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8997951 |
Actively controlled colloidal damper
An actively controlled colloidal damper having controllable damping characteristics. The damper has a cylinder (2); a piston (4) reciprocatably guided and supported by the cylinder (2) and forming... |
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8828263 |
High durability magnetorheological fluids
A magnetorheological fluid comprising a mixture of soft and hard iron particles, an organic based carrier fluid, and optional additives such as anti-friction, anti-wear, or surfactants... |
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8808567 |
Magnetic nanoparticles and magnetorheological fluid comprising same
A nanoparticle composition comprises a ferromagnetic or superparamagnetic metal nanoparticle, and a functionalized carbonaceous coating on a surface of the ferromagnetic or superparamagnetic metal... |
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8591759 |
Magnetic nanocomposite material and processes for the production thereof
The present disclosure relates to magnetic nanocomposite materials, and processes for the production thereof. In particular, the present disclosure relates to nanocomposites comprising magnetic... |
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8506837 |
Field-responsive fluids
A field-responsive fluid which enters a semi-solid state in the presence of an energy field is improved by use of a plurality of energy field responsive particles which form chains in response to... |
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8500083 |
Device for a moving object's vibration damping
This invention concerns a device for vibration damping of an object (1) moving along a trajectory arranged on a frame (7), whereas the object (1) involves spaces filled-in with magnetorheologic... |
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8486292 |
Magnetorheological formulation
Magnetorheological formulations, processes for preparing the same and uses therefor, the formulations comprising: (a) an ionic liquid comprising anions and cations, and (b) dispersed magnetizable... |
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8470193 |
Magnetorheological fluids including shape memory alloys
Magnetorheological (MR) fluids are disclosed herein. An example of the MR fluid includes a carrier fluid, magnetic particles disposed in the carrier fluid, and non-magnetic particles disposed in... |
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8444280 |
Magnetically deformable ferrofluids and mirrors
There is provided a process for the preparation of a suspension of magnetic particles in a polar carrier liquid. The process includes the step of: coating the surface of the magnetic particles... |
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8404140 |
Conducting fluid containing millimetric magnetic particles
The invention relates to a composite material formed by millimeter-scale particles of magnetic material A and a conductive liquid B. The material is characterized in that the material A is chosen... |
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8404139 |
Conducting fluid containing micrometric magnetic particles
The invention relates to a composite material formed by microparticles of magnetic material A and a conductive liquid B. The material is characterized in that the material A is chosen from... |
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8361341 |
Magnetorheological compositions including nonmagnetic material
A magnetorheological composition includes a mixture of a carrier medium and a particle component disposed in the carrier medium. The particle component includes a magnetic material and a... |
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8241517 |
Nanostructured magnetorheological polymer fluids and gels
Magnetorheological materials having a supramolecular polymer gel as a component of the carrier are disclosed. Useful supramolecular polymers for gels include those having bipyridine or terpyridine... |
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8226844 |
Biocompatible magnetic nanocrystal, powder of a biocompatible magnetic nanocrystal bearing a surface reactive group and preparations thereof
This invention is concerned with biocompatible magnetic nanocrystals highly soluble and dispersible in a physiological buffer, powder of biocompatible magnetic nanocrystals and nanocrystals... |
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8182712 |
Methods and apparatus for dyeing material
Techniques for dyeing material are disclosed, including providing a magnetorheological fluid containing a coloring agent onto a contacting surface, applying a magnetic field to the... |
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8120840 |
Electrorheological fluid having properties of newtonian fluid
An electrorheological fluid is provided. The electrorheological fluid includes polarizing particles and a dispersion medium in which the polarizing particles are dispersed. The polarizing... |
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8062541 |
Non-settling glycol based magnetorheological fluids
A magnetorheological fluid comprising magnetic-responsive particles, a thickener, an ionic thixotropic additive, and a carrier fluid wherein the carrier fluid comprises a glycol-water mixture... |
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8017031 |
Biocompatible magnetic nanocrystal, powder of a biocompatible magnetic nanocrystal bearing a surface reactive group and preparations thereof
This invention is concerned with biocompatible magnetic nanocrystals highly soluble and dispersible in a physiological buffer, powder of biocompatible magnetic nanocrystals and nanocrystals... |
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7959822 |
Magnetorheological liquid
A magnetorheological formulation which comprises at least one base oil, at least one magnetizable particle, a at least one dispersant and a at least one thixotropic agent is described. |
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7897060 |
Magnetorheological materials having a high switching factor and use thereof
The invention relates to magnetorheological materials comprising at least one non-magnetisable carrier medium and magnetisable particles contained therein, at least two magnetisable particles... |
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7883636 |
Nanostructured magnetorheological fluids and gels
Magnetorheological materials having a supramolecular polymer gel as a component of the carrier are disclosed. Useful supramolecular polymers for gels include those having bipyridine or terpyridine... |
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7731863 |
Magnetorheological fluid with a fluorocarbon thickener
A magnetorheological fluid formulation comprising magnetizable particles dispersed in carrier fluid and a thixotropic agent wherein the thixotropic agent comprises a fluorocarbon grease. |
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7708901 |
Magnetorheological materials having magnetic and non-magnetic inorganic supplements and use thereof
The invention relates to magnetorheological materials comprising at least one non-magnetisable carrier medium and magnetisable particles contained therein, in addition a combination of magnetic... |
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7691285 |
Magnetic nanoparticles having improved magnetic properties
The invention relates to a method for producing magnetic nanoparticles which are made of metal oxide-polymer composites and are provided with an increased magnetic mobility, among other things,... |
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7608197 |
