| ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120133223 | BRUSHLESS DC MOTOR STRUCTURE - A brushless DC motor structure including a motor body, a controller, and a fan radiator. The fan radiator is mounted between the motor body and the controller to disperse heat from the motor body and the controller. The brushless DC motor structure increases air flow on the surface of the motor body and the controller by the fan radiator and speeds up heat dispersion, and meanwhile effectively controls the operating temperature of the motor body and the controller. Thus, the brushless DC motor structure has an excellent heat dispersion capability, and the failure rate thereof has been largely reduced. | 05-31-2012 |
| 20120132783 | MOUNTING BRACKET FOR MOTOR - A mounting bracket for a motor, including a hoop structure and a plurality of mounting feet. The hoop structure includes a wall surface. The wall surface of the hoop structure includes the mounting feet formed by punching the wall surface of the hoop structure so that a plurality of grooves close to the mounting feet is produced on the wall surface of the hoop structure, and one end of each mounting foot is coupled to the wall surface of the hoop structure. The mounting bracket for a motor of the invention has a simple structure, low cost, and reliable connection and requires less material compared to conventional mounting brackets. The mounting bracket is suitable for different types of motors. | 05-31-2012 |
| 20120114503 | LOCKING DEVICE - A locking device including a hoop, the hoop curling up to form an axial mounting hole in the middle. An upper convex block, a lower convex block, a middle aperture, a left aperture, a right aperture, an upper convex ear, a lower convex ear, an upper guiding inclined plane, and a lower guiding inclined plane are disposed in the device. The upper convex block and the lower convex block move axially to narrow the middle aperture, the upper guiding inclined plane and the lower guiding inclined plane contact with each other to make the upper convex block and the lower convex block to move circumferentially to narrow both the left aperture and the right aperture and enable the hoop to tightly hold objects inside the axial mounting hole. | 05-10-2012 |
| 20120104907 | COMBINATION OF OUTER MOTOR AND CONTROL BOX THEREFOR - A combination of an outer motor and a control box therefor including an upper main body and a lower controller. The upper main body includes a casing, a front end cover, a rotor assembly, and a stator assembly. The controller includes a control box and a control circuit board, and the control box is sheathed in a tail end of the casing. A center of an upper bottom surface of the control box is arranged with a bearing chamber corresponding to that arranged at the front end cover. The control box forms a cavity downwards accommodating the control circuit board. A cover is mounted at the bottom of the control box. A fairlead arranged at an inner wall of the control box extends through the bottom of the motor casing to connect an empty cavity of the casing. | 05-03-2012 |
| 20120104906 | BRUSHLESS DC MOTOR - A brushless DC motor including a motor casing, a stator component, and a rotor component. The stator component and the rotor component are respectively arranged inside the motor casing. The rotor component includes a rotor iron core and a rotating shaft supporting the rotor iron core. A shaft extension end of the rotating shaft is arranged with a magnetic ring. One end of the motor casing is provided with an end cover. The center of the outer end surface of the end cover is provided with a groove. The magnetic ring is arranged inside the groove. A Hall induction device is arranged outside the groove and close to the magnetic ring. The motor is reasonably structured, compact, cost-effective, installation friendly, and highly reliable. | 05-03-2012 |
| 20120104903 | BRUSHLESS DC MOTOR - A brushless DC motor including a casing, a stator assembly, a rotor assembly, a magnetic ring, and a circuit board with a Hall element. The stator assembly mounted in the casing and includes a stator core, a coil winding, and an end insulation plate. The rotor assembly includes a rotor core and a permanent magnet, and the end surface of the rotor core is coupled to a magnetic ring support. A convex support ring spaced apart from the permanent magnet is mounted on the edge of the magnetic ring support. The top of the convex support ring is sheathed with the magnetic ring and the Hall element extending out of the circuit board is located on the side of the magnetic ring. The motor minimizes the interference of the magnetic tile and improves measuring accuracy of the Hall element, all while having a simple structure, convenient mounting, and low costs. | 05-03-2012 |
