Patents
Patents for F16H 15 - Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members (3,956)
02/1992
02/04/1992US5085089 Infinitely variable traction roller transmission
01/1992
01/29/1992EP0468511A1 Centrifugal planetary friction transmission
01/28/1992US5083473 Ratio control system for toroidal continuously variable transmission
01/26/1992CA2047894A1 Centrifugal planetary friction transmission
01/23/1992WO1992001175A1 Transmission of the toroidal-race rolling-traction type
01/22/1992EP0467410A2 Control valve assembly of traction roller transmission
01/22/1992EP0467382A1 Traction drive transmission and lock-up control
01/20/1992CA2021533A1 Torque transmitting device
01/15/1992EP0466113A1 Continously variable traction roller transmission
01/15/1992EP0465477A1 Continuously variable transmissions
12/1991
12/17/1991US5073159 Vehicle transmission
12/17/1991CA1293139C Continuously variable differential
12/10/1991US5071394 Continuously variable transmission
12/05/1991DE4017869A1 Friction gear with intersecting axes - incorporates hollow bevel wheel set on driven output shaft
12/04/1991EP0459291A1 Continuously variable traction roller transmission
12/04/1991EP0459234A1 A disk-type epicycloidal variator incorporating an epicycloidal combiner
11/1991
11/26/1991US5067360 Toroidal continuously variable transmission
11/13/1991EP0456503A1 Friction-type stepless speed change device
10/1991
10/29/1991US5061228 Continuously variable transmission
10/09/1991EP0450495A2 Continuously variable traction roller transmission with a hydraulic control system
10/01/1991US5052236 Forward and reverse hydraulic control for toroidal continuously variable transmission
09/1991
09/25/1991EP0448532A2 Variable gear preferably for small high speed motors
09/24/1991US5051106 Transverse axis infinitely variable transmission
09/19/1991WO1991014116A1 Improvements in or relating to hydraulic control systems
09/18/1991EP0446216A1 Toroidal race rolling traction transmission unit.
09/17/1991US5048359 Toroidal continuously variable transmission
09/04/1991EP0444086A1 Transmission of the toroidal-race rolling-traction type.
09/04/1991CN2084131U Stepless gearing with auto-adjusting pressure, planet differential, and zero starting functions
09/03/1991US5045037 Friction stepless speed change device
08/1991
08/27/1991US5042239 Power transmission and steering apparatus for vehicles
08/08/1991WO1991011637A1 Improvements in or relatng to transmissions of the toroidal-race rolling-traction type
08/06/1991US5037361 Traction type transmission
07/1991
07/23/1991US5033322 Continuously variable traction roller transmission
07/18/1991DE4001037A1 Friction wheel gear with drive wheel - has compression spring driven shaft and two V-cam holders
07/09/1991US5030183 Friction stepless speed change device
07/09/1991US5029487 Continuously-variable-ratio transmissions of the toroidal race rolling traction type
07/09/1991US5029486 Speed variator with jamming shoes
07/02/1991US5027669 Dual toroidal cavity type continuously variable transmission
07/02/1991US5027668 Loading cam mechanism for toroidal type continuously variable transmission
06/1991
06/25/1991US5025672 Stepless transmission
06/18/1991US5024637 Automatic mechanical transmission apparatus with continuous variation of the transmission ratio from an infinite ratio up to a ratio less then 1/1
06/18/1991US5024635 Relating to ram units in transmissions of the toroidal race, rolling traction type
06/13/1991WO1991008405A1 Improvements in or relating to transmissions of the toroidal-race rolling-traction type
06/05/1991EP0429938A1 Infinitely variable traction roller transmission
06/05/1991EP0429530A1 Improvements in or relating to hydraulic control circuits for continuously-variable-ratio transmissions
06/04/1991US5020384 Infinitely variable traction roller transmission
05/1991
05/28/1991US5018400 Continuously variable traction drive speed changer
05/21/1991US5016486 Reversing drive mechanism
05/16/1991WO1991006791A1 Improvements in or relating to continuously-variable-ratio transmissions of the toroidal-race rolling-traction type
05/14/1991US5014565 Variable ratio transmission
05/08/1991EP0425914A2 Infinitely variable traction roller transmission
04/1991
04/16/1991US5007298 Toroidal-type infinitely variable transmission
04/03/1991EP0420157A2 Toroidal continuously variable transmission
03/1991
03/20/1991EP0352280A4 Traction drive transmission system
03/13/1991EP0416594A2 Gear housing for accommodating a toroidal continously variable transmission
03/06/1991EP0415391A2 Toroidal continuously variable transmission with ratio control system
03/05/1991US4996891 Infinitely variable traction roller transmission
02/1991
02/26/1991US4995279 Transmission systems
02/21/1991WO1990011906A3 Vehicle, continuously variable gear mechanism, and transport system
02/20/1991EP0413342A1 Toroidal continuously variable transmission
01/1991
01/30/1991EP0409852A1 Continuously variable transmissions.
