| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 310066000 |
With other elements
| 2874 |
| 310179000 |
Windings and core structure
| 1675 |
| 310152000 |
Permanent magnet machines
| 1417 |
| 310052000 |
Cooling or fluid contact
| 1208 |
| 310043000 |
Molded plastic
| 349 |
| 310219000 |
Current collectors
| 239 |
| 310046000 |
Magnetic motors
| 235 |
| 310051000 |
Vibration or noise suppression
| 136 |
| 310050000 |
Portable or hand tool
| 134 |
| 310092000 |
Torque-transmitting clutches or brakes
| 105 |
| 310112000 |
Plural units, structurally united
| 99 |
| 310114000 |
Plural rotary elements
| 95 |
| 310044000 |
Powdered metal
| 66 |
| 310418000 |
Frame
| 58 |
| 310254000 |
Stator structure
| 58 |
| 310045000 |
Impregnated or coated
| 51 |
| 310261000 |
Rotor structure
| 46 |
| 310254100 |
Miscellaneous stator structure
| 39 |
| 310159000 |
A.C.
| 33 |
| 310177000 |
D.C.
| 28 |
| 310261100 |
Miscellaneous rotor structure
| 23 |
| 310042000 |
With assembling, metal casting or machining feature
| 18 |
| 310400000 |
End shield
| 12 |
| 310158000 |
Universal (A.C. or D.C.)
| 9 |
| 310273000 |
Miscellaneous
| 8 |
| 310127000 |
Plural collector-type machines
| 6 |
| 310272000 |
Elements | 5 |
| 20090026878 | Can of Wet-Running Electric Motor And Pump Assembly - A can of a wet-running electric motor can be produced from a non-metallic material, wherein the non-metallic material is provided with at least one additional hermetically sealing layer. A pump unit having a can of this type is also provided. | 01-29-2009 |
| 20090085424 | Yoke of Rotating Electric Machine and Method of Manufacturing the Same - A rotating electric machine includes a bearing; a rotating shaft supported via the bearing; and a yoke with a bearing support portion formed on a yoke bottom surface. The bearing support portion houses the bearing, and on a cylinder front-end portion of the bearing support portion, integrally formed is a ring-shaped flange portion that is inclined toward an inner radial side so as to prevent the bearing from coming off one end side. | 04-02-2009 |
| 20090108704 | APPARATUS FOR THERMOMECHANICAL DECOUPLING OF THE HOUSING AND STATIONARY PART OF A ROTATING MACHINE - An apparatus is described for thermomechanical decoupling of the housing and stationary part of a rotating machine, in particular of a dynamoelectric machine. The apparatus has at least one rotating shell, and in that this apparatus can on the one hand be attached to the housing and on the other hand to the stationary part, such that the rotating shell extends in the axial direction even in the mounted state. This results in centred bearing, which is stiff against lateral movement of the stationary part, in particular of the laminated core, while providing little impediment to the thermal growth of the stationary part. | 04-30-2009 |
| 20110309714 | ACTUATING DEVICE, IN PARTICULAR FOR A HEATING ELEMENT VALVE - An actuating device for a heating element valve has a drive motor with a motor shaft, an actuator, and a rotation-linear conversion drive. The conversion drive is coupled on the drive side to the motor shaft and on the output side to the actuator and converts a rotational movement of the motor shaft into a linear movement of the actuator. The rotation-linear conversion drive further has a cam disc on the output side which is provided on its outer circumferential periphery with a plurality of step segments each having a substantially constant distance from the axis of the cam disc. The step segments are connected via connecting segments with a variable axle spacing. | 12-22-2011 |
| 20140246947 | METHOD FOR PRODUCING A MACHINE COMPONENT FOR AN ELECTRICAL MACHINE, MACHINE COMPONENT AND ELECTRICAL MACHINE - The invention relates to a method for producing a machine component ( | 09-04-2014 |
| 310400500 |
Self-nutating or moving (e.g., oscillating fan, etc.) | 3 |
| 20090026850 | CYLINDRICAL OSCILLATING FAN - The present invention provides a cylindrical oscillating fan including a base, a cylindrical shell, a blade assembly, a drive motor and an oscillating drive device. The blade assembly and drive motor are assembled into the hollow groove of the cylindrical shell. The oscillating drive device is assembled into the base to drive the oscillation of the cylindrical shell. A support column is placed into the hollow groove. The top end is fastened to the top of cylindrical shell, and the bottom is fastened to the bottom of cylindrical shell. The support column is also screwed onto upper and lower support portions of the base for two-point positioning. The bottom of support column is linked to the oscillating drive device. | 01-29-2009 |
| 20130113307 | Spherical Wheel Motor - Disclosed is a spherical wheel motor including: a spherical rotor having freedom of rotation along surrounding magnetized directions; a stator formed in a dome shape enclosing the rotor and configured to form magnetization at various angles through a plurality of coils distributed therein, and impart the freedom of rotation to the rotor; and a driving unit configured to identify a position of the rotor, supply current to each coil of the stator according to the position of the rotor, and drive the rotor. | 05-09-2013 |
| 20180023579 | BLOWER | 01-25-2018 |
| 310040000 |
Miniature motors | 3 |
