Class / Patent application number | Description | Number of patent applications / Date published |
074664000 | Plural power paths from prime mover | 39 |
20080196543 | GEAR-TYPE TRANSMISSION APPARATUS - A gear-type transmission apparatus includes a first input shaft, a second input shaft provided coaxially and rotatably relative to the first input shaft, a first counter shaft and a second counter shaft arranged in parallel to the first and the second input shafts, an output shaft, a dual clutch mechanism having a first clutch and a second clutch for transmitting a rotation of a driving shaft driven by a power source to the first and the second input shafts, a first gear change mechanism, a second gear change mechanism, a reverse gear set having a reverse shift stage driving gear, a reverse shift stage intermediate gear, and a reverse shift stage driven gear, and a switching clutch having a reverse shift stage engaging member for establishing/interrupting a torque transmission from the driving shaft to the output shaft via the reverse shift set. | 08-21-2008 |
20080202285 | Multipurpose Combined Machine - A multipurpose combined machine, such as compressor-pump or similar, includes motor elements (M) and a plurality of operating machines (H, C, V) that can be powered in an independent manner by the motor elements, wherein the operating machines are powered through a transmission box ( | 08-28-2008 |
20090183593 | Implement With Tandem Transmission - An implement with two independent transmissions drives a common output shaft. Each transmission is configured to rotatably drive the output shaft in a different direction to simplify changing the ground direction of the implement. Moreover, in a preferred embodiment, the transmissions are actuated by levers that provide infinitely variability of the implement's ground speed. | 07-23-2009 |
20100107809 | TWIN CLUTCH TRANSMISSION, AND VEHICLE AND MOTORCYCLE EQUIPPED THEREWITH - A twin clutch transmission can be made sufficiently small and can easily be mounted on a motorcycle without biasing the lateral weight balance. In this transmission, a first clutch is arranged to input rotation power transferred from a crankshaft to a first main shaft and to output the rotation power to a rear wheel via an odd-numbered transmission gear mechanism, and a second clutch is arranged to input rotation power transferred from the crankshaft to a second main shaft and to output the rotation power to the rear wheel via an even-numbered transmission gear mechanism. The first and second main shafts are arranged in a mutually rotatable fashion on an axis line parallel or substantially parallel to the crankshaft, and a transmitting portion of driving force output to the rear wheel via the even-numbered transmission gear mechanism on the second main shaft has an outer diameter approximately identical to that of a transmitting portion of driving force output to the rear wheel via the odd-numbered transmission gear mechanism on the first main shaft, and is arranged so as to not concentrically overlap the transmitting portion of the first main shaft. | 05-06-2010 |
20100107810 | TWIN CLUTCH TRANSMISSION, AND VEHICLE EQUIPPED THEREWITH - In a twin clutch transmission, a first main shaft transfers rotation power of a crankshaft that is provided in parallel, input via a first clutch, to a drive shaft via an odd-numbered transmission gear mechanism. A second main shaft transfers rotation power of the crankshaft that is provided in parallel, input via a second clutch, to the drive shaft via an even-numbered transmission gear mechanism. In a first power transfer path running from the crankshaft to the drive shaft via the first clutch and a second power transfer path running from the crankshaft to the drive shaft via the second clutch, back torque limiters are provided that, when reverse torque operates in a direction opposite the direction for acceleration of a rear wheel, limits transfer of the reverse torque. | 05-06-2010 |
20100139453 | Power transmission switching mechanism for office machine - A power transmission switching mechanism for office machine. The power transmission switching mechanism has simple structure and enables the office machine to commonly use a motor to execute scanning and printing works. The power transmission switching mechanism includes a rotary shaft, a drive gear mounted on the rotary shaft, an actuator reciprocally movable on the rotary shaft and a driving gear for transmitting power of a motor to the drive gear. The drive gear has an spline. The actuator can be selectively moved forward or backward to make the spline disengaged from a first gear mounted on the rotary shaft or engaged with the first gear. When the spline is disengaged from the first gear, the power of the motor is transmitted to a scanning module. When the spline is engaged with the first gear, the power of the motor is transmitted to the rotary shaft for printing work. | 06-10-2010 |
