Abstract: A stator for a rotating electrical machine includes a stator coil and a stator iron core having slots into which the stator coil is mounted, wherein a coil end of the stator coil is elliptical in shape around a center axis of the stator iron core.

Abstract: The present embodiment relates to an internal combustion engine having an anodic oxide coating formed on at least a portion of an aluminum-based wall surface facing a combustion chamber. The anodic oxide coating has a plurality of nanopores extending substantially in the thickness direction of the anodic oxide coating, a first micropore extending from the surface toward the inside of the anodic oxide coating, and a second micropore present in the inside of the anodic oxide coating; the surface opening diameter of the nanopores is 0 nm or larger and smaller than 30 nm; the inside diameter of the nanopores is larger than the surface opening diameter; the film thickness of the anodic oxide coating is 15 ?m or larger and 130 ?m or smaller; and the porosity of the anodic oxide coating is 23% or more.

Abstract: A reduction in size and an improvement in cooling performance of a dynamo-electric machine are achieved. A stator of a dynamo-electric machine according to the present invention includes a plurality of segment coils surrounding a rotation axis, a stator core partially accommodating each of the segment coils, and an insulating coating covering at least certain portions of the segment coils protruding from the accommodating space of the stator core, in which the segment coils are arranged in a direction from the rotation axis to a radially outer side, and the volume of the insulating coating is larger on a radially outer side than on a side close to the rotation axis.

Abstract: The heat dissipation of a coil of a stator is enhanced. A stator of a dynamo-electric machine or a dynamo-electric machine according to the present invention includes: a stator core in which a plurality of slots arranged in the circumferential direction are formed; and a stator coil with an insulating film inserted in the slots in the stator core. The stator coil is composed of a first-layer segment to a fourth-layer segment each of which is formed by arranging a plurality of segment coils in the circumferential direction and which are arranged from the inner radius side to the outer radius side in the radial direction. The first-layer segment and the second-layer segment are displaced from each other by a first amount of displacement in the circumferential direction and connected to each other.

Abstract: Provided are a coil having excellent insulation properties, a rotating electrical machine equipped with the same, and a method for manufacturing the same. The coil (60) has a covered portion where a conductive body (602) is covered with an insulating film (612) and a stripped portion where the insulating film is stripped off, and the stripped portion is electrophoretically coated with a resin material (601). The coil (60) may have a configuration wherein segment conductors (28) each having a covered portion and stripped portion are included, connection parts are formed by the stripped portions of two different segment conductors (28) being connected at coil ends (62), and the thickness of the resin material (601) is no more than the thickness of the insulating film (612) at the boundary portion (630) between the covered portion and the stripped portion.

Abstract: A forming method of a thermal insulation film includes a first step of forming an anode oxidation coating film on an aluminum-based wall surface, the anode oxidation coating film including micro-pores each having a diameter of micrometer-scale and nano-pores each having a diameter of nanometer-scale; and a second step of coating a surface of the anode oxidation coating film with a sealant containing filler to seal at least part of the micro-pores and the nano-pores by the sealant so as to form the thermal insulation film.

Abstract: Provided are a coil having excellent insulation properties, a rotating electrical machine equipped with the same, and a method for manufacturing the same. The coil (60) has a covered portion where a conductive body (602) is covered with an insulating film (612) and a stripped portion where the insulating film is stripped off, and the stripped portion is electrophoretically coated with a resin material (601). The coil (60) may have a configuration wherein segment conductors (28) each having a covered portion and stripped portion are included, connection parts are formed by the stripped portions of two different segment conductors (28) being connected at coil ends (62), and the thickness of the resin material (601) is no more than the thickness of the insulating film (612) at the boundary portion (630) between the covered portion and the stripped portion.

