Matches 1 - 50 out of 169 1 2 3 4 >


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US20080163710 Double Clutch Gearbox, In Particular For a Motor Vehicle  
The invention concerns a gearbox wherein the clutch shaft (3) selectively drives one or the other of two input shafts (1,2) by means of two clutches (8). The pinion torques defining the successive...
US20090019967 ELECTRICALLY DRIVEN PARALLEL SHAFT TRANSMISSION THAT MAINTAINS DELIVERED POWER WHILE SHIFTING  
An electrically powered driveline assembly includes a first electric motor and a second electric motor that drive corresponding input shafts to drive an output shaft. The first and second electric...
US20080236314 Multi-Speed Compound Vehicular Transmission Having an Auxiliary Section with Three Countershafts  
A multi-speed compound vehicular transmission having an auxiliary section with three countershafts, including: a main section; and an auxiliary section, wherein the main section includes an input...
US20080092681 Powershift Gearbox and Shifting Method Therefor  
The invention relates to a powershift gearbox comprising a first and a second gearbox block in which respectively one gear from a first or second set of gears associated with each gearbox block...
US20090301240 ARRANGEMENT FOR REDUCING RATTLING IN A TRANSMISSION  
An arrangement for reducing rattling in a transmission of counter shaft design having first countershafts (3, 4) and a load-equalizing main shaft (7) in which each transmission ratio step...
US20090165582 TWIN CLUTCH TYPE SPEED-CHANGE APPARATUS  
A twin clutch type speed-change apparatus for detecting the engagement state of a dog clutch by use of the rotational speed difference between an inner main shaft and an outer main shaft and of a...
US20080098837 SHIFT CONTROL DEVICE FOR A VEHICLE  
A shift control device in which a number of times that an angle change amount per a defined time period is successively equal to or less than a determined value is calculated, when a rotation...
US20090049939 Change Speed Transmission  
A transmission, in particular a dual clutch transmission, has a plurality of transmission shafts and a fastening apparatus for at least one fixed gear on one of the transmission shafts. The fixed...
US20090241707 MULTI-STEP TRANSMISSION  
A multi-step transmission having at least a reverse drive gear, several forward drive gears, a main shaft (1) and two counter shafts. The power flow in forward drive can be split up and be...
US20140174229 AUTOMATIC MULTI-SPEED GEAR SYSTEM  
An automatic multi-speed gear system includes an input axle, a first arm coupled at one end with the input axle through bearings that allow for independent rotational movement of the input axle...
US20090255356 Eight speed chainless drive for a pedal powered utility tricycle  
An improved eight speed chainless drive includes a gear case housed within the hub of the driving wheel of a utility tricycle with a drive shaft on the axis of the wheel. Three counter shafts...
US20090266191 MANUAL TRANSMISSION FOR A MOTOR VEHICLE  
A transmission for a motor vehicle is provided that includes, but is not limited to a drive shaft and at least two countershafts which can be driven by the drive shaft with opposite rotational...
US20050115345 Transmission with particular transmission shafts  
A transmission having one starting and/or gear clutch, the input side is connected with one drive shaft of a prime mover and the output side (8) with a transmission input shaft; one countershaft...
US20090199666 Transmission Gearbox Family in Parallel Shaft Transmission System  
This invention relates to a transmission gearbox family to provide five, six, seven, eight and nine speed ratios with a reverse speed ratio and a neutral condition in motor vehicles. The invention...
US20080196526 Multi Speed Transmission Having A Countershaft Gearing Arrangement  
A transmission is provided having a dual clutch, to achieve torque flow through a countershaft gearing arrangement. The countershaft gearing arrangement includes a plurality of co-planar gear sets...
US20080190228 ELECTRO-HYDRAULIC CONTROL SYSTEM WITH THREE-POSITION DOG CLUTCH ACTUATOR VALVE  
An electro-hydraulic control system is provided for a transmission, which is preferably a countershaft transmission, that has a three-position dog clutch actuator valve to control the position of...
US20090095101 Load-shiftable transmission for a commercial vehicle  
In a load shift transmission for a utility vehicle having a transmission input shaft, a split group, a main group and a range group, a dual clutch with two input shafts, a main shaft and a...
