Matches 1 - 50 out of 97 1 2 >
Match Document Document Title
7597644 Nine or ten speed split clutch countershaft automatic transmission  
A combination countershaft and planetary gear set transmission is provided that achieves at least nine forward speed ratios and two reverse speed ratios. The transmission includes a main shaft...
7544144 Geared-neutral bidirectional positively infinitely variable rotary motion transmission  
A geared disk driven by a repositionable drive gear, with two independent and concurrent axes of rotation; both axes rotating and orbiting on one plane, about the transmission's central axis. The...
7422537 Torque split hydraulic coupling between transmission and secondary driving axle with torque modulation and locking capabilities  
A power transmission system coupling ( 100 ) configured to provide a responsive and controllable clutch ( 110 ) using a torque split arrangement including a planetary gear set ( 106 ) for torque...
7364527 Nine speed automatic transmission with six torque-transmitting mechanisms  
A multi-speed transmission that achieves nine forward speed ratios and a reverse speed ratio has two planetary gear sets and a plurality of intermeshing gear members which may consist of two...
7350430 Transmission having direct gear  
A transmission for a motor vehicle comprising an input shaft ( 1 ), an output shaft ( 2 ) and at least one countershaft ( 3 ). The transmission comprises at least one direct gear and the parts of...
7311630 Multi-speed transmission with differential gear set and countershaft gearing  
A transmission is provided having a differential gear set with three input torque-transmitting mechanisms, such as friction clutches, to achieve torque flow through the differential gear set to a...
7278950 Stage-geared gearbox for motor vehicles  
A stage-geared gearbox for motor vehicles, includes an unsynchronized basic gearbox, at least one synchronized auxiliary gear and at least one control unit for controlling engagement and...
7112157 Gear unit for the drive of a rotation tube  
A gear unit for the drive of a rotating tube is provided with a drive shaft and a power distributing gear unit stage that is configured as a helical gear unit with an intermediate shaft having...
7104917 Countershaft planetary transmissions  
A multi-speed power transmission includes a countershaft portion and a planetary gearset portion. The countershaft portion is controlled by synchronizer torque-transmitting mechanisms, and the...
7097583 Power-branched transmission with steplessly adjustable transmission ratio  
A power-branched transmission having a steplessly adjustable transmission ratio. An input-side distributor transmission includes an input gear that is nonrotatably connected with an input shaft...
6984187 Multi-stage gearbox  
A multi-stage gearbox with a drive input shaft connected to a reduction planetary gear set, with a drive output shaft connected to a main planetary gear set, and with shift elements. An input speed...
6969335 Automated gear transmission  
A multiple speed transmission includes first and second concentric input shafts, an output shaft, an auxiliary shaft, a first clutch for driveably connecting and disconnecting the first input...
6926635 Multi-speed transmission  
A multi-speed transmission with an input shaft ( 1 ) and an output shaft ( 2 ) with two spur gear speeds (ST 1 , ST 2 ) that are connected tightly on the input side with the input shaft ( 1 ) and...
6916268 Automatic speed change apparatus  
An automatic speed change apparatus including an input shaft, an intermediate shaft and an output shaft arranged in parallel. The input shaft is coupled to the intermediate shaft by counter gear...
6893373 Transmission for vehicle  
A transmission for a vehicle includes a main transmission (M) and a differential gear mechanism ( 20 ). The main transmission has at least two rotating elements ( 11, 12; 13, 14 ) each set to a...
6837818 Continuously variable transmission system  
A continuously variable transmission system comprises a continuously variable transmission having two pulley sets each with two discs defining a V-shaped groove, drive means-for varying the width...
6719655 Electrodynamic drive system  
An electrodynamic drive system ( 2 ) for a vehicle between a drive engine ( 4 ) and a manual transmission ( 16 ) comprising a planetary transmission ( 12 ) with the three elements sun gear ( 50 ),...
6702700 Automatic transmission apparatus  
An apparatus is provided to expand the direct drive region of the torque converter in a five or six-speed automatic transmission apparatus for front wheel drive to greatly improve the power...
6659902 Gearbox  
A multi-gear, manual transmission, especially for utility vehicles, with at least partially automatized gear shifting or with a manual gear shift, in which the gear synchronization is carried out...
6645114 Multiple axes planetary transmission  
A transmission arrangement for a vehicle includes a transmission housing with at least two transmission axes extending therein. Each axis includes an input transfer gear engaged with an input...
6612960 Transmission with non-coaxial output  
A vehicle transmission having an input shaft, a main shaft, a countershaft and an output shaft mounted for rotation around axes of rotation and a plurality of gear wheels mounted on the...
6612959 Three-speed transfer case  
A transfer case having an input shaft, an output shaft, and a planetary gearset connected therebetween. The planetary gearset includes a first sun gear, a second sun gear, a carrier coupled for...
6607464 Transmission, especially for wind power installations  
A transmission, especially for wind power installations includes a planetary stage on the input side that is mounted upstream of at least one gear stage. The planetary stage includes at least two...
6537173 Transmission system for a bicycle  
A transmission system provided for a bicycle, including a primary transmission sub-assembly having a set of rear sprockets, whose number of teeth, from one sprocket to the next sprocket in the...
