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8994370 |
Magnetoresistor integrated sensor for measuring voltage or current, and diagnostic system
The invention relates to an integrated sensor, including terminals (1, 2) for connection to an electric generator, said terminals being connected to a metal measuring line (4, 5) in which a... |
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8981586 |
Systems and methods to harvest fluid energy in a wellbore using preloaded magnetostrictive elements
A magnetostrictor assembly (100) includes a magnetostrictor element (105), a conductor coupled to the magnetostrictor element, and a bluff body (101) coupled to the magnetostrictor element via a... |
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8907506 |
Multimodal vibration harvester combining inductive and magnetostrictive mechanisms
Multi-Mechanism Energy Harvesters (MMEHs) combining magnetostrictive and inductive mechanisms with a shape and size similar to an AA battery. Included are MMEHs with (a) an inductive mode: a... |
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8901786 |
Actuator
Actuator having a drive element (16) which can be driven in reaction to electrical operation of a coil device (14), said drive element consisting of a magnetic shape-memory material and being... |
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8890376 |
Energy harvesting methods and devices, and applications thereof
An apparatus harvests electrical power from mechanical energy. The apparatus includes first and second load-bearing structures, a plurality of magnetostrictive elements, and an electrical circuit... |
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8836179 |
Systems and methods of energy harvesting with positive displacement motor
A system to harvest energy from shaft rotation includes a housing, a curved shaft disposed within the housing, and a magnetostrictive material embedded in the housing. A rotation of the curved... |
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8823221 |
Optimized galfenol-type magnetostrictive actuator
An apparatus and a method for optimizing a Galfenol-type magnetostriction actuator. The method and apparatus includes an elongated Galfenol-type magnetostrictive bar, first coil and a second coil,... |
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8786389 |
Magnetostrictive resonant energy converter
A resonant energy conversion apparatus may utilize magnetostrictive properties of a toroidal magnet. Electrical current induces periodic, complementary magnetic fields around separate quadrants of... |
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8779637 |
Magnetic actuation method
The present invention relates to a magnetic actuation method according to which a magnetized mobile (4) is directed by means of at least one magnetic element (2, 2a, 2b) placed opposite said... |
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8766495 |
Power generation element and power generation apparatus including the power generation element
A power generation element includes: a first nnagnetostrictive rod made of a nnagnetostrictive material; a rigid rod made of a magnetic material and disposed in parallel with the first... |
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8749101 |
Contact SH-guided-wave magnetostrictive transducer
A contact shear horizontal (SH) mode guided-wave magnetostrictive transducer including: a transduction band which is disposed on a surface of an object to be tested and in which electromagnetic... |
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8736145 |
Electromechanical transducer device and method of forming a electromechanical transducer device
A micro or nano electromechanical transducer device formed on a semiconductor substrate comprises a movable structure which is arranged to be movable in response to actuation of an actuating... |
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8665228 |
Energy efficient interactive display with energy regenerative keyboard
An electronic device including an interactive display having an interactive mode and a non-interactive mode. The interactive display includes an image display device that displays a... |
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8659208 |
Waveform generator for driving electromechanical device
An electrical waveform generator for driving an electromechanical load includes a digital signal processor connected to a waveform generator component in turn connected to an amplifier section... |
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8653719 |
Active 3D.O.F. stiffness element
A dynamic three-degree-of-freedom actuator/transducer element comprising at least three piezoceramic actuators and force sensors, as integrated stacks, which are preloaded in the housing by a... |
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8519594 |
Hall effect power generator
One or more superconductive cells are connected in series to provide voltage arising from the Hall effect when cooled to superconductor temperatures and immersed in a magnetic field. The magnetic... |
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8487487 |
Magnetostrictive actuator of a medical ultrasound transducer assembly, and a medical ultrasound handpiece and a medical ultrasound system having such actuator
Apparatus includes a magnetostrictive actuator of a medical ultrasound transducer assembly. The actuator comprises a magnetostrictive alloy chosen from a list. A medical ultrasound handpiece... |
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8471432 |
Magnetostrictive actuator
A magnetostrictive actuator comprises an assembly of at least two GMM rods (8, 9) spaced apart from each other on the same longitudinal axis, each rod being surrounded by a respective energising... |
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8416972 |
Transducer for vibration absorbing, sensing, and transmitting
A hermetically sealed actuator design for absorbing and reducing the effect of sound or vibration energy from a vibrating surface. The device comprises a body (1) containing a magnetostrictive... |
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8384501 |
Electromagnetic actuator having a magnetostrictive element and method for operating the electromagnetic actuator
An electromagnetic actuator (1) with an armature (3) mounted so that the armature can be moved by virtue of a bearing arrangement (6A, 6B) and an electric coil (4) is provided for moving the... |
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8378532 |
Actuator apparatus responsive to electrical activation
Actuator apparatus having a drive element (26) which can tilt and/or pivot in a predetermined manner in response to electrical activation and which is formed such that it can be contacted by an... |
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8338993 |
Actuator using magnetic force, and drive device and sensor using the same
To provide an actuator that can flexibly and softly move like muscles, can maintain a stable operation over a long period of time, can generate a strong driving force, has a rapid input response,... |
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8330334 |
Apparatus employing piezoelectric energy harvester capable of generating voltage to drive power conditioning circuit and method of manufacturing the same
Provided are a piezoelectric energy harvester and a method of manufacturing the same. The piezoelectric energy harvester is configured to obtain primary voltage from a piezoelectric layer vibrated... |
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8308874 |
Magnetostrictive materials, devices and methods using high magnetostriction, high strength FeGa and FeBe alloys
An alloy comprising: a magnetostrictive iron alloy having the formula: FexGayAlz, where x is of from about 65 at % to about 90 at %, y is of from about 5 at % to about 35 at %, andz is of from... |
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8237525 |
Device having a shape memory element