| 20120104882 | MOTOR ROTOR SYSTEM - A motor rotor system including: an axis of rotation, a rotor iron core mounted on the axis of rotation, a permanent magnet, a magnetic ring bracket, and a magnetic ring. The permanent magnet, the magnetic ring bracket, and the magnetic ring are mounted on the rotor iron core. The magnetic ring is sheathed on the magnetic ring bracket. The magnetic ring bracket is located at one end of the rotor iron core and connected with an end face of the rotor iron core. The motor rotor system has excellent batch-to-batch consistency, simple structure, and convenient installation. It is suitable for large batch production and can be controlled using sine-wave driving control methods with a position sensor. | 05-03-2012 |
| 20110240262 | HEAT EXCHANGER FOR AN INDOOR UNIT OF AN AIR CONDITIONER - A heat exchanger for an indoor unit of an air conditioner, including at least a housing ( | 10-06-2011 |
| 20110234030 | TERMINAL BOX FOR CENTRIFUGAL SWITCH OF MOTOR AND MOTOR WITH THE SAME - A terminal box, including at least a box ( | 09-29-2011 |
| 20110221295 | PERMANENT MAGNET ROTOR AND MOTOR USING THE SAME - A motor, including at least a stator, including at least a stator core and a coil winding, and a rotor, including at least a rotor core and multiple permanent magnets. Multiple wire receiving grooves are disposed on the stator core. The permanent magnets are disposed on the rotor core. The ratio between the number of teeth of the wire receiving grooves and that of the permanent magnets is 3:2. Every two or three of the permanent magnets form a group of permanent magnets. A gap is disposed between adjacent groups of permanent magnets. The groups of permanent magnets are circumferentially distributed. Magnetic polarities of the permanent magnet are alternatively distributed in a N phase and a S phase. Difference in an electric angle between centers of polarities of adjacent permanent magnets in one group is between 150 degrees and 170 degrees. | 09-15-2011 |
| 20110211298 | TERMINAL BOX FOR CENTRIFUGAL SWITCH OF MOTOR - A terminal box for a centrifugal switch of a motor, having at least a housing, a movable control rod extending from the housing, a cavity disposed on end surface of the housing, and a thermostat disposed in the cavity. A protruding block is disposed on the inner wall of the cavity. A reversed hook is disposed on outer side wall of the thermostat. The bottom of the protruding block abuts against the top of the reversed hook whereby fixing the thermostat in the cavity. The invention effectively simplifies the installation structure of the thermostat and the cavity; the overall installation structure is simple and stable, the cost of the structure is low, and structure of electrical connection in the terminal box is simple and reliable. | 09-01-2011 |
| 20110210630 | PLASTIC PACKAGE MOTOR - A plastic package motor, including at least a plastic package stator ( | 09-01-2011 |
| 20110193511 | CONTROL CIRCUIT FOR SINGLE-PHASE AC MOTOR OF DRYER - A control circuit for a single-phase AC motor of a dryer, including at least an electronic starting circuit including at least a starting control unit, a first drive circuit, and a bidirectional triode thyristor, a second drive circuit, and a mechanical switch K. The bidirectional triode thyristor is serially connected to a starting winding and a starting capacitor of the motor, and connected to an AC input. The starting control unit is connected to a control end of the bidirectional triode thyristor via the first drive circuit. The mechanical switch K is serially connected to an electrical heating wire, and is connected to the AC input. The starting control unit is connected to a control end of the mechanical switch K via the second drive circuit. The first drive circuit and the second drive circuit are interlocked with each other. | 08-11-2011 |
| 20110191502 | MOTOR CONTROLLER FOR ELECTRONIC DRIVING MOTOR AND METHOD FOR CONTROLLING THEREOF - A motor controller for an electronic driving motor, including at least a controlling and processing unit, an interface circuit unit, and an identifying circuit. The controlling and processing unit is disposed on a mother circuit board. The interface circuit unit and the identifying circuit are disposed on a daughter circuit board. The mother circuit board and the daughter circuit board are connected to each other whereby forming electric connection. The identifying circuit inputs an identifying signal to the controlling and processing unit. The controlling and processing unit automatically configured types of input/output ports of the interface circuit unit according to the identifying signal. The motor controller of the invention enables motor manufactures to reduce the number of motor types for management, reduces development cost, development cycle, and product cost, simplifies a production technique, and improves efficiency. | 08-04-2011 |
