H02K21/16

VEHICLE POWER DEVICE AND VEHICLE BEARING WITH POWER GENERATOR
20230098893 · 2023-03-30 · ·

Provided is a vehicle power device (1) including: a wheel bearing (2); and a driving motor (3) that can rotationally drive an outer ring (4) as a rotary ring. The vehicle power device further includes a bracket (24) attached to a knuckle (8) of a vehicle. The bracket (24) includes a bracket base portion (24a) and a bracket cylindrical portion (24b), the bracket base portion interposed between the knuckle (8) and an inner ring (5) wherein the inner ring (5) is removably fixed, the bracket cylindrical portion (24b) extending from the bracket base portion (24a) toward an outboard side. The driving motor (3) includes a stator (18) removably attached to an inner periphery of the bracket cylindrical portion (24b) and a rotor (19) attached to the outer ring (4) on an inner periphery of the stator (18).

VEHICLE POWER DEVICE AND VEHICLE BEARING WITH POWER GENERATOR
20230098893 · 2023-03-30 · ·

Provided is a vehicle power device (1) including: a wheel bearing (2); and a driving motor (3) that can rotationally drive an outer ring (4) as a rotary ring. The vehicle power device further includes a bracket (24) attached to a knuckle (8) of a vehicle. The bracket (24) includes a bracket base portion (24a) and a bracket cylindrical portion (24b), the bracket base portion interposed between the knuckle (8) and an inner ring (5) wherein the inner ring (5) is removably fixed, the bracket cylindrical portion (24b) extending from the bracket base portion (24a) toward an outboard side. The driving motor (3) includes a stator (18) removably attached to an inner periphery of the bracket cylindrical portion (24b) and a rotor (19) attached to the outer ring (4) on an inner periphery of the stator (18).

Motor and spoke-type rotor structure thereof

A motor and a spoke-type rotor structure thereof are disclosed. The rotor structure comprises a rotor core which has a plurality of spoke-type first magnetic members. Two oblique second magnetic members arranged in a V shape are provided between every adjacent two of the first magnetic members. A radius of the rotor core is R. A length of the first magnetic member is ls. A length of the second magnetic member is lv. A length component of the second magnetic member on the radius of the rotor core is x. An included angle between the first magnetic member and the second magnetic member is β. An included angle between every adjacent two of the first magnetic members is α. The parameters satisfy:
ls+x<R, wherein x=lv.Math.cos(180°−β);
90°+α/2<β<180°.

ROTARY ELECTRIC MACHINE

A rotary electric machine includes: a shaft that rotates about an axial direction; a rotor that is disposed around the shaft and that includes a rotor core and a plurality of magnets provided in the rotor core; a stator that is disposed around the rotor and that includes a stator core and a stator coil provided in the stator core; a magnetic flux short circuit plate that is disposed so as to face the rotor core in the axial direction and that moves in the axial direction; a biasing member that biases the magnetic flux short circuit plate to a side away from the rotor core; a holding member that holds the biasing member; and a fixing member that fixes the holding member to the shaft. Further, a strength of a material of the fixing member is higher than a strength of a material of the holding member.

MOTOR
20230034346 · 2023-02-02 ·

The present invention may provide a motor including a housing, a stator disposed in the housing, a shaft disposed in the stator, a guide part in contact with an outer circumferential surface of the shaft, and a magnet coupled to the guide part, wherein the guide part includes a first guide disposed on a side surface of the shaft and a second guide extending from the first guide in an axial direction.

MOTOR
20230099792 · 2023-03-30 ·

A motor includes a rotor that includes a shaft along a central axis extending in a vertical direction, a stator that includes coils and opposes the rotor in a radial direction, a casing that supports the rotor and the stator, and a terminal attached to the casing and electrically connected to lead wires extending from the coils. The terminal includes a lead wire terminal portion that is in contact with the lead wire, an external terminal portion that is electrically connected to the lead wire terminal portion and extends toward an outside of the casing, and a holding portion that holds the lead wire terminal portion and the external terminal portion.

MOTOR
20230099792 · 2023-03-30 ·

A motor includes a rotor that includes a shaft along a central axis extending in a vertical direction, a stator that includes coils and opposes the rotor in a radial direction, a casing that supports the rotor and the stator, and a terminal attached to the casing and electrically connected to lead wires extending from the coils. The terminal includes a lead wire terminal portion that is in contact with the lead wire, an external terminal portion that is electrically connected to the lead wire terminal portion and extends toward an outside of the casing, and a holding portion that holds the lead wire terminal portion and the external terminal portion.

MOTOR, FAN, AND AIR CONDITIONER

A motor has a rotor, a stator surrounding the rotor, a reinforcing member, and a mold resin part covering the stator and the reinforcing member. The tensile strength of the reinforcing member is higher than the tensile strength of the mold resin part.

MANUFACTURING DEVICE FOR ROTOR, MANUFACTURING METHOD FOR ROTOR, AND ROTOR

A rotor includes a permanent magnet, which is inserted in a magnet receiving hole of a rotor core and is shaped in a form of a mountain fold that is convex toward a radially inner side. A manufacturing device for the rotor includes a magnetizing device that magnetizes the inserted permanent magnet from an outside of the rotor. The magnetizing device includes: a first magnetizing unit that is placed on one side of the rotor in an axial direction and includes a magnetizing coil which supplies a magnetizing magnetic flux to the permanent magnet; and a second magnetizing unit that is placed on another side of the rotor in the axial direction and includes a magnetizing coil which supplies a magnetizing magnetic flux to the permanent magnet.

MANUFACTURING DEVICE FOR ROTOR, MANUFACTURING METHOD FOR ROTOR, AND ROTOR

A rotor includes a permanent magnet, which is inserted in a magnet receiving hole of a rotor core and is shaped in a form of a mountain fold that is convex toward a radially inner side. A manufacturing device for the rotor includes a magnetizing device that magnetizes the inserted permanent magnet from an outside of the rotor. The magnetizing device includes: a first magnetizing unit that is placed on one side of the rotor in an axial direction and includes a magnetizing coil which supplies a magnetizing magnetic flux to the permanent magnet; and a second magnetizing unit that is placed on another side of the rotor in the axial direction and includes a magnetizing coil which supplies a magnetizing magnetic flux to the permanent magnet.