Matches 1 - 50 out of 135 1 2 3 >
Match Document Document Title
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...
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...
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...
7600616 Magnetorheological damper system  
A magnetorheological damper system comprising a reservoir in communication with a damper. The damper comprises a damper cylinder defining a damper chamber, wherein the damper chamber contains a...
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...
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...
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...
7445094 Passive magneto-rheological vibration isolation apparatus  
A fixture is isolated from the transmission of vibration emanating from a vibration source by a damper containing magneto-rheological (“MR”) fluid and a plunger mechanically coupling the damper...
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...
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...
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...
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...
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...
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...
7303056 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...
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...
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...
7275750 Roll control system, device and method for controlling vehicle stability  
A roll control system for a vehicle is disclosed. The roll control system includes front and rear stabilizer bars, first and second magnetorheological actuators, and an electronic control system....
7243763 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...
7234575 Magnetorheological damper system  
A magnetorheological damper system comprising a reservoir in communication with a damper. The damper comprises a damper cylinder defining a damper chamber, wherein the damper chamber contains a...
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...
7198140 Brake with field responsive material  
A controllable brake includes a rotor supported on one shaft end. The rotor is housed within a chamber containing a field controllable material which is acted upon by a magnetic field generator to...
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...
7118100 Magnetorheological-fluid hydraulic mount  
A magnetorheological-fluid hydraulic mount includes a hydraulic-mount partition plate assembly, a hydraulic-mount decoupler, an electric coil, and a flexible membrane assembly. The partition plate...
7086507 Controllable magneto-rheological elastomer vibration isolator  
A tunable vibration isolation device comprising a magneto-rheological elastomer (MRE), and methods of using such a device, are provided. By manipulating a magnetic field within the MRE the device's...
7070027 Magneto-rheological damper  
A magneto-rheological (MR) damper including a piston guided in a cylinder that is filled with a magneto-rheological fluid, its work volume being formed oblique relative to the piston axis between...
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...
7063191 Reversed decoupler assembly for MR mount  
A hydraulic mount is provided having a body with first and second fluid chambers and a decoupler subassembly interposed between to partially define the first and second fluid chambers. The...
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...
7021435 Monotube strut with rebound cut-off feature  
A suspension damper including a tube and a damping piston assembly disposed within the tube and slidably mounted therein for reciprocal movement in the tube. The suspension damper also includes a...
6986413 Determining the coil temperature of a magnetorheological damper of a vehicle  
Method for determining a present coil temperature of a coil of a magnetorheological (MR) damper of an operating automotive vehicle, wherein the coil is powered by an output of a controller...
6983832 Impact energy absorber and process  
A tunable and reusable impact energy absorbing system and process includes a control structure comprising a sleeve having an outer surface fixedly attached to a chassis, a seal at each end of the...
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...
6974000 System and method for limiting vibration in an apparatus during a loss of power  
An apparatus comprising a frame; a member movable relative to said frame; a damping device interconnected between the frame and the movable member; a controller for activating the damper to...
6971231 Piston and rod assembly and method  
A piston assembly for a magneto-rheological fluid damper is provided that exhibits good sealing properties at elevated temperatures. The piston assembly comprises a piston rod having an axial bore...
6971491 Magneto-rheological fluid encased in flexible materials for vibration control  
The disclosed device is directed toward magneto-rheological fluid encasement device. The magneto-rheological fluid encasement device comprises a body having at least one containment element...
6964324 Damper with magnetic fluid  
A damper in which magnetic particles are discouraged from settling irrespective of the kind of a magnetic fluid is provided. A damper is constituted of a vessel in which the magnetic fluid is...
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...
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...
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...
6916074 Magnetorheological pedal simulator  
A torsion spring is equipped to provide a resilient force toward an opposite direction of a manipulation force of a driver's pedal and an magnetorheological damper is equipped to promptly actively...
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...
6907968 Automotive suspension with a rotational shock-absorber  
A motor-vehicle suspension having oscillating arms, in which one of the arms is formed by the casing of a rotational shock-absorber, wherein the oscillating piston of the shock-absorber is...
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...
6886819 MR fluid for increasing the output of a magnetorheological fluid damper  
Magnetorheological devices, including damping devices, rotary devices, and haptic systems constructed with said devices are disclosed. The devices contain dry magnetically-responsive particles, or...
6883649 Closing system for a magneto-rheological damper  
A closing system for use with a magneto-rheological (MR) damper. The closing system provides lubrication for a piston rod without a need for periodic replenishment. According to an embodiment of...
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...
6874603 Magnetorheological piston and damper assembly  
The invention provides a magnetorheological piston and damper assembly. The piston includes a piston body including at least one bypass port and an annular gap formed therein. The bypass port is in...
Matches 1 - 50 out of 135 1 2 3 >