| 20110190944 | MOTOR CONTROLLER FOR AIR-CONDITIONER FAN AND METHOD FOR CONTROLLING AIR-CONDITIONER FAN - A motor controller for an air-conditioner fan, including at least a central processor, a power drive module, a power supply module, and a communication interface circuit. The power supply module supply working power to the central processor and the power drive module. Multiple instruction input ports are connected to the central processor. Multiple parameters N are set in the central processor and corresponding to the instruction input ports. The central processor controls the power drive module to drive a motor of the air-conditioner fan to operate at a parameter N corresponding to an instruction input port as the instruction input port is connected. The communication interface circuit is communicated with an external communication device. The external communication device changes the parameters N in the central processor corresponding to the instruction input ports via the communication interface circuit. | 08-04-2011 |
| 20110072844 | HEAT EXCHANGE SYSTEM - A heat exchange system of the invention includes at least multiple grids, a blower including an external rotor motor and a wind blade, a compressor, and a box having multiple exhaust inlets. The exhaust inlets are disposed on the side of the box. The grid is disposed at an exhaust outlet of the box. The blower is disposed in the box and below the grid. The compressor is disposed on bottom surface in the box. The blower is an external rotor axial fan, and the wind blade is disposed outside a rotor of the external rotor motor. The heat exchange system of the invention features simple structure, low cost, large air output, and good blowing effect, and is highly efficient and power-saving. | 03-31-2011 |
| 20110020121 | AXIAL FLOW FAN FOR EXTERNAL ROTOR - An axial flow fan for an external rotor, including at least: an axial flow blade, a support comprising an annular cylinder and multiple installation pins, and an external rotor motor comprising an external rotor. The installation pins are extended from the outside of the annular cylinder. The axial flow blade is disposed on the installation pin. The annular cylinder is fit on the external rotor of the external rotor motor. The flow fan features simple and convenient assembling, reliable connection, high production efficiency, low requirement for workers, and low production cost. | 01-27-2011 |
| 20110011718 | OPERATING MECHANISM FOR CENTRIFUGAL SWITCH - An operating mechanism for a centrifugal switch contains at least: a terminal box, a cover, a movable contact, a static contact, a swing arm, a reset elastic part, and a shifting fork. The movable contact and the static contact are disposed in the terminal box. The shifting fork operates to drive the swing arm to horizontally swing, whereby pushing the movable contact and implementing connection and disconnection between the movable contact and the static contact. The reset elastic part operates to automatically reset the shifting fork and the swing arm. The invention features reduced requirements for dimensional precision and installation precision of components, and low production cost, and is reliable and durable. In addition, the sliding force is uniformly stressed, which ensures accuracy of operation, easy installation, and high operating reliability. | 01-20-2011 |
| 20110008196 | BLOWER ADAPTER AND BLOWER USING THE SAME - An adapter, containing at least an inlet portion, an outlet portion, and a transition portion. The inlet portion, the outlet portion and the transition portion are integrally formed, and the transition portion bends upwards whereby staggering the inlet portion and the outlet portion. The adapter is easy to assemble and disassemble, which makes it easy to connect the blower to an external equipment. Moreover, the adapter is integrally formed, features simple structure and is convenient to cast, all of which reduces time for production and mould opening, and thus decreases production cost. | 01-13-2011 |
| 20110008152 | TRANSFER DEVICE AND BLOWER HAVING THE SAME - A transfer device having an inlet member, an outlet member, and a transition member. The inlet member is connected with the outlet member via the transition member; the inlet member, the outlet member, and the transition member are one-step cast; and the transition member is tilted upwards so that the inlet member is not in line with the outlet member vertically. The assembly and disassembly of the transfer device is very easy, which facilitates the connection of a blower and user equipment; and the transfer device is one-step cast with a metal material and has a simple structure, which greatly reduces the molding and manufacturing time, simplifies the production process, and saves the production cost. A blower utilizing the transfer device is also provided. | 01-13-2011 |
| 20100327676 | ELECTRIC MOTOR - An electric motor, including stator core, a shaft, and a shock-absorbing connector including multiple brackets, and a rubber pad. The stator core and the shaft are disposed between the brackets, the shaft is nested in the stator core but not directly mechanically-connected thereto, tightly abuts against the bracket, and passes through the stator core. A through hole is disposed in the stator core and parallel to the shaft, and the rubber pad is received in the through hole. | 12-30-2010 |
