| 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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| 02/23/1988 | EP0225376A4 Radially oriented nutational traction drive transmission with large range of speed ratios. |
| 02/09/1988 | US4723455 Mechanical variable speed drive |
| 01/19/1988 | CA1231557A1 Nutating traction drive transmission |
| 01/12/1988 | US4718294 Ratio control spool valve for a toroidal type infinitely variable traction roller transmission |
| 12/22/1987 | US4713978 Automotive transmissions of the rolling traction type |
| 12/22/1987 | US4713977 Friction-disk transmission comprising a tiltable disk |
| 12/22/1987 | US4713976 Differential having a generally spherical differencing element |
| 12/16/1987 | CN86103848A Steel ball gear stepless speed variator |
| 12/10/1987 | DE3619135A1 Continuously variable control gear |
| 12/09/1987 | EP0248515A1 Reversible continuously variable transmission |
| 10/27/1987 | US4702118 Hydraulically controlled infinitely variable traction roller transmission |
| 10/20/1987 | US4700581 Single ball traction drive assembly |
| 09/22/1987 | US4694704 Infinitely variable traction roller transmission |
| 09/22/1987 | US4694701 Radially oriented nutational traction drive transmission with large range of speed ratios |
| 09/15/1987 | US4693134 High-powered vehicle drive train |
| 09/08/1987 | US4691592 Continuously-variable ratio transmission |
| 08/11/1987 | US4685355 Accessory drive device in engine |
| 08/04/1987 | US4683766 Transmission for self-propelled working vehicles |
| 07/28/1987 | US4682517 Variable speed drive--apparatus and method of fabricating the apparatus |
| 07/23/1987 | DE3601491A1 Planetary gear system with elastically deformed planet wheels and multi-stage control of the speed of revolution |
| 07/14/1987 | US4679456 Auxiliary device driving unit driven by a vehicle engine |
| 06/16/1987 | EP0225376A1 Radially oriented nutational traction drive transmission with large range of speed ratios. |
| 06/10/1987 | EP0224949A1 Friction-disk transmission comprising a tiltable disk |
| 06/04/1987 | DE3600627C1 Planetary friction gear system with elastically deformed planet gears and infinitely variable rpm control |
| 05/27/1987 | DE3639764A1 Variable-friction drive transmission device |
| 05/26/1987 | US4667525 Variable speed frictional drive transmissions |
| 05/05/1987 | US4662248 Hydraulic control system |
| 05/05/1987 | US4662244 Accessory drive device in engine |
| 04/28/1987 | US4660995 Hydrostatic axial thrust bearing structure |
| 04/22/1987 | EP0219223A2 Improvements in or relating to transmission systems |
| 04/21/1987 | US4658671 Fluid friction clutch |
| 04/01/1987 | EP0215918A1 Differential |
| 03/31/1987 | US4653349 Auxiliary device driving unit driven by an engine |
| 03/17/1987 | US4651082 Generating apparatus with an adjustable speed change mechanism |
| 03/03/1987 | US4647060 Bicycle design |
| 03/03/1987 | US4646581 Infinitely variable ratio transmission |
| 03/03/1987 | CA1218540A1 Method and apparatus for changing speed using a differential band |
| 02/24/1987 | US4644810 Conical drive |
| 02/17/1987 | US4643046 Accessory drive device in engine |
| 02/04/1987 | EP0210231A1 Radially oriented nutational traction drive transmission. |
| 02/03/1987 | CA1217357A1 Lawn mower friction drive mechanism |
| 01/27/1987 | US4638691 Control device of an infinitely variable transmission |
| 01/27/1987 | US4638687 Continuously-variable-ratio transmission having a single input member |
| 01/08/1987 | DE3620505A1 Infinitely variable mechanism |
| 01/07/1987 | EP0207184A1 Friction drive with tilting rollers |
| 12/23/1986 | US4630495 Variable ratio power transmission means |
| 12/23/1986 | US4630494 Radially oriented nutational traction drive transmission |
| 12/16/1986 | US4628766 Continuously-variable ratio transmission |
| 12/09/1986 | US4627309 Accessory drive device in engine |
