Matches 1 - 43 out of 43


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US20090017960 Power-branched, continuously variable vehicle transmission  
A power-branched, continuously variable vehicle transmission includes a CVT variable speed drive that is connected to an input shaft through a planetary gear train and to an output shaft through a...
US20090203486 RATIO LIMITING ARRANGEMENT  
An arrangement is disclosed for providing an “end-stop” function for a variator in a continuously variable transmission. The variator (8) needs some arrangement for preventing its own drive ratio...
US20090137356 Continuously variable transmission with external cam  
A continuously variable transmission includes: (a) at least one external, three-dimensional cam; (b) at least four follower assemblies, each including a planet pulley, a roller shaft, and at least...
US20080176093 Powdered Metal Variator Components  
The use of powder metal components in a variator is disclosed. Traction fluid of various sorts may be used in the variators, not just high performance synthetics or application specific lubricants.
US20080242468 Power-Split Transmission  
A power-split transmission with a variator (1) is proposed, which is constructed as a toroid or friction wheel variator, as a band or chain variator, as a tapered ring transmission or as a...
US20070149342 Toroidal transmission  
A toroidal transmission, especially for motor vehicles, comprising an input shaft which can be connected to an engine, a first toroidal variator and a second toroidal variator which are connected...
US20120196717 FRICTION GEAR  
A friction gear for the continuously variable speed control of an output shaft driven by an input shaft, and which includes a gear or differential gear between first and second friction wheels,...
US20140045637 DRIVETRAIN PROVIDED WITH A CVT  
A compact drivetrain provided with a CVT that can be used in CVT low and high configurations and in a reverse configuration is described herein. In addition to the CVT, the drivetrain includes...
US20130303325 TOROIDAL TRACTION DRIVE TRANSMISSION  
A continuously variable transmission includes a gearbox with a forward mode and a reverse mode. The gearbox includes a plurality of gear members and further includes at least two torque...
US20070284844 WHEEL CHAIR  
A system for providing an automated axial force to a continuously variable transmission (CVT) in a wheelchair. An electronic transmission control receives one or more input signals generated by...
US20110165988 Transmission Producing Stepless Variable Speed Ratios  
A transmission includes a variator including a cone secured to an input, and a second cone driveably connected to the cone, producing a variable speed ratio between the cones, a gearset including...
US20130130859 TWO-MODE CONTINUOUSLY VARIABLE TRANSMISSION  
A continuously variable transmission includes a gearbox with two forward modes and a reverse mode. The gearbox includes a plurality of gear members and further includes at least three torque...
US20150219194 INFINITELY-VARIABLE TRANSMISSION FOR A VEHICLE  
An infinitely-variable transmission system is disclosed. The system comprises an input shaft (10) and an output shaft (14). The transmission is operative to transmit rotational drive between the...
US20100093480 CONTINUOUSLY VARIABLE TRANSMISSION  
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable accessory drives (CVAD). In one embodiment, a skew-based control system is...
US20150133257 CONTINUOUSLY VARIABLE TRANSMISSION  
The driving force from a drive source is transmitted from a main input shaft to a continuously variable transmission mechanism through an input switching mechanism and a first input path in which...
US20120142483 CONTINUOUSLY VARIABLE TRANSMISSION  
A variator (2) having a pair of semi-toroidally recessed races (11, 12) mounted to a housing (6) for rotation about a common variator axis. A roller (14) is mounted between the races to transfer...
US20110165987 Accessory Drive and Engine Restarting System  
A drive system includes a pulley, an engine, a variator for varying a ratio of an output speed and an input speed, a gearset including a first and second components driveably connected to the...
US20150240925 Input Clutch Assembly for Infinitely Variable Transmission  
The present invention provides an infinitely variable transmission for a powered vehicle which includes a power source. The transmission includes an input shaft and an output shaft, the output...
US20150226299 BALL TYPE CVT/IVT INCLUDING PLANETARY GEAR SETS  
Disclosed herein are power transmissions having one or more operational modes, for example, a continuously variable transmission (CVT) mode, an infinitely variable transmission (WT) mode, and an...
US20150252882 STEPLESS TRANSMISSION  
A stepless transmission 100 includes: a primary damper 30 placed between an engine output shaft 21 and an input shaft 11 of a stepless transmission mechanism 10, and elastically connecting the...
US20130210569 COMPOUND PLANETARY FRONT WHEEL DRIVE CONTINUOUSLY VARIABLE TRANSMISSION  
The present invention provides an automatic transmission for a motor vehicle having a compact single mode transfer gear continuously variable transmission (CVT) with a compound planetary gear...
US20100285916 TRANSMISSION ASSEMBLY FOR VARIABLE TORQUE DISTRIBUTION  
A transmission module for the variable distribution of torque in the driveline of a motor vehicle. A driveshaft 3 in a housing 8, is rotatingly drivable around a first axis of rotation A. A hollow...
US20140011624 TRANSMISSION WITH DISENGAGEABLE VARIATOR  
A transmission, preferably for driving a motor vehicle, includes a multi-gear main transmission and a range group, that is connected downstream from the main transmission and comprises an input...
US20120115667 CONTINUOUSLY VARIABLE TRANSMISSION  
Disclosed embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT). In one embodiment, a CVT has a number of spherical planets...
