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8800730 Shock absorber for a bicycle  
A shock absorber for a bicycle or another, at least partly muscle-powered, vehicle has a damper device with a damper housing in which a first and a second damper chamber are separated from one...
8770357 Dampers for mountain bikes  
An apparatus of a damper (46) for a bicycle comprising a housing defining a chamber, and a piston, movable in the chamber along a first direction. The apparatus further comprises a controllable...
8757652 Valve and movement damping apparatus  
A valve is particularly suited for a movement damping apparatus. The valve has a field-generating device, such as a magnet unit, and a fluid that is subjected to the field, such as a...
8684367 Methods and apparatus for suspension lock out and signal generation  
Methods and apparatus for regulating the function of a suspension system are disclosed herein. Suspension characteristics often contribute to the efficiency of a suspended system. Depending on the...
8682539 Machine employing cab mounts and method for controlling cab mounts based on machine operation  
A machine employing controllable mounts and a method for controlling such mounts based on machine operation are disclosed. The controllable mount may include a housing, a pin, rheological fluid...
8632097 Systems and methods for hand wheel translational vibration attenuation  
Methods and apparatus are provided for attenuating translational vibration in a steering system. The apparatus can include a housing having a fluid chamber, a recess and a mounting bracket that...
8632096 Systems and methods for hand wheel torsional vibration attenuation  
Methods and apparatus are provided for attenuating torsional vibration of a steering system. The apparatus can include a housing including a chamber. The housing can be couplable to a rim of a hand...
8573623 Front fork  
A front fork includes a damper that generates a damping force, a cylinder body that houses the damper, a reservoir formed on an exterior of the cylinder body, a rod body that is inserted into the...
8550222 Active material based bodies for varying frictional force levels at the interface between two surfaces  
A device for selectively controlling and varying a frictional force level at an interface between two bodies, includes a first contact body having at least one surface, a second contact body having...
8547191 Damping device capable of providing increased stiffness  
Damping device to impose a reaction to the displacement of a manual operating device (28), said device comprising at least one chamber containing the magneto-rheological fluid, one or two means of...
8453806 Damping device for a two-wheeled vehicle  
A damping device for a two-wheeled vehicle having a first and a second damper chamber which are coupled to one another through a flow connection. The flow connection includes at least one flow...
8430416 Movement damping apparatus  
A movement damping apparatus has magnetorheological fluid that is pressed through a flow path forming a bottleneck in order to dampen a movement. The flow path is divided into at least two flow...
8397885 Magneto-rheological fluid brake  
A magneto-rheological fluid brake includes a housing, a non-magnetically permeable separating ring, a plurality of magnetically permeable blocks, a plurality of magnetically permeable bars, an...
8393446 Methods and apparatus for suspension lock out and signal generation  
Methods and apparatus for regulating the function of a suspension system are disclosed herein. Suspension characteristics often contribute to the efficiency of a suspended system. Depending on the...
8336413 Rack and pinion steering apparatus having rack bearing wear compensation with damping  
A power steering apparatus includes a housing defining a chamber. A rack is disposed within the chamber and is moveable along a longitudinal axis. A pinion extends into the chamber for meshing...
8292048 Energy absorbing device operating with a free-flowing medium  
An energy absorbing device, in particular a device for single-use occupant protection in vehicles, has a container with a magneto-rheological medium which is forced on impact through a restriction...
8160774 Vehicular actuator system  
An actuator system for determining a relative height differential between a housing of an actuator assembly and a body of the actuator assembly for a vehicle is provided. The vehicle has a...
8055408 High bandwidth control of magnetic ride control system  
A semi-active suspension system that employs magnetically controlled dampers. The semi-active suspension system includes a plurality of sensors that measure vehicle parameters in response to...
7997392 Vibration damper  
A vibration damper, e.g. for damping retraction or extension springing forces on motor vehicles, includes a pressure medium cylinder in which a piston with a piston rod is axially slidably...
7942248 Adjustable damping control with end stop  
A damper device comprising a first mode having a first level of damping, a second mode having a second level of damping corresponding to a predetermined function, a sensor system having a first...
7922202 Energy absorbing device  
An energy-absorbing apparatus for occupant protection in vehicles has a receptacle in which a magnetorheological fluid is present, which in the event of an impact is pressed through a flow zone....
7900754 Rotating tub washer binary damper system  
The invention provides a rotating tub washer with an on-off binary damper system for damping a problematic movement between the washer frame and the rotating tub. The on-off binary damper system...
7896019 Active controlled energy absorber using responsive fluids  
An impact absorber employs dilatant (shear responsive) fluid that is subjected to a controlled, low amplitude, high frequency oscillatory stress which controls the stiffness of the fluid....
7849983 Controllable vehicle suspension system with a controllable magnetorheological fluid strut  
The controllable suspension system includes a strut with a magnetorheological fluid damper. The magnetorheological fluid damper includes a longitudinal damper tubular housing having a...
7823708 Magnetorheological damping device for reduction or elimination of vibration in steering systems  
A damping device for use with a rotatably-mounted steering shaft. The damping device comprises a magnetorheological material that can be embedded in an open-network carrier and is directly or...