20100319485 | AUTOMATIC GROUP TRANSMISSION - An automated group transmission having a multi-stage main transmission (HG), a splitter group (VG) connected upstream from the main transmission (HG) and a two-stage range-change group (BG) connected downstream of the main transmission (HG), such that the splitter group (VG) is connected, via a controllable separator clutch, to a drive motor. The main transmission (HG) and the range-change group (BG) are of either a synchronized or an unsynchronized design and the shifting clutches of two respective transmission ratio steps, in at least one of the partial-transmissions (VG, HG, BG), are respectively combined in a common shifting packet with two shift positions and a neutral position. To speed up most range shifts, it is provided that in the main transmission (HG) the shifting clutches associated with the lowest transmission ratio step (G | 12-23-2010 |
20110283830 | CONCENTRIC SLAVE CYLINDERS TO ACTUATE CLUTCHES ON A DUAL CLUTCH TRANSMISSION - A clutch actuation device is provided for dual clutches of a Dual Clutch Transmission. The clutch actuation device includes, but is not limited to a cylinder assembly that is substantially fixed to a clutch casing. The cylinder assembly includes, but is not limited to an inner annular chamber, an outer annular chamber, an inner annular piston, and an outer annular piston. The inner annular chamber is intended for receiving liquid under pressure and includes, but is not limited to an inner inlet. Similarly, the outer annular chamber is intended for receiving liquid under pressure and includes, but is not limited to an outer inlet. The outer annular chamber surrounds a portion of the inner annular chamber. The inner annular piston is slidably disposed in the inner annular chamber for actuating a first clutch disc whilst the outer annular piston is slidably disposed in the outer annular chamber for actuating a second clutch disc. | 11-24-2011 |
20120204675 | Variable speed transmission for motor vehicles - A variable speed transmission for motor vehicles includes multiple drive gears which are switchable by means of at least one gear changing device, in particular by means of synchronous shifting clutches, in particular multiple forward gears and a reverse gear. The variable speed transmission is subdivided or divided into at least two part-transmissions each with multiple gears, by at least one shifting device in particular least one shifting clutch in such a manner that at least one of the part-transmissions is engaged and at least one of the part-transmissions is disengaged as a function of one of the drive gears as selected by the gear changing device and/or as a function of defined shifting states of the shifting device | 08-16-2012 |
20120247268 | SYSTEM AND METHOD FOR PROVIDING A SELECTABLE MULTIPLE OUTPUT MOTOR - An actuation mechanism including a motor having a first motor output gear and a second motor output gear is provided, the motor defining a common axis of rotation for the first and second motor output gears. The actuation mechanism also includes a pair of gearboxes positioned on opposed ends of the motor. The actuation mechanism further includes a first arm adapted to mechanically cooperate with the first gearbox and a second arm adapted to mechanically cooperate with the second gearbox. The rotor of the motor slides along the common axis of rotation. The rotor is configured to be axially movable between a first position where the rotor engages the first gearbox to rotatably actuate the first arm and a second position where the rotor engages the second gearbox to rotatably actuate the second arm. | 10-04-2012 |
20120304815 | HYDRAULIC PRESSURE SUPPLY APPARATUS FOR TRANSMISSION - In an hydraulic pressure supply apparatus for a transmission having an input shaft connected to a drive shaft of a prime mover mounted on a vehicle through a torque converter with a lockup clutch, it is configured to have a hydraulic pump drawing up and discharging operating oil; a regulator valve regulating discharged pressure to a line pressure; first and second switching valves supplying hydraulic pressure to the first and second clutches; a first hydraulic control valve supplying the regulated line pressure to the lockup clutch; a third switching valve connected to an output port of the first hydraulic control valve; and first and second electromagnetic valves connected to operating ports of the first, second and third switching valves and adapted to switch among the first, second and third switching valves upon being energized and deenergized. | 12-06-2012 |
