Abstract: An inspection system for a welded portion in welding includes a display unit, an acquisition unit that acquires a reference position of a welded portion stored in the storage device, a display control unit that displays, on the display unit, a reference position image that is an image showing a reference position virtually superimposed on an image of an object to be welded in a real space captured by the imaging device and includes a welded portion, and a distance calculation unit that calculates a distance in the real space between the welded portion in the real space displayed on the display unit and the reference position of the welded portion.

Abstract: According to one embodiment, a rotor core satisfies a relationship: W2/W1?(A1+A2)/A1. Where, A1 represents an area of a region defined by a polar central axis, an outer circumferential surface of the rotor core and a first imaginary linear line extending on an outer circumferential-side long edge of an embedding hole, A2 represents an area of a region defined by the polar central axis, a q-axis, the outer circumferential surface of the rotor core, a second imaginary linear line extending on an inner circumferential-side long edge of the embedding hole, a third imaginary linear line extending on a first edge of the cavity hole, W1 represents a half-width of a first bridge portion, and W2 represents a half-width of the second bridge portion.

Abstract: According to one embodiment, a rotor includes a rotor core including magnetic poles arranged in a circumferential direction, a cavity formed on an axis q and extending toward a central axis, and a flux barrier band formed in the magnetic pole between a pair of the cavities to cross an axis d and including a first bridge part facing one cavity, a second bridge part facing the other cavity, and a magnet embedding hole formed between the first and the second bridge parts, a first permanent magnet formed of a fixed magnetic force magnet and disposed in the magnet embedding hole to be adjacent to the first bridge part, and a second permanent magnet formed of a variable magnetic force magnet and disposed in the magnet embedding hole to be adjacent to the second bridge part.

Abstract: A rotary electric device includes a stator, and a rotor including a rotor core having magnetic poles and permanent magnets at the magnetic poles. Each of two embedding holes in each magnetic pole includes a loading region in which the permanent magnet is loaded, an inner periphery-side gap, and an outer periphery-side gap. Defining D as the minimum distance from the outer periphery-side gap to an outer peripheral surface of the rotor core, Was the width of a teeth of the stator, H0 as the sum of the magnetomotive forces generated in the portion corresponding to a magnetic pole angle ? in one magnetic pole, and H1 as the magnetomotive force generated in one tooth, the rotor core is formed such that D?W×(H0/H1).

Abstract: According to one embodiment, a rotor of an electric rotating machine includes a shaft, a rotor core, and a plurality of permanent magnets. Two first permanent magnets are arranged in line symmetry with a pole center and are arranged gradually away from the pole center as the two first permanent magnets extend from first ends toward second ends thereof. Two second permanent magnets are arranged in line symmetry with the pole center and are arranged gradually away from the pole center as the two second permanent magnets extend from third ends toward fourth ends thereof. Angles ?1, ?2 are set to satisfy the relationships of ?1>?2, and 70 degrees??2?110 degrees.

Abstract: According to one embodiment, a rotor core satisfies a relationship: W2/W1 (A1+A2)/A1. Where, A1 represents an area of a region defined by a polar central axis, an outer circumferential surface of the rotor core and a first imaginary linear line extending on an outer circumferential-side long edge of an embedding hole, A2 represents an area of a region defined by the polar central axis, a q-axis, the outer circumferential surface of the rotor core, a second imaginary linear line extending on an inner circumferential-side long edge of the embedding hole, a third imaginary linear line extending on a first edge of the cavity hole, W1 represents a half-width of a first bridge portion, and W2 represents a half-width of the second bridge portion.

Abstract: According to one embodiment, a rotor includes a rotor core including magnetic poles arranged in a circumferential direction, a cavity formed on an axis q and extending toward a central axis, and a flux barrier band formed in the magnetic pole between a pair of the cavities to cross an axis d and including a first bridge part facing one cavity, a second bridge part facing the other cavity, and a magnet embedding hole formed between the first and the second bridge parts, a first permanent magnet formed of a fixed magnetic force magnet and disposed in the magnet embedding hole to be adjacent to the first bridge part, and a second permanent magnet formed of a variable magnetic force magnet and disposed in the magnet embedding hole to be adjacent to the second bridge part.