7822522 Adaptive energy absorption system for a vehicle seat  
An adaptive energy absorption system for a vehicle seat is disclosed, utilizing an adaptive energy absorber or variable profile energy absorber (VPEA) for mitigating occupant injury due to extreme...
7770701 Suspension strut for use with a compressible magnetorheological fluid  
A strut (12) is configured for an active suspension system (142) which provides electronic control for both the force applied by the strut (12) and the dampening characteristics of the strut (12)....
7461731 Magnetorheologic clutch  
A magnetorheological clutch comprises a stationary part (1), of a rotatable primary part (2) with primary lamellae (3) and of a secondary part (8) with secondary lamellae (17) which surrounds the...
7422092 Controllable compressible fluid damper  
A damper/strut that can provide variable damping and spring energy storage and dissipation. One embodiment includes an adjustable magnetorheological damper and a mechanically adjustable fluid...
7413063 Compressible fluid magnetorheological suspension strut  
A strut (12) is configured for an active suspension system (142) which provides electronic control for both the force applied by the strut (12) and the dampening characteristics of the strut (12)....
7232016 Fluid damper having continuously variable damping response  
An improved damping apparatus that utilizes a fluid having a viscosity that may be varied by the application of an electromagnetic field, such as a magnetorheological fluid or an electrorheological...
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...
7140478 Reversibly expandable energy absorbing assembly utilizing actively controlled and engineered materials for impact management and methods for operating the same  
Reversibly expandable energy absorbing assemblies that utilize an actively controlled and engineering material to reversibly change a shear stress or a flexural modulus property. The actively...
7137496 Parallel field electrode configurations for electrorheological fluid applications  
The present invention provides novel configurations for the electrodes in a range of applications for ER fluids. The electrodes are configured so that they generate an electrical field a...
7070708 Magnetorheological fluid resistant to settling in natural rubber devices  
A MR fluid formulation based upon a silicone liquid vehicle thickened with a treated fumed metal oxide and doped with one or more chemicals having hydrogen-bonding capability for use with natural...
7036612 Controllable magneto-rheological fluid-based dampers for drilling  
A damping apparatus and method for a drillstring comprising a bit comprising providing to the drillstring a damping mechanism comprising magnetorheological fluid and generating an electromagnetic...
7032726 Control element  
A system is provided that operates on the magnetorheological principle as a detent or wiper element and/or for electrical detection of direction of rotation. The system includes a gear pump, a...
7018102 Dampenable bearing  
A dampening bearing support member having a plurality of bearings disposed between an object and a base with rheological medium disposed around the bearings, with the rheological medium being under...
6981577 Controlling damping force shock absorber  
In a controllable damping force shock absorber, a piston member connected to a piston rod is disposed in a cylinder in which a magnetic fluid is contained. A disc valve having an extension-stroke...
6955249 Controlled oscillating damper  
Controlled oscillating damper, comprising: a housing (12) provided with a cavity (14), an oscillating element (18) moving sealingly within the cavity (14), in which the housing (12) and the...
6955248 Combination type damper and washing machine having the same  
Disclosed are a combination type damper and a washing machine having the same. The combination type damper comprises: a cylinder provided with a receiving space having a certain depth at one side...
6926500 Fluid inertia drag damper for rotary wing aircraft rotor  
A drag damper for use on a rotary-wing aircraft rotor comprises a body defining two variable volume chambers linked by a piston. The chambers filled with fluid in the damper are connected by a...
6923299 Programmable variable spring member  
A variable spring member includes a containment housing defining an inner chamber with alternating layers of compressible medium and electro-reactive medium. Adjacent each layer of electro-reactive...
6923298 Shock, vibration and acoustic isolation system  
A shock and vibration isolation system for mounting equipment to a base wall uses a semi-active damper in parallel with a spring arrangement to provide optimum isolation with respect to both shock...
6910699 Magnetorheological fluid brake and force-feedback system for a steering mechanism  
A magnetorheological fluid brake utilizing a positive displacement fluid pump adapted to pump a magnetorheological fluid through a viscosity regulator. The viscosity regulator is adapted to...
6896109 Magnetorheological fluid vibration isolator  
The invention disclosed is a magnetorheological fluid device offering vibration isolation and broad modulation range damping in a high load carrying and compact form. A cylindrically shaped flexure...
6886669 Method and device for actively suspending a wheel from a vehicle  
A method and device for suspending a wheel axle from a vehicle includes a unitary flexible member coupled between the vehicle and the wheel axle and to an electronic control unit. The flexible...
6880483 Active seat suspension for watercraft  
A watercraft seat suspension includes a damper mounted between a watercraft seat and the watercraft hull. The damper includes an electrically actuated mechanism controlling fluid flow from a first...
6875241 Variable resistance cell  
A variable resistance cell and method provides a variable resistance response to a load factor, such as a load, a load rate, a strain, a strain rate, a pressure, or a deflection. A variable...
6868946 Method for controlling the damper current for an electrically adjustable damper  
A method controls the damper current of a damper of a motor vehicle. The damper is adjustable by an electrical current and the permissible change of the current per time interval is delimited by a...
Matches 1 - 50 out of 156 1 2 3 4 >