Abstract: A rotating electric machine includes: a stator core having a plurality of slots aligned along a circumferential direction; a stator having a stator coil with an enamel coating inserted into the slots of the stator core; and a rotor rotatably arranged over the stator core through a given gap. The stator coil includes: main coils of a plurality of phases in which a plurality of segment coils each having a rectangular cross-section wire formed into a substantially U-shaped wire in advance is connected to each other; a first sub-coil having a lead wire led from the slots and attached with an AC terminal, and connected to one end of the respective main coils; and a second sub-coil having a neutral wire led from the slots, and connected to the other end of the respective main coils. The lead wire and the neutral wire are each formed of a wire with a bend structure having a plurality of straights and bends.

Abstract: A rotating electric machine includes: a stator core having a plurality of slots aligned along a circumferential direction; a stator having a stator coil with an enamel coating inserted into the slots of the stator core; and a rotor rotatably arranged over the stator core through a given gap. The stator coil includes: main coils of a plurality of phases in which a plurality of segment coils each having a rectangular cross-section wire formed into a substantially U-shaped wire in advance is connected to each other; a first sub-coil having a lead wire led from the slots and attached with an AC terminal, and connected to one end of the respective main coils; and a second sub-coil having a neutral wire led from the slots, and connected to the other end of the respective main coils. The lead wire and the neutral wire are each formed of a wire with a bend structure having a plurality of straights and bends.

Abstract: To improve insulation reliability of a dynamo-electric machine. A stator or a dynamo-electric machine using the stator according to the present invention includes a stator iron core in which a plurality of slots aligned in the circumferential direction are formed, a plurality of segment coils inserted into the slots and formed nearly into a U-shape, and an insulator arranged between the segment coils, and the insulator has a part of the insulator formed thicker than the other part of the insulator.

Abstract: A reduction in size and an improvement in cooling performance of a dynamo-electric machine are achieved. A stator of a dynamo-electric machine according to the present invention includes a plurality of segment coils surrounding a rotation axis, a stator core partially accommodating each of the segment coils, and an insulating coating covering at least certain portions of the segment coils protruding from the accommodating space of the stator core, in which the segment coils are arranged in a direction from the rotation axis to a radially outer side, and the volume of the insulating coating is larger on a radially outer side than on a side close to the rotation axis.

Abstract: The heat dissipation of a coil of a stator is enhanced. A stator of a dynamo-electric machine or a dynamo-electric machine according to the present invention includes: a stator core in which a plurality of slots arranged in the circumferential direction are formed; and a stator coil with an insulating film inserted in the slots in the stator core. The stator coil is composed of a first-layer segment to a fourth-layer segment each of which is formed by arranging a plurality of segment coils in the circumferential direction and which are arranged from the inner radius side to the outer radius side in the radial direction. The first-layer segment and the second-layer segment are displaced from each other by a first amount of displacement in the circumferential direction and connected to each other.

Abstract: There are provided a resin additive with which the generation of an isocyanate gas during the production of a master batch or a resin composition can be effectively suppressed when a carbodiimide compound is used as an additive for improving the hydrolysis resistance of a resin, a master batch using the above resin additive, and a method for producing the same, and a resin composition using the above resin additive, and a method for producing the same. A resin additive comprising a carbodiimide compound (A) and a surfactant (B), and a master batch and a resin composition comprising the above resin additive and a resin (D), and methods for producing these.

Abstract: To improve the accuracy of detecting a current flowing through an electric compressor after operation of the electric compressor, the electric compressor having a large change in temperature before and after operation. An inverter-integrated electric compressor (1) that compresses and discharges a refrigerant suctioned therein, includes an inverter device (2) provided with a circuit board (60) mounted with an inverter circuit (40), the inverter device (2) being integrally incorporated in an inverter case. The circuit board (60) is provided with a current detection circuit (30) that detects an input current flowing through the inverter circuit (40), and an offset correction circuit (20). The current detection circuit (30) includes a shunt resistor (32) that is serially connected to the inverter circuit (40) and detects a current, and a first amplifier (31) that amplifies and outputs a voltage appearing as a voltage drop in the shunt resistor (32).

