Patent application number | Description | Published |
20090011887 | Hybrid Driving Apparatus, and Control Method Thereof - In a hybrid driving apparatus, a gear mechanism ( | 01-08-2009 |
20110063058 | ELECTROMAGNETIC ACTUATOR - In an electromagnetic actuator, an electromagnetic drive section forms a flux path between a plunger and an inner yoke, each member being made of magnetic material, and which drives the plunger in an axial direction through electromagnetic force, an operation section has a dog movable between a connection position where it is connected with a mating part and a release position where it is apart from the mating part in the axial direction, and which restrains movement of the mating part in a circumferential direction when the dog is at the connection position, and a retaining ring is interposed between the plunger and the dog such that relative movement of the dog to the plunger in the circumferential direction is permitted and relative movement of the dog to the plunger in the axial direction is restricted. | 03-17-2011 |
20110143875 | VEHICULAR DRIVE APPARATUS - In a drive apparatus in which a first motor-generator, a power split device, a shift mechanism, and a second motor-generator are coaxially arranged, a first support wall which is next to the second motor-generator and supports one end of a rotor, and a second support wall that supports the other end of the rotor are provided in a case. A switching portion of the shift mechanism is provided on the first support wall. This kind of structure enables the drive apparatus to be shorter in the axial direction. | 06-16-2011 |
Patent application number | Description | Published |
20090131216 | CONTROLLER FOR VEHICLE DRIVE DEVICE - A vehicle drive unit control system. The vehicle includes a prime mover arranged on a power transmission route from a continuously variable transmission to a wheel, a clutch mechanism arranged on a first route from the prime mover to the wheel, and a shift range or shift position can be shifted selectively between a drive range or drive position where a power can be transmitted through the first route and a non-drive range or non-drive position where a power cannot be transmitted through the first route. The control system includes a vehicle speed control demand judging mechanism judging a vehicle speed control demand in case of shifting the shift range or shift position from the non-drive range or non-drive position to the drive range or drive position; and a prime mover controller controlling torque of the prime mover based on the judged vehicle speed control demand. | 05-21-2009 |
20090137360 | CONTROLLER OF VEHICLE DRIVING DEVICE - To execute a manual speed change to apply an engine brake in good response, and to ensure sufficient braking force in a drive unit having a continuously variable speed change unit and a geared speed change unit. | 05-28-2009 |
20090236159 | HYBRID VEHICLE DRIVE DEVICE CONTROL DEVICE - A control system for a drive unit of a hybrid vehicle, which is capable of preventing an uncomfortable feeling, when a vehicle is driven by a power of an electric motor. The control system includes an electric motor, another power unit other than the electric motor, and a transmission, including a speed change inhibiting mechanism for inhibiting a speed change operation of the transmission in case the vehicle is run by a power of the electric motor. | 09-24-2009 |
20090291801 | CONTROLLER OF VEHICLE DRIVING DEVICE - A control system for a drive unit of a vehicle, in which a power distribution mechanism is arranged on a route from a prime mover to a wheel, and a transmission is arranged on an output side of the power distribution mechanism. The control system includes a revolution frequency controller that restrains a variation in a revolution frequency of the prime mover by controlling a revolution frequency of the reaction force establishing device until a predetermined time elapses since a commencement of a shifting operation of the transmission. The control system is capable of restraining a variation in an output torque, in case of carrying out a shifting operation of a transmission arranged on an output side of a prime mover. | 11-26-2009 |
20100032218 | HYBRID DRIVE UNIT - A hybrid drive unit includes a power distribution mechanism for distributing a power from an engine to a first electric motor and to an output shaft; a transmission, which is arranged between the output shaft and a second electric motor in a manner to transmit a torque therebetween, and which is capable of setting an overdrive ratio where a speed of the output shaft is higher than that of a predetermined input element; and an engagement mechanism for connecting the engine selectively with the input element of the transmission, and for setting a speed change ratio of the transmission to the overdrive ratio. The hybrid drive unit is capable of setting an overdrive mode and is easy to be downsized. | 02-11-2010 |