| 20100283510 | CLOCK-DETECTING CIRCUIT - A clock-detecting circuit, containing at least a microprocessor, a clock circuit, and a zero-cross detecting circuit. The clock circuit is connected to the microprocessor. The input end of the zero-cross detecting circuit is connected to the utility power AC input. The output end of the zero-cross detecting circuit is connected to the input end of the microprocessor. The zero-cross detecting circuit operates to detect zero crossing points of the utility power AC input. The microprocessor operates to count the number of oscillation periods of the clock circuit in a time interval between two adjacent zero crossing points of the utility power AC input and to detect clock precision of the microprocessor according to the counted number. The circuit according to the invention features simple structure and low production cost, and is reliable and easy to be implemented. | 11-11-2010 |
| 20100270966 | STARTING CIRCUIT FOR SINGLE-PHASE AC MOTOR - A starting circuit for a single-phase AC motor, consisting at least of a rectifying and voltage-stabilizing circuit, a control circuit with a zero-cross detecting circuit and a counter, and a bidirectional thyristor. The bidirectional thyristor is serially connected to a starting winding and a starting capacitor, the bidirectional thyristor, the starting winding and the starting capacitor are connected a utility power AC input. The input end of the rectifying and voltage-stabilizing circuit is connected to the utility power AC input. The output end of the rectifying and voltage-stabilizing circuit supplies power to the control circuit. The input end of the zero-cross detecting circuit is connected to the utility power AC input. The output end of the zero-cross detecting circuit is connected to the input end of the counter. The zero-cross detecting circuit detects zero crossing points of the utility power AC input and inputs the zero crossing points to the counter. | 10-28-2010 |
| 20100270880 | MOTOR OPERATING AT TWO DIFFERENT VOLTAGES - A motor operating at two different voltages, containing at least: a stator, a rotor, multiple coil windings, a housing, a patch board, a connector socket having a terminal cap, a first plug, a second plug, and a base. The patch board is disposed on the housing. The connector socket, the first plug, and the base are disposed on the patch board. The terminal cap is disposed in the connector socket. The coil winding is directly electrically connected to the terminal cap. The first plug is inserted in the connector socket whereby connecting two in-phase coil windings in parallel. The second plug is disposed on the base as the motor operates at a low voltage, and the second plug is inserted in the connector socket whereby connecting two in-phase coil windings in series. The first plug is disposed on the base as the motor operates at a high voltage. | 10-28-2010 |
| 20100259119 | STATOR FOR EXTERNAL ROTOR MOTOR - A stator for an external rotor motor, containing at least a stator core ( | 10-14-2010 |
| 20100237814 | METHOD FOR CONTROLLING BRUSHLESS DC MOTOR - A method for controlling a brushless DC motor, comprising transmitting a phase-inversion signal to a motor control unit by a rotor position detecting unit after a motor enters a stable state, advancing or delaying phase shift by the motor control unit at an offset electrical angle, recording and comparing phase current values I | 09-23-2010 |
| 20100225206 | POSITION SENSING DEVICE AND MOTOR USING THE SAME - A position sensing device for a motor, the motor has a stator having a coil winding, and a rotor, and the position sensing device including a fixing frame, including a first fixing portion, a second fixing portion, a third fixing portion, and a fourth fixing portion, multiple Hall components, and a PCB board. The position sensing device is connected to the stator via the first fixing portion whereby detecting a position of the rotor, the second fixing portion operates to fix a power lead connected to the coil winding of the stator, the PCB board is disposed on the fixing frame via the third fixing portion, and the Hall component is disposed on the fixing frame via the fourth fixing portion and connected to the PCB board. The invention features simple structure and is capable of being firmly connected and fixed to other electronic components such as a power lead, a PCB board and so on. | 09-09-2010 |
| 20100225186 | MOTOR FOR TREADMILL - A motor for a treadmill, containing at least a housing ( | 09-09-2010 |
