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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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8152145 |
Isoelastic magneto-rheological elastomer isolator
A conically-shaped, magneto-rheologically responsive shock and vibratory isolator. The isolator includes a conically-shaped magneto-rheological elastomer component attached to opposing faces of a...
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8141689 |
Magnetorheological (MR) piston ring with lubricating grooves
A magnetorheological (MR) piston ring includes an MR-piston-ring body disposable within a cylinder of an MR damper. The MR-piston-ring body has a radially inner surface defining a boundary of a...
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8104591 |
Magnetic valve for shock absorbers
A shock absorber having a valve controlling the flow rate of fluid between a compression chamber and a rebound chamber in a housing and separated by a piston. The valve has an orifice component and...
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8100238 |
Magnetorheological clutch
A magnetorheological clutch includes a primary part, a secondary part and a magnet for the generation of a magnetic field. The primary part and the secondary part are rotatable relative to one...
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8100235 |
Controllable hydraulic bearing
A controllable hydraulic bearing for damping vibrations in a defined frequency band is proposed, which includes an elastomeric body (1), two chambers which are filled with a magneto-rheological...
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8091692 |
Fluid-filled cellular solids for controlled
An impact absorber using an energy-absorbing, fluid-impregnated material consisting of a porous interconnected network of solid material forming edges and faces of cells, preferably an open-cell...
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8078360 |
Control apparatus of a variable damping force damper
A control apparatus of a variable damping force damper comprises first and second low-pass filters for cutting off high frequency components of a target current of the damper, where the first and...
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8056687 |
Apparatus with active material surface in contact with rheological fluid and method of enhancing performance thereof
An apparatus is provided having an active material forming a surface thereof in contact with a rheological fluid. The active material is controllable to vary a surface geometry thereof between a...
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8051961 |
Magneto-rheological damper
In a magneto-rheological variable damper (6), the piston (16) comprises an inner yoke (32), an outer yoke (31) concentrically surrounding the inner yoke and held in position by pair of end plates...
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8042659 |
Active force generation/isolation system employing Magneto Rheological Fluid (MRF)
A system for reducing vibrations in a rotating system uses a variable viscosity medium that is redistributed in a housing connected to the rotating system. Specifically, the medium is responsive to...
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8046129 |
Control of magnetorheological mount
A system and method of controlling engine vibration mounted within a vehicle including at least one hydraulic mount, each mount including a fluid chamber. A pair of accelerometers sense relative...
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8016092 |
Magneto-rheological clutch and wheel transmission apparatuses and methods
Magneto-rheological clutch and wheel transmission apparatuses and methods are provided. According to one aspect, a magneto-rheological clutch system can include first and second drive members and...
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8016087 |
Fluid damper
In a fluid damper that autonomously changes a damping force in accordance with movement of a piston, the fluid damper having: a fluid 8 having magnetic properties; a piston 2 formed of a magnetic...
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7997393 |
Magnetorheological (MR) rod guide assembly and MR damper having same
A magnetorheological (MR) rod guide assembly includes a nonporous MR-rod-guide-assembly housing, annular first and second seals, and a non-annular, porous filter plug. The housing has a through...
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7958979 |
Variable damper
In a variable damper using magneto-rheological fluid that comprises a cylinder (12) filled with the fluid, a piston (16) slidably received in the cylinder and including an inner yoke (32; 62; 126),...
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7950508 |
Piston valve assembly of continuous damping control damper
The present invention relates to a piston valve assembly which is used in a continuous damping control damper using magneto-rheological fluid. The piston valve assembly is coupled with an end of...
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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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7930150 |
Method of designing magnetorheological fluid energy absorbing device using hydromechanical analysis
A method of designing a magnetorheological (MR) fluid energy absorbing damper is provided that uses hydromechanical analysis with lumped parameters to allow a determination as to whether a...
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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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7900755 |
Bi-fold valve-type magnetorheological fluid energy absorbing device
An energy absorbing device is provided that includes a damper assembly having inner and outer concentric tubes and a piston movable within the inner tube. The damper assembly is configured to form...
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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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7891474 |
Magneto-rheological brake-clutch apparatuses and methods
Magneto-rheological brake-clutch apparatuses and methods are provided. According to one aspect, a magneto-rheological brake-clutch can include a drive member and a driven member spaced from the...
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7885740 |
Control system for adjustable damping force
Upon searching control parameter used to adjust damping force of a damper from a map in accordance with damper speed and target damping force decided based on moving condition of the vehicle, the...
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7878312 |
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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7874407 |
System and method for magnetorheological-fluid damping utilizing porous media
A magnetorheological fluid damping system includes a hydraulic cylinder, a piston head, a piston rod, and a porous valve. The hydraulic cylinder is configured for disposing magnetorheological fluid...
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7828129 |
Magnetorheological clutch having lamination bands
A magnetorheological clutch comprises a stationary part, a rotating primary part with primary laminated strips and a secondary part with secondary laminated strips, whereby a controllable magnetic...