| 12/04/1986 | WO1986007121A1 Radially oriented nutational traction drive transmission with large range of speed ratios |
| 12/02/1986 | US4625586 Resilient rod coupling member and adjusting structure for friction drive mechanism |
| 11/12/1986 | CN86104336A Stepless transmission, the distance between the cores of chain wheel and the middle axle is adjustable |
| 11/11/1986 | US4621542 Speed change control device for continuously variable transmission |
| 10/15/1986 | EP0197746A1 Drive apparatus for auxiliary equipment |
| 10/15/1986 | EP0197086A1 Multiple cone type variable transmission mechanism |
| 10/14/1986 | US4616519 Magnetically operated power transmission apparatus |
| 10/08/1986 | EP0196909A2 Drive apparatus for auxiliary equipment |
| 10/08/1986 | EP0196908A2 Drive apparatus for auxiliary equipment |
| 09/30/1986 | US4614125 Infinitely variable traction roller transmission |
| 09/25/1986 | WO1986005564A1 Differential |
| 09/03/1986 | EP0192684A1 Friction wheel torque converter. |
| 08/19/1986 | US4606234 Ratio control mechanism for a friction drive transmission |
| 08/06/1986 | EP0190032A1 A rolling traction automotive transmission |
| 08/05/1986 | US4603595 Common apex double cone variable speed mechanical transmission |
| 07/31/1986 | WO1986004397A1 Radially oriented nutational traction drive transmission |
| 07/15/1986 | US4599910 Speed reducing and torque transmitting mechanism |
| 07/02/1986 | CN85106904A Pendulum step and stepless planetary charge drive device |
| 06/25/1986 | EP0185344A2 Auxiliary device driving unit driven by a vehicle engine |
| 06/18/1986 | EP0184709A1 Accessory drive device in engine |
| 06/11/1986 | EP0184104A1 Accessory drive device in engine |
| 06/11/1986 | EP0184103A1 Accessory drive device in engine |
| 06/11/1986 | EP0184102A1 Accessory drive device in engine |
| 06/10/1986 | US4593574 Torque-dependent pressure mechanism for continuously adjustable ball-type planetary gear set |
| 06/03/1986 | US4592247 Continually adjustable ball-type planetary gear set |
| 06/03/1986 | US4592246 Infinitely variable transmission |
| 05/27/1986 | US4590815 Multiple cone type variable power transmission mechanism |
| 05/13/1986 | CA1204388A1 Self-propelled working vehicle |
| 04/10/1986 | WO1986002134A1 Multiple cone type variable transmission mechanism |
| 04/09/1986 | EP0177249A2 Drive apparatus for engine auxiliary equipment |
| 03/18/1986 | US4576055 Hydraulically controlled infinitely variable traction roller transmission |
| 03/13/1986 | WO1986001572A1 Friction wheel torque converter |
| 02/26/1986 | EP0172276A1 Hydraulically controlled infinitely variable traction roller transmission |
| 02/25/1986 | US4572016 Infinitely variable traction roller transmission |
| 02/25/1986 | US4572015 Nutating traction drive transmission |
| 02/19/1986 | EP0172023A1 Hydraulically controlled infinitely variable traction roller transmission |
| 02/18/1986 | US4570501 Transmission units of toroidal race rolling friction type |
| 02/04/1986 | US4567789 Method and apparatus for changing speed using a differential band |
| 12/24/1985 | US4559841 Gear train having an internal gear mechanism |
| 12/17/1985 | US4558606 Variable speed drive |
| 11/26/1985 | US4554841 Speed control device of a toric type infinitely variable transmission |
| 10/24/1985 | WO1985004699A1 Nutating traction drive transmission |
| 10/16/1985 | EP0158158A1 Auxiliary device driving unit driven by an engine |
| 09/18/1985 | EP0155112A1 Improvements in or relating to drive systems for automobile vehicles |
| 09/10/1985 | CN85100152A Flexible roller speed chang gear |
| 08/27/1985 | US4537578 Couplings |
| 08/27/1985 | US4537086 Infinitely variable toric transmission |
| 07/23/1985 | US4530257 Frictional ring gear |
| 07/02/1985 | US4526051 Infinitely variable traction roller transmission speed control arrangement |
| 06/25/1985 | US4524642 High torque infinitely variable epicyclic transmission |
| 06/25/1985 | US4524641 Continuously-variable ratio-transmission |