Class / Patent application number | Description | Number of patent applications / Date published |
475151000 | Plural power paths | 22 |
20090270213 | POWER TRANSMITTING APPARATUS OF HYBRID VEHICLES - A power transmitting apparatus of hybrid vehicles that transmits torque from an engine and first and second motor/generators to an output shaft is provided. The apparatus may include: a first planetary gear set having a first operating member fixedly connected to the second motor/generator, a second operating member selectively connected to the first operating member, and a third operating member; and a second planetary gear set having a fourth operating member fixedly connected to the engine and selectively connected to the second operating member, a fifth operating member fixedly connected to the first motor/generator and selectively connected to the second operating member, and a sixth operating member fixedly connected to the third operating member and the output shaft. With the apparatus, fuel efficiency can be remarkably improved. | 10-29-2009 |
20100304913 | SPEED CHANGE MECHANISM - A speed change mechanism | 12-02-2010 |
20110190089 | PENETRATING SHAFT TYPE PLANETARY GEAR TRAIN WITH BIDIRECTIONAL INPUT AND ONE-WAY OUTPUT - For the penetrating shaft type planetary gear train with bidirectional input and one-way output, the planetary gear train and one-way transmission integrate to constitute the planetary gear train, in which the driven rotary direction of the input shaft of the gear train with bidirectional input and one-way output is changed, and the output rotary direction of the output shaft is constant. | 08-04-2011 |
20110230295 | TRANSMISSION SYSTEM - A sun gear of a first planetary gear train is connected to an input shaft. A carrier | 09-22-2011 |
20110230296 | TRANSMISSION SYSTEM - A sun gear of a first planetary gear train is connected to an input shaft. A carrier | 09-22-2011 |
20120108379 | HYBRID TRANSMISSION - A multi-speed hybrid transmission includes a main gearset connected to a vehicle gas combustible engine and providing torque to an output shaft. The transmission also includes an electric drive unit comprising an electric motor that is selectably connectable to the output shaft to provide additional torque to the output shaft. When connected to the output shaft, the electric drive unit improves vehicle performance under certain driving conditions (e.g., high boost in low gear or in upper gears) while also improving fuel efficiency. | 05-03-2012 |
20120220410 | DUAL-DRIVE ELECTRIC MACHINE HAVING CONTROLLABLE EPICYCLE GEAR SET - The present invention is structured by a dual-drive electric machine being combined with an epicycle gear set (EG | 08-30-2012 |
20130102431 | PLANETARY GEAR FOR VARIABLE TRANSMISSION - A planetary gear ( | 04-25-2013 |
20130178320 | VEHICLE DRIVE SYSTEM - Two motor and planetary gear type speed reducers are disposed sequentially from an outer side in a width direction of a vehicle, whereby the speed reducers are disposed between the motors. A radially outer edge of a ring gear of one of the speed reducers is formed smaller than the smaller one of the two radially outermost edge portions of the motors. An offset space that is recessed further radially than an imaginary line that connects the radially outermost edge portion of one motor with the that of the other motor is provided radially outwards of the ring gear of one of the speed reducers, and at least part of a breather chamber of a breather unit and at least part of a strainer accommodation compartment are disposed within the offset space. It is thus possible to expand a volumetric capacity room that communicates with an interior of a case. | 07-11-2013 |
20140038760 | DRIVE SYSTEM FOR CENTRIFUGE - A drive assembly for a centrifugal processing system is provided for rotating the yoke assembly (36) about a first axis at a first angular ve | 02-06-2014 |
20140100072 | RANGE-CHANGE TRANSMISSION WITH AN ELECTRIC ENGINE - A group transmission device with an electric machine, a main transmission of a countershaft design, a splitter group of a countershaft design which is connected upstream of the main transmission and a range group connected downstream of the main transmission. In the area of the main transmission, the splitter group, and the range group, a gear ratio is variable by gear steps that can be engaged in, or disengaged from, the force flow by interlocking shifting elements. At least during a gearshift, torque of the electric machine can be introduced into the force flow in the area of the splitter group. The splitter group has at least three gear steps that can be engaged or disengaged, the main transmission has at least two gear steps that can be engaged or disengaged, and the range group has at least two gear steps that can be engaged and disengaged. | 04-10-2014 |
20140221144 | DRIVE TRAIN OF A FLUID FLOW POWER PLANT - A drive train of a fluid flow power plant, in particular of a wind power plant or of a tidal power plant, includes a rotor hub that bears at least one rotor blade and a transmission that has a plurality of planetary stages. The transmission is configured to transmit a rotational movement of a rotor shaft connected to the rotor hub to a drive of a downstream generator in a stepped-up fashion. The rotor hub, the transmission, and the generator are arranged coaxially with respect to one another. The transmission is embodied as a power-split transmission with three planetary stages so as to form a suitable transmission ratio of a rotational movement of the rotor shaft on the drive of the generator in a compact fashion. | 08-07-2014 |
20140235394 | DRIVE UNIT COMPRISING AN ELECTRIC MOTOR - A drive unit ( | 08-21-2014 |