20120312122 | HYBRID POWERTRAIN WITH OPERATOR SELECTABLE ELECTRIC PROPULSION MODE - A powertrain for a vehicle includes an engine and a transmission having an input member, an output member, and a neutral state in which torque is not transmitted from the input member to the output member. A first motor/generator is coupled to the engine. A second motor/generator is coupled with vehicle wheels directly or indirectly through the transmission. The first motor/generator acts as a generator when powered by the engine to provide electric power to the second motor/generator. The second motor/generator acts as a motor when receiving electric power from a battery or from the first motor/generator. A shift selector is moved by a vehicle operator to establish an electric propulsion mode in which the transmission is in the neutral state and the second motor/generator functions as a motor. | 12-13-2012 |
20130055851 | CLUTCH ARRANGEMENT AND METHOD FOR ACTUATING SAME - Clutch arrangement for a motor vehicle drive train. The clutch arrangement has a first and a second clutch which are embodied as normally open clutches. The first clutch can be activated from an open position into a closed position by means of a first actuator arrangement. The second clutch can be activated from an open position into a closed position by means of a second actuator arrangement. The clutch arrangement has a locking device for locking a clutch in the closed position. Only the second clutch can be locked in the closed position by means of the locking device, while the first clutch cannot be locked in the closed position. Thus, the first actuator arrangement has to be supplied with energy in order to secure the first clutch in the closed position. | 03-07-2013 |
20130074650 | SINGLE MOTOR STRUCTURE FOR OPERATION OF PANORAMA SUNROOF GLASS AND ROLL BLIND AT THE SAME TIME - A single motor structure for operation of a panorama sunroof glass and a roll blind may include a motor supplying a motive power to the panorama sunroof glass and the roll blind, a rotating shaft rotatably connected to a side of the motor, a first actuating gear and a second actuating gear, which may be spaced symmetrically from the rotating shaft with a predetermined distance, a first actuating member combined with the first actuating gear so as to rotate with the first actuating gear to control open-shut of the panorama sunroof glass, a second actuating member combined with the second actuating gear so as to rotate with the second actuating gear so as to control open-shut of the roll blind, and a first actuating relay member and a second actuating relay member, which may be combined with each of the first actuating member and the second actuating member respectively. | 03-28-2013 |
20130145897 | GEAR-CHANGE DEVICE FOR A MOTOR VEHICLE - A gear-change device for a motor vehicle includes a first primary shaft and a second primary shaft, A first secondary shaft has an output pinion set within the length between two end bearings that support in rotation the first secondary shaft, while a second secondary shaft has an output pinion set on the outside of a length between two end bearings that support in rotation the second secondary shaft, on a portion of the second secondary shaft that projects in cantilever fashion beyond the bearing adjacent thereto. A parking gear wheel has an axial position substantially displaced with respect to the axial position of a forward gear wheel on the second secondary shaft in such a way that the first secondary shaft is surrounded by a free space in the portion axially aligned with the forward gear wheel. | 06-13-2013 |
20130205946 | MULTI-SPEED TRANSMISSION - A multi-speed transmission for a motor vehicle, in particular for a sports car, has several forward speeds and a reverse speed, an input or primary shaft, a first output or secondary shaft for driving a first drive shaft leading to an axle differential, and a second output shaft or tertiary shaft for driving a second drive shaft leading to another axle differential. The first output or secondary shaft and the second output or tertiary shaft carry two meshing fixed gears. The fixed gear on the first output or secondary shaft meshes with an idle gear on the input or primary shaft. In one of the forward speeds the idle gear coupled in a rotationally restrained manner with the input or primary shaft directly drives the fixed gear on the first output or secondary shaft. | 08-15-2013 |
20130327180 | MULTI-SHAFT DRIVE DEVICE - A multi-shaft drive device is provided that is capable of obtaining an appropriate backlash in an enmeshed state of an output side bevel gear and an input side bevel gear. An output side bevel gear ( | 12-12-2013 |
