the second end plate against the rotating shaft is smaller than that of the first end plate. At least a part of the resin portion is present in an axial area between the magnet accommodated in the magnet accommodating hole and the first end plate, and the magnet is in direct contact with the second end plate.

Abstract: A split core of the invention is formed from a plurality of magnetic steel sheets that are stacked in a thickness direction and joined together by crimping, and that when provided in plurality, forms a stator core by being arranged in a circle. This split core includes a yoke that extends in a circumferential direction; a tooth that extends radially inward from an inner peripheral side end portion of the yoke; and an abutting portion that is formed on a joining surface of the yoke that joins with a yoke of another adjacent split core. A radial crimping portion that is longer in a radial direction and is positioned to an outer peripheral side of a maximum outer radius of the abutting portion, and that is crimped to a crimping portion of another magnetic steel sheet, is provided on each of the magnetic steel sheets.

Abstract: A vacuum casting apparatus that performs casting through decompression of a cavity includes: an ejector pin for releasing a molding from a mold; a pinhole that is a hole in which the ejector pin is slidably arranged and that has a small diameter portion and a large diameter portion that is more distant from the cavity than the small diameter portion is and is larger in diameter than the small diameter portion; and a hollow portion that is provided under an end portion, on a side where the cavity is present, of the large diameter portion.

Abstract: The electric rotating machine includes a cooling means for supplying liquid coolant to the stator winding. The stator winding includes a plurality of conductor segments each having a pair of in-slot portions, a turn portion connecting the in-slot portions and skew portions respectively extending from the in-slot portions. Joint portions where distal end portions of respective corresponding two of the skew portions are joined to each other are formed on one axial end side of the stator core. The joint portions are disposed at a substantially constant pitch and in multiple circular rings. The joint portions are also disposed in a plurality of rows in the axial direction, each row of the joint portions being covered and bridged together by an insulating resin member. A gap is provided between each circumferentially adjacent two of the rows of the joint portions.

Abstract: The electric rotating machine includes a stator winding constituted of conductor segments each having a pair of in-slot portions and a coil end section projecting from both axial ends of a stator core. The coil end section includes a joint-side end portion having a skew portion intersecting with another one of the conductor segments at an axial end of the stator core. The skew portion is formed with a joint end portion at an extremity thereof, the joint end portion being formed with a conductor exposed portion where an inner conductor is exposed and joined to a conductor exposed portion of another conductor segment. A joint area between the joint end portions and a vicinity thereof are covered by an insulating resin member. The insulating resin member is thicker at a portion covering the conductor exposed portions than at a portion covering other than the conductor exposed portions.

Abstract: A stator core capable of improving stator core segments in assemblability, positioning accuracy and rigidity is provided. A stator core includes a plurality of stator core segments, and a yoke part of each stator core segment has a first junction and a second junction joined to other adjacent stator core segments. A protrusion is formed at the first junction, and a recess capable of receiving the protrusion is formed at the second junction. The opening area of the recess increases from a deepest section of the recess to an opening of the recess. In the yoke part, a first caulking site where the stator core segment is caulked in an axial direction is formed on an arc passing through the central part of a radial length of the protrusion and extending in a circumferential direction.

Abstract: A stator includes a hollow cylindrical stator core having stator teeth and slots. The stator teeth each extend radially inward and are circumferentially spaced from one another. Each of the slots is formed between one circumferentially-facing pair of the stator teeth and opens at the radially inner periphery of the stator core. Each of the stator teeth has a distal end portion that includes a slit, a base part and an oblique part. The slit is formed in a distal end surface of the stator tooth and extends axially. The base part and the oblique part are formed respectively on opposite circumferential sides of the slit. The base part extends radially inward to have a distal end surface that makes up an inner-diameter surface of the stator core. The oblique part is bent toward an adjacent slot so as to extend obliquely with respect to the base part.

