Patent application number | Description | Published |
20100301689 | BRUSHLESS AC GENERATOR FOR VEHICLE - To provide a brushless AC generator for a vehicle, which is capable of improving a cooing performance for an excitation coil and increasing an output of electric power generation with a simple structure. | 12-02-2010 |
20110101803 | BRUSHLESS ROTARY ELECTRIC MACHINE - Provided is a brushless AC generator for a vehicle, with improved cooling performance for an exiting core and an exciting coil. In the brushless AC generator for the vehicle, a rotor includes: magnetic-pole cores fixed to a shaft; a cylindrical exciting core fixed to a rear bracket, the exciting core being inserted into one of the magnetic-pole cores; and an exciting coil formed by winding a conductor around a minor-diameter portion of the exciting core. The rear bracket includes: vent holes for the rotor, through which cooling air generated by rotation of a cooling fin passes, the vent holes for the rotor being formed around a bearing housing portion for housing a rear bearing therein; and a guiding portion including an air duct for guiding the cooling air, which has passed through the vent holes for the rotor, to the exciting core. | 05-05-2011 |
20120293039 | BRUSHLESS ALTERNATOR - A brushless alternator of the present invention includes: a yoke whose inner circumferential surface is radially opposite via an air gap to a rotor revolvably supported by brackets; a stat or supported by the brackets, for forming a magnetic circuit along with the rotor and the yoke; a bobbin for engaging with the outer circumferential surface of a thin portion of the yoke; a field coil wound around the bobbin, for producing magnetic flux; and a plate joined to the thin portion, for axially holding the bobbin; wherein the thin portion of the yoke and the other portion thereof are integrally formed in one piece using a single member. | 11-22-2012 |
20130062988 | VEHICULAR BRUSHLESS AC GENERATOR AND EXCITING-COIL BOBBIN UNIT THEREFOR - The vehicular brushless AC generator comprises: a bobbin disposed surrounding the axial end face of the thick ring portion of the yoke and the outer circumferential surface of the cylindrical portion so that an exciting coil can be wound thereon; a plate extending radially outwardly from an end of the cylindrical portion, for joining the bobbin to the yoke; and a stator disposed outside the rotor retaining an air gap, in which magnetic flux produced by the exciting coil propagates; wherein the bobbin is provided with a thick portion for extending a creeping distance, formed along the outer circumferential edge of the bobbin joined to the yoke. | 03-14-2013 |
20140153856 | AC GENERATOR FOR VEHICLE - In An AC generator for a vehicle in which a bearing is inserted into a bearing box formed in a bracket and the bearing is fixed and retained by a retainer, the retainer ( | 06-05-2014 |
20150162806 | ROTARY ELECTRIC MACHINE - Provided is a rotary electric machine capable of improving cooling performance for a stator coil and a stator core. In the rotary electric machine, an outer-side outer diameter portion ( | 06-11-2015 |
20150180315 | ROTARY ELECTRIC MACHINE FOR VEHICLE - An object of the present invention is to provide a rotary electric machine for vehicle which can improve workability and efficiently secure an attachment space at low cost. In a rotary electric machine according to the present invention, a terminal | 06-25-2015 |
Patent application number | Description | Published |
20110270512 | AUTOMATIC STOP AND RESTART DEVICE FOR AN ENGINE - Provided is an automatic stop and restart device for an engine that is capable of suppressing occurrence of an abnormal condition even if a transmission state is changed during an engine restart process after an engine restart condition is satisfied in an automatic engine stop process. A controller performs the automatic engine stop process and the engine restart process. If a determined state of a transmission is a drive range, a transmission state determination unit drives a pinion gear thrust unit at timing determined by a first pinion gear thrust timing determination unit. If the determined state of the transmission is a non-drive range, the transmission state determination unit drives the pinion gear thrust unit at timing determined by a second pinion gear thrust timing determination unit. | 11-03-2011 |
20120143418 | ELECTRICITY GENERATION CONTROL DEVICE FOR VEHICLE - An electricity generation control device calculates a virtual electricity generation efficiency where a transmission gear ratio of a continuously variable transmission is changed with a minute amount when an electricity generation condition by an engine drive is realized, changes the transmission gear ratio with a minute amount in a case where the virtual electricity generation efficiency is superior to a present electricity generation efficiency, calculates a virtual electricity generation efficiency where an engine drive torque and an electricity generation drive torque are changed with a minute amount, and changes the engine drive torque and the electricity generation drive torque in a case where the virtual electricity generation efficiency is superior to a present electricity generation efficiency, in which the minute amount change of the transmission gear ratio and the minute amount change of the engine drive torque and the electricity generation drive torque are alternatively performed. | 06-07-2012 |