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7828126 |
Magnetorheological (MR) piston, MR piston assembly, and MR damper system
A magnetorheological (MR) piston assembly (10) includes an MR piston (12) and a rod (14). The MR piston (12) includes a central longitudinal axis (16), first and second longitudinal ends (18 and...
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7775333 |
Magnetorheological damper and use thereof
An magnetorheological damper useful in structural vibration control has a damper body and a moveable portion relative to the damper body. The damper includes an magnetorheological material...
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7753180 |
Magnetorheological piston having a bypass passageway
A magnetorheological (MR) piston includes an MR piston core, an MR piston end plate, a shim disc, and a flexible orifice disc. The end plate covers an end of the core to define a chamber and has a...
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7703717 |
Transport vehicle magnetically induced wheel rotation
A transport vehicle wheel assembly comprising a set of rotating components and a set of static components wherein an applied electrical current applied to conductive material incorporated into at...
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7691154 |
Systems and methods of controlling pressure within a prosthetic knee
The invention in some embodiments relates to systems and methods of controlling pressure within a prosthetic knee. The knee in one embodiment comprises a flexible diaphragm that substantially...
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7686143 |
Magnetorheological device and system and method for using the same
A controllable magnetorheological (MR) damper having first, second and third portions is disclosed. The first and second portions have a translational degree of freedom therebetween, and the third...
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7677370 |
Energy absorbing device
An energy absorbing device, particularly for single-use occupant protection in vehicles on the action of an external force, has a free-flowing medium which is forced through a constriction by a...
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7669700 |
Elastomer bearing with hydraulic damping
An elastomer bearing with hydraulic damping is disclosed which includes a housing (1, 2), a connecting element (3), an elastomer body (4) which couples the housing (1, 2) and the connecting element...
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7637360 |
System comprising magnetically actuated motion control device
A system that includes a magnetically actuated motion control device comprising a housing defining a cavity and including a slot therethrough. A movable member is located within the cavity and is...
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7628254 |
Passive magneto-rheological vibration isolation apparatus using a shielding sleeve
A damper containing magneto-rheological (“MR”) fluid and a plunger lies between and is mechanically coupled both to a fixture and a vibration source. The plunger has a head immersed in the MR flu...
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7624850 |
Damping device having controllable resistive force
A damper assembly is provided including a linear to rotary motion conversion mechanism having an outer tube member. An inner tube member is reciprocally movable and at least partially disposed...
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7617032 |
Control system for adjustable damping force
Upon searching control parameter used to adjust damping force of a damper from a map in accordance with damper speed and target damping force decided based on moving condition of the vehicle, the...
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7588131 |
Magnetorheological clutch
Disclosed is a magnetorheological clutch comprising a stationary part (1), a rotating primary part (2) with primary lamellae (7), and a coaxially rotating secondary part (3) with secondary lamellae...
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7510061 |
MR-fluid hydraulic mount
An MR-fluid (magnetorheological-fluid) hydraulic mount includes a hydraulic-mount partition plate assembly and an electric coil. The partition plate assembly has a longitudinal axis, has first and...
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7493995 |
Shock absorber with integrated displacement sensor
A shock absorber include a cylinder, a piston rod coupled to the cylinder, and a piston coupled to the piston rod. The piston rod is magnetically encoded so that it includes a plurality of magnetic...
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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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7422709 |
Electromagnetic rheological (EMR) fluid and method for using the EMR fluid
An electromagnetic rheological (“EMR”) fluid (18) broadly includes a conducting medium (22) and a plurality of micronparticles (24) suspended in the medium (22). Each of the micronparticles (24...
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7416062 |
Torsional magnetorheological device
A magnetorheological device comprising a housing having a divider within the housing is disclosed and claimed. A rotary impeller having two paddles is rotatably mounted within the housing. The...
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7386378 |
Linear control of an automobile suspension
A vehicle suspension system that includes a cylinder, a rod inserted within the cylinder, a piston coupled to the rod and a piston valve which has an input piston current. The suspension system...
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7364022 |
Controllable magneto-rheological fluid devices for motion-damping
Variably controllable motion-damping devices are disclosed that utilize a magneto-rheological fluid (MRF). One configuration of such a device includes a first valving region and a second valving...
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7308975 |
Velocity sensing system for a damper
A velocity sensor including a damper assembly having a central axis, a magnet extending parallel to the central axis, the magnet having a magnetic axis radially oriented with the central axis, and...
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7293633 |
Controlled damper assembly with isolated electrical connection
A controlled damper assembly includes a controlled-damper-assembly piston, a controlled-damper-assembly piston rod attached to the piston, an insulated wire, and an electrical connector. The...
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7278522 |
Controllable motion damper
A controllable motion damper with a damping piston separating two damping chambers from each other in a damping cylinder. A damping valve is disposed in a connecting channel of the two damping...
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