US20090173175 Double-clutch gearbox  
The invention concerns a gearbox comprising two primary shafts (2, 4), each connected to a clutch (C1, C2) coupled to an engine, and at least one secondary shaft (10), each primary shaft (2, 4)...
US20080127759 GEARBOX WITH SIX OR MORE FORWARD GEARS FOR SINGLE-CLUTCH OR TWIN-CLUTCH MOTOR-VEHICLE TRANSMISSIONS  
The gearbox comprises a pair of coaxial input shafts, that is, an inner input shaft and an outer input shaft, a first, upper output shaft, a second, lower output shaft, and an intermediate shaft....
US20080210030 MANUAL TRANSMISSION AND VEHICLE HAVING TRANSVERSE-MOUNT ENGINE AND TRANSMISSION ARRANGED IN TANDEM  
A vehicle includes an transverse-mount engine and a transmission having an input shaft, an output shaft, a first counter shaft, a second counter shaft, a first gear change mechanism, a second gear...
US20140123792 REVERSE SHIFT DEVICE IN TRANSMISSION  
A reverse arm is pivoted by a driving pin of a reverse fork inserted into a driven hole thereof, and the reverse arm thereby moves an idle gear in an axial direction, whereby the idle gear is...
US20100050797 MULTI-SPEED TRANSMISSION WITH COUNTERSHAFT GEARING ARRANGEMENT  
A transmission includes an input member, an output member, a first and second interconnecting member, a plurality of countershafts, a reverse member, a plurality of co-planar gear sets, and a...
US20090137358 POWER FLOW CONFIGURATION FOR DUAL CLUTCH TRANSMISSION MECHANISM  
A transmission mechanism with a pair of selectively engageable clutch systems is disclosed that has an upstream gear ratio and a downstream gear ratio that combine to provide an effective gear...
US20130133451 VEHICULAR TRANSMISSION WITH POWER TAKE-OFF UNIT  
A transmission, for a motor vehicle with an auxiliary drive (EM), having a first housing part (2a), a second housing part, a transmission shaft (GW), an auxiliary drive shaft which can be driven...
US20080245166 DUAL CLUTCH TRANSMISSION HAVING REDUCED AXIAL LENGTH  
A multiple speed power transmission comprises: an input; an output; first and second input shafts releasably coupled to the input by first and second friction clutches, respectively; a...
US20080134820 MULTI-SPEED DUAL CLUTCH TRANSMISSION  
A transmission is provided having an input member, an output member, a dual clutch assembly, a plurality of countershafts, a plurality of co-planar gear sets, a plurality of interconnecting...
US20080060461 Gear-Changing Device  
A gear-changing device for a speed-changing transmission, in particular for motor vehicles, includes at least two pot-shaped gearwheels rotatably borne on a transmission shaft and a synchronizer...
US20120079903 GEAR CHANGE DEVICE FOR A MOTOR VEHICLE  
A gear change device for a motor vehicle includes a first and a second primary shaft coaxial with respect to each other, selectively connectable to the driving shaft of the motor vehicle by means...
US20130263682 AUTOMATED MANUAL TRANSMISSION  
An automated manual transmission may include a first input shaft and a second input shaft disposed in parallel with each other to form a plurality of stages with a common output shaft, a first...
US20090235768 Auxiliary range transmission  
In an auxiliary range transmission comprising a main group having a main transmission shaft and two main countershafts capable of rotating in relation to two auxiliary countershafts of a range or...
US20090019959 COUNTERSHAFT CLUTCH AND GEAR ASSEMBLY  
The present invention provides a low inertia clutch and gear assembly for disposition on a countershaft of a dual clutch automatic transmission (DCT). The assembly includes a gear which is in...
US20130068068 Modulated shifting transmission with parallel power paths.  
A transmission (20) with three or more parallel power paths (21, 22, 23) transferring torque from the input shaft (40) to the output shaft (60). Each of said power paths consists of a summation...
US20130298709 DUAL COUPLING GEAR MECHANISM  
Dual coupling gear mechanism for a motor vehicle, having a first input shaft and a second input shaft and having a first and a second countershaft, the input shafts and the counter-shafts being...
US20130053204 GEARBOX ARRANGEMENT WHICH COMPRISES A FIRST GEARBOX WITH AN ADJOINING RANGE GEARBOX  
A gearbox arrangement including a dual-clutch gearbox and an adjoining range gearbox. The dual-clutch gearbox comprises an extra motion-transmitting connection adapted to transmit rotary motion...
