Patents for F16D 57 - Liquid-resistance brakes; Air-resistance brakes (1,392)
06/1991
06/19/1991EP0432903A1 Hydraulic retarder and control apparatus
05/1991
05/28/1991US5018607 Hydraulic dashpot for pipeline systems
05/28/1991US5018606 Electrophoretic fluid damper
05/23/1991DE4036711A1 Hydraulic vehicle braking pump - incorporates swashplate drive and control valves for min. drag
05/23/1991DE4036709A1 Swashplate pump for brake circuit - may be set to null setting with min. drag
05/22/1991EP0428311A2 Hydraulic retarder and control
05/15/1991EP0427116A1 Brake power converter
05/01/1991CN2076185U Balanced braking device for automobile
04/1991
04/16/1991US5007509 For a vehicle
03/1991
03/21/1991WO1991003661A1 Device for reducing the idling losses in hydrodynamic brakes
03/19/1991US5000300 Hydraulic retarder and control
02/1991
02/28/1991DE3928230A1 Hydraulic hub brake with integrated pump and constriction - provides adjustments of fluid flow and resistance in housing connected by spokes to rim of wheel
02/28/1991DE3928229A1 Hydraulic hub brake with integrated pump and construction - provides adjustments of fluid flow and resistance in housing connected by spokes to rim of wheel
01/1991
01/08/1991US4982819 Motor vehicle
01/01/1991US4981198 Hydraulic retarder and control
10/1990
10/31/1990DE4014175A1 Cooling system for oil pump - makes use of common drive shaft for pump and blower
09/1990
09/27/1990DE3909231A1 Automatic-control viscous brake for quick, smooth braking of masses with high kinetic energy
09/06/1990DE3907053A1 Oil-hydraulic sustained-action brake for braking vehicles
08/1990
08/07/1990US4946014 On a vehicle having a crankshaft
07/1990
07/04/1990CN1043478A Vehicle air brake system and valves for it
07/03/1990US4938323 Hydrodynamic brake
05/1990
05/29/1990US4928799 Hydraulic dashpot
05/09/1990EP0367009A1 Brake system
05/09/1990EP0367008A1 Retarder
05/08/1990US4922872 Engine brake system
05/01/1990US4921079 Hydrodynamic retarder
04/1990
04/27/1990CA2000767A1 Vechicle air brake system and valves for it
04/05/1990WO1990003290A1 A hydrodynamic brake
03/1990
03/22/1990DE3930540A1 Hydrodynamic brake for motor vehicle - is built as sub-assembly and installed between engine and gearbox
03/22/1990DE3831596A1 Hydraulic brake, particularly for power test stands
01/1990
01/31/1990EP0352743A1 Brake mechanism for vehicles
01/17/1990CN2051315U Load-sensing boosting cylinder of hydraulic brake
01/10/1990EP0349896A2 Deceleration apparatus and method for stopping a racing vehicle
11/1989
11/23/1989EP0342405A1 Hydraulic damper for pipeline systems and the like
11/23/1989EP0342394A1 Hydraulic shock absorber
11/21/1989US4881625 Control valving for a hydraulic retarder
11/14/1989US4880083 Deceleration apparatus and method for stopping a racing vehicle
09/1989
09/26/1989US4869125 Rotary oil damper
09/26/1989CA1260359A1 Hydrodynamic retarder
09/14/1989DE3807056A1 Brake system for vehicles
07/1989
07/11/1989US4846316 Hydraulic retarder attached with parking brake
07/11/1989US4846047 Brake booster with seal housing and key member
06/1989
06/15/1989WO1989005410A1 Fluid retarder
06/01/1989DE3738745A1 Hydrodynamischer retarder The hydrodynamic retarder
05/1989
05/16/1989US4830151 Damper comprising rotor shaft and gear sleeve having equal external diameter portions with clutch spring wound thereabout
05/09/1989US4828079 Hydraulic retarder with parking brake
04/1989
04/19/1989CN2036225U Double circuit braking system with vacuum booster
02/1989
02/22/1989CN2033075U Piston brake air chamber
02/16/1989DE3726318A1 Brake device acting automatically, hydraulically and eccentrically without friction
