Abstract: The present invention relates to a rotating machine and a hoist. An object of the present invention is to provide a rotating machine and a hoist with improved cooling performance. A motor (10) includes: a stator (11) and a rotor (12); a rib part (12d) that rotates in accordance with rotation of the rotor (12), and a wind guide member (16) that guides wind taken in from a ventilation inlet (15aa) by rotation of the rib part 12d to a ventilation outlet (15ab).

Abstract: The invention relates to an electric drive (10), in particular an electric motor of an engine-cooling fan or of an ABS/ESP of a motor vehicle, comprising an electric connector (22) and a housing (12), in the interior (14) of which a drive assembly (16) is arranged. The electric connector (22) has at least one electric line (41) contacting the drive assembly (16), an opening (20) is formed on the housing (12) for guiding through the electric line (41), and a seal (24) is arranged in the region of the housing opening (20). The electric line (41) has a first portion (50) and a second portion (52), the first portion (50) having a conductor (44) mid a sheath (48) encasing the conductor (44), and the second portion (52) being formed as an exposed conductor (44), the electric connector (22) having a sleeve-like element (42) in which the second portion (52) is arranged at least in part.

Abstract: The present disclosure relates to a motor including: a plurality of terminals; an insert member configured to support the plurality of terminals spaced apart from one another; and a holder configured to surround the plurality of terminals and the insert member, thereby simplifying a structure and a manufacturing process and improving durability.

Abstract: The disclosure relates to a motor device including a bracket, a connection assembly, a sensor, a stator and a rotor. The bracket includes a first end, a second end, a communication aperture and a slot. The communication aperture passes through the first end and the second end. The slot is disposed at the first end. The connection assembly is disposed in the slot and includes a first connector and a second connector. The second connector is inserted into an accommodation opening of the first connector. The sensor is disposed at the first end and includes a first circuit board connected to the first connector through a first connection element. The stator is connected to the second end and includes a second circuit board connected to the second connector through the second connection element. An end portion of the rotor passes through the communication aperture and spatially corresponds to the sensor.

Abstract: An electric machine includes a stator core, interconnected hairpin windings, and a terminal. The interconnected hairpin windings are arranged between an inner diameter and an outer diameter of the core. The interconnected hairpin windings are arranged to form a plurality of electrical phases. The terminal is configured to connect a first of the plurality of electrical phases of the hairpin windings to a power source. The terminal has a first plate that is connected to a first pair of hairpins that are disposed along the outer diameter of the core. The terminal has a second plate that is connected to a second pair of hairpins that are disposed along the inner diameter of the core. The terminal has a bridge plate that extends between and connects the first plate to the second plate.

Abstract: A motor includes: an inner housing defining an accommodation space, an outer housing defining a flow path with the inner housing, an impeller disposed at a first side of the inner housing, a power portion that is disposed in the accommodation space and that includes a rotation shaft coupled to the impeller so as to be rotated together with the impeller, a bracket coupled to the inner housing at a second side of the inner housing and rotatably supporting the rotation shaft, and a printed circuit board (PCB) that is spaced apart from the bracket by a predetermined distance and that is electrically connected to the power portion. A circumference of the PCB includes a plurality of concave portions that are spaced apart from each other, and the plurality of concave portions are recessed toward a center of the PCB.

Abstract: Provided are a motor control device including: a motor case including a motor; a housing, which is provided to have a power supply connector mounted thereon and cover an upper portion of the motor case; and a control unit, which is arranged on a side opposite to an output side on an output shaft of the motor in a space formed by the motor case and the housing, and an electric power steering control device. The control unit includes a filter portion, which is arranged in an upper portion of the control unit and is connected to the power supply connector, a control board, which is arranged below the filter portion and has mounted thereon circuit components configured to supply an electric current to the motor, and a shield plate, which is arranged between the filter portion and the control board and is grounded to the motor case.

Abstract: A motor with an outer rotor, including an inner stator, an outer rotor with a cylindrical structure having an open end, a controller, and a cooling fan. The outer rotor is rotatably sleeved at one end of the inner stator in an axial direction of the inner stator; the controller is arranged at the other end of the inner stator; the cooling fan is annularly arranged in a circumferential direction of the outer rotor at one end of the outer rotor close to the controller, and is located in an avoidance space formed between the controller and the outer rotor, so as to convey air to the controller and the outer rotor.

Abstract: Provided is a disc-type ironless permanent magnet synchronous generator powered by an auxiliary power supply, which comprises a stator coil disc and a pair of permanent magnet rotor discs (1) positioned on two sides of the stator coil disc and arranged with a gap therebetween, a circle of main coils (3) are fixedly arranged on the stator coil disc around a center of the disc, the main coil is a main winding of an electric motor to output electric energy, an auxiliary winding independent from the main winding is arranged on a circumference formed by the main coils (3) in a surrounding manner, and output power of the auxiliary winding is less than output power of the main winding.

Abstract: A drive motor includes an inverter housing mounted therein, which couples an inverter housing to the top or side of a drive motor frame, wherein the inverter coupling bracket includes an inverter housing surface-contacting frame in which support gaps of first and second floor frames, surface-contacting the circumferential surface of a flange coupled to one end of the drive motor frame and the circumferential surface of a bracket coupled to the other end of the drive motor frame in the longitudinal direction, are integrally formed, and an arc-shaped drive motor frame circumferential surface-contacting portion is formed on the lower surface of the inverter housing surface-contacting frame, fixing pieces inclined inward are formed at the left and right ends of the first and second floor frames, respectively, and a fixing protruding piece is formed at each of the front and rear ends of the inverter housing surface-contacting frame.