20140248987 | PLANETARY TRANSMISSION - The invention relates to a planetary transmission for a hybrid drive of a motor vehicle, having three coupled planetary gear sets, having numerous shift elements, and having at least one electric machine, to which a shaft inside the transmission is allocated, wherein, with a first planetary gear set, the ring gear can be connected to a component permanently attached to the housing, and the planet carrier is connected in a driving manner to the ring gear of a second planetary gear set, wherein, with the second planetary gear set, the planet carrier is connected to the ring gear of a third planetary gear set, and the sun gear can be powered by a transmission input shaft, and wherein, with the third planetary gear set, the planet carrier is connected to a transmission output shaft. In order that the planetary transmission has a compact structure and is cost-effective in terms of its production, and is efficient in terms the operation thereof, it is provided that the sun gear of the first planetary gear set is connected to the component permanently attached to the housing, and that the sun gear of the third planetary gear set can be connected to the component permanently attached to the housing and to the ring gear of the first planetary gear set. | 09-04-2014 |
20140256493 | SHIFT GEARBOX FOR USE WITH AN ELECTRIC MACHINE - A shift gearbox ( | 09-11-2014 |
20140335989 | MACHINE TOOL HAVING A DEVICE FOR SWITCHING BETWEEN A FIRST AND A SECOND TRANSMISSION STAGE BY REVERSING THE DIRECTION OF ROTATION - A machine tool, including a drive unit with a drive motor and a drive shaft that can be rotated around a drive axis of rotation by the drive motor in a forward direction as well as in a reverse direction opposite to the forward direction, a driven unit with a driven shaft that can be non-rotatably connected to a processing tool and that can be rotated in a direction of rotation around a driven axis of rotation, a planetary gear train arranged between the drive shaft and the driven shaft, including several components, whereby the drive shaft is non-rotatably coupled to a first planetary gear component, and including a device for switching between a first and a second transmission stage of the planetary gear train by changing the direction of rotation of the drive unit. | 11-13-2014 |
20140364265 | CONTRA-ROTATING PROPULSOR FOR MARINE PROPULSION - A system for providing marine propulsion is provided including an input shaft driven by a prime mover, a pinion gear coupled to the input shaft, a plurality of planet gears coupled to the pinion gear, a planet carrier having the plurality of planet gears rotationally mounted thereto, and a ring gear surrounding the planet gears and coupled thereto. The planet carrier and ring gear are coupled to internal and external output shafts that are coaxially aligned, which are coupled to aft and forward propulsor elements. The ring gear and planet carrier rotate in opposite directions to provide contra-rotating forward and aft propulsor elements. The ring gear and planet gear are each coupled to rotation altering devices that, when at least one is activated, the rotation of both the planet carrier and ring gear will be altered, thereby altering the rotation of the propulsor elements. | 12-11-2014 |
20150011347 | VEHICLE DRIVE DEVICE - A vehicle drive device has an outer rotor type electric motor with a rotor disposed on an outer circumferential side of a stator, comprising: a first power transmission path coupling an inside of the rotor and drive wheels; and a second power transmission path coupling an outside of the rotor and the drive wheels, the first power transmission path and the second power transmission path having different gear ratios, one power transmission path of the first power transmission path and the second power transmission path being coupled to the drive wheels to make a gear change. | 01-08-2015 |
20150111682 | SHIFTING APPARATUS FOR ELECTRIC VEHICLE - A shifting apparatus for an electric vehicle includes: a sun gear freely rotated on a motor driving shaft of the electric vehicle; a brake device fixed to a transmission housing and fixing the sun gear at the time of being driven; a carrier fixed to the motor driving shaft and moving a planetary gear along the sun gear; a ring gear rotated by the movement of the planetary gear while enclosing the planetary gear; an output gear connected to the ring gear and connected to the motor driving shaft by a one-way clutch; and a controlling part having a first speed mode and a second speed mode and transferring driving force directly to the output gear through the one-way clutch at the time of the first speed mode and driving the brake device at the time of a change to the second speed mode to fix the sun gear. | 04-23-2015 |
20150141191 | TWO-SPEED TRANSMISSION AND ELECTRIC VEHICLE - A two-speed transmission is provided. The transmission comprises a planetary gear train ( | 05-21-2015 |
475152000 | With nonplanetary drive to electric or magnetic path | 2 |
20150057122 | DRIVE DEVICE FOR A VEHICLE - A drive device for a vehicle is provided having an electric motor for generating a drive torque for the vehicle having a reduction gear section; the reduction gear section being operatively connected to the electric motor and reducing the drive torque; having a power divider section operatively connected to the reduction gear section; the power divider section distributing the reduced drive torque to the two output shafts; the power divider section and the reduction gear section being configured coaxially to a main transmission axis; and the power divider section being configured as a planetary gear set, a planetary drive being associated with each of the output shafts; the planetary gears of the two planetary drives being configured on a common planetary-gear carrier in a common pitch-circle diameter. | 02-26-2015 |
20160153546 | LUBRICATING STRUCTURE FOR SPEED REDUCER | 06-02-2016 |