| 20080252180 | Electricity Generating Playground Equipment and Method - An electricity generating playground device configured for recreational activity by children includes a playground device having a cyclically movable part. An electricity generator is operably coupled to the cyclically movable part, and operable to generate electricity when the cyclically movable part is moved through a cyclical motion. A duty cycle controller is operably coupled to the electricity generator, and operable to convert a predetermined portion of the kinetic energy of the cyclically movable part to usable electricity. | 10-16-2008 |
| 20090051253 | Printing Machine or Electrical Machine for a Printing Machine - There is described a printing machine or to an electrical machine for driving a cylinder of a printing machine, wherein the electrical machine has a primary part and a secondary part. The electrical machine has a disc-like primary part and a disc-like secondary part for forming a disc-shaped air gap or a cylindrical primary part and a cylindrical secondary part for forming a cylindrical air gap, wherein a primary part, which can be used for a linear motor, is also used for forming the cylindrical primary part. | 02-26-2009 |
| 20100039002 | OVERDRIVE GENERATOR - A motor includes a first layer including a first circular conductive winding having a first center portion and mounted to a first plurality of dowel rods connected to the first center portion of the first winding, a second layer including a center-piece element, a spindle, and an outside drive element, the outside drive element including at least one magnet, and a third layer including a second circular conductive winding having a second center portion and mounted to a second plurality of dowel rods connected to the second center portion of the second winding. | 02-18-2010 |
| 20130057116 | SEALED ROTATIONAL OUTPUT UNIT AND SEALED MOTOR ASSEMBLY - Provided with a sealed rotational output unit ( | 03-07-2013 |
| 20130140961 | SPINDLE MOTOR AND METHOD OF MANUFACTURING THE SAME - There is provided a spindle motor including: a sleeve rotatably supporting a shaft; a cover member installed on a lower end portion of the sleeve; and a bonding member disposed between the sleeve and the cover member such that the cover member is installed on the sleeve and formed of an anisotropic conductive material. | 06-06-2013 |
| 20180023533 | HYDROELECTRIC POWER GENERATION DEVICE FOR PIPELINE | 01-25-2018 |
| 20180026485 | ELECTRIC MOTOR ROTOR MECHANISM | 01-25-2018 |
| 20220140671 | ALTERNATOR WITH ROTOR LAMINATION STACK - A rotor core lamination is provided. The rotor core lamination includes a plurality of salient poles. Each of the salient poles includes: a pole body having a central axis in a radial direction of the rotor core lamination; and a pole shoe extending radially outward from the pole body, wherein the pole shoe has a pole shoe arc, and a central point of the pole shoe arc is offset from the central axis. | 05-05-2022 |
| 20090184607 | Micro motor structure - The present invention relates to a micro motor structure, which includes a hub, a rib structure, an inner ring, an outer ring and at least two micro actuators in which a top edge of the hub is projected outwards to form an upper lid having at least two protrusions in form of rectangular tooth, triangle or arc so that the upper lid is in point contact with the inner wall of the inner ring. As such, in spite of collision between the inner ring and the upper lid, when the micro actuators drive the rib structure, the inner ring and the outer ring to rotate, mutual abrasion between the upper lid and the inner ring is alleviated due to the point contact therebetween, thereby prolonging the lifespan of the micro motor. | 07-23-2009 |
| 20090322188 | SMALL-SIZED MOTOR - The present invention is used with a stopper mechanism for mechanically stopping the rotation of a motor. A pair of brushes is disposed such that a line which passes through the center of a rotor and connects the centers of the paired brushes is offset by a predetermined angle from a line which connects the centers of paired magnets. A commutator is disposed in such a manner as to be offset from a reference position by the same angle as the predetermined angle by which the paired brushes are offset. The predetermined angle falls within a range between an angle obtained by dividing 70° by the number of pairs of stator poles and an angle obtained by dividing 290° by the number of pairs of stator poles. Specifically, in the case of two stator poles, the predetermined angle falls within a range of 70° to 290° inclusive. In the case of four stator poles, the predetermined angle falls within a range of 35° to 145° inclusive. | 12-31-2009 |
| 20100013361 | ELECTRIC MOTOR AND ROTOR THEREFOR - An electric motor comprises: a rotor; a stator; and brush gear. The rotor has a shaft, a rotor core and a commutator fitted to the shaft. The rotor core has 5 | 01-21-2010 |
| 310041000 |
With mechanical starters | 2 |
| 20100117464 | ELECTRIC MOTOR STARTING DEVICE - An electric motor starting device for an electric motor that incorporates air, gas, liquid or electrically actuated engine starter to initiate rotation of an electric motor and its associated driven component. Embodiments of the present invention provide apparatus and method for starting an electric motor whether or not it is being used to drive any type of mechanical or electrical device, and are consistent with use as an alternative to or in conjunction with any electric motor starting method or technology. | 05-13-2010 |