Abstract: A processing apparatus performs: in response to reception of first information by one of the network interface and the user interface, identifying, as a first function, a function corresponding to the first information out of a plurality of functions relating to image data; setting a first authority corresponding to the first information, the first authority being authority to use the first function; after setting the first authority, when one of the network interface and the user interface receives second information different from the first information and when functions identified by the second information out of the plurality of functions include at least part of the first function and a function other than the first function, identifying the function other than the first function as a second function; and setting a second authority corresponding to the second information, the second authority being authority to use the second function.

Abstract: In an internal combustion engine in which an anodic oxide film (10) is formed on part or all of a wall surface facing a combustion chamber, the anodic oxide film (10) has a thickness of 30 ?m to 170 ?m, the anodic oxide film (10) has first micropores (1a) having a micro-size diameter, nanopores having a nano-size diameter and second micropores (1b) having a micro-size diameter, the first micropores (1a) and the nanopores extending from a surface of the anodic oxide film (10) toward an inside of the anodic oxide film (10) in a thickness direction of the anodic oxide film (10) or substantially the thickness direction, the second micropores (1b) being provided inside the anodic oxide film (10), at least part of the first micropores (1a) and the nanopores are sealed with a seal (2) converted from a sealant (2), and at least part of the second micropores (1b) are not sealed.

Abstract: A forming method of a thermal insulation film, including: a first step of forming an anode oxidation coating film on an aluminum-based wall surface, the anode oxidation coating film including micro-pores each having a diameter of micrometer-scale and nano-pores each having a diameter of nanometer-scale; a second step of abrading a surface of the anode oxidation coating film with abrasive powders and bringing the abrasive powders into the micro-pores located at the formed abraded surface; and a third step of forming a protection film on the abraded surface to produce a thermal insulation film including the anode oxidation coating film and the protection film.

Abstract: A rotating electric machine includes: a stator core having a plurality of slots aligned along a circumferential direction; a stator having a stator coil with an enamel coating inserted into the slots of the stator core; and a rotor rotatably arranged over the stator core through a given gap. The stator coil includes: main coils of a plurality of phases in which a plurality of segment coils each having a rectangular cross-section wire formed into a substantially U-shaped wire in advance is connected to each other; a first sub-coil having a lead wire led from the slots and attached with an AC terminal, and connected to one end of the respective main coils; and a second sub-coil having a neutral wire led from the slots, and connected to the other end of the respective main coils. The lead wire and the neutral wire are each formed of a wire with a bend structure having a plurality of straights and bends.

Abstract: A processor of a printing apparatus performs: storing, in a memory, a print job received through a communicator; controlling a printer to print a hold job that is a print job stored in the memory, in response to receiving a print instruction for the hold job; setting a storage time, the storage time being one of a time period during which the hold job is stored and a time point until which the hold job is stored; when the hold job remains stored in the memory past the storage time, deleting the hold job from the memory; and in response to receiving a particular operation, performing at least one of: extending the storage time of the hold job by a particular period; and deferring deletion of the hold job until a completion condition is satisfied, the completion condition indicating that an operation to the input device is completed.

Abstract: A rotating electric machine includes: a stator core having a plurality of slots aligned along a circumferential direction; a stator having a stator coil with an enamel coating inserted into the slots of the stator core; and a rotor rotatably arranged over the stator core through a given gap. The stator coil includes: main coils of a plurality of phases in which a plurality of segment coils each having a rectangular cross-section wire formed into a substantially U-shaped wire in advance is connected to each other; a first sub-coil having a lead wire led from the slots and attached with an AC terminal, and connected to one end of the respective main coils; and a second sub-coil having a neutral wire led from the slots, and connected to the other end of the respective main coils. The lead wire and the neutral wire are each formed of a wire with a bend structure having a plurality of straights and bends.