Patent application number | Description | Published |
20090121577 | Stator core, motor, and method of manufacturing stator - A stator core installed around the rotating shaft of a motor, comprising a plurality of split cores split in the circumferential direction. The split core is formed of a compressed powder magnetic core. To connect the split core to the adjacent split core, hole parts of rectangular parallelepiped shape are formed in the upper end surfaces thereof. A connection between the split cores is performed by press-fitting a clamp into the hole parts. As a result, the split stators can be compactly integrated with each other. | 05-14-2009 |
20090121820 | Core and method for producing core - Disclosed is a highly heat-resistant core which has a dust core as a base body. A dust core obtained by press-molding magnetic powder particles particles each of which are covered with an insulating film is used as the base body. An inorganic heat-resistant insulating film is formed on at least a part of a surface of the dust core which faces a winding wire. | 05-14-2009 |
20090273245 | STATOR AND MOTOR - A stator core is formed by arranging divided cores ( | 11-05-2009 |
20100072865 | VEHICLE DRIVE DEVICE - A vehicle drive device includes a motor generator (MG | 03-25-2010 |
20100075218 | BATTERY UNIT - A battery unit includes a casing, bipolar batteries as a plurality of stacked type batteries housed in the casing, and a plug. The bipolar battery is formed by stacking a plurality of battery elements each having sheet electrodes on opposite sides of an electrolyte, and has collectors. The plug is detachably inserted between the bipolar batteries, and electrically connects bipolar batteries. | 03-25-2010 |
20100156204 | Stator core, motor using the stator core, and method of manufacturing the stator core - A stator core includes a pressurized powder core section which is produced by compression-molding a magnetic powder covered by an insulation coating. At least a portion of the pressurized powder core section forms at least a part of a winding slot section around which a winding is wrapped. The pressurized powder core section comprises a winding guide groove which prevents the winding from deviating along the extending direction of the winding slot section. As a result, a space factor of the winding can be increased, to thereby further improve motor output. | 06-24-2010 |
20100207466 | ROTATING ELECTRIC MACHINE - A rotating electric machine includes an annular stator including a coil formed by winding a part of a coil wire around a stator core, and the coil wire includes the coil wound around stator teeth, a terminal portion drawn out from one end portion of the coil over a yoke portion, and a wiring drawn out from the other end portion of the coil over the yoke portion and connected to a terminal portion of another coil wire including another coil provided at a distance from the coil in a circumferential direction of the stator. | 08-19-2010 |
20110169353 | ROTATING ELECTRIC MACHINE - A motor generator serving as a rotating electric machine includes: a rotor; a rotor shaft rotating with the rotor; and end plates and provided at opposite ends, respectively, of the rotor. The rotor shaft has oil channels and provided independently of each other and passing oil therethrough. The end plates and have oil channels and communicating with the oil channels and, respectively, and guiding oil to the rotor. The oil channels and are formed so as to avoid passing oil in a stream having vector components facing one another, as seen in the axial direction of a center axis, on the route of the channels. The oil channels and are formed so as to avoid passing oil in a stream having vector components facing one another, as seen in the axial direction of the center axis, on the route of the channels. The rotating electric machine thus allows the rotor to be cooled uniformly. | 07-14-2011 |
20120017425 | STATOR AND METHOD FOR MANUFACTURING THE SAME - A stator core is fixed by a centering jig, and in this state, a fixing hole is formed in a flange portion provided on a fastening ring for the stator core, using a central position as a reference for positioning, by drilling with a drill. The fixing hole is opened to be located at a distance relative to the central position. In a plan view, the fixing hole is opened at a predetermined central angle interval (for example, intervals of 120°) relative to the central position. | 01-26-2012 |
Patent application number | Description | Published |
20110279112 | VARIABLE RELUCTANCE RESOLVER AND METHOD OF PRODUCING THE VARIABLE RELUCTANCE RESOLVER - A variable reluctance resolver includes a rotor that rotates about a rotational axis, a plurality of detection coils that detect rotation of the rotor, and a magnetic member that magnetically connects adjacent ones of the detection coils to each other. The magnetic member includes a pair of body portions around which the detection coils are wound, and a connection portion that connects the pair of body portions to each other. Both the body portions and the connection portion have a thin flat shape. The body portions are flat so that a direction of extension of the flat shape is along a rotational axis direction, and the magnetic member has a U shape as viewed from the rotational axis direction. | 11-17-2011 |
20120139378 | ROTOR AND METHOD OF MANUFACTURING ROTOR - A rotor that can reduce the used amount of resin for securing a permanent magnet is provided. The rotor includes a rotor core provided fixedly to a rotation shaft and having a magnet insertion hole extending in an axial direction formed therein, a permanent magnet embedded in the magnet insertion hole and extending in the axial direction and extending in a direction inclined relative to a radial direction of the rotor core, and a resin layer that secures the permanent magnet to the rotor core. The resin layer covers a surface of the permanent magnet and is in contact with an inner surface of the magnet insertion hole. A hollow space extending in the axial direction is left in the magnet insertion hole at an inner side in the radial direction relative to the permanent magnet. Part of the inner surface of the magnet insertion hole is exposed to the hollow space. | 06-07-2012 |