Abstract: A pressure sensitive adhesive sheet including, on a substrate or a release material, a resin layer, at least a surface (?) of the resin layer on the opposite to the side on which the substrate or release material is provided having pressure sensitive adhesiveness, wherein a concave portion and a flat face exist on the surface (?) of the resin layer, and a width of the concave portion observed from the side of the surface (?) is non-uniform, and in a region (D) of 8 mm in length×10 mm in width as freely-selected on the surface (?), a concave portion having an area of 70 to 99.99% relative to 100% of a total area of the concave portions existing in the region (D) exists.

Abstract: Provided is a pressure sensitive adhesive sheet including a resin layer on a substrate or a release material, at least a surface (?) of the resin layer on the side opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein a concave portion and plural flat faces having an irregular shape exist in a region (Dc) surrounded by an arbitrarily predetermined circle on the surface (?) of the resin layer; and with respect to one or more flat faces (S) among the plural flat faces, the one or more flat faces (S) excluding flat faces having a cumulative relative frequency of 30% or less determined by adding the relative frequency from the respective flat faces with a smaller area, an rMAX value of the flat faces (S) calculated from specified operations is 0.60 or less.

Abstract: A rotary electric device includes a stator, and a rotor including a rotor core having magnetic poles and permanent magnets at the magnetic poles. Each of two embedding holes in each magnetic pole includes a loading region in which the permanent magnet is loaded, an inner periphery-side gap, and an outer periphery-side gap. Defining D as the minimum distance from the outer periphery-side gap to an outer peripheral surface of the rotor core, Was the width of a teeth of the stator, H0 as the sum of the magnetomotive forces generated in the portion corresponding to a magnetic pole angle ? in one magnetic pole, and H1 as the magnetomotive force generated in one tooth, the rotor core is formed such that D?W×(H0/H1).

Abstract: According to one embodiment, a rotor of an electric rotating machine includes a shaft, a rotor core, and a plurality of permanent magnets. Two first permanent magnets are arranged in line symmetry with a pole center and are arranged gradually away from the pole center as the two first permanent magnets extend from first ends toward second ends thereof. Two second permanent magnets are arranged in line symmetry with the pole center and are arranged gradually away from the pole center as the two second permanent magnets extend from third ends toward fourth ends thereof. Angles ?1, ?2 are set to satisfy the relationships of ?1>?2, and 70 degrees??2?110 degrees.

Abstract: An optical circuit board sheet which has little or no warpage to have no cracking in cores, and an opto-electric hybrid board sheet including the same are provided. The optical circuit board sheet includes: an insulative sheet; an under cladding layer formed on a first surface of the insulative sheet; and at least one core formed on a surface of the under cladding layer. A hole is formed in a portion of the surface of the under cladding layer other than where the core is formed. The area percentage of an opening area of the hole is in the range of 5% to 99% with respect to the first surface of the insulative sheet.

Abstract: An optical circuit board sheet which has little or no warpage to have no cracking in cores, and an opto-electric hybrid board sheet including the same are provided. The optical circuit board sheet includes: an insulative sheet; an under cladding layer formed on a first surface of the insulative sheet; and at least one core formed on a surface of the under cladding layer. A hole is formed in a portion of the surface of the under cladding layer other than where the core is formed. The area percentage of an opening area of the hole is in the range of 5% to 99% with respect to the first surface of the insulative sheet.

Abstract: Provided is a pressure sensitive adhesive sheet including a resin layer on a substrate or a release material, at least a surface (?) of the resin layer on the side opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein a concave portion and plural flat faces having an irregular shape exist in a region (Dc) surrounded by an arbitrarily predetermined circle on the surface (?) of the resin layer; and with respect to one or more flat faces (S) among the plural flat faces, the one or more flat faces (S) excluding flat faces having a cumulative relative frequency of 30% or less determined by adding the relative frequency from the respective flat faces with a smaller area, an rMAX value of the flat faces (S) calculated from specified operations is 0.

