Patent application number | Description | Published |
20090254258 | CONTROL SYSTEM OF TRANSMISSION - A clutch control unit includes a clutch motor controller that controls a clutch motor. The clutch motor controller has a target clutch motor current computing unit that computes a target clutch motor current for adjusting torque of the clutch motor to be torque corresponding to an operating state of the vehicle, and a motor driving and braking selection unit that selects a motor driving mode in which the clutch motor is driven by applying feedback control on an output of the clutch motor or a motor braking mode in which the clutch motor is braked by short-circuiting the clutch motor according to a difference between the target clutch motor current and an actually detected clutch motor current. It thus becomes possible to provide a control system of a transmission that engages a clutch by a motor braking force in a manner that suits the running state of the vehicle. | 10-08-2009 |
20090265066 | CONTROL APPARATUS FOR TRANSMISSION - In a case where the end of a gear change has been decided by gear change end decision means for deciding if a transmission has undergone the gear change, the coil resistance value of a motor which manipulates the transmission is measured by coil resistance measurement means. The coil temperature of the motor is estimated from the measured coil resistance value of the motor by coil temperature estimation means. In a case where the estimated coil temperature of the motor has been decided to be predetermined temperature or above by high-temperature decision means, the speed change inhibition time period of the transmission is calculated by speed change inhibition time calculation means, and the speed change of the transmission is inhibited during the calculated speed change inhibition time period. | 10-22-2009 |
20090265068 | TRANSMISSION CONTROL APPARATUS - A transmission control apparatus detects a drop in power transmission performance of a clutch actuator, and prevents a failure thereof. When power transmission performance drop detecting means detects a drop in power transmission performance of a first clutch even if a power transmission instruction is given to a first clutch actuator, power transmission in a power transmission path through a first geared transmission mechanism is inhibited, and power transmission in a power transmission path through a second geared transmission mechanism is carried out. When the power transmission performance drop detecting means detects a drop in power transmission performance of a second clutch even if the power transmission instruction is given to a second clutch actuator, power transmission in the power transmission path through the second geared transmission mechanism is inhibited, and power transmission in the power transmission path through the first geared transmission mechanism is carried out. | 10-22-2009 |
20090289593 | CONTROL DEVICE FOR AUTOMATIC TRANSMISSION - A control device for an automatic transmission includes a current detecting unit for detecting motor current. The current detecting unit has a counter for counting variation number of a rotational position signal output from a rotational position detecting unit for detecting the rotational position of a motor, and an electrical angle 180° judging unit for judging rotation of electrical angle 180° of the motor. A voltage occurring in a current detecting resistor is sampled at a timing of each integral multiple of the electrical angle of 180° judged in the electrical angle 180° judging unit, and rotation of the motor is controlled in accordance with the difference between motor target current calculated in the motor target current calculating unit and motor current. | 11-26-2009 |
20100116074 | AUTOMATIC TRANSMISSION CONTROL APPARATUS - There is provided an automatic transmission control apparatus that secures the safety of a motor drive, even in the case where an abnormality exists in a unit that detects a voltage supplied to a motor control apparatus, and that neither deteriorates the controllability of the motor drive nor erroneously operates the transmission mechanism of the automatic transmission. | 05-13-2010 |
20100125395 | CONTROL DEVICE OF AUTOMATIC TRANSMISSION - A control device of a transmission is capable of instantaneously correcting a torque shortly after starting a motor, and properly correcting a gear operation shortly after starting (at transient time) even in case of coil temperature change. The device includes a gear change end determination unit, a motor stop determination unit, and a coil resistance estimation unit of estimating a coil resistance of the motor alternately by repeating at regular intervals a state of application of a predetermined voltage to the motor during stop before start of gear change and a state of no application; and when the motor is determined stop by the determination units, an initial value of a command voltage to be applied to the motor after start of gear change is corrected in a predetermined time period in accordance with a coil resistance value having been calculated by the coil resistance estimation unit. | 05-20-2010 |
20100241324 | CONTROLLER FOR AUTOMATIC TRANSMISSION - In an automatic transmission controller, a gear shift control unit has a target rotational angle position calculator for calculating a target rotational angle position of a gear shift motor, an actual rotational angle position calculator for calculating the actual rotational angle position of the gear shift motor, and an F/B gain setting unit. When a gear shift instruction from a gear shift controller is a gear shift pattern for driving at least a select motor, the F/B gain is set to be larger that of the gear shift pattern in which the select motor is not driven, and also a motor driving mode and a motor braking mode are switched to each other in accordance with the difference between the target rotational angle position and the actual rotational angle position. | 09-23-2010 |
