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| Number | Title | Issue Date |
| 7845477 | Automotive drive comprising a water-based retarder The invention relates to an automotive drive, comprising a cooling circuit with a coolant, a retarder having a rotor and a stator that together form a toroidal working chamber, with the coolant being the working medium of the retarder. The retarder has an inlet for ... | 12/07/2010 |
| 7628258 | Steering damper A four chamber hydraulic steering damper where a two sided rotary vane moves working fluid from one side of each vane to the adjacent side of the same vane when rotated in synchronism with the steering mechanism. The working fluid is directed through narrow passagew... | 12/08/2009 |
| 7575109 | Rotary damper and method for manufacturing rotary damper Described is a rotary damper comprising a partition wall to partition space formed between a rotor and a housing to house said rotor and to form a fluid chamber to be fluid-filled; and a vane to be disposed in said fluid chamber; and a plug to close an opening of sa... | 08/18/2009 |
| 7416063 | One-way damper and electronic devices using the one-way damper A one-way damper includes a cylindrical housing, a viscous fluid contained within the housing, a rotor rotatably disposed in the housing, and a valve body. The rotor has a center part for forming a rotational center, and a control wall extending radially outwardly f... | 08/26/2008 |
| 7360736 | Viscous braking device equipped with monodirectional mechanism, particularly for mosquito curtains A monodirectional braking mechanism for use with a device for extending and retracting a sheet of material on a roller, the braking mechanism comprising one or more than one housing, one or more than one rotor within the housing, a brake controller connected to the ... | 04/22/2008 |
| 7322450 | Rotating damper An adequate rotation angle is ensured and any member is not damaged due to fluid resistance even with use of highly viscous fluid. A rotating shaft (2) is provided inside a casing (1) having first divider walls (5) provided on its inner peripher... | 01/29/2008 |
| 7275794 | Braking system for a battery powered industrial truck A braking system for battery-powered industrial trucks, comprising a three-phase driving motor which drives a driving wheel, a first braking device associated with the driving wheel, a brake pedal with which a braking signal generator is associated to generate an el... | 10/02/2007 |
| 7275626 | Damper device A damper device includes a check valve operated to apply braking force to a rotary shaft having wing portions when rotated in a cylinder in one direction and, when the rotary shaft is rotated in the opposite direction, the check valve is not operated. Movement restr... | 10/02/2007 |
| 7270204 | Electrically motorized wheel with protective cover An electrically motorized wheel assembly is provided which may be used in automotive vehicles. The wheel assembly is equipped with at least one electric motor having an output shaft located eccentrically from an axle of a wheel. The wheel assembly includes a protect... | 09/18/2007 |
| 7258208 | Vertical mount disc brake with disc separator A brake (10) which is adapted to be rotationally coupled with an output shaft includes a housing (11). An inner shaft (33) is adapted to be attached to the output shaft for rotation therewith. A disc assembly (64) includes a plurality of ... | 08/21/2007 |
| 7249810 | Method for maintaining a desired braking torque A stepped braking system is used as a function of the required braking torque in this method for maintaining a desired braking torque in a vehicle equipped with stepped and infinitely-variable permanent braking systems whereby simultaneous activation of the stepped ... | 07/31/2007 |
| 7226037 | System for assuring engagement of a hydromatic brake on a drilling or well service rig The present invention provides an automatic system for engaging the hydromatic brake on a drilling rig or a service rig. This system monitors both the hook load and traveling block velocity, and uses an electrical solenoid to activates the hydromatic when either the... | 06/05/2007 |
| 7225905 | Magnetorheological fluid damper A magnetorheological damper device is provided having an increased shear interface area per unit volume of device, which enhances the stroking force of the damper. The damper generally includes a thrust shaft comprising an external threaded surface in threaded commu... | 06/05/2007 |
| 7207574 | Stabilizer bar with variable torsional stiffness A stabilizer bar for controlling the roll of an automotive vehicle has left and right sections, each provided with a torsion rod and a torque arm. The torsion rods are aligned along a transverse axis and attached to a structural component of the vehicle, while the t... | 04/24/2007 |
| 7204353 | Rotary damper, auto part having rotary damper and rotational motion assistant mechanism A rotary damper is provided which can include a valve (6) which automatically varies a flow rate of a viscous fluid passing through fluid passages (5a, 5b) in correspondence with variation in load. The valve (6) comprises a leaf spring. T... | 04/17/2007 |
| 7188712 | Hydrodynamic brakes A retarder having the following features: a rotor (1) and a stator (2) that, together, form a working space (3); a hollow shaft (4) for connecting, in a rotationally fixed manner, an input shaft (5), which is near a transmission, t... | 03/13/2007 |
| 7182186 | Hydrodynamic brake A hydrodynamic brake which comprises a stator and a rotor, arranged to form a toroidal space, and blades on the rotor and the stator extend into the space. A medium which is intended to be supplied to the toroidal space to effect a braking action. A first pipe circu... | 02/27/2007 |
| 7175008 | High-resistance decelerating device, particularly for insertion between two members in relative motion A decelerating device includes a casing defining internally a chamber filled with a viscous fluid, e.g. silicone oil; and a movable member fitted in fluidtight manner to the casing, so as to be housed at least partly inside the chamber and immersed in the viscous fl... | 02/13/2007 |
| 7147073 | Travel drive for heavy goods vehicles A heavy goods vehicle has several wheel pairs forming a driven wheel axle, which wheel pairs are each supported by a separate rocker arm, which extends between the wheels of the respective wheel pairs and carries on opposite sides two wheel hubs on which the wheels ... | 12/12/2006 |
