New Motech Co., Ltd.

Industry-academic Cooperation Foundation, Kunsan National University

Ji Min Lee

Jeong Cheol Jang

Gyeong Sik Yang

Nam Jong Kim

Wang Gyu Jeong

Seong Jin Lee

Byung Taek Kim

Seong Jung Ju

Min Ho Kim

Ho Jin Jung

Hyo Bin Lim

Seung Hoon Lee

Pan Guk Park

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.

Drive motor of electric vehicle having inverter housing mounted therein

A motor for dual fans includes: a body on which a stator is installed; a shaft which is coupled to a rotor located to be opposite to the stator to rotate together and is extended to an upper part and a lower part of the body; a first fan which is coupled to an upper part of the shaft; and a second fan which is coupled to a lower part of the shaft, characterized in that a first unidirectional bearing is coupled to the first fan, and thereby an inner race of the first unidirectional bearing is coupled to an upper part of the shaft to rotate, and a second unidirectional bearing is coupled to the second fan, and thereby an inner race of the second unidirectional bearing is coupled to the lower part of the shaft to rotate.

Motor for dual fans with one shaft

A piston for a magneto-rheological (MR) damper includes an upper corehaving a side opening; a lower corehaving a lower core bodyand a central protrusionprotruding upwardly from the lower core body; and a magnetic field generatorcoupled to the central protrusion, including a bodyA around which a coilis wound, a ring-shaped upper supportB extending from the upper portion of the bodyA in the radial direction, and a ring-shaped lower supportC extending from the lower portion of the bodyA in the radial direction.

Piston for magneto-rheological damper

A water pump includes: an upper housing formed with an inlet and an outlet of fluid; a lower housing installed to fit in a lower side of the upper housing, having a receiving space formed therein; a shaft fixing support having a lower part of a protrudedly formed shaft inserted in the center of a bottom part of the lower housing; an impeller installed around the shaft; a rotor configured by having a magnet installed around a rotor core; a stator installed inside the lower housing; a lower cover; a shaft upper part fixing support member installed in an upper side of the shaft erectedly inserted in the shaft fixing support; and a synthetic resin mold member formed with a first synthetic resin mold around an outer side of the shaft fixing support and around the shaft, and a second synthetic resin mold around an outer side of the rotor.

Water pump

A stack structure of a rotor core, includes: a plurality of first core layers, each of the first core layers being formed by stacking first core sheets, each of the first core sheets including: an annular base having a shaft through-hole at a central portion thereof; a plurality of yokes spaced apart from each other to be arranged along a circumferential direction of the base and to form a plurality of magnet insertion parts for accommodating magnets; and a plurality of bridges connecting the base and the yokes; and a plurality of second core layers, each of the second core layers being formed by stacking second core sheets, each of the second core sheets including: a plurality of yokes in which the bases and the bridges are removed from the first core sheet, wherein the first core layers and the second core layers are alternately stacked.

Stack structure of rotor core

A blower motor includes upper and lower bearingsandwhich are respectively installed on a top and a bottom of a rotating shaft; a rotorwhich is installed around the rotating shaft; a statorwhich gives a magnetic field to the rotorto help the rotorrotate; a fanwhich is inserted into the top of the rotating shaftto rotate; and a lower housingwhich supports the bottom of the rotating shaft

Blower motor

Disclosed is a driving apparatus for a washing machine, which includes a washing shaft and a dewatering shaft which penetrate into the inside; an annular clutch holder installed at the bottom of the clutch housing; a clutch lever hinge-coupled to the clutch holder, the clutch lever consisting of a top rotating unit and a coupler receiving unit; a driving lever having a lever arm connected to the top rotating unit of the clutch lever by a linking spring to operate; a clutch coupler laid on the top of the coupler receiving unit to make up and down spline movement by the coupler receiving unit; and a motor assembly comprising a stator assembly coupled to the bottom of the clutch holder and comprising a stator core, and a rotor assembly comprising a rotor housing.

Driving apparatus for washing machine

A motor having a stator with coupled teeth according to the present invention includes a stator which includes a circular base, a plurality of poles radially formed in the base, and a plurality of teeth formed on an outer diameter of the pole; and a rotor which includes a rotor housing in which the stator is positioned inside and a plurality of magnets facing the teeth are formed on an inner wall, wherein two teeth are symmetrically formed on an outer diameter portion for each pole, and the number of teeth is twice the number of poles.