20120306311 | STATOR AND ROTATING ELECTRIC MACHINE - Provided is a stator that can reduce iron loss and ensure a fastening force for stator core segments. The stator of a generally hollow cylindrical shape includes a plurality of stator core segments arranged adjacent to one another in a circumferential direction of the stator and each having an outer surface on the outer side in a radial direction of the stator, and the same number of curved members as the stator core segments, the curved members extending in the circumferential direction, and each having a projecting portion curved to project toward the outer surface, contacting the outer surface and pressing the outer surface inward in the radial direction of the stator. | 12-06-2012 |
20120306312 | ROTATING ELECTRIC MACHINE - An external cylindrical ring for use in this rotating electric machine includes a body portion and a flange, the body portion including a fastening region making internal contact with an outer circumferential surface of a stator core to be fastened to the outer circumferential surface of the stator core, and a skirt region located at a bottom surface side of a casing and having an inner diameter larger than an inner diameter of the fastening region. When the external cylindrical ring is fastened to the stator core, the deformation of the skirt region of the external cylindrical ring can be suppressed, thus enabling the dimensional accuracy of an outer surface of a cylindrical skirt region of the external cylindrical ring to fall within tolerance. | 12-06-2012 |
20130006460 | ELECTRIC AUTOMOBILE - An electric vehicle includes: a second drive motor that is coupled to drive wheels to rotationally drive the drive wheels; a compressor that activates an air conditioner; a first drive motor that can drive the compressor; a planetary gear device that includes a first rotary element to which the second drive motor is coupled, a second rotary element to which the compressor is coupled, and a third rotary element to which the first drive motor is coupled; and a brake that selectively couples the compressor to a non-rotary member when the brake is engaged. | 01-03-2013 |
20130038270 | SECONDARY BATTERY OUTPUT POWER CONTROLLER - An output power controller in a system having two or more secondary batteries connected in parallel. A battery ECU transfers all the stored electric charge from one secondary battery to another secondary battery when battery temperature and state of charge (SOC) are so low that an output power requirement cannot be satisfied. The SOC of the secondary battery increases by the transfer of the stored electric charge and output power sufficient for the output power requirement can be obtained. Further, the secondary batteries are heated by thermal energy generated by the transfer of the stored electric charge. | 02-14-2013 |
Patent application number | Description | Published |
20140132071 | POWER LEVELING CONTROL DEVICE AND POWER LEVELING CONTROL METHOD - The processor of a power leveling control device acquires electric cell residue of an electric cell device in each monitoring time, calculates an electric cell residue representative value representing a transition of an electric cell residue in the period based on an acquired electric cell residue, and determines a variation with respect to the current leveling target value based on the electric cell residue representative value. The processor determines a leveling target value changed by the determined variation for power leveling for use in the next period, and controls the power to be supplied from a power supply and an electric cell device to a load based on the leveling target value for power leveling in the next period. Thus, the leveling control may be performed depending on the power supply and the power use situation of a load. | 05-15-2014 |
20140347322 | DRIVE CONTROLLING APPARATUS, ELECTRONIC DEVICE AND DRIVE CONTROLLING METHOD - A drive controlling apparatus that drives a vibrating element of an electronic device including a display panel, a touch panel disposed on a display surface side of the display panel and the vibrating element generating a vibration in a manipulation input surface of the touch panel, includes a drive controlling part being configured to drive the vibrating element by using a driving signal causing the vibrating element to generate a natural vibration in an ultrasound-frequency-band in the manipulation input surface, the drive controlling part being configured to drive the vibrating element so that an intensity of the natural vibration varies in accordance with a position and a temporal change degree of the position of a manipulation input performed onto the manipulation input surface. | 11-27-2014 |
20150054769 | DRIVING DEVICE, ELECTRONIC DEVICE, AND DRIVE CONTROL PROGRAM - A driving device includes a storage unit configured to store waveform data of driving signals for stopping excitation of an actuator at a sinusoidal wave of a resonance frequency of the actuator, at portions other than a center point of an amplitude of the sinusoidal wave; and a processor programmed to execute a process including reading the waveform data stored in the storage unit and outputting, to the actuator, the driving signals corresponding to the waveform data that has been read. | 02-26-2015 |
20150054770 | DRIVING DEVICE, ELECTRONIC DEVICE, AND DRIVE CONTROL PROGRAM - A driving device includes a storage unit configured to store waveform data of driving signals of a sinusoidal wave satisfying a frequency f1=m/n×f0 (m, n are natural numbers and m≠n) where a resonance frequency of an actuator is f0, wherein the driving signals excite the actuator for an m number of times; and a processor programmed to execute a process including reading the waveform data stored in the storage unit and outputting, to the actuator, the driving signals corresponding to the waveform data that has been read. | 02-26-2015 |
20150054808 | DRIVING DEVICE, ELECTRONIC DEVICE, AND DRIVE CONTROL PROGRAM - A driving device includes a storage unit configured to store waveform data of driving signals whose phase is shifted by π/2 from a sinusoidal wave satisfying a frequency f1=m/n×f0 (m, n are natural numbers, and m≠n) where a resonance frequency of. an actuator is f0, wherein the; driving signals excite the actuator for an m number of times and stop exciting the actuator at a point other than a center point of amplitude; and a processor programmed to execute a process including reading the waveform data stored in the storage unit and outputting, to the actuator, the driving signals corresponding to the waveform data that has been read. | 02-26-2015 |