| Patents for F16D 57 - Liquid-resistance brakes; Air-resistance brakes (1,392) |
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| 03/28/2000 | US6041899 Rotary control damper |
| 03/16/2000 | WO2000013952A1 Energy management system |
| 03/02/2000 | DE19853830C1 Braking mechanism with hydrodynamic retarder for heavy vehicles comprises oil storage vessel to cool circulating work fluid |
| 02/23/2000 | EP0980324A1 Hydrodynamic mechanical compound transmission |
| 02/03/2000 | DE19833892A1 Hydrodynamic retarder for motor vehicle has valve between retarder and accumulator to build up pressure during operation of retarder, and accumulator is self-priming type and served by electrically or pneumatically driven pump |
| 02/03/2000 | DE19833891A1 Hydrodynamic retarder for motor vehicle has control system with regulating valve to deliver contents of pressurized accumulator to retarder, and which controls both emptying and replenishment of accumulator |
| 01/20/2000 | DE19918701A1 Getriebe mit Retarder Transmission with retarder |
| 01/20/2000 | DE19831922A1 Antriebseinrichtung in einem Kraftfahrzeug Drive means in a motor vehicle |
| 01/19/2000 | EP0972916A2 Drive system in a motor vehicle |
| 01/12/2000 | EP0970860A2 Gearbox with retarder |
| 12/23/1999 | DE19827604A1 Hydrodynamically operated retarder suitable for co-operation with anti-lock braking system |
| 11/24/1999 | EP0958464A1 Hydrodynamic retarder with an axially displaceable rotor |
| 11/24/1999 | EP0958463A1 Hydrodynamic retarder with an axially displaceable stator |
| 11/23/1999 | US5988344 Fluid power transmission clutch brake |
| 11/03/1999 | EP0830528A4 Hydraulic coupling for vehicle drivetrain |
| 10/21/1999 | WO1999052755A1 Hydraulic retarder |
| 10/21/1999 | DE19816101A1 Hydraulischer Retarder Hydraulic Retarder |
| 09/30/1999 | WO1999049230A1 Hydrodynamic machine, especially hydrodynamic retarder |
| 09/30/1999 | DE19812735C1 Hydrodynamische Maschine, insbesondere hydrodynamischer Retarder A hydrodynamic machine, especially a hydrodynamic retarder |
| 09/23/1999 | DE19809467A1 Hydrodynamic mechanical compound transmission for vehicles |
| 09/10/1999 | WO1999044871A1 Hydrodynamic mechanical compound transmission |
| 09/09/1999 | DE19840287A1 Automatic shifting gearbox, especially for cars |
| 09/09/1999 | DE19807280A1 Vehicular hydrodynamic brake or clutch with two impellers |
| 09/09/1999 | DE19807277A1 Hydrodynamic brake system or hydrodynamic clutch |
| 08/31/1999 | US5944160 Drive unit with a hydrodynamic retarder and transmission |
| 08/24/1999 | US5941788 Vehicle drivetrain differential |
| 08/19/1999 | DE19840468A1 Automatic shift transmission especially for heavy goods vehicles |
| 08/19/1999 | DE19840288A1 Automotive automatic gear box with hydrodynamic section as synchromesh |
| 08/19/1999 | DE19840284A1 Drive arrangement for cars |
| 08/11/1999 | EP0699144B1 Process and control system for limiting the braking effect which may be utilised from a hydrodynamic auxiliary brake in a motor vehicle |
| 07/29/1999 | WO1999037936A1 Dynamic fluid speed reducer |
| 07/20/1999 | US5924337 Drive unit with a hydrodynamic retarder and transmission |
| 06/16/1999 | EP0922831A2 Winding mechanism |
| 05/27/1999 | DE19751776A1 Retarder for utility vehicle transmissions |
| 05/12/1999 | EP0682754B1 Vehicle drivetrain hydraulic coupling |
| 03/30/1999 | US5888163 Hydraulic coupling for vehicle drivetrain |
| 03/18/1999 | DE19842478A1 Hydraulic clutch-stop mechanism for gearbox |
| 02/23/1999 | US5873342 Drive unit with internal combustion engine and hydrodynamic retarder |
| 12/23/1998 | EP0886083A2 Limited slip differential |
| 12/23/1998 | EP0885351A1 Drive unit with a motor and a retarder |
| 12/01/1998 | US5842547 Controllable brake |
| 11/11/1998 | EP0684916B1 Braking device for a rail vehicle, in particular a locomotive, and a rail vehicle fitted with such a braking device |
| 11/03/1998 | US5829562 For a motor vehicle |
| 10/29/1998 | DE19716919A1 Method for maximum utilisation of retarder braking effect |