6458057 Motor wheel for driving the driving wheel of an industrial vehicle and the like  
A motor wheel for driving the driving wheel of an industrial vehicle and the like, comprising upstream of a two-stage rotary-ring reduction unit, a gearbox with fixed-ring epicyclic gear train,...
6447417 Drive force transmission mechanism for hybrid vehicle  
A first clutch ( 2 ) is connected to an engine ( 1 ) of a hybrid vehicle. A motor/generator ( 6 ) is connected to an output shaft ( 4 ) of the first clutch ( 2 ) through a planetary gear set ( 3 )....
6258004 Constant output transmission apparatus  
A constant output transmission apparatus operable to transform a variable RPM input to an input shaft member through the use of double planetary gear set means and the use of a low range gear and...
6066062 Gear change for automobile vehicle provided with auxiliary epicyclic gear train with helical gears including axially displaceable crown  
A gear change for an automobile vehicle comprising a box, a main train, an input shaft of which is connected to the engine and a primary shaft of which can be connected angularly to the input shaft...
6030177 Drive system for a variable diameter tilt rotor  
A drive system for a variable diameter rotor system that includes a plurality of rotor blade assemblies with inner and outer blade segments. The outer blade segment being telescopically mounted to...
6019578 Variable diameter rotor blade actuation system  
A rotor blade actuation system is disclosed for controlling extension and retraction of an outboard blade section of a rotor blade by varying the speed and direction of rotation between a main...
5632703 Device for adapting continuously variable transmissions to infinitely variable transmissions with forward-neutral-reverse capabilities  
An infinitely variable transmission is capable of operating between a maximum speed in one direction and a minimum speed in an opposite direction, including a zero output angular velocity, while...
5518462 Spring return electric actuator  
A rotary actuator for opening and closing a valve, damper or linkage for industrial application, the actuator including a housing having a motor mounted thereon for driving a speed reduction gear...
5378201 Multi-geared bicycle transmission assembly comprising internal gear sets  
A transmission assembly for a bicycle which is able to achieve variations in rotational force and velocity through internal gearing mechanisms which require no variation in sprocket diameter. The...
5013289 Power transmission  
A power transmission has three countershaft gear sets which provide selective input members for a pair of interconnected simply planetary gear arrangements. The planetary gear arrangements have the...
4890513 Variable speed transmission  
A variable speed transmission includes an input shaft, an output shaft and a holding shaft. A planetary gearing assembly is connected to the output shaft and holding shaft inside a rotatable drum....
4787271 Gear box  
A two speed gear box employs a planetary gear mechanism in which the planet carrier is in the form of a pinion gear which drives the second stage of the gear box. The gear box includes...
4774856 Planetary gear train  
A planetary gear train comprises a first planetary gear set and a second planetary gear set. These two planetary gear sets coact with a change speed mechanism means, in the form of a pair of...
4711136 Power transfer device for four-wheel drive  
In combination with a power transmission, a power transfer device comprises a first shaft rotatably mounted within a housing and having an input end for connection to an output shaft of the...
4690015 Power transfer device for automotive vehicles  
A power transfer device includes an input shaft for connection to an output shaft of a power transmission, a first output shaft rotatably coupled at the inner end thereof with the input shaft, a...
4641551 Apparatus for translating rotational motion and torque  
The present invention provides apparatus which can be incorporated into a powered instrument that rotates a tool at varying rotational speeds and torques. The invention includes at least two drive...
4615238 Planetary gear drive for balers  
A baler for making rectangular bales includes a main drive transmission section embodying a planetary gear set including a planet carrier which serves as an output member for delivering power to a...
4515026 Transmission  
A mechanical transmission with a variable speed ratio that generates two oscillatory rotary motions that may have the velocities thereof selectively increased or decreased by concurrently...
4468980 Twin clutch pack for power shift transmission  
The invention disclosed comprises twin clutch packs for a power shift transmission to provide two power paths through the power shift transmission and means for combining the drives in a single...
4462274 Shiftable planetary gear train  
A shiftable planetary gear train is driven by the output of a conventional vehicle transmission which engages a ring gear of the planetary gear train. The planetary gear train includes two shifting...
4400999 Drive hub for bicycles or the like  
A drive hub for a bicycle includes an axially extending hub shaft with a driver rotatably mounted on the hub shaft. A plurality of sprockets are secured to the driver in side-by-side relation. A...
4392832 Steering and propulsion system for marine use  
A universal steering and propulsion unit for marine craft utilizes a power train which includes a differential gearing unit with control of the power delivered being accomplished through selective...
4257577 Motor vehicle winch  
A winch having a drum and a gearbox, wherein the gearbox houses planetary gearing for driving the drum, and a coupling device for selectively changing the rotational speed of the drum. The coupling...
4213514 Hydraulic wheel drive with clutch  
A wheel drive for a piece of construction equipment or the like has a hydraulic motor mounted in a wheel support on which is rotatable the wheel-carrying hub. The output shaft of the motor is...
4194414 Planetary speed reducer  
A multistage speed reducer for high speed rotation including a planetary roller friction reducer for the first stage reducer and a geared reducer for the second stage reducer, the planetary roller...
4191070 Planetary transmission with plural power paths  
There is described a transmission arrangement wherein a substantially steady-state power source drives an input shaft. The output shaft is selectively driven by gear arrangements between the input...
Matches 1 - 50 out of 97 1 2 >