| Patents for F16H 9 - Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members (5,673) |
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| 03/16/1991 | CA2021399A1 Control method and apparatus for continuously variable transmissions |
| 03/12/1991 | US4999774 Speed ratio control system and method for a continuously variable transmission for a vehicle |
| 03/12/1991 | US4998908 Transmission chain for a continuously variable conical pulley drive |
| 03/05/1991 | US4997074 CVT hydraulic start clutch |
| 02/21/1991 | DE3926810A1 Steel cable drive for stepless gearing - consists of one or more steel bands, braided cord and or cord or wire bands |
| 02/19/1991 | US4993284 Control device for vehicular engine continuously variable transmission system |
| 02/07/1991 | WO1991001228A1 Variable drive transmission |
| 02/05/1991 | US4990383 Plastic coated steel tube and method for preparing the same |
| 02/05/1991 | US4990127 Power transmissi |
| 02/05/1991 | US4990126 Continuously variable transmission |
| 02/05/1991 | US4990123 Continuously variable transmission system having a variable diameter pulley with resiliently biased belt engaging members |
| 01/22/1991 | US4986799 Transmission chain with pivot pins and intermediate pieces with rolling contact action |
| 01/22/1991 | US4986798 Transmission chain with pivot pins and intermediate pieces with rolling contact action |
| 01/10/1991 | WO1991000446A1 High-efficiency steepless speed change gear of mechanical type |
| 01/02/1991 | EP0405022A1 Continuously variable transmission |
| 01/02/1991 | EP0405021A1 Continuously variable transmission |
| 12/27/1990 | WO1990015942A1 Variable diameter pulley assembly |
| 12/27/1990 | WO1990015940A1 A continuously variable transmission system |
| 12/27/1990 | EP0404472A2 Method for making a weight roller |
| 12/26/1990 | CN1048092A Continuously variable transmission system having variable diameter pulley changed together with axial force |
| 12/26/1990 | CN1048089A Continuously variable transmission system having variable diameter pulley with resiliently biased engaging members |
| 12/20/1990 | DE3918348A1 Externally and internally geared concentric input and output shafts - are linked by toothed belt, fitted in torque-transmitting contact over pulleys, and supported against several teeth of output shaft |
| 12/13/1990 | CA2011130A1 Continuously variable transmission system having a variable diameter pulley with resiliently biased belt engaging members |
| 12/13/1990 | CA2007851A1 Continuously variable transmission system having variable diameter pully assemblies responsive to axially directed forces |
| 11/27/1990 | US4973288 Belt drive continuously variable speed transmission |
| 11/15/1990 | DE3915720A1 Slide piece for power transmission system - consists of metal tension belt with cone pulleys and U=shaped support bracket |
| 11/13/1990 | US4969856 Pulley type speed-shifting device |
| 11/07/1990 | EP0396091A1 Multistep sprocket wheel device for a bicycle |
| 11/07/1990 | CN2065263U Infinitely-variable gearing adapting to resistance variation of motorcycle |
| 10/24/1990 | EP0393618A2 Method of controlling a traction-roller-type continuously variable transmission |
| 10/23/1990 | US4964841 Continuously variable transmission |
| 10/09/1990 | US4961719 Variable drive transmission |
| 09/26/1990 | EP0389030A1 Pulley |
| 09/11/1990 | US4955260 Hydraulic control system for transmission |
| 09/04/1990 | CA1273504A1 Power transmission system |
| 08/28/1990 | US4952201 Mechanical power transmission |
| 08/22/1990 | EP0383282A1 Pulley type speed-shifting device |
| 08/14/1990 | US4947700 Continuously variable transmission system and long travel torsion damper therefor |
| 08/08/1990 | EP0381258A1 Transmission provided with a driving belt and V-shaped pulleys |
| 08/07/1990 | US4946426 Self-positioning belt tensioner |
| 08/07/1990 | US4946424 Belt driven continuously variable transmission |
| 08/07/1990 | US4946423 Infinitely variable transmission |
| 07/31/1990 | US4944376 Brake band drum for planetary gear-type transmissions |
| 07/24/1990 | US4942786 Continuously variable transmission system with by-pass check valves |
| 07/18/1990 | EP0377918A1 Transverse element for a driving belt |
| 07/17/1990 | US4941863 Stepless speed change mechanism in belt transmission device |
| 07/03/1990 | US4938732 Continuously variable transmission system having variable diameter pulley assemblies responsive to axially directed forces |