02/07/1989US4802560 Combined wheel/brake apparatus using electro-rheological fluid
01/1989
01/10/1989US4796733 Oil damper
12/1988
12/28/1988EP0296728A2 Control circuit for vehicle retardation
11/1988
11/23/1988EP0291932A1 Hydraulic retarder with parking brake
10/1988
10/19/1988EP0287099A2 A hydraulic retarder attached with parking brake
10/13/1988DE3708679A1 Hydrodynamic flow circuit with a device for active/adaptive idling torque minimisation
09/1988
09/27/1988US4773513 Hydrodynamic working circuit with device for reducing air circulation losses
09/06/1988US4768401 Vehicle retarder system and control
05/1988
05/17/1988US4744724 Absorption dynamometer
05/17/1988US4744443 Hydrodynamic retarder
04/1988
04/06/1988CN87206404U Braking device
03/1988
03/24/1988WO1988001953A1 Vehicle retarder
02/1988
02/11/1988DE3726031A1 Oil damper
01/1988
01/07/1988EP0251073A2 Wheel brake for vehicles, particularly for aircraft and spacecraft
12/1987
12/29/1987US4715481 Hydrodynamic retarder
12/08/1987US4711328 Hydrodynamic retarder with a centrifugal accumulator
10/1987
10/06/1987US4697673 One-way damper
09/1987
09/08/1987US4691589 Viscous rotary damper
08/1987
08/26/1987EP0233331A1 Hydrodynamic retarder with device for reducing air circulation losses
08/05/1987EP0160107B1 Apparatus for horizontally and intermittently drawing out cast steel piece from horizontal mold of horizontal continuous casting machine
07/1987
07/14/1987US4679666 Weight responsive rotary retardation device
06/1987
06/25/1987DE3545658A1 Hydrodynamic brake for a vehicle
04/1987
04/07/1987US4655327 Impeller type descent slowing device
03/1987
03/31/1987US4653616 Damper
12/1986
12/23/1986US4630507 For improved braking efficiency
12/02/1986US4626044 Hydraulic brake for vehicles
10/1986
10/21/1986US4618039 One-way clutch
06/1986
06/25/1986EP0185643A2 Brake, particularly for motor vehicles
05/1986
05/27/1986US4590985 Apparatus for horizontally and intermittently withdrawing cast steel strand from horizontal mold of horizontal type continuous casting machine
04/1986
04/16/1986EP0177767A1 Service brake for a motor vehicle or bus
02/1986
02/04/1986CA1200234A1 Reel for a life-line
12/1985
12/20/1985CN85200453U Explosion-proof brake equipment of dowm-conveying belt conveyor
12/20/1985CN85200452U Brake equipment of down-conveying belt conveyor
11/1985
11/06/1985EP0160107A1 Apparatus for horizontally and intermittently drawing out cast steel piece from horizontal mold of horizontal continuous casting machine
10/1985
10/16/1985EP0158095A1 Brake, especially for the hauling cables at pulling-in devices of hauling lifts
10/01/1985CA1194506A1 Weight responsive rotary retardation device
09/1985
09/04/1985EP0153882A2 Hydraulic brake
08/1985
08/06/1985CA1191366A1 Rotary retardation devices
07/1985
07/09/1985US4527675 Oil type damper
05/1985
05/15/1985EP0141069A2 Hydraulic brake for vehicles
05/09/1985WO1985001900A1 Apparatus for horizontally and intermittently drawing out cast steel piece from horizontal mold of horizontal continuous casting machine
02/1985
02/05/1985US4497393 Rotary retardation devices
01/1985
01/15/1985US4493227 Self-locking differential gear unit; more specially for motor vehicles
01/09/1985EP0055780B1 Flywheel apparatus for storing electrical energy
12/1984
12/27/1984CA1179919A Water brake
11/1984
11/06/1984US4480728 Retarder brake control
10/1984
10/09/1984US4475636 Water brake
10/02/1984US4474270 Adjustable hydrodynamic brake
08/1984
08/07/1984US4463830 Reel for a life-line
07/1984
07/10/1984US4458792 Automotive retarder
06/1984
06/19/1984US4454935 Hydrodynamic brake
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