Patent application number | Description | Published |
20090021104 | Securing Structure For Stator and Electric Vehicle - A securing structure for a stator includes the stator having a stator core, and a housing having an opening portion containing the stator core, and the housing includes a portion A where the clearance between the inner circumferential surface of the opening portion and the stator core is relatively smaller and the inner diameter of the opening portion is constant, and a portion B located adjacent to the portion A in the axial direction of the stator core where the clearance between the inner circumferential surface of the opening portion and the stator core is relatively larger. | 01-22-2009 |
20090146589 | Motor Control Device and Vehicle Including the Same - A current instruction generation unit generates a d-axis current instruction and a q-axis current instruction based on a torque instruction for an AC motor, using a map in which a current instruction capable of lowering noise (vibration and sound noise) (low-noise current instruction) generated from the AC motor is determined in advance for each torque of the AC motor. Then, a signal for driving an inverter is generated based on the generated d-axis current instruction and the q-axis current instruction. | 06-11-2009 |
20120242186 | FIXING STRUCTURE FOR STATOR CORE AND ROTATING ELECTRIC MACHINE INCLUDING THE SAME - A fixing structure for a stator core includes a stator core, a ring member fitting on the stator core, and a case covering the stator core and the ring member. The case includes a fixing portion fixing the ring member, and a fitting portion fitting on the ring member. | 09-27-2012 |
20130026955 | ELECTRIC MOTOR CONTROL DEVICE - First and second inverters are each controlled based on pulse width modulation using a carrier signal. In order to decrease the noise caused by the first inverter and the second inverter, a frequency of a carrier signal of the first inverter and a frequency of a carrier signal of the second inverter are controlled. The frequency of the carrier signal of the first inverter is changed periodically or randomly within a first preset frequency range as time elapses. The frequency of the carrier signal of the second inverter is changed periodically or randomly within a second preset frequency range to avoid overlapping the first frequency range. | 01-31-2013 |
20140035415 | MOTIVE POWER TRANSMISSION DEVICE - A motive power transmission device capable of suppressing deformation of matching surfaces of cases is provided. A motive power transmission device is used as a transmission for a hybrid vehicle containing a first rotating electric machine and a second rotating electric machine as two rotating electric machines. The first rotating electric machine and the second rotating electric machine each serving as a motor/generator are housed in independent first case and second case, and the both are coupled to constitute the transmission for a hybrid vehicle. A first stator and a second stator are fastened and fixed to the first case and the second case on sides opposite to a first matching surface and a second matching surface. | 02-06-2014 |
20140159538 | COIL WIRE FOR ROTATING ELECTRICAL MACHINE AND COIL BODY - A coil wire for a rotating electrical machine forms a coil body wound on teeth of a stator for the rotating electrical machine and includes an element wire assembly and a covering member. The element wire assembly has a plurality of element wires coated with insulation and bound together. The covering member is an electrical conductive member covering around the element wire assembly and provided with a conductive side surface and a slit. The conductive side surface is a surface with which magnetic flux from the teeth is linked when the coil wire is wound on the teeth. The slit is provided on the conductive side surface along a longitudinal direction of the coil wire, and the slit extends from an inner peripheral side to an outer peripheral side of the coil body in an coil end of the coil body. | 06-12-2014 |
20140175927 | DRIVE DEVICE FOR ELECTRIC VEHICLE - An electric vehicle drive device includes a casing; and a plurality of motor generators mounted in the casing, each of the motor generators including a plurality of fastening portions at which a stator of the motor generator is fixed to the casing, and a number of the fastening portions of one of the motor generators being coprime to a number of the fastening portions of at least one of the rest of the motor generators. | 06-26-2014 |
20140191696 | ROTATING ELECTRIC MACHINE AND METHOD FOR CONTROLLING THE ROTATING ELECTRIC MACHINE - A rotary electric machine includes a rotor that is arranged such that an axis of rotation of the rotor extends in a horizontal direction, a stator that is provided with an coil end on which coolant is supplied from a position above the coil end in a direction of gravitational force, and a temperature sensor that is arranged on an outer peripheral face of the coil end at a position near a horizontal plane that includes the axis of rotation of the rotor. When the flow rate of the coolant is below a threshold the temperature sensor measures the coil temperature. When the flow rate of the coolant is above a threshold, so that coolant is in direct contact with the temperature sensor, it measures the coolant temperature. | 07-10-2014 |
20150188366 | STATOR OF A ROTARY ELECTRIC MACHINE - A stator of a rotary electric machine includes a stator core, coils and magnetic bodies. The stator core includes a plurality of teeth protruding towards the rotor and being spaced apart from each other and a plurality of slots arranged between two adjacent teeth. The coils are formed out of coil bodies being stacked in radial direction, thus the direction into which the teeth are extending, and are wound inside of slots around the teeth. The magnetic bodies are arranged between adjacent coil bodies. The thickness of the magnetic bodies in radial direction increases with increasing length of the tooth or with decreasing distance towards the air gap between rotor and stator. | 07-02-2015 |
20150244233 | STATOR OF ROTATING ELECTRIC MACHINE - A stator of a rotating electric machine includes plural slots disposed in a circumferential direction of a stator core, and a coil body formed by a coil that is disposed as a single conductor in the slot in the circumferential direction of a stator core and that is wound for plural turns in the slot in a radial direction of a stator core. The coil has a flat conductor section, a magnetic body layer provided around the flat conductor section, and an insulating film provided around the magnetic body layer. | 08-27-2015 |
Patent application number | Description | Published |
20120023538 | BROADCASTING RECEIVER, BROADCASTING RECEIVER CONTROL METHOD, BROADCAST STATION IDENTIFYING METHOD, BROADCASTING RECEIVER CONTROL PROGRAM, AND BROADCAST STATION IDENTIFYING PROGRAM - A selected station is identified from the current position and the reception frequency of that selected station (S | 01-26-2012 |
20120033765 | RECEPTION DEVICE, PROGRAM, AND RECEPTION METHOD - A reception device provided with a broadcast reception unit which receives a broadcast at an instructed frequency, reproduces the broadcast, and outputs the result (steps | 02-09-2012 |
20130197802 | INFORMATION PROCESSING APPARATUS, NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM, AND INFORMATION PROCESSING METHOD - An information processing apparatus includes a position detecting unit detecting a position, an explanation information storage unit storing explanation position information and explanation information, a generation unit extracting the explanation information corresponding to a first explanation position from the explanation information storage unit and generating the extracted explanation information with a sound when the first explanation position is detected within a first distance from the detected position, and a group determining unit determining whether or not the first explanation position belongs to the same group as a second explanation position when the second explanation position is detected within the first distance from the detected position after the generation unit starts the generating of the explanation information corresponding to the first explanation position with a sound, wherein the generation unit continues to reproduce the explanation information with a sound when both explanation positions belong to the same group. | 08-01-2013 |
20140309926 | MAP PREPARATION APPARATUS AND COMPUTER-READABLE MEDIUM - A map preparation apparatus includes a position information acquisition section, an input information acquisition section, and a selection section. The position information acquisition section acquires position information of a user who is moving. The input information acquisition section acquires input information including a date and time when the user starts moving and a date and time when the user finishes moving. The selection section selects map information from preregistered map information on the basis of the position information acquired by the position information acquisition section and on the basis of the input information acquired by the input information acquisition section. The selected map information includes a route in a ratio equal to or larger than a predetermined ratio. The route is taken from the date and time when the user starts moving to the date and time when the user finishes moving. | 10-16-2014 |