|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
7605928 |
Two-dimensional nanopositioner with crude and fine stages
The invention relates to accurate positioning devices which make it possible to displace an object within a nanometric range. The device includes a fixed foundation element (FE) provided with fine...
|
|
|
7573172 |
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...
|
|
|
7564175 |
Tubular spring for actuator, and method for assembling the tubular spring
A tubular spring is provided for preloading a piezoelectric or magnetostrictive actuator for the actuation of fuel injection valves for fuel injection systems of internal combustion engines. The...
|
|
|
7564152 |
High magnetostriction of positive magnetostrictive materials under tensile load
An elongate structure having a magnetostrictive material composition is subjected to tensile stress in the longitudinal-axial direction, thereby generally orienting the magnetization of the...
|
|
|
7559241 |
High-throughput continuous-flow ultrasound reactor
Liquids are treated by ultrasound in a flow-through reaction vessel with an elongate ultrasonic horn mounted to the vessel with one end of the horn extending into the vessel interior. The liquid...
|
|
|
7548010 |
Active material based actuators for large displacements and rotations
An actuator adapted to incrementally translate and/or rotate an object, the actuator comprising a body comprising a first portion, a second portion, and an opening coaxially extending from the...
|
|
|
7521842 |
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...
|
|
|
7514804 |
Energy harvesting technique to support remote wireless MEMS RF sensors
A method of harvesting vibrational energy is provided. This method involves generating a high magnetic flux density field within a current induction conductor such as an induction coil. The high...
|
|
|
7488369 |
Magnetostriction device
A magnetostriction device is made such that an impregnated composition material, such as phenol resin, a resin in which an inorganic material such as silica is dispersed into a phenol resin, an...
|
|
|
7469878 |
Magnetostrictive valve assembly
A magnetostrictive valve assembly includes a housing that defines a passage with a seat being formed therein. A magnetically-biased and axially-compressed magnetostrictive assembly slidingly fitted...
|
|
|
7462960 |
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...
|
|
|
7456714 |
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...
|
|
|
7456530 |
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...
|
|
|
7453173 |
Electromechanical transformation device
An electromechanical transformation device has a magnetostrictive actuator and a driving device that drives the magnetostrictive actuator. The driving device drives the magnetostrictive actuator...
|
|
|
7436104 |
Non-linear piezoelectric mechanical-to-electrical generator system and method
A non-linear, piezoelectric mechanical-to-electrical generator especially well adapted for use with a Stirling engine, to thus form an electrical power generation system. In one form the generator...
|
|
|
7394183 |
Kinetic micro-generator: a method of generating electrical current via magnetostriction and the piezoelectric effect
An apparatus constructed from a combination of a magnetic north orienting lodestone, magnetostrictive ferrogel, and piezoelectric crystals can generate electrical current when exposed to kinetic...
|
|
|
7352112 |
Hybrid piezoelectric-magnetostrictive actuator
Hybrid actuator. The actuator includes a piezoelectric actuator spaced apart from a magnetostrictive actuator. A linkage is in contact with the piezoelectric and magnetostrictive actuator, the...
|
|
|
7339291 |
Ultrasonic transducer and ultrasonic vibration device using the same
An ultrasonic transducer includes a giant magnetostrictive rod 12 of a columnar shape which is made of a giant magnetostrictive member, and vibration plates 14 and 16 which are made of plate...
|
|
|
7321185 |
Active multistable twisting device
Two similarly shaped, such as rectangular, shells are attached to one another such that they form a resulting thin airfoil-like structure. The resulting device has at least two stable equilibrium...
|
|
|
7298060 |
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...
|
|
|
7282822 |
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...
|
|
|
7276824 |
Oscillating system and tool for ultrasonic impact treatment
Devices including a magnetostrictive transducer, an oscillating system and a tool for ultrasonic impact treatment of constructions, construction units and components of machines and mechanisms are...
|
|
|
7275440 |
Loop-shaped ultrasound generator and use in reaction systems
Ultrasound for use in chemical reactions is generated by an electromagnet formed from an ultrasound transducer whose central feature is a loop of magnetostrictive material wound with coils oriented...
|
|
|
7255290 |
Very high speed rate shaping fuel injector
A very high speed injector permits injecting high pressure diesel oil directly into a diesel engine combustion chamber. The very high speed permits almost arbitrary rate shaping, minimizing...
|
|
|
7246489 |
Position control actuator system
A position control actuator system includes a control element and first and second actuators. The first and second actuators are each comprised of magneto-active twinned material. The first...
|
|
|
7218067 |
Magnetic actuator drive for actuation and resetting of magnetic actuation materials
A magnetic actuator is provided including a magnetic field-actuated material and a plurality of interconnected electrically conducting coils, each coil including a number of wire turns arranged...
|
|
|
7196437 |
Contraction 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...