| 10/28/1998 | EP0873926A2 Apparatus and procedure to maximally utilize the braking of a retarder |
| 10/13/1998 | US5819697 Drive unit with internal combustion engine and hydrodynamic retarder |
| 10/08/1998 | DE19810398A1 Retarder system for assembly of two moving parts such as retractable ashtray in driving compartment of motor vehicle |
| 08/27/1998 | DE19707558A1 Blade wheel for hydrodynamic machine, particularly for retarder or coupling |
| 08/27/1998 | DE19707557A1 Blade wheel for machine through which medium flows, e.g. hydrodynamic machine or blower |
| 08/24/1998 | CA2238627A1 Hydraulic braking device |
| 08/18/1998 | US5794588 Drive unit with an engine and a retarder |
| 08/13/1998 | WO1998035171A1 Hydrodynamic retarder with an axially displaceable rotor |
| 08/13/1998 | WO1998035170A1 Hydrodynamic retarder with an axially displaceable stator |
| 08/13/1998 | DE19704407A1 Hydrodynamic retarder braking moment adjustment |
| 08/13/1998 | DE19704304A1 Hydrodynamic retarder unit for power medium control |
| 07/14/1998 | US5779008 Drive unit with engine and retarder |
| 06/30/1998 | US5771997 Braking system in conjunction with a hydrodynamic retarder, specifically for motor vehicles |
| 06/02/1998 | US5758619 Drive unit with internal combustion engine and hydrodynamic retarder |
| 05/28/1998 | DE19647064A1 Hydrodynamic brake |
| 05/27/1998 | CN1182842A Friction free speed-reducing brake for mechanical rotation movement |
| 05/14/1998 | DE19646598A1 Hydrodynamic brake for vehicles |
| 05/14/1998 | DE19646597A1 Hydrodynamic brake for motor vehicles |
| 04/28/1998 | US5743232 Drive unit with an engine and a retarder |
| 04/15/1998 | EP0835992A2 Propulsion unit, especially for a motor vehicle |
| 04/15/1998 | EP0835991A2 Propulsion unit, especially for a motor vehicle |
| 04/07/1998 | US5735764 Hydraulic coupling for vehicle drivetrain |
| 03/25/1998 | EP0830528A1 Hydraulic coupling for vehicle drivetrain |
| 02/24/1998 | US5720374 Backfill pressure control valve for a rotating clutch |
| 02/04/1998 | EP0822350A2 Lubricating structure for wet-type clutch |
| 01/08/1998 | WO1998000649A1 Magnetorheological fluid brake |
| 12/17/1997 | EP0812746A2 Drive assembly with retarder and heat exchanger |
| 12/17/1997 | EP0812745A2 Retarder |
| 10/29/1997 | EP0803419A1 Drive unit with an engine and a retarder |
| 10/29/1997 | EP0803418A1 Drive unit with an engine and a retarder |
| 10/29/1997 | EP0803417A1 Drive unit with an engine and a retarder |
| 10/29/1997 | EP0803416A1 Drive unit with an engine and a retarder |
| 10/14/1997 | US5676532 Adjustable one-way rotary liquid pumping device |
| 09/12/1997 | WO1997033077A1 Drive unit with a motor and a retarder |
| 09/10/1997 | EP0794326A1 Drive unit with an engine and a retarder |
| 08/19/1997 | US5657723 For a motor vehicle |
| 08/14/1997 | DE19616426C1 Drive unit with hydrodynamic retarder |
| 08/12/1997 | US5655881 Fluid turbine |
| 07/29/1997 | US5651432 Hydrodynamic brake |
| 07/24/1997 | DE19616578C1 Drive head for rotary driven rod linkage for borehole pump |
| 07/24/1997 | DE19616425C1 Propulsion unit with engine and retarder |
| 06/25/1997 | EP0641499B1 Rotational electric vehicle drive motor |
| 06/05/1997 | DE19641450A1 Drive unit for motor vehicle |
| 06/04/1997 | EP0776805A2 Drive unit |
| 06/04/1997 | EP0776804A2 Drive unit |
| 06/03/1997 | US5634507 Driving device for vertically movable shutters |
| 05/28/1997 | DE19616427A1 Drive system with retarder as cooling and braking aid |
| 05/02/1997 | EP0770544A1 Propulsion plant for a L.N.G. carrier |
| 03/25/1997 | US5613472 For a motor vehicle |
| 03/20/1997 | DE19641451A1 Liquid-cooled automotive power unit with gearbox |
| 02/20/1997 | DE19623680A1 Hydrodynamic motor vehicle retarder |
| 01/30/1997 | WO1997003305A1 Braking method |
| 01/21/1997 | US5595214 Hydraulic coupling for vehicle drivetrain |
| 12/19/1996 | WO1996041090A1 Hydraulic coupling for vehicle drivetrain |
| 12/05/1996 | DE19520245A1 Hydraulic brake for roller carrying paper or fabric |
| 11/19/1996 | CA2036891C Hydraulic brake |