20130327181 | MULTI-SHAFT DRIVE DEVICE - The present invention obtains a multi-shaft drive device that can protect a rack and pinion from operative load input to a selector. The multi-shaft drive device is provided with: an input-side bevel gear ( | 12-12-2013 |
20140047949 | GEARBOX, IN PARTICULAR FOR THE DRIVE TRAIN OF A VEHICLE - A transmission includes a transmission input element, a transmission output element and a gear ratio changing system in a torque path between the transmission input element and the transmission output element. A torsional vibration damping arrangement with an input region and an output region is provided in the torque path. A first torque transmission path and, parallel thereto, a second torque transmission path, and a coupling arrangement for superposing the torques transmitted via the torque transmission paths, are provided between the input region and the output region. The torsional vibration damping arrangement includes a phase shifter arrangement for generating a phase shift of rotational irregularities transmitted via the first torque transmission path relative to rotational irregularities transmitted via the second torque transmission path. | 02-20-2014 |
20140216206 | MOTOR VEHICLE DRIVE ARRANGEMENT - In a motor vehicle drive arrangement having a main drive train for driving a main axle and an auxiliary drive train for driving an auxiliary drive axle, with a power shift clutch for connecting the auxiliary drive train to the main drive train, the auxiliary drive train comprises at least one switching unit for engaging the power shift clutch which is arranged in the power flow in series with the switching unit without a differential speed. | 08-07-2014 |
20140238188 | SEAT DRIVE DEVICE - A seat drive device is provided with: a single rotary motor; a plurality of operating members, which are arranged to correspond to a plurality of positioning mechanisms; a plurality of tubular members, which are arranged to correspond to the positioning mechanisms and selectively connect an output shaft to the positioning mechanism corresponding to the operating member operated with the operation of any one of the operating members and input shafts rotated by the rotary motor; and a single switch, which passes an electric current through the rotary motor with a polarity corresponding to the direction of the operation with the operation of any one of the operating members. | 08-28-2014 |
20140366685 | TRANSFER CASE WITH HIGH EFFICIENCY CLUTCH ACTUATOR - A multi-speed power transmission device includes an input shaft, first and second output shafts and a planetary gearset. An axially moveable sleeve fixes the first output shaft and the input shaft for rotation when in a first position and the sleeve fixes the sun gear and the input shaft for rotation when in a second position. A hub is axially moveable and free to rotate relative to the first output shaft when in the first position. The hub is fixed for rotation with the first output shaft when in the second position, A cam plate is continuously fixed for rotation with the carrier and urges the hub toward its second position when in a second axial position. The input shaft drives the first output shaft at a reduced speed via the planetary gearset when the sleeve, hub and cam plate are at their second positions. | 12-18-2014 |
20150075325 | SYNCHRONIZED DUAL DRIVE GEAR ASSEMBLIES AND METHODS - A gear assembly includes an actuation gear and plural separate pinion bodies. The actuation gear has first gear teeth on one or more surfaces of the gear and is configured to rotate around an actuation axis of rotation. The pinion bodies have second gear teeth configured to mesh with the first gear teeth of the actuation gear in plural separate mesh zones of the actuation gear. Each of the plural separate pinion bodies are configured to be rotated about respective pinion axes of rotation to cause rotation of the actuation gear around the actuation axis of rotation. | 03-19-2015 |
20150107409 | TRANSMISSION POWER SWITCH DEVICE ASSEMBLED WITH ROTARY SHAFT - A transmission power switch device assembled with rotary shaft has a simplified structure and provides power transmission and switching effect. The transmission power switch device includes a rotary shaft connected with a power source. On the rotary shaft are disposed a first drive mechanism, a second drive mechanism and a brake device rotatable with the rotary shaft. The brake device is movable on the rotary shaft to selectively brake the first drive mechanism or the second drive mechanism so as to transmit power to an output shaft. | 04-23-2015 |