20100173746 | POWER TRANSMISSION UNIT - A power transmission unit, which includes: an engine; a plurality of speed change gear pairs, each of which has a different gear ratio, and to which a power outputted from the engine is transmitted; an output member outputting the power transmitted from any of the selected speed change gear pair; a differential mechanism, which has three rotary elements to perform a differential action, and in which a first rotary element of the three rotary elements is connected with the engine; and an electric motor, connected with a second rotary element of the three rotary elements; and wherein the plurality of speed change gear pairs include a first gear pair adapted to be connected with the first rotary element and the output member, and a second gear pair adapted to be connected with a third rotary element of the three rotary elements and the output member. The power transmission unit can reduce a power loss, and is downsized to be mounted on a vehicle easily. | 07-08-2010 |
20100197436 | POWER TRANSMISSION UNIT FOR VEHICLE - A power transmission unit including: a first prime mover; speed change gear pairs; output members; a differential mechanism, which has a first rotary element connected with the first prime mover, a second rotary element, and a third rotary element selectively outputting the power to the output member, and adapted to perform a differential action among those three rotary elements; and a second prime mover connected with the second rotary element. The speed change gear pair includes at lease one pair of first speed change gear pair, arranged between the first rotary element and the output member and allowed to transmit the torque selectively, and at least one pair of second speed change gear pair arranged between the third rotary element and the output member and allowed to transmit the torque selectively. A locking mechanism locks the second prime mover selectively to halt a rotation of the second prime mover. | 08-05-2010 |
Patent application number | Description | Published |
20100038157 | POWER OUTPUT APPARATUS AND HYBRID VEHICLE - The hybrid vehicle includes an engine; a motor capable of inputting power and a motor capable of outputting power; a power distribution and integration mechanism including a sun gear connected to the inputting motor, a carrier connected to the outputting motor, and a ring gear connected to the engine; and a transmission capable of selectively transmitting power outputted through the sun gear and a first motor shaft and power outputted through the carrier and a carrier shaft to a drive shaft with a change in speed ratio as well as having a clutch and a fixing member for non-rotatably fixing the sun gear of the power distribution and integration mechanism. | 02-18-2010 |
20110113782 | POWER TRANSMITTING APPARATUS AND POWER TRANSMITTING APPARATUS ASSEMBLY METHOD - A power transmitting apparatus is provided with an electric motor shaft that is connected to a rotor of an electric motor, an input shaft arranged parallel to the electric motor shaft and transmits power to and from an internal combustion engine positioned on one side in the axial direction, an input shaft rotating member provided on an end portion of the input shaft that is on the side opposite the internal combustion engine side and transmitting at least one of the power from the input shaft or the power from the electric motor shaft to a drive shaft of a vehicle, and a pump driven by the power from the internal combustion engine and pumps lubrication oil, and the electric motor is arranged on the opposite side of the input shaft rotating member from the internal combustion engine in the axial direction. The input shaft rotating member is rotatably supported by the case via a bearing, and at least part of the pump is arranged radially inward of the bearing. | 05-19-2011 |
20110175473 | ROTATING ELECTRICAL MACHINE APPARATUS - A rotating electrical machine apparatus comprising a motor generator | 07-21-2011 |
20120103750 | ELECTROMAGNETIC CLUTCH - An electromagnetic clutch includes a rotating member; an electromagnetic coil that is arranged on a rotational axis of the rotating member and generates electro-magnetic force; an output mechanism that has an armature to which return force in a direction away from the electromagnetic coil is applied by a return spring; a cam mechanism that is juxtaposed along the rotational axis to the output mechanism, and has a control cam that is unable to rotate relative to the rotating member, and a cam follower that is able to roll between the control cam and the armature; and a relative rotation restricting device that is arranged on an axis of the cam mechanism, and that is configured to restrict relative rotation between the armature and the control cam when the electromagnetic coil is in a de-energized state. | 05-03-2012 |