20110202254 | ENGINE AUTOMATIC-STOP/RESTART SYSTEM - In an engine automatic-stop/restart system according to the present invention, in the case where an engine self-restoration determination unit determines that an engine can autonomously be restored, fuel supply by a fuel injection control unit is resumed so that the engine is autonomously restored; and in the case where the engine self-restoration determination unit determines that the engine cannot autonomously be restored, the fuel supply by the fuel injection control unit is resumed, and based on an engine rotation speed detected by the engine rotation speed detection unit, a pinion gear rotation speed detected by the pinion gear rotation speed detection unit, and the result of determination by the engine self-restoration determination unit, there is performed the energization or de-energization of the pinion gear driving unit and the starter motor. | 08-18-2011 |
20110239974 | INTERNAL-COMBUSTION-ENGINE AUTOMATIC STOP AND RESTART SYSTEM - An internal-combustion-engine automatic stop and restart system according to the present invention is provided with a restarting control unit that performs restarting control of the internal combustion engine by making the pinion pushing unit push out the pinion gear so as to engage the pinion gear with the ring gear, when the restarting condition is satisfied in a time period from a time instant when the automatic stopping condition is satisfied to a time instant when the rotation of the internal combustion engine stops; and a throttle valve control unit that opens the throttle valve even when the restarting condition has not been satisfied and stops control of the throttle valve in a time period from a time instant when the rotation of the internal combustion engine stops to a time instant when the restarting condition is satisfied, when the rotation speed of the internal combustion engine becomes lower than a predetermined value in a time period from a time instant when the automatic stopping condition is satisfied to a time instant when the rotation of the internal combustion engine stops. | 10-06-2011 |
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 |
20120109502 | ENGINE AUTOMATIC STOP AND RESTART APPARATUS - When an engine automatic stop judgment unit ( | 05-03-2012 |
20120271537 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE AND METHOD OF CONTROLLING INTERNAL COMBUSTION ENGINE - A control device for an internal combustion engine capable of controlling an intake-pipe pressure within a range which allows restartability to be ensured. A control device for an internal combustion engine includes: an idle-stop control section for restarting the engine in response to generation of a restart request; and an intake-air amount control section for setting a control amount of an intake system so that the intake air amount becomes zero when an intake-pipe pressure of the engine upon generation of the automatic stop request is higher than a predetermined pressure and setting the control amount of the intake system so that the intake air amount becomes larger than the amount upon generation of the automatic stop request, and then becomes zero when the intake-pipe pressure is lower than the predetermined pressure. | 10-25-2012 |
20120290194 | AUTOMATIC STOP/RESTART DEVICE FOR INTERNAL COMBUSTION ENGINE - The automatic/stop restart device includes a restart control module for performing restart control for the internal combustion engine by pushing out a pinion gear ( | 11-15-2012 |
20130289855 | ENGINE STARTING DEVICE AND ENGINE STARTING METHOD - Provided is an engine starting device, including: starter control means for causing, when the restart condition is established during a period in which a meshing inhibition condition for a ring gear and a pinion gear is established, the pinion gear and the ring gear to mesh with each other after the meshing inhibition condition is released, thereby restarting the engine. The starter control means determines the meshing permission condition and the meshing inhibition condition based on at least an engine rotation speed, and determines the release of the meshing inhibition condition before the engine completely stops based on at least one of the engine rotation speed and an elapsed time after the establishment of the meshing inhibition condition. | 10-31-2013 |
20140326208 | INTERNAL COMBUSTION ENGINE AUTOMATIC STOP/RESTART DEVICE AND INTERNAL COMBUSTION ENGINE AUTOMATIC STOP/RESTART METHOD - Provided are an internal combustion engine automatic stop/restart device and an internal combustion engine automatic stop/restart method capable of appropriately releasing a drive inhibition state of a starter ( | 11-06-2014 |
20140345556 | DEVICE FOR AUTOMATICALLY STOPPING AND RESTARTING INTERNAL COMBUSTION ENGINE - A device for automatically stopping and restarting an internal combustion engine is provided with a crank angle sensor ( | 11-27-2014 |
