H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction

Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251)
11/2011
11/10/2011	US20110273058 Rotary type vibration wave driving apparatus
11/09/2011	DE202011051067U1 Piezoelektrischer Oszillator mit geführter wärmeabstrahlender Funktion A piezoelectric oscillator with guided heat radiating function
11/09/2011	CN202034920U Electromagnetic micro driver based on magnetic elastic materials
11/09/2011	CN202034919U Toroidal ultrasonic polishing vibrator
11/09/2011	CN102237819A Stress-variable magnetic conductance type micro-vibration generating device
11/09/2011	CN102237818A Tower-like ultrasonic motor with asymmetrical structure and asymmetrical modes thereof as well as electric excitation mode of asymmetrical modes
11/09/2011	CN102237817A Vibrating device and image equipment having the same
11/09/2011	CN102237761A Wireless sensor network node supplied with power by piezoelectric generator
11/09/2011	CN102234193A Bismuth iron oxide powder, manufacturing method for the bismuth iron oxide powder, dielectric ceramics, piezoelectric element, liquid discharge head, and ultrasonic motor
11/09/2011	CN101697461B Energy-saving high-temperature superconducting linear motor driver for track traffic
11/09/2011	CN101526661B Camera lens mould train
11/09/2011	CN101505113B Cone surface ultrasonic motor
11/09/2011	CN101277075B Core-aligning core-regulating mechanism for two freedom ball motor
11/07/2011	DE202008010899U1 Generator mit Piezo-Scheiben-Generatoren zur Stromerzeugung Generator with piezo discs generators to produce electricity
11/03/2011	WO2011136315A1 Vibration power generation device
11/03/2011	WO2011136312A1 Vibration power generation device and method for manufacturing same
11/03/2011	WO2011136154A1 Actuator
11/03/2011	WO2011049609A3 Flexure assemblies and fixtures for haptic feedback
11/03/2011	US20110270043 Air movement energy harvesting with wireless sensors
11/03/2011	US20110266921 Ultrasonic actuator
11/03/2011	US20110266920 Electromechanical motor, especially a piezoelectric microstepper drive
11/03/2011	DE102010019666A1 Aktorisches, sensorisches und/oder generatorisches Faserverbundbauteil und Verfahren zu seiner Herstellung Aktorisches, sensory and / or regenerative fiber composite component and process for its preparation
11/03/2011	DE102010018875A1 Piezogenerator mit verschiedenen Piezoelementen und elektronische Schaltung Piezoelectric generator with various PZT elements and electronic circuit
11/02/2011	CN202026254U Special hair curler for cold wave
11/02/2011	CN202023709U Mine energy regeneration wireless sensor
11/02/2011	CN102231611A Trampling simply supported beam piezoelectric generating device
11/02/2011	CN102231610A Giant magnetostrictive cylinder and rod composite driving actuator and working method thereof
11/02/2011	CN102229323A Piezoelectric generating vehicle seat
11/02/2011	CN102097974B Travelling-wave linear ultrasonic micromotor
11/02/2011	CN101599717B Spherical travelling wave type ultrasonic motor pre-tightening mechanism with multiple degrees of freedom
11/01/2011	US8049396 Piezoelectric ultrasonic motor and method of manufacturing the same
11/01/2011	US8049148 Missile airframe and structure comprising piezoelectric fibers and method for active structural response control
11/01/2011	US8047077 Surface acoustic wave sensor and sensing method using surface acoustic wave
10/2011
10/27/2011	WO2011132532A1 Piezoelectric actuator and manufacturing method for piezoelectric actuator
10/27/2011	US20110260584 Piezoelectric polymer fibers
10/27/2011	US20110260583 Piezoelectric power apparatus
10/27/2011	US20110260582 Wave power generator
10/27/2011	US20110260580 Electromechanical Motor, especially a piezoelectric Microstepper Drive
10/27/2011	US20110260579 Tubular linear piezoelectric motor
10/27/2011	DE102010018378A1 Flow-excited electrical generator for tidal or wave power plant utilized to generate electric power, has hose comprising downstream stabilization unit for stabilizing cross-section of hose outlet that is opened and closed by closure device
10/26/2011	EP2379166A1 High efficiency piezoelectric micro-generator and energy storage system
10/26/2011	EP1523777B1 Near-resonance electromechanical motor
10/26/2011	CN202019320U Spherical surface limiting generating device with round piezoelectric vibrators
10/26/2011	CN202019319U Power generation device for lamp switch based on hollow piezoelectric transducer
10/26/2011	CN102226503A Lighting system using vibration energy piezoelectric generation
10/25/2011	US8044554 Ultrasonic motor and manufacturing method of the same
10/25/2011	US8042239 Piezoelectric/electrostrictive element and method of manufacturing the same
10/20/2011	WO2011129855A2 Wide-bandwidth mems-scale piezoelectric energy harvesting device
10/20/2011	US20110256004 Piezoelectric devices and methods and circuits for driving same
10/20/2011	US20110254407 Ultrasonic actuator
10/20/2011	DE102010062112A1 Verfahren zum Heißpolarisieren eines piezokeramischen Bauelements A method for Heißpolarisieren a piezoceramic device