Abstract: A pressure sensitive adhesive sheet including, on a substrate or a release material, a resin layer, at least a surface (?) of the resin layer on the opposite to the side on which the substrate or release material is provided having pressure sensitive adhesiveness, wherein a concave portion and a flat face exist on the surface (?) of the resin layer, and a width of the concave portion observed from the side of the surface (?) is non-uniform, and in a region (D) of 8 mm in length×10 mm in width as freely-selected on the surface (?), a concave portion having an area of 70 to 99.99% relative to 100% of a total area of the concave portions existing in the region (D) exists.

Abstract: According to one embodiment, a rotor is configured by a rotor core and magnetic poles. Two or more types of permanent magnets are used such that each product of coercivity and thickness in the magnetization direction becomes different. A stator is located outside the rotor with air gap therebetween and configured by an armature core winding. At least one permanent magnet is magnetized by a magnetic field by a current of the armature winding to change a magnetic flux content thereof irreversibly. A short circuited coil is provided to surround a magnetic path portion of the other permanent magnet excluding the magnet changed irreversibly and a portion adjacent to the other permanent magnet where the magnetic flux leaks. A short-circuit current is generated in the short circuited coil by the magnetic flux generated by conducting a magnetization current to the winding. A magnetic field is generated by the short-circuit current.

Abstract: According to one embodiment, a rotor is configured by a rotor core and magnetic poles. Two or more types of permanent magnets are used such that each product of coercivity and thickness in the magnetization direction becomes different. A stator is located outside the rotor with air gap therebetween and configured by an armature core winding. At least one permanent magnet is magnetized by a magnetic field by a current of the armature winding to change a magnetic flux content thereof irreversibly. A short circuited coil is provided to surround a magnetic path portion of the other permanent magnet excluding the magnet changed irreversibly and a portion adjacent to the other permanent magnet where the magnetic flux leaks. A short-circuit current is generated in the short circuited coil by the magnetic flux generated by conducting a magnetization current to the winding. A magnetic field is generated by the short-circuit current.

Abstract: According to one embodiment, a rotor is configured by a rotor core and magnetic poles. Two or more types of permanent magnets are used such that each product of coercivity and thickness in the magnetization direction becomes different. A stator is located outside the rotor with air gap therebetween and configured by an armature core winding. At least one permanent magnet is magnetized by a magnetic field by a current of the armature winding to change a magnetic flux content thereof irreversibly. A short circuited coil is provided to surround a magnetic path portion of the other permanent magnet excluding the magnet changed irreversibly and a portion adjacent to the other permanent magnet where the magnetic flux leaks. A short-circuit current is generated in the short circuited coil by the magnetic flux generated by conducting a magnetization current to the winding. A magnetic field is generated by the short-circuit current.

Abstract: A permanent magnet type rotating electrical machine includes a rotor having a rotor core. Magnet holes circumferentially arranged at regular intervals in the rotor core include pairs of first magnet holes and pairs of second magnet holes. Each pair of first magnet holes are symmetric with respect to an imaginary line extending through a rotor core center. Each pair of second magnet holes are located on a radially inner side of the rotor core and are symmetric with respect to the imaginary line. Each pair of second magnet holes are located on an inner circumferential side of the paired first magnet holes with respect to a radial direction of the rotor core. A first magnet angle made by permanent magnets located in each pair of first magnet holes is larger than a second magnet angle made by permanent magnets located in each pair of second magnet holes.

Abstract: According to one embodiment, a rotor is configured by a rotor core and magnetic poles. Two or more types of permanent magnets are used such that each product of coercivity and thickness in the magnetization direction becomes different. A stator is located outside the rotor with air gap therebetween and configured by an armature core winding. At least one permanent magnet is magnetized by a magnetic field by a current of the armature winding to change a magnetic flux content thereof irreversibly. A short circuited coil is provided to surround a magnetic path portion of the other permanent magnet excluding the magnet changed irreversibly and a portion adjacent to the other permanent magnet where the magnetic flux leaks. A short-circuit current is generated in the short circuited coil by the magnetic flux generated by conducting a magnetization current to the winding. A magnetic field is generated by the short-circuit current.