| 20100225181 | INJECTION-MOLDED STATOR - An injection-molded stator has a stator core, a coil winding having a head, an end insulating plate having a first groove, and a connector. The end insulating plate is disposed on one end of the stator core, the connector is formed by the head of the coil winding and a power lead electrically connected to each other, and the connector is fixed in the first groove via sealant. The connector is conveniently installed, firmly fixed, orderly distributed and not easily corroded or oxidized, and features simple processing and good sealing effect. | 09-09-2010 |
| 20100214702 | OVER-CURRENT PROTECTION CIRCUIT AND MOTOR CONTROLLER COMPRISING THE SAME - An over-current protection circuit, has a main transmission circuit including at least a first triode and a first resistor, a trigger circuit including a second triode and a second resistor, and a detecting circuit having an input terminal and an output terminal. One end of the first resistor is connected to one end of a collecting electrode and an emitting electrode of the first triode. The other end of the first resistor is connected to a current output. The other end of the collecting electrode and the emitting electrode of the first triode is connected to a current input. One end of the second resistor is connected to a collecting electrode of the second triode. The other end of the second resistor is connected to the ground. An emitting electrode of the second triode is connected to the current input. The collecting electrode of the second triode is connected to a base electrode of the first triode. The input terminal of the detecting circuit is connected to the current output whereby extracting a detecting signal therefrom. The output terminal of the detecting circuit is connected to a base electrode of the second triode | 08-26-2010 |
| 20100208395 | SURGE CURRENT PROTECTION CIRCUIT AND MOTOR USING THE SAME - A surge current protection circuit, has a control unit having an output end, a photoelectric coupling and driving circuit, a silicon symmetrical switch having a control end, and a current-limiting resistor. The current-limiting resistor and the silicon symmetrical switch are parallel connected altogether and then serially connected to a load and an AC input, and the control end of the silicon symmetrical switch is connected to the output end of the control unit via the photoelectric coupling and driving circuit. The invention features low production cost, high reliability and improved power efficiency, and is capable of effectively suppressing surge current. | 08-19-2010 |
| 20100207569 | STARTING CIRCUIT FOR SINGLE-PHASE AC MOTOR AND METHOD FOR STARTING SINGLE-PHASE AC MOTOR - A starting circuit for a single-phase AC motor, the single-phase AC motor comprising a main winding and a starting winding, and the starting circuit comprising a detecting circuit, a rectifying circuit, a triggering circuit, and a switch, wherein the detecting circuit is connected in series with the main winding, the switch is connected in series with the starting winding, the detecting circuit transfers current parameters of the main winding into detecting signals, the rectifying circuit processes the detecting signals and transmits the detecting signals to the triggering circuit, the triggering circuit controls the switch according to the detecting signals whereby controlling power-on and power-off of the starting winding, and the triggering circuit is a hysteresis comparing circuit. | 08-19-2010 |
| 20100207556 | AC/DC CONVERTING CIRCUIT AND MOTOR CONTROLLER USING THE SAME - An AC/DC converting circuit, has a full-bridge rectifier having two input terminals and two output terminals, a first capacitor, a second capacitor, an electronic switch having a control terminal, a trigger circuit having an input terminal and an output terminal, and a detecting circuit having an input terminal and an output terminal. The first capacitor and the second capacitor are serially connected between the output terminals of the full-bridge rectifier, the input terminals of the full-bridge rectifier are connected to an AC input, one end of the electronic switch is connected between the first capacitor and the second capacitor, the other end of the electronic switch is connected to one of the output terminals of the full-bridge rectifier, the input terminal and the output terminal of the detecting circuit are connected to the output terminals of the full-bridge rectifier, the output terminal of the detecting circuit is connected to an input terminal of the trigger circuit, and the output terminal of the trigger circuit is connected to the control terminal of the electronic switch. | 08-19-2010 |
| 20100150731 | FAN BLADES - A blade for an axial fan, including at least a front edge portion, a back edge portion, and multiple pressure balance holes. The front edge portion operates to blow air from the outside of the blade, the back edge portion operates to blow air to the outside of the blade, and the pressure balance hole is disposed on the back edge portion. The pressure balance holes are adapted to balance pressure and reduce pressure difference between the front side and the back side of the blade, eliminating backflow phenomenon caused by separation of boundary layer airflow at the back edge portion on a windward side of the blade and thus reducing power consumption and noise, and preventing dust from settling on the back edge portion on the windward side of the blade. | 06-17-2010 |