20130001036 | ELECTROMAGNETIC ENGAGEMENT APPARATUS - An apparatus includes: a cam that has two cam members disposed facing each other and produces thrust in an axis direction; an attracting member that creates friction force by attracting the cam members into contact with the attracting member by magnetic attraction force; an attracted member that is attached to one cam member of the two so as to rotate integrally together with the one cam member and be relatively movable in the axis direction, and that is attracted by the attracting member into contact with the attracting member so that the friction force is produced; a first return spring that exerts elastic force on the attracted member so as to move the attracted member away from the attracting member against the magnetic attractive force; and a second return spring that exerts elastic force on the one cam member. | 01-03-2013 |
20150021110 | DRIVING DEVICE FOR HYBRID VEHICLE - A driving device for a hybrid vehicle including a power transmission mechanism ( | 01-22-2015 |
20150040720 | VEHICULAR TRANSMISSION - A vehicular transmission includes a transmission input shaft to which engine torque is input, first and second differential mechanisms as transmission mechanisms to which the engine torque is input through the transmission input shaft, a torque limiter arranged between the transmission input shaft and an engine configured to enable torque transmission between the transmission input shaft and an engine output shaft and inhibit an input of excessive torque larger than predetermined torque between the transmission input shaft and the engine output shaft, and a one-way clutch arranged between the torque limiter and the engine for prohibiting reverse rotation of the engine while allowing normal rotation of the engine. | 02-12-2015 |
20150072819 | HYBRID VEHICLE DRIVING APPARATUS - Provided is a hybrid vehicle driving apparatus including: a power transmission mechanism which is connected to an engine and is able to output a rotation of the engine while changing the rotation speed; a differential mechanism which connects the power transmission mechanism and a drive wheel to each other; and a regulation device, wherein the differential mechanism includes a first rotation component which is connected to an output component of the power transmission mechanism, a second rotation component which is connected to a first rotating electric machine, and a third rotation component which is connected to a second rotating electric machine and the drive wheel, and wherein the regulation device switches between a state where a differential operation of the differential mechanism is regulated and a state where the differential operation of the differential mechanism is allowed. | 03-12-2015 |
Patent application number | Description | Published |
20080207374 | Drive apparatus - A hybrid drive unit that includes an input shaft connected to an engine; an output shaft connected to wheels; a first rotary electric machine; a second rotary electric machine connected to the output shaft; a power distribution device that distributes a rotational driving force of the input shaft to the output shaft and to the first rotary electric machine; a second rotary electric machine fixing device that selectively fixes a rotor of the second rotary electric machine; and a transmission cutoff device capable of cutting off transmission of rotation between the output shaft and the second rotary electric machine at least in a state when the rotor of the second rotary electric machine is fixed. | 08-28-2008 |
20090105035 | PLANETARY GEARSET - A planetary gearset provided with a sun gear, a ring gear, and a carrier that rotatably retains a plurality of pinion gears arranged between the sun gear and the ring gear as elements, in which one of the elements is made a fixed element and one of the other elements is made a rotating element, and which transmits torque between that rotating element and an external member provided in a location eccentric with respect to that rotating member. The planetary gearset is constructed such that the fixed element is movably retained in the direction of a load from the transmission of torque between the rotating element and the external member, and the load from the transmission of torque between the rotating element and the external member is received by a fixed portion that rotatably retains that rotating element. | 04-23-2009 |
20110160947 | CONTROL DEVICE OF A HYBRID VEHICLE - A control device of a hybrid vehicle includes: a map defined by an accelerator opening degree and a vehicle speed and in which an infinite variable speed mode and a fixed speed change mode are set; and a control means which switches the speed change mode in accordance with the movement of the vehicle operation point on the map. The fixed speed change mode area includes: a first fixed speed change mode area in which the reaction torque becomes equal to or smaller than the maximum rating torque of the motor generator, and a second fixed speed change mode area in which the reaction torque becomes larger than the maximum rating torque. The control means differentiates the speed change mode switching method in accordance with which one of the first and the second fixed speed change mode areas the vehicle operation point locates in or moves to. | 06-30-2011 |