Abstract: 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.

Abstract: A waterproof cover of a motor comprises a flange unit having a hollow section at a center; a cover unit formed around the flange unit to have a shape declined toward an outer circumference; an opening section opened to expose a hall sensor cover at one side of the cover unit; a plurality of ribs formed to be projected on the cover unit toward the outer circumference; a plurality of drain guides formed to be projected along the outer circumference of the cover unit; and a drain channel formed between adjacent drain guides among the plurality of drain guides.

Abstract: 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.

Abstract: 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.

Abstract: A driving apparatus for a washing machine includes a clutch main body in which a brake drum is located inside; a clutch operation unit installed at one side of the clutch main body, the clutch operation unit including a brake lever and a clutch lever which rotates together when the brake lever operates; a clutch coupler located at the bottom of the clutch main body, the clutch coupler moving up and down by the clutch lever; a decelerator located at the bottom of the clutch coupler; a rotating driving means located at the bottom of the decelerator; a washing shaft in which a pulsator is coupled to the top end; and a dewatering shaft in which the washing shaft is rotatably coupled inside and a washing tub is coupled to the top end thereof.

Abstract: A pump for circulating water 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; an inner housing having an edge part interposed between the upper housing and the lower housing, an impeller receiving groove formed therein, and a shaft support part formed at the center of the bottom of the impeller receiving groove; an impeller received in the impeller receiving groove to be rotatably installed, so as to form a flow pathway between the impeller and an inner surface of the inner housing for the flow of fluid; a rotor installed inside the impeller; and a stator installed in the lower housing to be positioned to face the rotator.

Abstract: Disclosed is a method of wiring a coil in parallel around a stator having a plurality of teeth, which includes the steps of: winding the coil around a tooth starting from a top or a bottom of the stator; continuously winding the coil around an adjacent tooth when winding on the tooth is completed; cutting an end portion of the coil positioned at either the top or the bottom of the stator; wiring the cut end portion of the coil using a bus-bar; and wiring a neutral point to the other end of either the top or the bottom of the stator.

Abstract: A fan motor according to the present invention comprises a rotor 10 which rotates together with a shaft 30; a stator 20 which is installed to be oriented towards the rotor 10; a top-covering bracket 60 which is coupled to an upper insulator 21 and a core 22 constituting the stator 20; a motor bracket 80 which is mounted on a fixed-installation bracket 70 and coupled to the core 22, upper insulator 21 and lower insulator 23 of the stator 20 and a printed circuit board 50; and a sealing element 100 which is filled in a space portion S formed between a lower surface of the printed circuit board 50 coupled to the bottom of the lower insulator 23 and an inner lower surface of the motor bracket 80.

Abstract: 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.

Abstract: A method for manufacturing a laminated core for a motor comprises the steps of: stamping a sheet of a core of a straight form to have a form that a plurality of split cores are connected; laminating sheets of the core perpendicularly; bending the sheets of the core in a round form; and forming a connection caulking part at contact parts of yokes, which are adjacent to each other, of the bended core.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Disclosed is a stator assembly, which includes a stator core having a circular base part, a plurality of teeth radially formed on an outer face of the base part, and a tooth end portion at the end of the teeth, the stator core comprising a first coating layer formed on an entire surface of the base part and the teeth; and a second coating layer formed on a surface of the first coating layer, wherein the entire surface of the base part and the teeth is coated with the first coating layer and the entire surface coated with the first coating layer is coated with the second coating layer, and wherein the first coating layer and the second coating layer are made of insulating powder.

Abstract: A ground structure for a motor including: a housing having a flange protruded upwardly from the outer periphery of an opening formed on the top surface thereof; a bearing cover having a coupling groove formed along the outer periphery of the underside thereof to inserted the flange of the housing thereinto; a stator core fixedly disposed to the inside of the housing and having a plurality of teeth on which a coil is wound formed annularly along the inner periphery thereof; and a connector having one end coupled to the flange of the housing in such a manner as to be brought into contact with the coupling groove of the bearing cover when the bearing cover is coupled to the top end periphery of the housing and the other end passed through the housing in such a manner as to be brought into contact with the stator core.

Abstract: 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.

Abstract: Disclosed therein is a method of operating a variable magnetic flux motor. The method of operating the variable magnetic flux motor, which includes a rotor and a stator located inside the rotor, the rotor including first magnets and second magnets having a coercive force weaker than that of the first magnets, includes: a first step of operating the motor in an initially magnetized state of the second magnets; and a second step of operating the motor in an inversedly magnetized state of the second magnets by applying a magnetomotive force to the second magnets in the opposite direction to the magnetization direction of the second magnets.

Abstract: Disclose herein is a motor. The motor includes a stator assembly that has a stator core, an upper insulator covering and insulating an upper portion of the stator core, and a lower insulator covering and insulating a lower portion of the stator core, and a bus-bar assembly that has a bus-bar having a plurality of connecting terminals formed on a circular bus and a contact portion electrically connected to a coil, and a bus-bar housing accommodating the bus-bar therein. The contact portion has a bent portion formed by bending distal ends of the connecting terminals upward, a contact piece located to face the bent portion, and a connection piece which connects the bent portion with the contact piece, and the bus-bar housing is coupled to a bus-bar seat defined in a central portion of the upper insulator.

Abstract: The ceiling fan motor according to the present invention includes a rotor assembly including a rotor housing installed with a plurality of yoke pieces and a plurality of magnets in the inner side, the rotor housing having a plurality of magnet fixing parts formed between the plurality of magnets, a stator assembly placed in the inner side of the rotor assembly, the stator assembly including a stator core, and an upper insulator and a lower insulator engaged with the upper part and lower part of the stator core, and a shaft fixed being engaged with the center part of the stator core, and the magnet is engaged being forcibly press-fitted between the fixing parts.