US20110165982 Accessory Drive and Engine Restarting System  
A drive system includes a pulley, an engine, a variator including an input and an output, for varying a ratio of output speed and input speed, and a gearset driveably interconnecting the input,...
US20140038761 SIMPLE PLANETARY GEARSET CONTINUOUSLY VARIABLE TRANSMISSION  
A CVT is provided that includes an input member, an output member, an input disk rotationally coupled to the input member, an output disk having an output gear, a roller disposed between the input...
US20110165986 Transmission Producing Continuously Speed Ratios  
A transmission includes an input, a variator including an output and a race connected to the input for producing a variable speed ratio between the output and the race, a gearset including a...
US20100248887 Twin Variator Transmission Arrangement  
A transmission arrangement is disclosed which comprises first and second variators (166, 169) each of which comprises an input race (150, 154) and an output race (152, 156). A plurality of rollers...
US20100323839 FORWARD-REVERSE SWITCHING DEVICE FOR VEHICLE  
A forward-reverse switching device for a vehicle includes a planetary gear set and a one-way clutch coupled to any two rotating elements among first, second and third rotating elements, each...
US20100203998 VARIABLE TRANSMISSION DEVICE FOR A VEHICLE  
A continuously variable transmission device (1) for a vehicle with a variator (3), a planetary gear unit (4) and a manual gear unit (9) arranged in a transmission housing. The variator (3) is...
US20170051815 Infinitely Variable Transmission  
A family of transmission gearing arrangements utilize one or two ball variators to establish a continuous range of speed ratios between an input and an output. In each case, the range of speed...
US20160356369 DEVICE FOR CONTINUOUSLY VARIABLE TRANSMISSION  
A mechanical rotary device for continuously variable transmission, the device comprising: a primary rotor adapted to transfer power from a rotary power source to an output shaft; a central...
US20160116036 GEAR SCHEME FOR INFINITELY VARIABLE TRANSMISSION  
A gear scheme for an infinitely variable transmission includes an input shaft, an output shaft, a variator, and a pair of planetary gearsets located beside the variator rather than in front of or...
US20160109007 INPUT CLUTCH ASSEMBLY FOR INFINITELY VARIABLE TRANSMISSION  
The present invention provides an infinitely variable transmission for a powered vehicle which includes a power source. The transmission includes an input shaft and an output shaft, the output...
US20160109005 SPLIT POWER INFINITELY VARIABLE TRANSMISSION ARCHITECTURE INCORPORATING A PLANETARY TYPE BALL VARIATOR WITH LOW VARIATOR LOADING AT VEHICLE LAUNCH  
A transmission includes an input shaft, an output shaft, at least four planetary gearsets, a variable-ratio unit, and at least four clutches. The input shaft is configured to receive torque from a...
US20160109003 SPLIT POWER CONTINUOUSLY VARIABLE TRANSMISSION ARCHITECTURE INCORPORATING A PLANETARY TYPE BALL VARIATOR WITH MULTIPLE FIXED RANGES  
A transmission includes an input shaft, an output shaft, at least three planetary gearsets, a variable-ratio unit, and at least nine clutches. The input shaft is configured to receive torque from...
US20160109002 SPLIT POWER INFINITELY VARIABLE TRANSMISSION ARCHITECTURE INCORPORATING A PLANETARY TYPE BALL VARIATOR WITH LOW PART COUNT  
A transmission includes a housing, an input shaft, an output shaft, a first gearset, a second gearset, a variable-ratio unit, a first torque transmitting mechanism, and a bypass torque...
US20160109001 SPLIT POWER INFINITELY VARIABLE TRANSMISSION ARCHITECTURE INCORPORATING A PLANETARY TYPE BALL VARIATOR WITH MULTIPLE FIXED RANGES AND LOW VARIATOR LOAD AT VEHICLE LAUNCH  
A transmission includes an input shaft, an output shaft, a variable-ratio unit, and a plurality of torque transmitting mechanisms. The plurality of torque transmitting mechanisms include a first...
US20160047448 BALL TYPE CONTINUOUSLY VARIABLE TRANSMISSION  
A variable transmission includes an input shaft, a planetary gear set drivingly engaged with a variator comprising, a variator carrier assembly, a first ring assembly, and a second ring assembly;...
US20160033021 TRANSMISSION AND DRIVELINE HAVING A TILTING BALL VARIATOR CONTINUOUSLY VARIABLE TRANSMISSION  
A transmission is provided. The transmission includes an input portion drivingly engaged with a power source, a planetary gear, a continuously variable variator, and a clutching device. The...
US20160003334 SPLIT POWER INFINITELY VARIABLE TRANSMISSION ARCHITECTURE  
A transmission includes an input shaft, an output shaft, a variator, a plurality of clutches including a first clutch, a second clutch, a third clutch, a fourth clutch, and a variator bypass...
US20150204430 BALL TYPE CVT WITH POWERSPLIT PATHS  
A variable transmission comprises an input shaft; three planetary gear sets; a Ravigneaux gear set; a variator comprising, a first ring assembly, a second ring assembly, a carrier assembly;...
US20150204429 BALL TYPE CVT WITH OUTPUT COUPLED POWERPATHS  
Systems, devices, and methods are provided for the transmission of power in motor vehicles. Power can be transmitted in a smoother and more efficient manner, with smaller and even less mechanical...

Matches 1 - 43 out of 43