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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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....
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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...
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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...
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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...
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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)....
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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...
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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...
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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)....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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6846015 |
Energy absorbing knee bolster
An apparatus (10) for helping to protect an occupant (28) of a vehicle (12) includes a knee bolster (20). An energy absorbing device (80) is interposed between the knee bolster (20) and the vehicle...
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6837919 |
Method for deaerating electrorheological fluid in a closed device
According to the present invention, electrorheological fluid is deaerated after it is sealed in a closed device which is operated by the electrorheological fluid. Thus, it is possible to control...
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6838851 |
Inner-force providing input device having a power-operated actuator for generating a click feel
Under electric control of a motor by a CPU, before the rotation angle of a rotary knob reaches a predetermined angle (20°, 40°, 60°, . . . 360°), a torque in the same direction as a rotational dir...
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6802404 |
Electro-rheological or magneto-rheological controlled hydraulic restriction
A hydraulic fluid flow passage has a controlled restriction disposed within the passage. The restriction includes a first filter, a second filter and a plurality of particles disposed between the...
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6789651 |
Damping device
This invention is intended to provide a damping device capable of conducting highly precise damping control. To attain this object, this invention is a damping device used in a machine which...
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6761243 |
Steering control with variable damper assistance and method implementing the same
One aspect of the present invention regards an automotive steering wheel control system having a steering wheel, a magnetorheological damper in communication with the steering wheel and a road...
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6749045 |
Passive force element on the basis of electrorheologic liquids
A passive force element on the basis of electrorheological liquids includes a piston with a piston rod guided in a cylindrical housing, and a force introduction element connected with the piston...
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6740125 |
Knee-joint prosthesis with a hydraulic damping cylinder
The invention relates to a knee-joint prosthesis with a hydraulic damping cylinder (1) for regulating the swing phase control and stance phase stabilization, and with an electronic control for a...
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6705440 |
Cable stay damper band and method of use for reduction of fluid induced cable vibrations
Fluid current induced vibrations, as well as vortex shedding vibrations induced in a cable stay or a similar elongated, cylindrical element are dampened and substantially eliminated by applying a...
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6691839 |
Reduced drag wet disc brake
A reduced drag wet disc brake assembly is disclosed in which the viscosity of the fluid in the assembly is capable of changing. At higher traveling speeds, the viscosity of the fluid is low....
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