10/20/2011	DE102010027845A1 Piezoelektrischer Aktor Piezoelectric actuator
10/20/2011	DE102010016499A1 Planar piezo generator module for converting mechanical energy into electrical power, has piezoelectric film whose portions are connected with film-like electrodes and formed one above other to form layers of multi-layer arrangement
10/20/2011	DE102010015660A1 Circuit arrangement for switching capacitor in e.g. switching power supply, has switching element controlling switch device, such that switch device cancels short-circuit of capacitor when preset charge state of capacitor is reached
10/20/2011	DE102010015171A1 Piezoelectric actuator module for use as modular, active composite component, has two piezo stacks arranged on common carrier and partially molded with plastic, where one piezo stack is formed as active piezo element
10/19/2011	EP2377177A1 Piezoelectric motor
10/19/2011	EP1726050B1 Piezoelectric thin film, method of manufacturing piezoelectric thin film, piezoelectric element, and ink jet recording head
10/19/2011	CN102224670A Piezoelectric oscillator and ultrasonic motor
10/19/2011	CN102223107A System for collecting wide-band low-frequency micro piezoelectric vibration energy
10/19/2011	CN102223106A Permanent-magnet pressure electronic power generator technology
10/19/2011	CN102223105A Piezoelectric generator
10/19/2011	CN102223104A Rotary traveling wave ultrasonic motor capable of adjusting pre-pressure by nuts
10/19/2011	CN102223103A Driving circuit for ultrasonic magnetostrictive transducer
10/19/2011	CN102222167A Direction optimization configuration method of piezoelectric actuator based on artificial immune algorithm
10/19/2011	CN101792996B Asphalt concrete pavement utilizing self-generation of direct piezoelectric effect
10/19/2011	CN101753057B Traveling wave ultrasonic motor assembling device
10/18/2011	US8040022 Forced vibration piezo generator and piezo actuator
10/18/2011	US8040018 Piezoelectric transformer type high-voltage power apparatus and image forming apparatus
10/15/2011	CA2737673A1 Electric door release powered by an energy harvester
10/13/2011	WO2011125719A1 Motor device, method for driving rotor, and robot device
10/13/2011	WO2011125608A1 Motor device, method for producing motor device, and robot device
10/13/2011	WO2011125579A1 Motor device, method for manufacturing motor device, and robot apparatus
10/13/2011	WO2011052973A3 Piezoelectric vibration device having structure including self-amplification function of vibration and electric/electronic device using same as vibrating means
10/13/2011	US20110248652 Control circuit for vibration-type actuator
10/13/2011	US20110248605 Piezoelectric power generating apparatus
10/13/2011	DE102010014595A1 Sendeeinrichtung Transmitting device
10/12/2011	EP2375431A2 Transmission device
10/12/2011	EP2374205A2 Piezoelectric quasi-resonance motors based on acoustic standing waves with combined resonator
10/12/2011	EP2374169A1 Device for converting mechanical energy into electric energy using at least one piezoelectric transducer
10/12/2011	EP2020077B1 Positioning motor and apparatus
10/12/2011	EP1848103B1 Tire with electric-power generation device
10/12/2011	CN102217185A An energy harvester
10/12/2011	CN102217184A A device for maximum detection of vibrating energy for harvesting energy
10/12/2011	CN102215011A Ultrasonic motor and electronic apparatus which mounts the motor thereon
10/12/2011	CN102215010A Vibration type actuator, vibrator, and vibrator manufacturing method
10/12/2011	CN102214319A Method for optimally configuring direction of piezoelectric actuator based on ant colony and particle swarm mixed algorithm
10/12/2011	CN102214318A Method for optimally configuring direction of piezoelectric actuator based on double ant colony algorithm
10/12/2011	CN101425762B Ultrasonic straight line motor and automatic focusing/zooming system driven thereby
10/11/2011	US8035275 Vibration actuator, lens barrel, camera system and vibrating element
10/11/2011	US8034275 Assembly having a component enclosed by a housing, and device and method used in its manufacture
10/06/2011	WO2011123391A2 Haptic actuator systems and methods thereof
10/06/2011	WO2011120258A1 Non-resonant energy harvesting devices and methods
10/06/2011	WO2011056524A3 Nonlinear oscillator for vibration energy harvesting
10/06/2011	US20110242403 Drive device, image acquisition device, and electronic apparatus
10/06/2011	US20110241576 Ultrasonic system controls, tool recognition means and feedback methods
10/06/2011	US20110241488 Vibration type actuator, vibrator, and vibrator manufacturing method
10/06/2011	US20110241487 Drive unit
10/06/2011	US20110241486 Ultrasonic motor and electronic apparatus which mounts the motor thereon
10/06/2011	US20110241485 Motor device, method of manufacturing motor device, and robot device
10/06/2011	US20110241484 Motor device, method of manufacturing motor device, and robot device

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