| 20100148619 | STATOR AND WIRE WINDING METHOD THEREFOR - A stator, comprising a stator iron core, a plurality of stator windings comprising multiple in-phase windings and anti-phase windings, a plurality of end insulators, a plurality of teeth, and a plurality of slots. The winding wires of the in-phase windings are firstly wrapped around two adjacent teeth and then cross four teeth thereof. A wire winding method for a stator, comprising: wrapping the winding wires of the in-phase windings around two adjacent teeth; crossing four teeth; and wrapping the winding wires of the in-phase windings around next two adjacent teeth. The winding directions of the two adjacent teeth of the in-phase windings are opposite. The winding directions of adjacent teeth of the anti-phase windings are the same. | 06-17-2010 |
| 20100148618 | STATOR AND WIRE WINDING METHOD THEREFOR - A stator, with a stator core, a plurality of windings with a plurality of in-phase windings and anti-phase windings, a plurality of slots, an insulating plate, a plurality of cylinders, and a plurality of teeth. The teeth protrude from the stator core. The winding is received in the slot and wraps around the tooth. The insulating plate is disposed on the surface of the stator core. The cylinders are disposed on the insulating plate. A transition line is disposed between two adjacent teeth and hangs on the cylinder. A plurality of supporting mechanisms is disposed on the cylinders. | 06-17-2010 |
| 20100148597 | DIRECT CURRENT DRIVE MOTOR - A direct current drive motor with a stator core, an end insulator, and a coil winding forming a stator, and a housing, a magnetic yoke shell, and multiple magnetic tiles, forming a rotor. The magnetic yoke shell and the magnetic tiles are disposed on the housing. Multiple teeth protrude from a side wall of the stator core. A slot is formed between two adjacent teeth. The coil winding is disposed in the slot and wraps around the tooth. | 06-17-2010 |
| 20100141069 | MOTOR CASE - A motor case, including at least a body forming a housing cavity; a pair of end shields, having a uniform thickness, directly attached one to each end of the body; a pair of stopping plates directly attached one to each the end shield, the stopping plates being coplanar with the end shields; and a pair of flanges directly attached one to each the end shield and together with the stopping plates forming a hollow sleeve-shaped bearing housing, the flanges extending from the end shields fully into the housing cavity, and the flanges being profiled in part at an acute angle with respect to the stopping plates, in part in parallel to the stopping plates, and in part in perpendicular to the stopping plates. | 06-10-2010 |
| 20100133932 | EXTERNAL ROTOR AND HOUSING THEREFOR - A housing for an external rotor with a side wall; an end cover directly connected to the side wall; a cavity formed between the side wall and the end cover; a plurality of openings formed in the side wall; a plurality of wind wheels; a plurality of air inlets, each of the air inlets disposed one between adjacent wind wheels; a base disposed at the center of the end cover and connected to the side wall via the wind wheels; and a center hole disposed at the center of the base, the center hole for forming connection to a drive shaft of the external rotor. An external rotor with the housing, a magnetic conductive housing; and a plurality of magnetic tiles. | 06-03-2010 |
| 20100133927 | ROTOR FOR A DIRECT CURRENT DRIVE MOTOR AND A METHOD FOR PRODUCING THE SAME - An external rotor for a direct current drive motor with a side wall, an end cover, a cavity, an opening, a base, a magnetic tile, a center hole, and a magnetic yoke shell. A method for producing an external rotor for a direct current drive motor by integrally forming by injection molding a magnetic yoke shell and multiple magnetic tiles; forming a side wall on said magnetic yoke shell and an end cover at the bottom of said side wall; forming a base at the center of said end cover; and integrally forming by injection molding said base and a rotating spline. | 06-03-2010 |
| 20100129243 | BLOWER, HOUSING AND WIND WHEEL THEREOF - Blower, including a housing having a cavity, a wind wheel, a motor, an air inlet, and an air outlet. The housing and the wind wheel are made of steel plates, enamel materials are coated on surfaces of the steel plates, the wind wheel is disposed in the cavity of the housing, the air inlet is disposed at the bottom of the housing, and the air outlet is disposed on one side of the housing in a radial direction. The blower is capable of operating under a high-temperature (below 100° C.) and high-humidity environment, and features simple structure, easy manufacturing and low production cost. | 05-27-2010 |