Magnetorheological elastomers and use thereof
The present invention relates to magnetorheological elastomers comprising at least one non-magnetizable elastomeric carrier medium and magnetizable particles contained therein and also to the use... |
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7591960 |
Preparation method for oil-based magnetic fluid
A preparation method for synthesis of oil-based magnetic fluid is disclosed. One end of a compound with a diamino group or an organic extraction reagent is connected with oil-based material while... |
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7575695 |
Additives package and magnetorheological fluid formulations for extended durability
An additives package for use in an MR fluid formulation is provided, as well as an MR fluid formulation containing the additives package. In one embodiment, the additives package comprises an... |
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7521002 |
Magnetorheological fluid compositions
A magnetorheological fluid composition comprising a low aspect ratio magnetizable particle comprising a unimodal particle distribution and an aspect ratio less than 1.5, a high aspect ratio... |
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7488431 |
Lipiodol-ferrofluid, and a process for preparation thereof
The present invention discloses a lipiodol-ferrofluid, and a process for preparation thereof, wherein the lipiodol-ferrofluid includes the ferrofluid including a magnetic component, γ-Fe2O3 or... |
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7429339 |
Magnetic nanomaterials and synthesis method
A magnetic nanoparticle (22), a magnetic nanomaterial (30), assembly (30), and a method for synthsising a magnetic nanoparticle, relating to thermodynamically stable and air stable ferromagnetic... |
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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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7419616 |
Magnetorheological fluid compositions
A magnetorheological fluid composition comprising a carrier fluid; and a plurality of high aspect ratio magnetizable particles, wherein the aspect ratio of the high aspect ratio magnetizable... |
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7393463 |
High temperature magnetorheological fluid compositions and devices
A magnetorheological fluid composition comprising magnetizable particles in a liquid metal carrier fluid, wherein the liquid metal carrier fluid comprises a metal, a metal alloy, or a solder... |
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7387744 |
Method of making magnetic fluid
The present approach pertains to colloidal chemistry and methods of manufacturing magnetic fluid such as ferrofluid. In particular, the present approach is directed to methods of manufacturing... |
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7354528 |
Magnetorheological fluid compositions
A magnetorheological fluid composition comprising a low aspect ratio magnetizable particle comprising a unimodal particle distribution and an aspect ratio less than 1.5, a high aspect ratio... |
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7335233 |
Magnetorheological fluid compositions and prosthetic knees utilizing same
The present invention relates in one embodiment to magnetorheological fluids utilized in prosthetic joints in general and, in particular, to magnetorheological fluids utilized in controllable... |
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7297290 |
Nanostructured magnetorheological fluids and gels
Magnetorheological materials having a supramolecular polymer gel as a component of the carrier are disclosed. Useful supramolecular polymers for gels include those having terpyridine ligands which... |
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7291287 |
Method of making magnetic fluid
The present approach pertains to colloidal chemistry and methods of manufacturing magnetic fluid such as ferrofluid. In particular, the present approach is directed to methods of manufacturing... |
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7217372 |
Magnetorheological composition
The invention provides a magnetorheological device employing narrow design gap and containing a magnetic-responsive composition exhibiting reduced off-state forces and good performance.... |
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7198071 |
Systems and methods of loading fluid in a prosthetic knee
The invention in some embodiments relates to systems and methods of loading fluid in a prosthetic knee. A vacuum fill technique is utilized in one embodiment to load magnetorheological fluid... |
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7101487 |
Magnetorheological fluid compositions and prosthetic knees utilizing same
The present invention relates in one embodiment to magnetorheological fluids utilized in prosthetic joints in general and, in particular, to magnetorheological fluids utilized in controllable... |
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7087184 |
MR fluid for increasing the output of a magnetorheological fluid device
What is disclosed is a magnetorheological fluid useful for incorporating within the working gap of magnetorheologically controllable linear or rotary devices. The MR fluid includes a carrier fluid... |
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7070707 |
Magnetorheological composition
The invention provides a magnetorheological composition having reduced off-state forces and good performance. Specifically, this invention is directed to a magnetorheological composition that may... |
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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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7063802 |
Composition and method of making an element-modified ferrofluid
An element-modified ferrofluid comprising a base oil, a plurality of magnetic particles covered with at least one surfactant, and an elemental modifier. The elemental modifier is a metal, a metal... |
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7004817 |
Carrier assemblies, planarizing apparatuses including carrier assemblies, and methods for planarizing micro-device workpieces
Carrier assemblies, planarizing machines with carrier assemblies, and methods for mechanical and/or chemical-mechanical planarization of micro-device workpieces are disclosed herein. In one... |
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6932917 |
Magnetorheological fluids
One embodiment of the invention includes an MR fluid of improved durability. The MR fluid is particularly useful in devices that subject the fluid to substantial centrifugal forces, such as large... |
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6929756 |
Magnetorheological fluids with a molybdenum-amine complex
One embodiment of the invention includes an MR fluid of improved durability. The MR fluid is particularly useful in devices that subject the fluid to substantial centrifugal forces, such as large... |
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6881353 |
Magnetorheological fluids with stearate and thiophosphate additives
One embodiment of the invention includes an MR fluid of improved durability. The MR fluid is particularly useful in devices that subject the fluid to substantial centrifugal forces, such as large... |
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6878306 |
Magnetic writing screen dispersion medium
A magnetic dispersion medium is used in a magnetic writing screen toy. The dispersion medium is attracted to the underside of the screen when a magnetic tipped pen is passed over the upper surface... |