Abstract: A rotor of a rotary electric machine includes a rotor shaft, a rotor core fixedly supported on an outer circumference of the rotor shaft. The rotor shaft is provided, in a cross section perpendicular to the rotation axis, with a first outer edge portion projecting in a radial direction of the rotor shaft, and a second outer edge portion arranged in line with the first outer edge portion one after the other in a circumferential direction of the rotor shaft. The rotor core has a core insertion hole into which the rotor shaft is inserted, and a shaft holding portion on an inner circumference forming the core insertion hole, the shaft holding portion being configured to hold the first outer edge portion from the opposite sides in the circumferential direction of the rotor shaft. The shaft holding portion is in a non-contact state with the second outer edge portion.

Abstract: A rotor of a rotary electric machine includes a rotor shaft, a rotor core fixedly supported on an outer circumference of the rotor shaft. The rotor shaft is provided, in a cross section perpendicular to the rotation axis, with a first outer edge portion projecting in a radial direction of the rotor shaft, and a second outer edge portion arranged in line with the first outer edge portion one after the other in a circumferential direction of the rotor shaft. The rotor core has a core insertion hole into which the rotor shaft is inserted, and a shaft holding portion on an inner circumference forming the core insertion hole, the shaft holding portion being configured to hold the first outer edge portion from the opposite sides in the circumferential direction of the rotor shaft. The shaft holding portion is in a non-contact state with the second outer edge portion.

Abstract: A terminal block of a rotating electric machine includes a terminal block main body, a high-current electrical wire connecting section to which a high-current electrical wire of the rotating electric machine is connected, multiple neutral wire connecting sections to which neutral wires of the rotating electric machine are connected, and a bus bar that connects the neutral wire connecting sections to each other.

Abstract: A terminal block of a rotating electric machine includes a terminal block main body, a high-current electrical wire connecting section to which a high-current electrical wire of the rotating electric machine is connected, multiple neutral wire connecting sections to which neutral wires of the rotating electric machine are connected, and a bus bar that connects the neutral wire connecting sections to each other

Abstract: Provided is a semiconductor manufacturing device including an expanding unit that expands a holding member having an adhesive layer on which a substrate in a state of being diced into plural semiconductor chips is held, a detection unit that detects an adhesive state between one of the semiconductor chips and the holding member, in a state in which the holding member is expanded, and a pickup unit that picks up the semiconductor chip by changing an operation relevant to pickup of the semiconductor chip based on the detected adhesive state.

Abstract: A terminal block for electrically connecting a plurality of first wires connected to an electric motor and a plurality of second wires connected to a power conversion device for supplying drive power of the electric motor includes a case, a plurality of terminals housed in the case and configured to connect the plurality of first wires and the plurality of second wires to each other, a partition wall provided between the plurality of terminals to electrically isolate the plurality of terminals from each other, and plate-like members provided between the partition wall and the terminals and made of a material with a higher elasticity than the case and the partition wall.

Abstract: A cooling structure for an electric motor includes: a motor case that houses a stator and a rotor therein, a groove opened on an end surface in an axis direction of the rotor being formed in the motor case; a motor control circuit attached to the motor case; and a terminal base that closes the groove to constitute the groove as a cooling water passage through which cooling water can flow, the terminal base connecting a power line of the motor to a power line of the motor control circuit.

Abstract: Provided is a semiconductor manufacturing device including an expanding unit that expands a holding member having an adhesive layer on which a substrate in a state of being diced into plural semiconductor chips is held, a detection unit that detects an adhesive state between one of the semiconductor chips and the holding member, in a state in which the holding member is expanded, and a pickup unit that picks up the semiconductor chip by changing an operation relevant to pickup of the semiconductor chip based on the detected adhesive state.

Abstract: A method for manufacturing a semiconductor chip includes forming a front-side groove in a front surface of a substrate; forming a back-side groove wider than the front-side groove by a rotating cutting member from the back surface of the substrate toward the front-side groove; attaching a holding member having an adhesive layer to the back surface of the substrate after forming the back-side groove; dry-washing the back surface before attaching the holding member to the back surface; extending the distance between adjacent semiconductor chips by expanding the holding member attached to the back surface; and separating the semiconductor chips at the extended distance therebetween from the holding member.

Abstract: A method for manufacturing a semiconductor chip includes forming a front-side groove in a front surface of a substrate; forming a back-side groove wider than the front-side groove by a rotating cutting member from the back surface of the substrate toward the front-side groove; attaching a holding member having an adhesive layer to the back surface of the substrate after forming the back-side groove; dry-washing the back surface before attaching the holding member to the back surface; extending the distance between adjacent semiconductor chips by expanding the holding member attached to the back surface; and separating the semiconductor chips at the extended distance therebetween from the holding member.

Abstract: A cooling structure for an electric motor includes: a motor case that houses a stator and a rotor therein, a groove opened on an end surface in an axis direction of the rotor being formed in the motor case; a motor control circuit attached to the motor case; and a terminal base that closes the groove to constitute the groove as a cooling water passage through which cooling water can flow, the terminal base connecting a power line of the motor to a power line of the motor control circuit.

