Patent application number | Description | Published |
20100052438 | ACCESSORY DRIVE SYSTEM - An accessory drive system which is capable of preventing the driving efficiency thereof from being lowered and achieving simplified construction, and reduction of the size and manufacturing costs. The system has a rotating machine including a first rotor, a second rotor, and a stator. The first rotor is formed by magnetic poles circumferentially arranged, with each two adjacent ones having different polarities. The stator has an armature row for generating a rotating magnetic pole that circumferentially rotates, between the armature and magnetic pole rows. The second rotor is formed by soft magnetic material elements circumferentially arranged with space, and disposed between the magnetic pole and armature rows. A ratio between the number of the armature magnetic poles, that of the magnetic poles, and that of the soft magnetic material elements is set to 1:m:(1+m)/2(m≠1.0). | 03-04-2010 |
20100308674 | MAGNETIC MACHINE - To provide a magnetic machine capable of reducing the ripple and cogging of torque or thrust. An electric motor | 12-09-2010 |
20110001364 | ELECTRIC MOTOR - To provide an electric motor which is capable of reducing the size and manufacturing costs thereof, and enhancing the degree of freedom in design thereof. An electric motor | 01-06-2011 |
20110034282 | POWER PLANT - A power plant which is capable of enhancing the driving efficiency and the power-generating efficiency thereof. In the power plant | 02-10-2011 |
20110109179 | POWER PLANT - A power plant which is capable of reducing the size and costs thereof and attaining high driving efficiency. In the power plant | 05-12-2011 |
20110109180 | POWER PLANT - To provide a power plant which makes it possible to make the power plant more compact in size, reduce manufacturing costs thereof, and improve the degree of freedom in design. The power plant | 05-12-2011 |
20120122629 | POWER PLANT - A power plant which is capable of preventing losses due to power circulation and enhancing driving efficiency thereof in an EV operation mode. In the power plant | 05-17-2012 |
20120202645 | POWER PLANT - A power plant that is capable of attaining downsizing and reduction of manufacturing costs and enhancing the degree of freedom in design thereof. In the power plant | 08-09-2012 |
Patent application number | Description | Published |
20100156330 | APPARATUS FOR CONTROLLING PERMANENT-MAGNET ROTARY ELECTRIC MACHINE - It is an apparatus for controlling a permanent magnet rotary electric machine. After the apparatus controls a current control portion in a state, in which a rotor of the permanent magnet rotary electric machine rotates at a constant speed, to supply a predetermined current to an armature, the apparatus performs a dq vector control process by determining a predetermined temporarily set value as a magnetic pole position correction quantity while a d-axis current command value and a q-axis current command value in the dq vector control process performed on a dq coordinate system that has a d-axis extending in the direction of a magnetic field of the permanent magnet of the rotor and a q-axis extending in a direction perpendicular to the d-axis. Then, the apparatus obtains the magnetic pole position correction quantity based on a predetermined operation expression using the d-axis voltage command value and the q-axis voltage command value which are obtained when the dq vector control process is performed. | 06-24-2010 |
20120194108 | MOTOR SYSTEM - A motor system comprises a motor ( | 08-02-2012 |
20120197475 | HYBRID VEHICLE - A hybrid vehicle is driven by a power unit which includes: a first rotating machine including a first rotor, a first stator, and a second rotor, wherein the number of magnetic poles generated by an armature row of the first stator and one of the first rotor and the second rotor are connected to a drive shaft; a power engine, wherein an output shaft of the power engine is connected to the other of the first rotor and the second rotor; a second rotating machine; and a capacitor. The hybrid vehicle includes: a state detector that detects a charge state of the capacitor; and a controller that controls the power unit. The controller controls the output of the power engine, based on a remaining capacity of the capacitor when driving the power engine in order to start the hybrid vehicle. Accordingly, it is possible to achieve reduction in the size and cost of the power unit and enhance the driving efficiency of the power unit. | 08-02-2012 |