20120270700 | ENGINE START CONTROL DEVICE - An engine start control device includes a mechanical pump supplying hydraulic pressure; an electric pump connected in parallel to the mechanical pump and independently driven; a device for stopping the engine when an idling stop condition is satisfied and starting the engine when a restart condition and a fuel injection condition are satisfied; a device for driving the electric pump when the hydraulic pressure is less than a first hydraulic pressure when the engine is stopped by idling stop; and a device for driving a motor at a target speed and for performing control so that the change in the target speed is small compared with the change exhibited when the hydraulic pressure is equal or higher than a second hydraulic pressure, when the hydraulic pressure is less than the second hydraulic pressure, and the restart condition is satisfied after the idling stop. | 10-25-2012 |
20120295757 | VEHICLE DRIVE CONTROL SYSTEM - A vehicle drive control system includes a motor coupled with the driving shaft of an internal combustion engine so that torque can be transmitted to the drive wheels when fuel supply to the engine is cut off. The vehicle travels in a creeping mode in this state while motoring of the engine is performed through driving force of the motor. When accelerator depression is detected, fuel injection into a cylinder waiting for the intake stroke of the engine is begun and the engine is started. The crank angle position at a time when fuel injection is started is utilized as a reference position. When the crankshaft of the engine rotates from the reference crank angle position to a predetermined crank angle position, driving by the motor is stopped and the vehicle is then driven by the engine. | 11-22-2012 |
20130119756 | POWER SOURCE MONITOR - A power source current control unit ( | 05-16-2013 |
20140379191 | VEHICLE POWER-GENERATOR DEVICE AND VEHICLE POWER-GENERATION CONTROL METHOD - A control device ( | 12-25-2014 |
Patent application number | Description | Published |
20130175882 | POWER GENERATOR, PORTABLE DEVICE, POWER GENERATION SCHEME IDENTIFYING SYSTEM, AND POWER GENERATION SCHEME IDENTIFYING METHOD - Consciousness of environmental conservation is increasing nowadays, and there are power generators for a portable device and employing power generation schemes without a co | 07-11-2013 |
20140155021 | RADIO COMMUNICATION SYSTEM, SERVER, AND MESSAGE NOTIFICATION METHOD - A server includes an area information retrieving unit that retrieves, when a phenomenon occurs, information indicating an area of the phenomenon; a subscriber information retrieving unit that retrieves subscriber information of a user terminal served by a base station in the area from a subscriber information management server that associates and manages, for each user terminal, subscriber information and serving base station information, based on the area information; a personal information checking unit that checks the personal information managed by a personal information database against the subscriber information retrieved by the subscriber information retrieving unit, and that identifies the user terminal including the personal information which includes the subscriber information; and a message transmitting unit that reports to the identified user terminal that a user of the user terminal which includes the subscriber information is in the area of the phenomenon. | 06-05-2014 |
20140241732 | TRANSMITTER, RECEIVER, AND METHOD - A feature of the present invention pertains to a transmitter for transmitting data by video, the transmitter including a transmission data control unit that distributes the data to multiple colors constituting the video, and a display unit that converts the distributed data into a sequence of a predetermined color value with respect to each of the multiple colors and lighting the multiple colors in a communication area on a display in accordance with the sequence of the color value. | 08-28-2014 |
20140329543 | RADIO COMMUNICATION DEVICE, RADIO COMMUNICATION SYSTEM, AND POSITION ESTIMATION METHOD - A radio communication device performs radio communication with a tag which includes a first short-range radio communication module, wherein the radio communication device includes a second short-range radio communication module that measures electric field strength of a radio wave from the tag, a sensor that detects a motion of the radio communication device, a location estimation unit that estimates a location of the tag, based on the electric field strength measured by the second short-range radio communication module, and the motion of the radio communication device detected by the sensor, and an output unit that outputs information indicating the location of the tag, wherein the location of the tag is estimated by the location estimation unit. | 11-06-2014 |