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