Hyundai Motor Company

Kia Corporation

Industry-University Cooperation Foundation Hanyang University

Myung Seop Lim

Jae Hyun Kim

Jin Ho Choi

Sung Woo Hwang

Sang Jin Park

Jong Seok Lee

Soo Hwan Park

Dong Min Kim

Kyoung Soo Cha

Jin Cheol Park

Ki O Kim

A stator winding structure includes a stator core formed from a stack of a plurality of steel sheets, the stator core comprising a plurality of slots that are circularly arranged in multiple rows around an axis of rotation; a plurality of conductor bars positioned in the plurality of slots; a plurality of first barrier ribs electrically shielding between the plurality of conductor bars contiguous to each other in a radial direction; and a plurality of second barrier ribs electrically shielding between the plurality of conductor bars contiguous to each other in a circumferential direction; and a pair of end-turn members disposed at axial ends of the stator core and coupled to the conductor bars; wherein the plurality of conductor bars are arranged within the stator core by a casting process including die casting.

Stator comprising multiple-row armature winding with high fill factor

A hybrid motor includes a rotor, a radial stator facing the circumference of the rotor, and first and second axial stators facing both sides of the rotor. The rotor includes conduction bars arranged in radial and axial directions, corresponding to the radial stator and the axial stators, and end-rings electrically connecting the conduction bars.

Radial and axial type hybrid motor

A rotor for an induction motor includes a rotor core having a hollow portion on a central portion wherein a shaft is coupled to the rotor core by being inserted through the hollow portion, a plurality of slots radially formed in the rotor core around a central axis of the shaft, a plurality of conductor bars coupled to the plurality of slots, and an end ring electrically connecting the plurality of conductor bars to each other, wherein the rotor core is thermally treated above Curie temperature to form a predetermined pattern on an outer circumference of the rotor core.

Rotor for induction motor and induction motor using same

A rotor cooling structure includes a turbine blower structure provided on first and second sides of a rotor for an induction motor; a refrigerant passage including a plurality of refrigerant passage inlet openings provided on a bottom surface of the turbine blower structure and a plurality of refrigerant passage outlet openings provided at an axial center of the rotor, which fluidically communicates with the refrigerant passage inlet openings and the refrigerant passage outlet openings and is provided along conductor bars of the rotor; and a plurality of micro groove patterns that hold the refrigerant passage outlet openings and are provided on both axial sides of the rotor on an external periphery of the rotor.

Rotor cooling structure for induction motor

The present disclosure in some embodiment provides a hybrid induction motor including dual stators. According to at least one embodiment, the present disclosure provides a hybrid induction motor including a hollow rotor including a single conductor bar which is annularly disposed and spaced apart from a rotation axis by a predetermined distance, an outer stator having an outer stator winding disposed in parallel with an outer circumferential surface of the hollow rotor, and an inner stator having an inner stator winding disposed in parallel with an inner circumferential surface of the hollow rotor.

Hybrid induction motor including dual stator

An end coil cooling structure includes: a shielding member which is disposed within a motor housing, surrounds an area where an end coil is disposed, and forms an enclosed space; and a plurality of heat conducting particles disposed to fill the enclosed space and to come into contact with the end coil.

End coil cooling structure for an induction motor

An apparatus for controlling a variable magnetic flux motor, wherein the variable magnetic flux motor includes a rotor in which a permanent magnet and a conductor bar are arranged, includes an inverter configured to apply a stator current to a stator coil of the motor, and a control unit configured to control a torque of the conductor bar and magnetize or demagnetize the permanent magnet by controlling the stator current through the inverter.

Growing community of inventors

Seoul, South Korea

Myung Seop Lim