20150107410 | POWER TRANSMISSION UNIT FOR VEHICLE - A power transmission unit for a vehicle including a first clutch device that selectively allows a torque transmitting route from an input shaft to an output shaft via a first gear train to transmit torque therethrough, a dog clutch that switches the torque transmitting route from the input shaft to the output shaft between a continuously variable speed change route in which the torque is transmitted through a continuously variable transmission and a reverse route in which the torque is transmitted through a second gear train, and a second clutch device that connects and disconnects both of the continuously variable speed change route and the reverse route to/from at least any one of the input shaft and the output shaft. | 04-23-2015 |
20150135894 | POWER TRANSMISSION UNIT FOR VEHICLE - A power transmission unit including a first clutch device that selectively enables and disables a torque transmitting route from an input shaft to an output shaft via a first gear train to transmit torque therethrough, a dog clutch that switches the torque transmitting route from the input shaft to the output shaft between a continuously variable speed change route in which torque is transmitted through a continuously variable transmission and a reverse route in which torque is transmitted through a second gear train, and a second clutch device that selectively enables and disables both of the continuously variable speed change route and the reverse route to transmit torque to the input shaft or the output shaft. The first clutch device and the second clutch device are separately disposed on any of the input shaft and the output shaft in a manner to be situated at different axial positions. | 05-21-2015 |
20150292607 | AGRICULTURAL VEHICLE TRANSMISSION - A continuously variable transmission for an agricultural vehicle, the transmission comprising a transmission casing and transmission components, the components including: an input shaft drivable by a prime mover, first and second output drive shafts for connection to driven wheels of the vehicle, a mechanical transmission branch which transfers torque mechanically from the input shaft to the first and second output shafts, and a further transmission branch having at least one continuously variable motor, wherein the first and second output drive shafts are additionally driven by the at least one motor so as to provide the first and second output drive shafts with continuously variable drive. | 10-15-2015 |
20150316147 | AUTOMATIC TRANSMISSION APPARATUS - A predetermined transmission ratio of a direct coupling mechanism arranged in parallel to the continuously variable transmission and directly connects the input shaft and the output shaft to transmit rotation of the input shaft to the output shaft at that predetermined transmission ratio is set to the minimum transmission ratio of the continuously variable transmission, and the direct coupling mechanism is connected to the input shaft through a third clutch. | 11-05-2015 |
20160003326 | TWO-SPEED TRANSMISSION FOR VEHICLE - A two-speed transmission for a vehicle may include a first input shaft, a second input shaft connected to a motor, and a clutch unit for selectively transmitting the power of the motor to an output shaft from the first input shaft and/or the second input shaft. The clutch unit may synchronize rotation speeds of the first input shaft and the second input shaft when the power of the motor is transmitted to the output shaft from the first input shaft. | 01-07-2016 |
20160017958 | ELECTRIC DRIVE SYSTEM WITH A NOVEL DUAL-CLUTCH TRANSMISSION - Dual-clutch transmission assemblies for use with electric vehicles include a first shaft having a plurality of input gearwheels mounted thereon. The assembly further includes a second shaft having a plurality of intermediate gearwheels that are freely rotatable with respect to the second shaft and situated to mesh with respective input gearwheels on the first shaft. The assembly also includes a first clutch mounted to the first shaft and a second clutch mounted to the first shaft, the second clutch being spaced apart from the first clutch along a longitudinal axis of the first shaft. The assembly can further include a gear selector disposed on the second shaft to selectively engage at least one of the intermediate gearwheels of the second shaft to lock the at least one intermediate gearwheel to the second shaft such that the at least one intermediate gearwheel co-rotates with the second shaft. | 01-21-2016 |