Motor having stator with coupled teeth

Disclosed is a stator of a motor including a stator core manufactured by a plurality of steel sheets laminated on top of each other; an upper insulator which covers the upper parts of the core base and the teeth to insulate them; a lower insulator which covers the lower parts of the core base and the teeth to insulate them; a coil which is wound on the teeth covered and insulated by the upper insulator and the lower insulator and is connected between the neighboring teeth; and a coil protection cover which covers an upper part of the connected part of the coil to prevent the coil connected between the neighboring teeth from being exposed to the outside.

Stator of motor having coil protection cover for washing machine

The driving apparatus for a washing machine according to the present invention includes a clutch housing including a washing shaft and a dewatering shaft penetrating the inside; an annular clutch holder installed in the lower part of the clutch housing; a clutch lever hinge-coupled to the clutch holder, including an upper rotation part and a coupler receiving part; a driving lever having a lever arm interlocking with the upper rotation part of the clutch lever; a clutch coupler laid on the upper part of the coupler receiving part performing up and down spline movement by the coupler receiving part; and a motor assembly coupled to the lower part of the clutch holder, including a stator assembly and a rotor assembly.

Disclosed is a stator of a motor for a washing machine including: a stator core manufactured by a plurality of steel sheets laminated on top of each other, the stator core having a core base and a plurality of teeth radially formed on the core base; an upper insulator which covers the upper parts of the core base and the teeth to insulate them, the upper insulator having least three upper fastening parts which are formed therein and each of which has an upper fastening hole; and a lower insulator which covers the lower parts of the core base and the teeth to insulate them, the upper insulator having least three upper fastening parts which are formed therein and each of which has a lower fastening hole.

Stator of motor for washing machine

A motor assembly for a washing machine including: a stator core having teeth formed along the outer peripheral surface; upper and lower insulators coupled to the upper and lower portions of the stator core to surround the top and underside of the stator core; a first fastening rib protruding from the inner peripheral surface of the lower insulator; a second fastening rib protruding from the inner peripheral surface of the upper insulator to be coupled on the underside thereof to the top of the first fastening rib; and a round-shaped third fastening rib having the underside coupled to the top of the second fastening rib and the top protruding from the top of the upper insulator to be coupled to the underside of a housing in which various parts such as a brake drum and the like are mounted.

Motor assembly for washing machine

The motor according to the present invention is characterized by including a stator core having an upper insulator and a lower insulator combined with an upper portion and a lower portion thereof; a housing manufactured by placing the stator core in an insert injection mold, the housing being formed by a resin molding having at least one upper leg integrally formed in the upper portion thereof; a rotor located inside the stator core of the housing and rotating, the rotor being combined with the housing by having a shaft penetrating into a center portion thereof; and at least one lower leg formed as a separate member from the housing so as to be combined with the lower portion of the housing.

Motor with improved housing fixing and ground structure

The present invention relates to a stator for a motor including: a stator core having a circular base along which a plurality of first holes is formed vertically and a plurality of teeth formed radially around the outer peripheral surface of the base; and an insulating layer coated on the entire surface of the stator core except the inner peripheral surface of the base and the plurality of first holes of the base.

Stator for motor

A driving apparatus for a washing machine including: a housing; a brake drum rotatably disposed inside the housing; a dewatering shaft coupled to the brake drum; a washing shaft rotatably disposed inside the dewatering shaft; a rotor to which the washing shaft is coupled; a stator disposed inside the rotor; a brake lever disposed on the outer peripheral surface of the housing and adapted to operate a brake pad connected to one end thereof to control the rotation of the brake drum; a coupling clutch moved upwardly and downwardly along a lower end portion of the dewatering shaft; a clutch lever mounted on the housing and rotating upon the rotation of the brake lever to move the coupling clutch upwardly and downwardly; and a pressurizing lever coupled to the brake lever to rotate together with the brake lever and to push and rotate the clutch lever.

Growing community of inventors

Gwangju, South Korea

Ji Min Lee