US20090188336 TRANSMISSION COMPRISING A DEVICE FOR DETECTING ROTATIONAL SPEED  
A transmission with a rotation speed determining device includes a rotation speed indicator (21) connected in a rotationally fixed manner to a transmission shaft (3) and a stationary rotation...
US20150082929 POWER TRANSMISSION APPARATUS FOR VEHICLE  
A power transmission apparatus includes a first/second/third rotary shaft, and a positioning member. The first rotary shaft is connected to an output shaft of a drive source. The second rotary...
US20140190295 Oil Field Pump Unit Hybrid Gear Reducer  
An oilfield pumping unit two-stage transmission gear reducer includes a low speed stage having a low speed shaft configured to receive motion from an intermediate shaft. A first gear pair includes...
US20110247439 GEARBOX WITH LOAD DISTRIBUTION SYSTEM  
A gearbox comprising: an input shaft (9) having first and second helical input gears (1, 2) of opposite hand fixed axially relative to each other and axially moveable in tandem; an output shaft...
US20090065283 TRANSMISSION AND VEHICLE HAVING TRANSVERSELY MOUNTED TRANSMISSION AND ENGINE ARRANGED IN AXIAL DIRECTION THEREOF  
A vehicle includes an engine, a pair of side frames extending along a vehicle body, and a transmission adapted to be axially connected with the engine and transversely mounted on the vehicle body,...
US20110167943 TRANSMISSION UNIT  
A transmission unit (7) is proposed herewith for a vehicle driven by muscle power, said transmission unit (7) having one through shaft (13) and one output shaft (23), as well as having at least...
US20120240699 Drive arrangement for a motor vehicle  
A drive arrangement for a motor vehicle includes two driven axles, wherein at least one of the axles can be connected and disconnected, with a variable speed transmission having at least one input...
US20090249907 MULTI-SPEED DUAL CLUTCH TRANSMISSION WITH COUNTERSHAFT GEARING ARRANGEMENT  
A transmission is provided having a dual clutch to achieve torque flow through a dual countershaft gearing arrangement. The countershaft gearing arrangement includes a plurality of co-planar gear...
US20080245167 Dual clutch group transmission shifttable under load  
In a load shiftable group transmission with a high number of gears, particularly suitable for utility vehicles, the transmission includes a dual clutch a split unit, a direct gear, a main group...
US20120304790 ELECTRIC PROPULSION SYSTEM FOR VEHICLES  
A propulsion system includes two electric motors, a gearbox with at least three forward gears and a control unit to control the electric motors and the engagement of the gears. The gearbox...
US20120216639 SHIFTING DEVICE AND METHOD FOR SHIFTING CONTROL OF AN AUTOMATED GROUP TRANSMISSION  
A shifting device and a method controlling shifting of transmission comprising main gearing and a splitter group which have a common countershaft. The splitter group is a double clutch...
US20090025496 Vehicle Transmission  
An automatic powershift vehicle transmission comprising an input shaft; an output shaft; first and second intermediate shafts parallel to the input shaft; a lay shaft parallel to the output shaft;...
US20120184406 GEAR SHIFT CONTROL  
A motor vehicle comprising: a power source capable of driving the motor vehicle, a gearbox coupled to the power source; and a gear shift commander having a normal state, a prepare state and a...
US20130098187 POWER TRANSMISSION UNIT FOR AN ELECTROMOTIVELY OPERATED DRIVE AND MAGNETO-RHEOLOGICAL CLUTCH  
A power transmission unit is disclosed which includes a first input shaft and a second input shaft which can be mutually driven by a motor shaft in opposite directions. A driven shaft can be...
US20100071491 TRANSMISSION ARRANGEMENT AND METHOD FOR LOAD EQUALIZATION IN A TRANSMISSION ARRANGEMENT  
A transmission arrangement (1) with at least two countershafts for a vehicle, in particular a utility vehicle, comprises an auxiliary drive output (10) that is coupled by way of a...
US20140196556 PARALLEL SHIFT TRANSMISSION  
A parallel shift transmission which comprises split and range groups, each of which is divided into two parallel transmission branches. One branch can be actuated by a load shift element to...

Matches 1 - 50 out of 169 1 2 3 4 >