| 07/03/1990 | CA1271059A1 Continuously variable transmission for motorvehicle |
| 07/03/1990 | CA1271058A1 Planet gears reversing gear, particularly for an infinitely variable cone sheaves gear for motor vehicles |
| 06/26/1990 | US4936813 Chain belt for V pulleys |
| 06/26/1990 | US4936165 Variable speed transmission unit |
| 06/20/1990 | EP0373865A2 Transmission ratio control system for a continuously variable transmission |
| 06/19/1990 | US4934991 Transmission chain |
| 05/29/1990 | US4929218 Continuously variable transmission |
| 05/29/1990 | US4928956 Speed-adjusting mechanism of a tread mill |
| 05/23/1990 | EP0369446A2 Transient reduction ratio control during shift between two mode operations |
| 05/22/1990 | US4927404 Link chain for an infinitely variable cone drive disk transmission |
| 05/22/1990 | US4926716 Method of controlling continuously variable transmission system |
| 05/15/1990 | US4924728 For motor vehicles |
| 05/09/1990 | EP0367620A1 Belt for a continously variable transmission |
| 05/09/1990 | EP0367321A1 Transmission chain for a continuously variable conical pulley drive |
| 05/02/1990 | EP0283480B1 Transmission mechanism with continuously variable ratio |
| 04/25/1990 | EP0365302A1 Line pressure control system for a continuously variable transmission |
| 04/25/1990 | EP0365276A1 Control system for a selectable two/four-wheel drive vehicle with a continously variable belt-drive transmission |
| 04/25/1990 | EP0365067A1 Transmission chain with pivot pins and intermediate pieces with rolling contact action |
| 04/25/1990 | EP0365061A1 Transmission chain |
| 04/24/1990 | US4919643 Device for setting a gear ratio in a continually variable belt-drive transmission |
| 04/18/1990 | EP0364269A1 Transmission ratio control system for a continuously variable transmission |
| 04/18/1990 | EP0363939A1 Transmission for converting a reciprocating motion into a rotary motion and inversely |
| 04/17/1990 | US4916982 Improvements in controls relating to engine braking in a continuously variable transmission |
| 04/17/1990 | CA1267795A1 Drive system with wear compensator |
| 04/11/1990 | EP0362963A1 Transmission chain with pivot pins and intermediate pieces with rolling contact action |
| 04/03/1990 | US4913685 Wheel with variable diameter |
| 04/03/1990 | US4913684 Automatic variable transmission for vehicles |
| 03/22/1990 | DE3831674A1 Continuously variable roller-chain drive |
| 03/20/1990 | US4909778 Link chain for an infinitely variable cone disk or cone pulley transmission |
| 03/13/1990 | US4907471 V-belt type continuously variable transmission |
| 03/06/1990 | US4906221 Continuously variable transmission with unique fluid flow path structure |
| 02/27/1990 | US4904229 Belt-and-pulley type continuously variable transmission and method for controlling the same |
| 02/21/1990 | CN1039755A Plastic coated steel tube |
| 02/06/1990 | US4898567 Pulleys for belt-and-pulley type continuously variable transmission |
| 01/25/1990 | DE3825091A1 Variable flexible drive |
| 01/11/1990 | DE3822712A1 Power transmission element for flexible transmissions |
| 01/10/1990 | CN2050910U Belt (chain) wheel speed reducer |
| 01/09/1990 | US4892507 Single or double variable diameter pulley and speed variators including such a double pulley |
| 01/02/1990 | US4890516 Ratio control system for continuously variable transmission |
| 12/20/1989 | CN2049713U Double ingeniously forcing stepless speed-variator |
| 12/20/1989 | CN1006182B Improved drive system with wear compensator |
| 12/13/1989 | EP0346101A2 Plastic coated steel tube |
| 12/06/1989 | EP0345139A1 Variable-diameter single or double pulley and speed variator including such a double pulley |
| 12/05/1989 | US4884997 V-pulley for belt type continuously variable transmission |
| 11/15/1989 | EP0341474A1 Infinitely variable cone pulley transmission, especially for automotive vehicles |
| 11/15/1989 | CN2047738U Automatic infinitely variable chain gearing |
| 11/08/1989 | EP0340608A2 Continuously variable transmission system and long travel torsion damper therefor |
| 11/01/1989 | CN2046946U Automatic stepless diameter-changing wheel transmission device |
| 10/24/1989 | US4875894 Continuously variable transmission |
| 10/24/1989 | US4875893 Continuous speed variator with expanding pulleys |
| 10/24/1989 | US4875635 Programmed ratio mechanical transmission |
| 10/24/1989 | US4875389 Chain driven, continuously infinite variable speed transmission system |
| 10/17/1989 | US4874351 Continuously variable belt-drive transmission |