Class 310/26 - Magnetostrictive

Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter having means to produce motion or electric
No. of applications: 40
Last issue date: 12/29/2011

Application No.	Application Title	Issue Date
20110316362	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 is a function of stress on the magnetic material; a first magnetically cond...	12/29/2011
20110255197	MICROWAVE OSCILLATING ELEMENT AND THIN FILM MAGNETIC HEAD THEREWITH A microwave oscillation element of the present invention includes a lamination main part in which an oscillating layer that is a magnetization free layer and that generates a high frequency electromagnetic field by an excitation of a spin wave, a nonmagnetic intermediat...	10/20/2011
20110140577	INCREASED FREQUENCY POWER GENERATION USING LOW-FREQUENCY AMBIENT VIBRATIONS An increased frequency power generator that includes a pair of transducers located on opposite sides of a suspended inertial mass. Magnetic attraction is used to couple the mass to each of the two transducers in alternating fashion in response to vibration and other mov...	06/16/2011
20110133477	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 housing substantially circumscribes the first structural component and at leas...	06/09/2011
20110057458	PIEZOELECTRIC ENERGY HARVESTER 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 to generate voltage and secondary voltage from a magnetostrictive layer v...	03/10/2011
20110018368	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 faces the same, and wherein the driver and the ultrasonic flange are conn...	01/27/2011
20100277011	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, has a favorable sensitivity, has a high energy conversion efficiency, and ...	11/04/2010
20100244591	Method and apparatus for monitoring wall thinning of a pipe using magnetostrictive transducers and variation of dispersion characteristics of broadband multimode shear horizontal (SH) waves Magnetostrictive transducers for monitoring wall thinning in a pipe, and an apparatus and method for monitoring wall thinning in a pipe using magnetostrictive transducers are provided. The magnetostrictive transducers generate broadband multimode shear horizontal (SH) w...	09/30/2010
20100133843	METHOD AND DEVICE FOR HARVESTING ENERGY FROM OCEAN WAVES A method and device for generating electricity from ocean waves. The device includes at least one magnetostrictive element and one or more electrically conductive coils or circuits. When the magnetostrictive element is deployed in a body of water, the motion of the body...	06/03/2010
20100127582	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 housing substantially circumscribes the first structural component and at leas...	05/27/2010
20100117463	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 element such that relaxed portions of the magnetostrictive element are fri...	05/13/2010
20100101901	ELECTRIC CONTROL BRAKING DEVICE The invention relates to a braking device that comprises an electric motor (1) capable of acting with the means (2) for the quick movement of the pads (3) into contact with a disk (4) or a drum, and a magnetostrictive actuator capable of gene...	04/29/2010
20100016728	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 includes an ultrasound transducer assembly adapted to attachingly receive an en...	01/21/2010
20090218914	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 material may be incorporated in a battery or other storage device....	09/03/2009
20090195222	Adjustable resonance frequency vibration power harvester A resonance frequency vibration power harvester comprises an elongate body, a first vibration energy harvester device and a weight. The elongate body includes a first end, a second end and an interior channel extending through at least a portion of the elongate body bet...	08/06/2009
20090167115	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 material may be incorporated in a battery or other storage device....	07/02/2009
20090039714	Magnetostrictive FeGa Alloys A low-cost, thermomechanical method for manufacturing [001] textured FeGa alloys is described. The method includes hot rolling a FeGa cast ingot to break down the cast structure, a two-stage warm rolling with an intermediate anneal, and then a final texture anneal that ...	02/12/2009
20080143195	MAGNETOMECHANICAL TRANSDUCER, AND APPARATUS AND METHODS FOR HARVESTING ENERGY A magnetomechanical transducer, and apparatus and methods using said magnetomechanical transducer, extract electrical power from any motion, including random motion, cyclic, and vibrational motion. The motion is transferred to linear motion through a mechanical connecti...	06/19/2008
20080111431	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 element such that relaxed portions of the magnetostrictive element are fri...	05/15/2008
20080036308	Magnetically Driven Reciprocating System And Method A magnetically driven reciprocating power output system including: at least one first electromagnet having a direction of elongation defining an axial direction, having a first end and a second end, and having an elongated opened core extending from the first end to the...	02/14/2008
20070296283	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 material may be incorporated in a battery or other storage device. ...	12/27/2007
20070267922	Actuator The present invention provides the actuator, which is capable of increasing a moving range of a movable element in which a specified output force can be gained by reducing variation of a thrust force caused by stroke amount. Either of peripheral surfaces (P1, P	11/22/2007