Abstract: An electric machine including a stator and a frame, the stator is supported with support necks on the frame in at least two axially spaced support locations. The support locations include a first group of support necks and a second group of support necks. The support necks in the first group are positioned in connection with a vertical centre plane. The second group includes two side support necks positioned opposite to each other at an angular distance above or below a horizontal centre plane. The angular distance is defined by a first angle which is determined in degrees by the formula ?1=(90/P)±(?)*(90/P), where P is the number of poles of the electric machine and P>2.

Abstract: A power tool is provided including a housing including a motor case and a handle; an electric motor housed within the motor case and rotatably driving a motor spindle; a gear case mounted on the housing; and an output spindle rotatably coupled to the motor spindle. The output spindle, motor spindle, and the handle form the plane through the housing. A fan is coupled to the motor to generate an airflow through the housing. The housing includes a first air inlet on a first side of the plane and a second air inlet a second side of the plane opposite the first air inlet, both adjacent the motor. The first air inlet is larger than the second air inlet to allow a larger volume of air to enter the housing from the first side of the plane than from the second side of the plane.

Abstract: An electric actuator includes a case, an electric motor 5 built in the case, and a motion conversion mechanism 4 configured to convert a rotary motion of the electric motor 5 into a linear motion. The electric motor 5 is fixed to the case (gear case 10) at a first end in an axial direction of the electric motor 5, and the electric actuator is provided with a first elastic member 50 between an outer peripheral surface of the electric motor 5 and an inner peripheral surface of the case (motor case 60) at a second end of the electric motor opposite to the first end fixed to the case (gear case 10).

Abstract: The invention relates to a rotor (1) of an electromagnetic motor or generator having a body comprising an inner hub (2) which is concentric to a central axis (7) of rotation of the rotor (1), branches (3) extending radially with respect to the central axis (7) of rotation from the inner hub (2) towards a hoop (8) forming a circular outer periphery of the rotor (1), at least one magnet (10) being housed in each space delimited between two adjacent branches (3), each having a width which decreases with distance from the inner hub (2) and terminates by a tapered tip (3b) against the hoop (8). Each magnet is in the form of a magnet structure (10) consisting of a plurality of individual magnets (4) which are secured together by a fiber-reinforced insulating material, each individual magnet (4) being elongated in shape by extending in the axial direction of the rotor (1).

Abstract: A power generation device includes a body, an electric generator, a hub, and an arm. The body extends from a first end to a second end and a longitudinal axis extends from the first end to the second end. The electric generator is housed within the body and includes a rotor. The hub is coupled to the body at the first end and is rotatable with respect to the body about the longitudinal axis. The arm extends from the hub such that the arm is rotatable with the huh about the longitudinal axis. The arm is pivotably coupled to the hub such that arm is pivotable with respect to the hub about a pivot axis that is non-collinear with the longitudinal axis. Rotation of the hub and the arm about the longitudinal axis causes rotation of the rotor of the generator to generate electrical power.

Abstract: An electric motor assembly includes an impeller, a guide vane disposed at a one side of the impeller along an axial direction, a stator disposed at one side of the guide vane along the axial direction, a rotor configured to rotate relative to the stator to thereby rotate the impeller, and a frame disposed at an outside of the stator in a radial direction and coupled to the stator. The frame includes a body that has a cylindrical shape, that is disposed at the outside of the stator, and that defines an air flow path, and a plurality of stator fixing parts that protrude from an inner surface of the body and are coupled to the stator. The plurality of stator fixing parts are inclined with respect to the axial direction.

Abstract: A core is a core included in a rotor or a stator of an axial-gap rotating electrical machine, in which the core includes a block-shaped first member and a plate-shaped second member that are constituted by powder compacts; the first member includes a first surface that faces the second member, and a first coupling portion that is formed at the first surface; the second member includes a second surface that faces the first surface, and a second coupling portion that is formed at the second surface and that is coupled to the first coupling portion; one of the first coupling portion and the second coupling portion is constituted by a protrusion, and the other one is constituted by a recess having a shape corresponding to the protrusion.

Abstract: To provide a rotary apparatus able to facilitate assembly of the rotary apparatus, and an attaching structure of the rotary apparatus. A rotary apparatus (1) includes a motor (10) having motor terminals (13), terminal members (21) and (22), a first housing (60), the terminal members (21) and (22) being attached to the first housing (60), and a second housing (40) having an accommodating part configured to accommodate the motor (10), the first housing (60) being attached to the second housing (40). The first housing (60) is attachable to or separable from the second housing (40) in a predetermined direction. The terminal members (21) and (22) are electrically connected to the motor terminals (13). The terminal members (21) and (22) have externally-connected terminal portions (33) and (34) to be connected to an external unit. The predetermined direction is a longitudinal direction of the externally-connected terminal portions (33) and (34).

Abstract: A terminal box assembly for use with an electric motor assembly having a housing includes an annular adaptor fixedly coupled to the housing, a mounting hub extending from the housing and positioned within the adaptor, and an annular terminal box rotatably coupled to the adaptor. The terminal box includes a baseplate having a central opening defined therein and configured to receive the mounting hub therethrough. The terminal box assembly also includes a mounting bracket coupled to the mounting hub and positioned within the terminal box such that the baseplate is positioned between the mounting bracket and the adaptor. At least one fastener is inserted through an opening in the mounting bracket and is configured to selectively engage the base plate to compress the terminal box and the adaptor together.

Abstract: A capacitive transducer comprising a top electrode and a bottom electrode, and a sidewall between the top electrode and the bottom electrode. The sidewall is configured to separate the top electrode and the bottom electrode by a gap. There is a high contact resistance part on one or both of a bottom side of the top electrode or a top side of the bottom electrode.