20160052522 | VEHICLE CONTROL SYSTEM AND VEHICLE CONTROL METHOD - Vehicle control system and method provided to change speed ratio smoothly when switching a power transmission route from a route including a geared transmission to a route including a continuously variable transmission. Vehicle control system applied to a vehicle comprising: continuously variable transmission for changing speed ratio continuously is disposed between input shaft and output shaft; geared transmission is disposed parallel to the continuously variable transmission, and is adapted to establish speed ratio that cannot be established by continuously variable transmission; and friction clutch is brought into engagement to switch torque transmission route from a route including the geared transmission to a route including the continuously variable transmission. Vehicle control system configured to start speed change operation of continuously variable transmission before the friction clutch is brought into engagement completely when switching torque transmission route from the route including the geared transmission to the route including the continuously variable transmission. | 02-25-2016 |
20160053863 | GEARBOX - A gearbox comprising: a first shaft ( | 02-25-2016 |
20160076621 | SYNCHRONIZED DUAL DRIVE GEAR ASSEMBLIES AND METHODS - A gear assembly includes an actuation gear and plural separate pinion bodies. The actuation gear has first gear teeth on one or more surfaces of the gear and is configured to rotate around an actuation axis of rotation. The pinion bodies have second gear teeth configured to mesh with the first gear teeth of the actuation gear in plural separate mesh zones of the actuation gear. Each of the plural separate pinion bodies are configured to be rotated about respective pinion axes of rotation to cause rotation of the actuation gear around the actuation axis of rotation. | 03-17-2016 |
20160108993 | POWER TRANSMISSION APPARATUS FOR VEHICLE - A power transmission apparatus may include first and second input shafts; first and second clutches; first and second output shafts; first set of input gears fixed on first input shaft; second set of input gears fixed on second input shaft; first set of speed gears rotatable on first output shaft and engaged with first set of input gears or second set of input gears; second set of speed gears rotatable on second output shaft and engaged with first or second set of input gears; first set of synchronizers selectively connecting first set of speed gears to first output shaft; second set of synchronizers selectively connecting second set of speed gears to second output shaft; and reverse speed output unit engaged with one input gear of first and second sets of input gears, and second idle gear engaged with one speed gear of first and second sets of speed gears. | 04-21-2016 |
20160131224 | DUAL CLUTCH TRANSMISSION FOR A MOTOR VEHICLE - A dual-clutch transmission has first and second coaxial input shafts, with the second shaft extending through the first shaft. The input shafts can couple respective countershafts via input constants. The first countershaft has two sections rigidly connected by a first shifting element. Four gear stages implement forward gears and one gear stage implements reverse gears. The fourth gear stage is arranged between the first section and an output shaft. The second and third gear stages are arranged between the second section and the output shaft. The first and the reversing gear stages are arranged between the second countershaft and the output shaft. The first input constant has a loose wheel supported on the second countershaft and can be rotationally fixed, by a second shifting element, to the first section of the first countershaft. The second section can be rotationally fixed, via a third shifting element, to the second countershaft. | 05-12-2016 |
20160131225 | DUAL CLUTCH TRANSMISSION FOR A MOTOR VEHICLE - A dual-clutch transmission has first and second coaxial input shafts, the second shaft extending through the first shaft. The input shafts couple respective countershafts via input constants which have drive input and output wheels. The countershafts are selectively connectable, via spur gear stages that can be engaged by gearshift elements, to an output shaft. Four gear stages engage forward gears and one reverse gear stage engages reverse gears. The second and fourth gear stages are arranged between the first countershaft and the output shaft, and the other gear stages are arranged between the second countershaft and the output shaft. The first input constant has a higher gear ratio than the second input constant. The output of the first input constant is a loose wheel supported on the second countershaft and can couple the first countershaft by a first coupling element. A second coupling element couples the first and second countershafts. | 05-12-2016 |
20160169118 | DUAL TOWER SHAFT GEARBOX FOR GAS TURBINE ENGINE | 06-16-2016 |
20160193916 | POWERTRAIN SYSTEM FOR MAINTAINING RIMPULL PERFORMANCE OF MACHINE | 07-07-2016 |
20160201771 | WALK-BEHIND POWER EQUIPMENT UNIT HAVING ALL-WHEEL DRIVE CONTROL SYSTEM | 07-14-2016 |