Abstract: A driving apparatus for a washing machine includes a clutch main body 1 in which a brake drum 13 is located inside; a clutch operation unit 2 installed at one side of the clutch main body 1; a clutch coupler 20 located at the bottom of the clutch main body 1; a decelerator 3 located at the bottom of the clutch coupler 20; a rotating driving means 4 located at the bottom of the decelerator; a washing shaft 5 in which a pulsator is coupled to the top end; and a dewatering shaft 6 in which the washing shaft 5 is rotatably coupled inside and a washing tub is coupled to the top end thereof.

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 switched reluctance motor includes an upper housing; a stator assembly including a stator core coupled to the upper housing; a rotor assembly located inside the stator assembly and comprising a rotor core rotating together with a shaft; a lower housing coupled to a lower part of the stator core; a sensor magnet assembly coupled to an upper part of the shaft and rotating together with the shaft; and a hall sensor assembly installed inside the upper housing and installed at one side of the sensor magnet assembly.

Abstract: A blower motor includes upper and lower bearings 21 and 22 which are respectively installed on a top and a bottom of a rotating shaft 10; a rotor 30 which is installed around the rotating shaft 10; a stator 40 which gives a magnetic field to the rotor 30 to help the rotor 30 rotate; a fan 50 which is inserted into the top of the rotating shaft 10 to rotate; and a lower housing 60 which supports the bottom of the rotating shaft 10.

Abstract: A cylinder coupling structure of a small air compressor according to the present invention, in which a cylinder is integrally coupled to a block by which a crankshaft is shaft-supported, wherein the block is provided with a supporting end by which the cylinder is pressed to be supported; a latching end is formed on the outer surface of the cylinder; and a press bolt is fastened to the block and a valve cover so that the valve cover presses the front end of the cylinder while the latching end of the cylinder is latched and supported on the supporting end.

Abstract: 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.

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 cylinder coupling structure of a compact air compressor includes a block provided with a suction valve and a discharge valve to be integrally formed with a suction muffler and a discharge muffler to block a front end of the cylinder, a tubular-shaped cylinder coupled to the block, a valve cover covering the valve assembly, at least one pressurized bolt coupling the valve cover and the block, a piston reciprocating inside the cylinder, a stator coupled to the block, a rotator located to rotate relatively with respect to the stator, a crank axis coupled to the rotator to rotate integrally with the rotator to be rotatable coaxially with the block, and a connecting rod, each of both ends thereof being connected to the crank axis and the piston, respectively.

Abstract: A direct driving apparatus for a washing machine according to the present invention, capable of deceleration driving, includes a tub, a stator assembly coupled to the tub and a rotor assembly positioned outside the stator assembly, wherein the apparatus further includes a deceleration coupling unit positioned in a central space of the stator assembly.

Abstract: A cylinder coupling structure of a compact air compressor includes a block, a tubular-shaped cylinder assembled to the block, a valve cover which covers the valve assembly, at least one pressurized bolt which assembles the valve cover and the block, a piston which is reciprocated inside the cylinder, a stator which is assembled to the block, a rotator which is located to relatively rotate as to the stator, a crank axis which is assembled to the rotator to integrally rotate with the rotator to be axially supported in the block to be rotatable, and a connecting rod, each of both ends thereof is connected to the crank axis and the piston, respectively.

Abstract: A stator assembly constituting a motor of a driving apparatus for a washing machine, includes: a stator core; an insulator surrounding the stator core; a central space in the stator core and insulator; and a lever unit coupling for coupling a lever unit, formed in the insulator, wherein a deceleration coupling unit is positioned in the central space to be movable frontward or rearward.

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: 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: 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 bus-bar housing is coupled to a bus-bar seat defined in a central portion of the upper insulator.

Abstract: A blower motor includes upper and lower bearings 21 and 22 which are respectively installed on a top and a bottom of a rotating shaft 10; a rotor 30 which is installed around the rotating shaft 10; a stator 40 which gives a magnetic field to the rotor 30 to help the rotor 30 rotate; a fan 50 which is inserted into the top of the rotating shaft 10 to rotate; and a lower housing 60 which supports the bottom of the rotating shaft 10.

Abstract: 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.

Abstract: 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.

Abstract: A pump for circulating water includes an upper housing 10 formed with an inlet 11 and an outlet 12 of fluid; a lower housing 20 arranged in a lower side of the upper housing 10, having a space formed therein; an inner housing 30 having an edge part interposed between the upper housing 10 and the lower housing 20, and an impeller receiving space 31 formed in a middle part; an impeller 50 received inside the upper housing 10 and in the impeller receiving space 31 to be rotatably installed; a rotor 60 installed inside an outer circumference of the impeller 50; a spring 65 installed between a lower surface of the impeller and the inner housing; and a stator 70 installed inside the lower housing 20.

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.

Abstract: A spoke type rotor includes: a plurality of rotor cores, radially arranged, having neither base nor bridge; a permanent magnet arranged in each gap between the plurality of rotor cores; a space formed between the inner circumferential surfaces of the plurality of rotor cores and of the permanent magnets and a through hole into which a rotation shaft is inserted; and a molding member for reducing magnetic flux leakage filling the space.