|
|
|
7053529 |
Torsional acoustic wave sensor
An acoustic wave sensor/resonator utilizes a torsional wave trapped in an acoustic wave cavity that is formed in a noncylindrical substrate. An acoustic wave transducer is positioned adjacent the...
|
|
|
7002310 |
Piezo-based encoder with magnetic brake for powered window covering
The position and speed and, in some embodiments, direction of rotation of a motor for turning the rod of an object such as a window covering is determined by placing a braking magnet next to the...
|
|
|
7002283 |
Ultrasonic transducer assembly
The invention provides an ultrasonic transducer assembly for a bonding apparatus, comprising a bonding tool mounted to an amplifying horn secured between first and second ultrasonic-generating...
|
|
|
6984902 |
High efficiency vibration energy harvester
In a vibrational energy harvester, an external vibration causes relative motion between a permanent magnet and a magnetic field sensing element composed of a magnetostrictive material bonded to an...
|
|
|
6982502 |
Hybrid electric linear actuator
A hybrid linear actuator features a central load shaft on which a plurality of solid-state magnetostrictive thrusters are positioned in operative relation to electric motors of a permanent magnet...
|
|
|
6946776 |
Method and apparatus for maintaining a liquid metal switch in a ready-to-switch condition
A method and apparatus for maintaining a liquid metal switch in a state of readiness for switching. The liquid metal switch has a liquid metal volume contained in a cavity of a switch body. A...
|
|
|
6927475 |
Power generator and method for forming same
A power generator. The power generator includes a first substrate, a second substrate, a magnetic film, a first metal layer, a second metal layer and an electricity storage device. The second...
|
|
|
6919779 |
Folded magnetostrictive wave guide
A magnetostrictive system is shown wherein there is included a wave guide but no return wire. The wave guide is folded and acts as the completed wire (whether solid or hollow) for conducting...
|
|
|
6909224 |
Piezoelectric generator
A method of extracting electrical energy from mechanical motion includes reusing an elastic portion of energy in a transducer by transferring the elastic portion of energy to another transducer. An...
|
|
|
6897628 |
High-power ultrasound generator and use in chemical reactions
Ultrasound for use in promoting a chemical reaction is generated by an electromagnet formed from a pair of magnetostrictive prongs wound with coils that are oriented to produce an oscillating...
|
|
|
6894424 |
High frequency push-mode latching relay
An electrical relay that uses a conducting liquid in the switching mechanism. In the relay, a pair of moveable switching contacts is positioned between a pair of fixed electrical contact pads. A...
|
|
|
6891286 |
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...
|
|
|
6879088 |
Insertion-type liquid metal latching relay array
An electrical relay array using conducting liquid in the switching mechanism. The relay array is amenable to manufacture by micro-machining techniques. Each element of the relay array uses an...
|
|
|
6876131 |
High-frequency, liquid metal, latching relay with face contact
An electrical relay using conducting liquid in the switching mechanism. The relay is amenable to manufacture by micro-machining techniques. In the relay, two electrical contacts are held a small...
|
|
|
6870295 |
Oscillating motor and motor control apparatus and method
An oscillating motor is provided which can be reciprocally rotated within a predetermined rotation region without any conversion device for changing to a linear movement, and which can be simply...
|
|
|
6844657 |
Microelectromechanical system and method for producing displacement multiplication
A microelectromechanical system is disclosed that provides amplified movement without requiring the use of a displacement multiplier. Generally, a lever or the like is interconnected with a...
|
|
|
6815866 |
Cantilever having step-up structure and method for manufacturing the same
A cantilever having a step-up structure and a method of manufacturing the same. The cantilever includes a substrate, an anchor formed on the substrate, and a moving plate connected to the anchor...
|
|
|
6803738 |
Magnetic actuation and positioning
Magnetic forces are used as a controlled actuation mechanism to move and position objects of interest. In one embodiment, a first spherical surface has at least one magnetic positioner attached. A...
|
|
|
6763726 |
Mechanical force sensor
A mechanical-force sensor includes two piezoelectric vibrators which are arranged such that stresses in mutually opposite directions are applied thereto by a mechanical force such as an...
|
|
|
6747377 |
Method for producing motion and force by controlling the twin structure orientation of a material and its uses
The present invention refers to a method for obtaining shape changes, motion and/or force in a material having a twinned structure. According to the method, a sufficiently high external magnetic...
|
|
|
6720684 |
Method of control for a self-sensing magnetostrictive actuator
A method of controlling the amount of magnetostriction in a magnetostrictive actuator is provided. The method compensates for non-ideal influences, such as imperfections in the magnetostrictive...
|
|
|
RE38347 |
Flat coreless vibrator motor having no output shaft
One end of a shaft is fixed to a first portion of a housing. An eccentric rotor is located in the housing rotatably on the shaft. The other end of the shaft is fitted into a concave portion on a...
|