20120203414 | HYBRID VEHICLE - A hybrid vehicle is driven by a power unit which includes: a first rotating machine including a first rotor, a first stator, and a second rotor, wherein the number of magnetic poles generated by an armature row of the first stator and one of the first rotor and the second rotor are connected to a drive shaft; a power engine, wherein an output shaft of the power engine is connected to the other of the first rotor and the second rotor; a second rotating machine; and a capacitor. A traveling mode of the hybrid vehicle includes an EV traveling mode and an ENG traveling mode, wherein the hybrid vehicle travels with a motive power from at least one of the first rotating machine and the second rotating machine in the EV traveling mode, and the hybrid vehicle travels with a motive power from the power engine in ENG traveling mode. The hybrid vehicle includes: an EV traveling mode predicting unit that predicts a switching from the ENG traveling mode to the EV traveling mode; and a controller that controls a remaining capacity of the capacitor in accordance with prediction result obtained by the EV traveling mode predicting unit so as to change a target value of the remaining capacity. Accordingly, it is possible to achieve reduction in the size and cost of the power unit and enhance the driving efficiency of the power unit. | 08-09-2012 |
20120203415 | HYBRID VEHICLE - A hybrid vehicle is driven by a power unit which includes: a first rotating machine including a first rotor, a first stator, and a second rotor, wherein the number of magnetic poles generated by an armature row of the first stator and one of the first rotor and the second rotor are connected to a drive shaft; a power engine, wherein an output shaft of the power engine is connected to the other of the first rotor and the second rotor; a second rotating machine; a capacitor; and a transformer that steps up an output voltage of the capacitor. The hybrid vehicle includes: a voltage demand calculator that calculates a voltage demand required for each of the first rotating machine and the second rotating machine in accordance with an operating condition of the hybrid vehicle; a step-up execution determining unit that allows the transformer to step up the voltage, when at least one of the voltage demand of the first rotating machine and the voltage demand of the second rotating machine is higher than a first threshold value; and a controller that controls the transformer in accordance with the result determined by the step-up execution determining unit. Accordingly, it is possible to achieve reduction in the size and cost of the power unit and enhance the driving efficiency of the power unit. | 08-09-2012 |
Patent application number | Description | Published |
20080217786 | Semiconductor device and method of manufacturing semiconductor device - According to one embodiment of the present invention, a method of manufacturing a semiconductor device includes below steps. | 09-11-2008 |
20090008693 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SAME - A technique for enhancing the performance of a memory- and logic-equipped semiconductor device is provided. The semiconductor device comprises a semiconductor substrate ( | 01-08-2009 |
20100159690 | METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE THAT USES BOTH A NORMAL PHOTOMASK AND A PHASE SHIFT MASK FOR DEFINING INTERCONNECT PATTERNS - According to one embodiment of the present invention, a method of manufacturing a semiconductor device includes below steps. | 06-24-2010 |
20110095349 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SAME - A technique for enhancing the performance of a memory- and logic-equipped semiconductor device is provided. The semiconductor device comprises a semiconductor substrate ( | 04-28-2011 |
20120056302 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SAME - A technique for enhancing the performance of a memory- and logic-equipped semiconductor device is provided. The semiconductor device comprises a semiconductor substrate, and insulating layer on the semiconductor substrate, a plurality of contact plugs in the insulating layer, and an insulating layer where capacitors, a plurality of contact plugs, barrier metal layers and copper interconnections are formed. Source/drain regions in the upper surface of the semiconductor substrate are electrically connected to the copper interconnections. One of adjacent source/drain regions in the upper surface of the semiconductor substrate is electrically connected to the copper interconnection, while the other is electrically connected to the capacitor. | 03-08-2012 |
20140252441 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SAME - A technique for enhancing the performance of a memory- and logic-equipped semiconductor device is provided. The semiconductor device comprises a semiconductor substrate, and insulating layer on the semiconductor substrate, a plurality of contact plugs in the insulating layer, and an insulating layer where capacitors, a plurality of contact plugs, barrier metal layers and copper interconnections are formed. Source/drain regions in the upper surface of the semiconductor substrate are electrically connected to the copper interconnections. One of adjacent source/drain regions in the upper surface of the semiconductor substrate is electrically connected to the copper interconnection, while the other is electrically connected to the capacitor. | 09-11-2014 |