Abstract: A stator includes a hollow cylindrical stator core comprised of a plurality of stator core segments, a stator coil mounted on the stator core, and an outer cylinder that is fitted on die radially outer surfaces of the stator core segments so as to fasten the stator core segments together. The stator core has a recess formed in the radially outer surface of one of the stator core segments. The outer cylinder has a slit that radially penetrates the outer cylinder to connect the radially outer and inner surfaces of the outer cylinder and an engaging portion that adjoins the slit. The engaging portion of the outer cylinder is plastically deformed radially inward into the recess of the stator core so as to abut and thereby engage with side walls of the recess which face the engaging portion.

Abstract: In a rotating electric machine, a path length between a rotor and an inter-hetero-phase tooth where a magnetic flux from a magnetic pole proceeds from the rotor and starts to enter the inter-hetero-phase tooth is longer than a path length between the rotor and an inter-V-phase tooth where the magnetic flux proceeds from the rotor and starts to enter the inter-V-phase tooth.

Abstract: A stator for an electric rotating machine includes a hollow cylindrical stator core, a stator coil, an outer cylinder, and at least one restraint. The stator core is comprised of a plurality of stator core segments that are arranged in the circumferential direction of the stator core to adjoin one another in the circumferential direction. The stator coil is mounted on the stator core. The outer cylinder is fitted on the radially outer surfaces of the stator core segments so as to fasten the stator core segments together. The restraint is arranged on an axial side of the stator core and retained by the outer cylinder so as to restrain axial deformation of the stator core segments due to the fastening force of the outer cylinder.

Abstract: A molten alloy solidification analyzing method of the invention is characterized in that the amount of change in fraction solid is calculated based on the solidification rate of molten alloy and the solidification rate parameter that is a parameter for evaluating the influence of the solidification rate on solidification of the molten alloy, according to the fraction solid. By conducting such a simulation that takes into consideration the supercooling, a highly accurate solidification analysis is relatively easily performed for various molten alloys.

Abstract: A deposition apparatus includes: a plurality of deposition sources, each of which includes a material container and a carrier gas introducing pipe, vaporizes a film-forming material stored in the material container, and transfers vaporized molecules of the film-forming material by using a first carrier gas introduced from the carrier gas introducing pipe; a connecting pipe, which is connected to the plurality of deposition sources and transfers the vaporized molecules of the film-forming material transferred from each deposition source; a bypass pipe, which is connected to the connecting pipe and directly introduces a second carrier gas to the connecting pipe; and a processing container, which includes a built-in discharge mechanism connected to the connecting pipe and forms a film on a target object therein by discharging, from the discharge mechanism, the vaporized molecules of the film-forming material transferred by using the first and second carrier gases.

Abstract: In a rotating electric machine, a path length between a rotor and an inter-hetero-phase tooth where a magnetic flux from a magnetic pole proceeds from the rotor and starts to enter the inter-hetero-phase tooth is longer than a path length between the rotor and an inter-V-phase tooth where the magnetic flux proceeds from the rotor and starts to enter the inter-V-phase tooth.

Abstract: Provided is a control device of an evaporating apparatus performing a film forming process on a substrate with a film forming material evaporated from a vapor deposition source, and a storage of the control device stores a plurality of tables each showing a relationship between a deposition rate and a flow rate of a carrier gas. A table selection unit selects a desired table from the plurality of tables stored in the storage based on a processing condition. A deposition controller calculates a deposition rate based on a signal outputted from a QCM. A carrier gas controller controls the flow rate of the carrier gas to obtain a desired deposition rate based on a difference between a target deposition rate and the deposition rate obtained by the deposition controller, with reference to data indicating the relationship between the deposition rate and the flow rate of the carrier gas.

Abstract: In order to increase temperature controllability of a material container, an evaporation unit for forming a film includes a material supply mechanism having a material container, an outer case having a hollow interior in which the material supply mechanism is detachably secured, an internal heater provided in the material supply mechanism and heating the material supply mechanism, and a transfer path which is formed by securing the material supply mechanism to the outer case and which transfers the film forming material vaporized by heating the inner heater.