20150096535 | ENGINE STARTING DEVICE AND ENGINE STARTING METHOD - The engine starting device for stopping, when an engine automatic stop condition is satisfied, fuel injection to the engine to automatically stop the engine, and for thereafter restarting the engine when an engine restart condition is satisfied, includes: a ring gear coupled to a crankshaft of the engine; a starter motor rotated by a current supply; a pinion gear for transmitting the rotation of the starter motor to the ring gear; a pinion gear moving part for moving the pinion gear toward the ring gear by a current supply, thereby meshing the pinion gear with the ring gear; and a fuel injection control part for restarting the fuel injection so that combustion is generated in a predetermined compression cylinder after the engine restart condition is satisfied and after the pinion gear moving part starts the movement of the pinion gear. | 04-09-2015 |
Patent application number | Description | Published |
20110162503 | APPARATUS TO FORM PERFORATIONS - An apparatus of making perforations along which a package can be smoothly ripped includes a housing and a driving mechanism. Below a top wall of the housing, a top plate operatively is coupled to the driving mechanism. A blade assembly holding plate is attached to the bottom side of the top plate. Below the perforating blade assembly holding plate, there is provided a pressure plate including a base layer and a rubber layer, so that the blade holding plate is interposed between the pressure plate and the top plate. The pressure plate is formed with a slit extending therethrough in its thickness direction. Below the pressure plate, a loading plate is formed with a slit extending therethrough in its thickness direction and on which a film sheet can be loaded. Below the loading plate, a base plate is fixed to a bottom wall of the housing. | 07-07-2011 |
20130213570 | MANUFACTURING METHOD AND APPARATUS FOR COMPOSITE BODY OF CONTINUOUS SHEET ASSOCIATED WITH ABSORBENT ARTICLE AND MANUFACTURING METHOD FOR ABSORBENT ARTICLE - There is provided a manufacturing method for a composite body of a continuous sheet associated with an absorbent article, the composite body being manufactured by attaching a single-cut sheet to the continuous sheet at a predetermined attachment pitch. The method includes: holding the single-cut sheet by a holding section in surface-to-surface contact, the holding section moving along a path; weakening a holding force by which the single-cut sheet is held; exerting a suction force on the single-cut sheet through the continuous sheet, the suction force causing the single-cut sheet to be sucked toward the continuous sheet; and when the holding section passes a delivery position set on the path, separating the single-cut sheet from the holding section, and delivering the single-cut sheet to the continuous sheet by attaching the single-cut sheet to the continuous sheet without pinching the single-cut sheet between the holding section and the continuous sheet due to the weakening and the exerting, the continuous sheet being running through a neighboring position near the delivery position. | 08-22-2013 |
20130220541 | PRESSING APPARATUS ASSOCIATED WITH AN ABSORBENT ARTICLE, AND PRESSING METHOD - A pressing apparatus associated with an absorbent article, including: a pair of rollers that are driven and rotate with outer circumferential surfaces thereof facing each other, when a fibrous continuous sheet overlapped with an article to be overlapped with a thermoplastic adhesive therebetween is passed in a continuous direction of the fibrous continuous sheet through a roller gap between the pair of rollers, the pressing apparatus sandwiching and pressing the article to be overlapped and the fibrous continuous sheet between the outer circumferential surfaces, and a heating mechanism that heats at least a roller of the pair of rollers that is positioned on a side of the fibrous continuous sheet, the heating mechanism heating the roller so as to keep a temperature of the outer circumferential surface of the roller within a range from 70° C. to 120° C. | 08-29-2013 |
20130221558 | APPARATUS FOR MANUFACTURING ABSORBENT BODY AND METHOD FOR MANUFACTURING AIR-PERMEABLE MEMBER - An apparatus for manufacturing an absorbent body of an absorbent article by depositing a liquid absorbent material on an air-permeable member by passing an air that contains the liquid absorbent material in a thickness direction of the air-permeable member, the apparatus including: a plurality of plates that are stacked in the thickness direction, that constitutes the air-permeable member, each of which includes a plurality of air holes that penetrate the plate in the thickness direction and that allow the air to pass, and each of which includes a joining portion for joining to an adjacent plate in the thickness direction in a portion of the plate in which the air holes are not formed, the plurality of air holes of each of the plates being arranged so as to communicate with corresponding air holes of an adjacent plate in the thickness direction, corresponding air holes of all the plates stacked in the thickness direction having a same shape. | 08-29-2013 |
20130296819 | ABSORBENT STRUCTURE AND ABSORBENT WEARING ARTICLE USING THE SAME - An absorbent structure that includes a first region, a second region and a central region extending between the first and second regions, the first region and part of the central region are formed with a thick segment. The second region is formed with a thin segment having a thickness dimension smaller than that of the thick segment. Between the thick segment and the thin segment, a thickness-sloped segment having a thickness dimension gradually reduced from the side of the first region toward the second region and the thin segment and at least a region of the thickness-sloped segment being adjacent to the thin segment are debossed. | 11-07-2013 |