| 20150372562 | MECHANICAL MOTOR SOFT START AND SYSTEMS AND METHODS RELATING THERETO - A system of providing a mechanical soft start of a load driven by an electrical motor is provided. The system includes, in addition to the rotor driven by the electric motor during normal operation, a drive belt coupled to both the electric motor and the rotor for communicating mechanical power from the electric motor to the rotor. The system further includes a secondary motor, and a primary roller coupled to the secondary motor, wherein the roller is selectively engaged with the drive belt during a mechanical soft-start to communicate mechanical power from the secondary motor to the rotor without requiring mechanical power from primary motor. | 12-24-2015 |
| Entries |
| Document | Title | Date |
|---|
| 20080252180 | Electricity Generating Playground Equipment and Method - An electricity generating playground device configured for recreational activity by children includes a playground device having a cyclically movable part. An electricity generator is operably coupled to the cyclically movable part, and operable to generate electricity when the cyclically movable part is moved through a cyclical motion. A duty cycle controller is operably coupled to the electricity generator, and operable to convert a predetermined portion of the kinetic energy of the cyclically movable part to usable electricity. | 10-16-2008 |
| 20090051253 | Printing Machine or Electrical Machine for a Printing Machine - There is described a printing machine or to an electrical machine for driving a cylinder of a printing machine, wherein the electrical machine has a primary part and a secondary part. The electrical machine has a disc-like primary part and a disc-like secondary part for forming a disc-shaped air gap or a cylindrical primary part and a cylindrical secondary part for forming a cylindrical air gap, wherein a primary part, which can be used for a linear motor, is also used for forming the cylindrical primary part. | 02-26-2009 |
| 20100039002 | OVERDRIVE GENERATOR - A motor includes a first layer including a first circular conductive winding having a first center portion and mounted to a first plurality of dowel rods connected to the first center portion of the first winding, a second layer including a center-piece element, a spindle, and an outside drive element, the outside drive element including at least one magnet, and a third layer including a second circular conductive winding having a second center portion and mounted to a second plurality of dowel rods connected to the second center portion of the second winding. | 02-18-2010 |
| 20130057116 | SEALED ROTATIONAL OUTPUT UNIT AND SEALED MOTOR ASSEMBLY - Provided with a sealed rotational output unit ( | 03-07-2013 |
| 20130140961 | SPINDLE MOTOR AND METHOD OF MANUFACTURING THE SAME - There is provided a spindle motor including: a sleeve rotatably supporting a shaft; a cover member installed on a lower end portion of the sleeve; and a bonding member disposed between the sleeve and the cover member such that the cover member is installed on the sleeve and formed of an anisotropic conductive material. | 06-06-2013 |
| 20180023533 | HYDROELECTRIC POWER GENERATION DEVICE FOR PIPELINE | 01-25-2018 |
| 20180026485 | ELECTRIC MOTOR ROTOR MECHANISM | 01-25-2018 |
| 20220140671 | ALTERNATOR WITH ROTOR LAMINATION STACK - A rotor core lamination is provided. The rotor core lamination includes a plurality of salient poles. Each of the salient poles includes: a pole body having a central axis in a radial direction of the rotor core lamination; and a pole shoe extending radially outward from the pole body, wherein the pole shoe has a pole shoe arc, and a central point of the pole shoe arc is offset from the central axis. | 05-05-2022 |
| 20090184607 | Micro motor structure - The present invention relates to a micro motor structure, which includes a hub, a rib structure, an inner ring, an outer ring and at least two micro actuators in which a top edge of the hub is projected outwards to form an upper lid having at least two protrusions in form of rectangular tooth, triangle or arc so that the upper lid is in point contact with the inner wall of the inner ring. As such, in spite of collision between the inner ring and the upper lid, when the micro actuators drive the rib structure, the inner ring and the outer ring to rotate, mutual abrasion between the upper lid and the inner ring is alleviated due to the point contact therebetween, thereby prolonging the lifespan of the micro motor. | 07-23-2009 |
| 20090322188 | SMALL-SIZED MOTOR - The present invention is used with a stopper mechanism for mechanically stopping the rotation of a motor. A pair of brushes is disposed such that a line which passes through the center of a rotor and connects the centers of the paired brushes is offset by a predetermined angle from a line which connects the centers of paired magnets. A commutator is disposed in such a manner as to be offset from a reference position by the same angle as the predetermined angle by which the paired brushes are offset. The predetermined angle falls within a range between an angle obtained by dividing 70° by the number of pairs of stator poles and an angle obtained by dividing 290° by the number of pairs of stator poles. Specifically, in the case of two stator poles, the predetermined angle falls within a range of 70° to 290° inclusive. In the case of four stator poles, the predetermined angle falls within a range of 35° to 145° inclusive. | 12-31-2009 |
| 20100013361 | ELECTRIC MOTOR AND ROTOR THEREFOR - An electric motor comprises: a rotor; a stator; and brush gear. The rotor has a shaft, a rotor core and a commutator fitted to the shaft. The rotor core has 5 | 01-21-2010 |