20070222433	Sensor array for nuclear magnetic resonance imaging systems and method The present invention generally provides improved devices, systems, and methods for measuring materials with NMR and/or MRI. Exemplary embodiments provide a sensor array for NMR mapping of the material. For example tissue can be measured with the sensor array mounted on...	09/27/2007
20070194647	Magnetic drive apparatus A magnetic drive apparatus, which has a rotor; and a stator having a stator magnetic flux generator, and a stator magnetic guidepath for guiding magnetic flux from the stator magnetic flux generator to the rotor, and which rotationally drives the rotor relative to the s...	08/23/2007
20070194636	MAGNETOSTRICTIVE ACTUATOR A magnetostrictive actuator has magnetostrictive element having a magnetostrictive, a driving rod mving in a displacement direction of the magnetostrictive element, which is connected with the magnetostrictive element and made of a ferromagnet, a solenoid coil applying ...	08/23/2007
20070159012	Acoustic equipment An acoustic equipment has a columnar magnetostrictor 51, a drive coil 54, and a vibration transmitter 55. The columnar magnetostrictor 51 has one end where a partition 22 (stopper) is disposed to define the one end as a fixed end, and has the...	07/12/2007
20070145833	Magnetoelectric devices and methods of using same The operational frequency of existing magnetoelectric materials having metallic or ceramic magnetostrictive materials and ceramic piezoelectric materials may be limited to a few kilohertz due to the presence of eddy-current losses in the metallic magnetostrictive phase....	06/28/2007
20070114855	Actuator An actuator has a columnar magnetostrictor 51, a drive coil 54, and an elastic member (sponges 52a, 52b). The columnar magnetostrictor 51 has one end defined as a fixed end and the other end defined as a free end to expan...	05/24/2007
20070081679	Portable audio drive unit A portable audio drive unit has a case, an audio signal output section that outputs an audio signal, and a magnetostrictive actuator that drives on the basis of the audio signal output from the audio output section. The magnetostrictive actuator includes a displacement ...	04/12/2007
20070001631	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 feedback compensation on the driving signal which the magnetostrictive actuato...	01/04/2007
20060255663	Method and apparatus for conversion of movement to electrical energy A method for converting useful movement into electrical energy includes moving a structure against a surface thereby generating a force against a material integrated into the structure, deforming the material in response to the force to thereby generate electrical energ...	11/16/2006
20060175912	Magnetostrictive actuator A magnetostrictive actuator includes: a driving unit composed of generally plate-like positive and negative magnetostrictive elements laminated in a direction of thickness, being arranged generally in parallel with a drive surface of a driven member; a driving coil for ...	08/10/2006
20060091738	Contractor type actuator A contraction type actuator 10 is provided which can efficiently and evenly apply a bias magnetic field to a magnetostrictive rod to obtain a large contraction amount, while having a small and simple structure. In the contraction ty...	05/04/2006
20050242806	Sensor The disclosure relates to a method and an apparatus for sensing and indicating permanent state deviations via detection of temporary inner material oscillations in real time in parts of importance for hardware design and construction, within existing production equipmen...	11/03/2005
20050218729	Magnetoelectric devices and methods of using same Existing magnetoelectric materials relying on the use of metallic or ceramic magnetostrictive materials and ceramic piezoelectric materials as their constituent phases may have three problems. First, the operational frequency may be limited to a few kilohertz due to the...	10/06/2005
20050212364	Magnetostrictive actuator A magnetostrictive actuator has magnetostrictive element having a magnetostrictive, a driving rod moving in a displacement direction of the magnetostrictive element, which is connected with the magnetostrictive element and made of a ferromagnet, a solenoid coil applying...	09/29/2005
20050201584	Helmet with a magnetostrictive actuator A magnetostrictive actuator comprises a rod of giant magnetostrictive material, biasing permanent magnets arranged at each end thereof and coaxially therewith so as to pass a magnetic field through the rod. An energizing electromagnetic coil is connected to an energizer...	09/15/2005
20050146231	Driver for an ultrasonic transducer and an ultrasonic transducer An ultrasonic transducer driver has a giant magnetostrictive element, a fastener for holding the giant magnetostrictive element under mechanical pressure, a first field generator for providing a magnetic bias field, a second field generator for providing a magnetic driv...	07/07/2005
20050082916	Lever-arm displacement-increasing device In a lever-arm displacement-increasing device, two lever arms are joined at one end. The other end of one of the lever arms is connected to a fixed portion that supports the rear end of an actuator element, and the other end of the other lever arm is connected to a rigi...	04/21/2005
20050029878	MAGNETOSTRICTIVE ACTUATOR A magnetostrictive actuator comprises a rod of giant magnetostrictive material, biasing permanent magnets arranged at each end thereof and coaxially therewith so as to pass a magnetic field through the rod. An energizing electromagnetic coil is connected to an energizer...	02/10/2005

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Class 310/26 - Magnetostrictive