Abstract: Disclosed are a single rotor-type axial gap motor with low magnetic loss and high output, and a pump device using the axial gap motor. A first contact surface (231) is provided on the lateral surface in one circumferential direction of a yoke strip (23), and a second contact surface (232) is provided on the lateral surface in the other circumferential direction of the yoke strip (23), wherein the first contact surface (231) and the second contact surface (232) are aligned with each other. Defining As1 and As2 as the surface areas (As) of the first and second contact surfaces (231, 232), and Ap1 and Ap2 as the projected surface areas (Ap) of the lateral surfaces of the aforementioned yoke strip seen from the circumferential direction, it holds that As>Ap.

Abstract: A terminal block for electrically connecting a plurality of first wires connected to an electric motor and a plurality of second wires connected to a power conversion device for supplying drive power of the electric motor includes a case, a plurality of terminals housed in the case and configured to connect the plurality of first wires and the plurality of second wires to each other, a partition wall provided between the plurality of terminals to electrically isolate the plurality of terminals from each other, and plate-like members provided between the partition wall and the terminals and made of a material with a higher elasticity than the case and the partition wall.

Abstract: Disclosed are a single rotor-type axial gap motor with low magnetic loss and high output, and a pump device using the axial gap motor. A first contact surface (231) is provided on the lateral surface in one circumferential direction of a yoke strip (23), and a second contact surface (232) is provided on the lateral surface in the other circumferential direction of the yoke strip (23), wherein the first contact surface (231) and the second contact surface (232) are aligned with each other. Defining As1 and As2 as the surface areas (As) of the first and second contact surfaces (231, 232), and Ap1 and Ap2 as the projected surface areas (Ap) of the lateral surfaces of the aforementioned yoke strip seen from the circumferential direction, it holds that As>Ap.

Abstract: In a method for manufacturing an axial air-gap electronic motor, a plurality of core member and a plurality of dummy members are prepared, wherein each of the dummy members has a shape same as that of the core members. Then, the plurality of core members is arranged such that teeth surfaces of the core members face each other, and the dummy member is arranged between predetermined core members. Thereafter, a coil is wound from one end side toward the other end side of the core members through the dummy member continuously without cutting. A part of the coil corresponding to a transition wire set between the core members is wound on the dummy member.

Abstract: There is provided an electrical motor in which the dimensional accuracy of a stator is increased more easily, and the influence exerted on a magnetic circuit is kept as little as possible. In an electrical motor in which the stator 3 formed with n number (n is a positive integer) of teeth 33 in a row in a straight line form is bent into an annular shape and the end parts thereof are connected to each other, the sum of opening angles ? of a cutout 35 formed between segments of the stator 3 is made larger than 360 degrees, and a minute clearance is formed between the opposed surfaces of the cutout 35 when the stator is bent into an annular shape.

Abstract: In an axial air-gap electronic motor in which a stator is formed by a plurality of core members, the manpower for assembling the core member is reduced, and the motor is assembled in a shorter period of time. A hook portion 320, which is a first connecting means, is projectingly provided at one end in the circumferential direction of a flange portion 310 of each of the core members 21a to 21i, and a columnar locking shaft 330 to which the hook portion 320 is locked is provided at the other end in the circumferential direction of the flange portion 310, by which the core members 21a to 21i are connected to each other.

Abstract: There is provided an electrical motor in which the dimensional accuracy of a stator is increased more easily, and the influence exerted on a magnetic circuit is kept as little as possible. In an electrical motor in which the stator 3 formed with n number (n is a positive integer) of teeth 33 in a row in a straight line form is bent into an annular shape and the end parts thereof are connected to each other, the sum of opening angles ? of a cutout 35 formed between segments of the stator 3 is made larger than 360 degrees, and a minute clearance is formed between the opposed surfaces of the cutout 35 when the stator is bent into an annular shape.

Abstract: A gap surface (225) on which a circuit board (5) for driving control is mounted is provided between a first inner surface (222) and a second inner surface (223), a tip end of a terminal pin (6) is projected in a part of the gap surface (225), and further a first concave portion (228) formed by recessing surroundings of the terminal pin (6) in an axis line direction of the terminal pin is provided in the gap surface (225). Thus, an electric motor can be assembled in a short period of time.

Abstract: In an axial air-gap electronic motor having a stator that is formed by annularly connecting a plurality of core members around an axis of a rotor output axis, an insulator that insulates a winding portion of a stator core of each core member is formed in the winding portion in the shape of a bobbin having a pair of flanges, a winding draw-out portion is formed between abutted end portions of the flange, and a crossover wire of a winding is pulled out from the winding draw-out portion to outside the core member, whereby it is possible to positively perform routing treatment from the winding portion of the winding to the crossover wire and it is ensured that the crossover wire can be positively fixed without bringing a crossover wire of a different phase into contact.