Conventional devices have a valve needle and a shape memory element which, by the application of a controllable magnetic field, executes a control stroke travel that operates the actuator, and... |
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8212436 |
Apparatus for harvesting electrical power from mechanical energy
An apparatus for harvesting electrical power from mechanical energy is described. The apparatus includes: a flux path. The flux path includes: a magnetic material having a magnetic property that... |
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8198761 |
Magnet drive motor
A magnetic drive motor includes a housing; a plurality of cylinders bored in the housing, each cylinder having an upper end; a piston reciprocatingly received within each cylinder; a cylinder head... |
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8134432 |
Magnetically biased magnetopropant and pump
Provided is a system and method for enabling pressure or acoustic waves to induce magnetostrictive volume or shape change, providing greater control over magnetopropants. A coating material and... |
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8093869 |
Apparatus for generating electricity utilizing nondestructive interference of energy
A ferromagnetic material having non-zero magnetoelasticity, and/or nonzero magnetostriction is driven with vibratory mechanical energy at a frequency producing at least one resonant vibratory... |
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8008816 |
Device with magnetoplastic and/or magnetoelastic thin-film transducer and pick-up coil for harvesting energy
A magnetoplastic and/or magnetoelastic material transduces linear motion, delivered to it by a mechanical connection, into a change of magnetic field, via twin boundary deformation. A bias... |
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7999422 |
Linear actuator using magnetostrictive power element
A linear actuator includes a substantially cylindrical magnetostrictive element disposed in a housing. A retainer is cooperatively engaged with the housing and an exterior of the magnetostrictive... |
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7952239 |
Bimetallic strips for energy harvesting, actuation and sensing
Disclosed are bimetallic strips that incorporate magnetostrictive materials to enhance and provide sensing, actuating and energy harvesting functions. The bimetallic strips include a positive... |
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7944071 |
Method and device for energy generation
A method and device for using magnetostriction to generate electricity from fluid motion. The device includes a first structural component, an outer housing, and a strain structure. The outer... |
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7928614 |
High-performance ultrasonic transducer and method for the production thereof
The invention relates to an ultrasonic transducer, comprising an ultrasonic flange and a magnetostrictive driver, wherein the driver is connected to a contact surface of the ultrasonic flange that... |
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7919909 |
Integrated coupling structures
An integrated package provides contactless communication through a coupling mechanism embedded in the package. Package types include Surface Mount Technology (SMT), Low Temperature Co-fired... |
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7893801 |
Magnetically biased magnetopropant and pump
Provided is a system and method for enabling pressure or acoustic waves to induce magnetostrictive volume or shape change, providing greater control over magnetopropants. A coating material and... |
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7880573 |
Magnetostriction aided switching
A method for reducing a temperature rise of a magnetic material is provided. The method includes applying force to the magnetic material to reduce a dimensional change of the magnetic material... |
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7834490 |
Bimetallic strips for energy harvesting, actuation and sensing
Disclosed are bimetallic strips that incorporate magnetostrictive materials to enhance and provide sensing, actuating and energy harvesting functions. The bimetallic strips include a positive... |
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7834514 |
Wireless surface acoustic wave-based proximity sensor, sensing system and method
The subject invention is related to wireless proximity sensor and sensing system for detecting the position of an object. The system includes a transceiver for providing wireless communication... |
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7816799 |
Method and device for energy generation
A method and device for using magnetostriction to generate electricity from fluid motion. The device includes a first structural component, an outer housing, and a strain structure. The outer... |
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7808159 |
Magnetostrictive / piezo remote power generation, battery and method
A power generation device generates power by subjecting a composite of magnetostrictive material and piezo material to a magnetic field. The composite of magnetostrictive material and piezo... |
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7804229 |
Magnetostrictive / piezo remote power generation, battery and method
A power generation device generates power by subjecting a composite of magnetostrictive material and piezo material to a magnetic field. The composite of magnetostrictive material and piezo... |
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7791250 |
Method for ultra-fast controlling of a magnetic cell and related devices
The present invention relates to a device and corresponding method for ultrafast controlling of the magnetization of a magnetic element. A device (100) includes a surface acoustic wave generating... |
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7781939 |
Thermal expansion matching for acoustic telemetry system
Thermal expansion matching for an acoustic telemetry system. An acoustic telemetry system includes at least one electromagnetically active element and a biasing device which reduces a compressive... |
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7732994 |
Non-linear piezoelectric mechanical-to-electrical generator system and method
A non-linear power generator system that may include a flexible beam for receiving a mechanical input, the flexible beam being supported in a bowed configuration; an electrically responsive member... |
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7688168 |
Actuators based on ferromagnetic shape memory alloy composites
Linear actuators (also known as an inchworm actuator) including a magnetically actuatable shape memory alloy (SMA) are described. The linear actuators include a bar and an actuator assembly,... |
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7675253 |
Linear actuator using magnetostrictive power element
A linear actuator includes a substantially cylindrical magnetostrictive element disposed in a housing. A retainer is cooperatively engaged with the housing and an exterior of the magnetostrictive... |
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7664377 |
Driving apparatus for a ceiling fan
A driving apparatus for a DC brushless motor of a ceiling fan is provided. By setting at least one coder and one sensor outside the DC brushless motor, the driving apparatus can sense the position... |
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7638922 |
Method for ultra-fast controlling of a magnetic cell and related devices
The present invention relates to a device and corresponding method for ultrafast controlling of the magnetization of a magnetic element. A device (100) includes a surface acoustic wave generating... |
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7612473 |
Driving device and method
A driving device has a magnetostrictive actuator that drives a load member based on a driving signal, a sensor that detects an action of the load member, and a compensation unit that performs... |