| 20100102660 | END COVER AND EXTERNAL ROTOR MOTOR USING THE SAME - An end cover for an external rotor motor. The external rotor motor has a stator core having a center hole, and the end cover including a body, a cylindrical connecting portion, and multiple protruding bars each having an arc-shaped top surface. The cylindrical connecting portion is extended from the center of the body and received in the center hole of the stator core, the protruding bars are disposed on outer surface of the cylindrical connecting portion and extended in an axial direction, and the arc-shaped top surface of the protruding bar is fit with inner wall of the center hole of the stator core. The end cover is accurately fit with a stator core, requires no further processing after die-casting and thus reducing production cost, and is capable of preventing aluminum scraps from entering a stator. | 04-29-2010 |
| 20100084931 | MOTOR WITH WIRE FIXING PLATE - A motor with a wire fixing plate, has a stator core, a stator winding, a lead wire, and a wire fixing plate including multiple fixed portions. The wire fixing plate is made of insulating plastics, and the lead wire is fixed on the wire fixing plate via the fixed portions. The motor features firm fixation and good insulating property of a lead wire and a simple production process. | 04-08-2010 |
| 20100019586 | EXTERNAL ROTOR MOTOR - An external rotor motor, composed of at least a stator with a stator core, coil winding, and insulating housing; a rotor; a plurality of bearings; and a rotating shaft. The rotor is disposed outside the stator and connected to the rotating shaft. The rotating shaft is disposed on the stator via the bearing. The coil winding is wrapped on the stator core. The stator core and the coil winding are disposed in the insulating housing. The external rotor motor of the invention is waterproof and dustproof; does not oxidize easily; features good insulation performance and integrity, light weight, and low cost; and is easy to manufacture. | 01-28-2010 |
| 20090174356 | STARTING CIRCUIT FOR SINGLE-PHASE AC MOTOR - A starting circuit for a single-phase AC motor, comprising a main winding, a detecting circuit, a rectifying and filtering circuit, a triggering circuit, a switching circuit and a starting winding. The detecting circuit is connected in series to the main winding for transforming current parameters thereof into detecting signals. The switching circuit is connected in series to the starting winding. The rectifying and filtering circuit processes the detecting signals and the processed detecting signals to the triggering circuit. The triggering circuit enables or disables the switching circuit according to the detecting signals, so as to energize or deenergize the starting winding. The starting circuit features high reliability, long lifetime, simple circuit structure, low cost, and small size. | 07-09-2009 |
| 20090033163 | MOTOR CASE - Provided is a motor case, comprising a body, a pair of endshields disposed on both ends of the body, a cavity formed inside the body, and a pair of flangings extending from the center of the endshields; wherein the flangings extend into the cavity to form a bearing house with two opening ends; and a space is formed between the cavity and the bearing house. The invention has small distance between bearings so as to reduce vibration and noise of a motor, and features a small radial size and volume so as to make the motor case compact and simple. | 02-05-2009 |
| 20080284274 | VIBRATION-DAMPING ROTOR ASSEMBLY - A rotor assembly comprising: an inner rotor and an outer rotor for rotating in a magnetic field of a motor, the inner rotor comprising a main inner rotor cavity, and a plurality of first holes being formed between the inner rotor and the outer rotor; two side boards, each side board having a main side board cavity, and being perforated by a plurality of second holes; two damping elements each damping element comprising a main damping element cavity; a plurality of rubber sleeves, each rubber sleeve having a rubber sleeve lip; and a plurality of third holes; an axle; and a plurality of positioning pins. | 11-20-2008 |
| 20080265698 | VIBRATION-DAMPING ROTOR ASSEMBLY - A rotor assembly comprising a rotor for rotating in a magnetic field of a motor, the rotor comprising a main rotor cavity and a plurality of first holes; two side boards, each side board comprising a sleeve-shaped main side board body and a disc-shaped outer side board body, the side board body having a main side board cavity, and the outer side board body being perforated by a plurality of second holes; two damping elements each damping element comprising a main damping element cavity; a plurality of rubber sleeves, each rubber sleeve having a rubber sleeve lip; and a plurality of third holes; an axle; and a plurality of positioning pins. | 10-30-2008 |