01/29/1991US4987789 Swivel disk friction gearing
01/02/1991EP0405937A2 Speed change device
01/02/1991CN1048252A Ball gearing
12/1990
12/27/1990EP0210231B1 Radially oriented nutational traction drive transmission
12/26/1990CN1048090A Mechanical stepless speed change device using friction
12/12/1990EP0402177A2 Speed change device
12/05/1990EP0400187A1 Infinitely variable traction roller transmission
12/05/1990CN1047556A Automatic mechanism transmission apparatus with transmission rate which vary steplessly from infinitely great to less than 1/1
12/04/1990US4974466 Infinitely variable traction roller transmission
12/04/1990US4974465 Stepless speed changer
11/1990
11/28/1990EP0399888A1 Steplessly variable mechanical automatic transmission having a ratio between infinity and less than one
11/24/1990CA2017448A1 Automatic transmission continuously variable with an infinite ratio down to below 1/1
11/06/1990US4968290 Stepless speed change traction gear
11/06/1990US4968289 Continuously variable traction roller transmission
10/1990
10/31/1990EP0394944A2 Continuously variable traction roller transmission
10/25/1990DE4012060A1 Kontinuierliches variables getriebe Continuously variable transmission
10/23/1990US4964316 Infinitely variable transmission
10/23/1990US4964312 Infinitely variable traction roller transmission
10/18/1990WO1990011906A2 Vehicle, continuously variable gear mechanism, and transport system
10/16/1990US4963122 Continuously variable differential
10/04/1990WO1990011462A1 Continuously variable transmissions
10/03/1990EP0389790A2 Loading cam mechanism for a toroidal type continuously variable transmission including lubricating means
10/03/1990CN1045849A Variable drive
10/02/1990US4960004 Continuously variable traction roller transmission
09/1990
09/18/1990US4957474 Traction drive transmission system
09/18/1990CA1274106A1 Ball coupled compound traction drive
09/11/1990US4955246 Continuously variable traction roller transmission
08/1990
08/22/1990EP0225376B1 Radially oriented nutational traction drive transmission with large range of speed ratios
08/21/1990US4949588 For changing the drive ratio between an input and an output
08/08/1990EP0380933A2 Traction roller transmission ratio control arrangement
08/07/1990CA1272399A1 Reversible continuously variable transmission
07/1990
07/25/1990EP0379036A2 Fluid-friction clutch
07/25/1990EP0378813A1 Dual toroidal cavity type continuously variable transmission
06/1990
06/20/1990EP0373650A2 Continuously variable transmission system having parallel drive paths
06/20/1990EP0373649A2 Shift control system for a toroidal type continuously variable transmission
06/19/1990US4934206 Continuously variable traction roller transmission
06/19/1990US4934205 Stepless speed change device
05/1990
05/31/1990WO1990005864A1 Traction drive transmission system
05/31/1990WO1990005860A1 Improvements in or relating to transmissions of the toroidal-race rolling-traction type
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