| 7140271 | Damper and an assembly therewith A damper that is mounted to a printed circuit board of an automobile's climate control system includes a tactile feel and torque control mechanism for the user as the user controls the temperature and climate within the interior of an automobile. The damper incorpor... | 11/28/2006 |
| 7111712 | Rotating damper An adequate rotation angle is ensured and any member is not damaged due to fluid resistance even with use of highly viscous fluid. A rotating shaft (2) is provided inside a casing (1) having first divider walls (5) provided on its inner peripher... | 09/26/2006 |
| 7100749 | Operating material supply device The invention relates to an operating material supply device for hydrodynamic components, for example, hydrodynamic switching elements for use in starting units, retarder assemblies or gearing assemblies. The material supply device includes an operating material res... | 09/05/2006 |
| 7097013 | Hydrodynamic brake The present invention relates to a hydrodynamic brake which comprises a stator, a rotor, a toroidal space defined by the stator and the rotor, a medium which is intended to be supplied to the toroidal space when the brake is activated, and a multiplicity of componen... | 08/29/2006 |
| 7083014 | Drive device for a machine with a traction drive system and a hydraulic work system A drive device is provided for a machine with a traction drive system and a hydraulic work system. The traction drive system has a drive axle and the hydraulic system has at least one electric motor and at least one pump driven by the electric motor. The electric mo... | 08/01/2006 |
| 7066308 | Rotary damper and automobile part comprising it and auxiliary mechanism of rotary operation It is an object of the present invention to provide a rotary damper capable of automatically adjusting an exhibited braking force in correspondence with variation in load. A fluid chamber 2 into which viscous fluid is charged is formed in a casing 1... | 06/27/2006 |
| 6961648 | System and method for desensitizing the activation criteria of a rollover control system A method of densensitizing includes determining a relative roll angle, determining when the vehicle is in a transitional maneuver, and when the vehicle is in a transitional maneuver, setting a roll signal for control to the relative roll angle, reducing control effo... | 11/01/2005 |
| 6922869 | Damper apparatus A damper apparatus is disclosed for damping movement between a first and a second element. The apparatus includes an elongate housing secured to the first element, the housing having a first and a second end. The housing defines a bore which extends between the ends... | 08/02/2005 |
| 6923301 | Hydrodynamic brake A hydrodynamic brake, which comprises a stator and a rotor which are coaxial and have respective opposed annular recesses which open toward each other to form a toroid-shaped space. A first medium is supplied to the space for providing braking action during rotation... | 08/02/2005 |
| 6918471 | Hydrodynamic brake A hydrodynamic brake for a vehicle having a stator and a rotor, which each comprise an annular recess and a plurality of vanes which are provided in the respective recess. The rotor rotates in a rotation direction such that a relatively high pressure is created on a... | 07/19/2005 |
| 6910989 | Method for increasing brake efficiency Within the framework of the method for increasing brake efficiency of a vehicle with a hydrodynamic retarder, the rotational speed of the motor is increased by command for downshifting, in such a manner, that the increased cooling fluid circulation flow, due to the ... | 06/28/2005 |
| 6725984 | Rotary damper A rotary damper has a casing having a fluid chamber filled with a fluid, a rotatable member disposed in the fluid chamber for rotation relative to the casing, a vane disposed on an outer circumferential surface of the rotatable member and extending in an axial direc... | 04/27/2004 |
| 6666252 | Winding mechanism A winding mechanism for controlling the retraction and deployment of an architectural covering, such as a window blind or shade having a winding element 12, about which the covering, or its lift cord or tapes are wound and unwound with rotation of the win... | 12/23/2003 |
| 6561324 | Drive unit including a motor and a retarder A drive unit includes a motor, a hydrodynamic retarder, at least one pump, at least one feed line for feeding operating medium to the retarder, and at least one bypass line which conveys operating medium past the retarder. A device for directing the flow ... | 05/13/2003 |
| 6450305 | Hydrodynamic retarder with thermally compensated balancing ring The invention relates to hydrodynamic machine, especially a hydrodynamic retarder, comprising a housing, components of the hydrodynamic machine being disposed within the housing, and a balancing element. The housing being constructed of a housing material... | 09/17/2002 |
| 6443210 | Winding mechanism A winding mechanism for controlling the retraction and deployment of an architectural covering, such as a window blind or shade having a winding element 12, about which the covering, or its lift cord or tapes are wound and unwound with rotation of the win... | 09/03/2002 |
| 6394240 | Vehicle roll damping A hydraulic rotary roll damper for a motor vehicle is mounted concentrically about an anti-roll bar 4 and coupled to the ends of the anti-roll bar 4 by tubing 7, 8. The damper includes a stack of stator plates 18 mounted on a stator housing member 10 and ... | 05/28/2002 |
| 6341677 | Vehicle rotary suspension damper of composite construction A rotary damper for a vehicle trailing arm suspension mechanism includes a housing defined by a body molded of a reinforced plastic and defining a fluid filled cavity in which a multi-bladed rotor is disposed to form plural fluid filled damper chambers. T... | 01/29/2002 |
| 6234285 | Retarder A retarder with retarder housing for receiving a retarder unit comprising a stator and a rotor fitted on the retarder shaft. The retarder is intended for assembly in a transmission housing. The retarder housing features a cup-shaped recess matching in its... | 05/22/2001 |
| 6213881 | Damper device A damper device includes a casing, a rotor partly housed in the casing, a viscous fluid filled in the casing around the rotor, and a torque generator for generating a torque during a rotating stroke of the rotor. The torque generator includes a fluid torq... | 04/10/2001 |
| 6173822 | Rotary damper Rotary damper, in particular for an actuating member in motor vehicles, comprising a housing having a cylindrical damper chamber, a liquid viscous medium within the chamber, a rotatably supported shaft within the chamber having at least one substantially ... | 01/16/2001 |
