Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Hong Seok Yang

Jungwoo Lee

Hee Ra Lee

Yeonho Kim

Jae Young Choi

Min Sung Kim

Myunggyu Kim

Jung Woo Lee

Jae Won Ha

Kyoung Bum Kim

Tae Ho Kim

Young Jin Seo

Kyungha Kim

Kyoungbum Kim

Sangjin Park

Ji Yeon Kim

SangHwa Do

GaEun Lee

MyungKyu Jeong

Won Il Lee

Sang Hwa Do

Jae Hyuk Suh

Young-Jin Seo

Sangmo Ryu

A rotor-cooling structure is for a drive motor including an inner shaft, a rotor shaft surrounding the inner shaft, a rotor connected to the rotor shaft, and a stator disposed to be spaced apart from the rotor. The rotor-cooling structure includes: a first flow passage formed in the inner shaft; a second flow passage formed in the rotor shaft to receive oil through the first flow passage; a third flow passage formed in a plate disposed at an end of a rotor core, constituting the rotor, to be connected to the second flow passage; and a fourth flow passage formed to be connected to the third flow passage and to penetrate the rotor core in the direction in which core plates constituting the rotor core are stacked.

Rotor-cooling structure of a drive motor

The present disclosure provides a motor having an asymmetric rotor core that can more effectively improve operation efficiency of a motor and improve NVH performance in correspondence to the tendency of high power and high efficiency of motors by asymmetrically forming a first slot and a second slot for inserting permanent magnets of the rotor core, arranging a first permanent magnet and a second permanent magnet at different embedment angles, and forming a separation wall inclined at a predetermined angle and having a uniform thickness between the first slot and the second slot.

Motor having asymmetric rotor core

A cooling structure for a hybrid powertrain apparatus of a vehicle may include: a first rotor shaft coaxially connected to an engine output shaft and connected to a rotor of a first motor; an engine clutch shaft coaxially connected to the first rotor shaft not to rotate and connected to an engine clutch; a transmission input shaft mounted coaxially with the engine clutch shaft not to rotate by a rotor of a second motor connected to the engine clutch; and a cooling channel formed in the transmission input shaft to be able to supply oil for simultaneously cooling the first motor, the second motor, and the engine clutch.

Cooling structure for hybrid powertrain of vehicle

A system and a method of controlling a drive motor for a vehicle is disclosed. The system of controlling a drive motor for a vehicle may include: an engine and the drive motor as power sources; a data detector detecting a state data for controlling the drive motor; and a vehicle controller setting a motor demand power and a gear stage based on the state data. In particular, the vehicle controller generates a motor demand torque based on the motor demand power and the gear stage, checks a motor temperature after driving the drive motor based on the motor demand torque, and changes the gear stage based on the motor temperature.

System and method of controlling drive motor for vehicle

An engine clutch motor coupling structure for a hybrid transmission is disclosed. The motor coupling structure couples a retainer of the engine clutch with a rotor of a motor in the hybrid transmission, and includes at least one damping unit installed in the axial direction of the rotor in a rim of the retainer between an end of the rotor and the rim of the retainer, and connected with the end of the rotor.

Engine clutch motor coupling structure for hybrid transmission

A motor connection structure may be configured for coupling a rotor of a motor and an engine clutch retainer in the hybrid transmission. An example motor connection structure includes a damping unit coupled to an outer circumferential surface of the retainer in an axial direction of the rotor on an inner side of the rotor and supporting each of (i) the outer circumferential surface of the retainer, (ii) an inner circumferential surface of the rotor, and (iii) a coupled portion of the retainer.

Motor connection structure of engine clutch for hybrid transmission

A rotor of a wound rotor driving motor is provided. The rotor includes a rotor body that is rotatably installed with a predetermined air gap within a stator and in which a rotor coil is wound in a plurality of rotor teeth. A bobbin is fixed to the rotor body by the rotor coil disposed at opposing sides of an axial direction of the rotor body and supports the rotor coil. The rotor body forms a plurality of air movement passages that are opened to the exterior in an axial direction therein, and the bobbin forms a plurality of connection passage that are coupled to the air movement passages.

Rotor structure of wound rotor driving motor

An armature for a rotating electric machine is provided. The armature includes a wedge that prevents separation of coils by supporting the coils disposed at left and right sides in a slot while closing an opening in the slot in which the coils are wound is provided. The wedge includes a body portion that is inserted into the slot, and has a 'V' shape. Both ends of the body portion are coupled to latch grooves adjacent to a core, and separation prevention portions form bent regions at both ends of the body portion and are integrally connected to the body portion. The separation prevention portions are arranged adjacent to each other in the slot, and support the body portion.

Armature for rotating electric machine

A motor coupling device for connecting a drivetrain of a hybrid vehicle to a motor and transferring a driving torque of the motor to the drivetrain, the motor coupling device comprising: a coupling plate connected to a rotation shaft of the motor and engaging with a connecting plate of the drivetrain; and a first backlash compensation unit installed at one surface of the coupling plate, interfering with the connecting plate, and compensating for backlash when a motor reverse torque is generated.

Motor coupling device

A bearing unit for a drive motor, which is installed between a motor housing and a rotating shaft, includes: a bearing having two or more support bumps formed on the outer circumferential surface of an outer ring, and installed between the front or rear of the rotating shaft and the motor housing so as to rotatably support the rotating shaft with respect to the motor housing; and a bearing cover assembled to the motor housing, having a circular stepped surface formed on one surface such that an outer ring of the bearing is fitted to the stepped surface and supported in an axial direction. In particular, a support portion is formed on the stepped surface and is in contact with the support bumps so as to fix the outer ring in a rotation direction.

Bearing unit for drive motor

The present disclosure provides an armature of a rotating electric machine. The armature of the rotating electric machine includes a wedge that is configured to close an opening of a slot around which coils are wound and support the coils disposed to a left side and a right side of the slot to prevent the coils from seceding from a core. The wedge includes a main plate that has a substantially V-shaped section. In addition, a support plate of the wedge is coupled with the main plate within the main plate and is configured to support the main plate in directions in which the main plate spreads to maintain a shape of the main plate.

Growing community of inventors

Suwon-si, South Korea

Hong Seok Yang