Patents
Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251)
07/2010
07/28/2010CN101789712A Large-torque continuous rotating type SMA motor
07/28/2010CN101789711A Construction method for quasi-independent modal actuator
07/27/2010US7764003 Signal control in micromachined ultrasonic transducer
07/22/2010US20100181870 Vibratory actuator and drive unit including the same
07/22/2010US20100181867 Piezoelectric vibration device system and electronics apparatus
07/22/2010DE102009005417A1 Piezoelectric or piezoresistive body, has piezoelectric or piezoresistive element producing mechanical stresses whose summation/subtraction is made in x- and/or y-directions by non-constant cross-section and non-constant thickness of body
07/22/2010DE102009000277A1 Verstellvorrichtung Adjustment
07/21/2010EP2209203A2 Piezo linear drive with a group of piezo stack actuators
07/21/2010EP2209202A2 Method for operating a piezo linear drive with a group of piezo stack actuators
07/21/2010EP2209201A1 Power generation unit
07/21/2010EP2209145A2 Piezoelectric drive device and electronic device
07/21/2010EP2208244A1 Pieozoelectric drive device
07/21/2010EP2208241A1 Method and device for the calibration a piezo-actuator that is actuated in a motor vehicle for driving a switching valve
07/21/2010CN201531301U Reciprocating piston internal combustion engine for generating electricity in cylinder
07/21/2010CN1964175B A screw thread driving polyhedral supersonic micro motor with pre-pressure mechanism
07/21/2010CN101783617A Piezoelectric self-generating unit for generating electric charge by utilizing direct piezoelectric effect
07/21/2010CN101783616A Piezoelectric self-generated energy acquisition and illumination device for asphalt concrete pavement
07/21/2010CN101783615A Marine instrument and meter power supply device based on sea wave energy capture
07/21/2010CN101783614A Piezoelectric drive device and electronic device
07/21/2010CN101783613A Piezoelectric vibration device system and electronics apparatus
07/21/2010CN101170286B Multi-freedom degree ultrasonic wave electromotor based on piezoelectric porcelain shear strain
07/20/2010US7759840 Ultrasonic motor and vibration detection method for ultrasonic motor
07/15/2010WO2010080634A2 Piezoelectric quasi-resonance motors based on acoustic standing waves with combined resonator
07/15/2010WO2010079857A1 Unit for a piezoelectric generator and piezoelectric generator system comprising same
07/15/2010WO2010079151A1 Device for converting mechanical energy into electric energy using at least one piezoelectric transducer
07/15/2010US20100177603 Piezoelectric drive device and electronic device
07/15/2010US20100177446 Microactuator with self-assembled monolayer encapsulant
07/15/2010US20100177445 Wiring connecting structure for piezoelectric actuator, piezoelectric actuator, and head suspension
07/15/2010US20100176694 Piezoelectric energy converter having a double membrane
07/15/2010US20100176693 Energy transducer and method
07/15/2010US20100176692 Autonomous power generation unit for auxiliary system on an airborne platform
07/15/2010US20100176691 Actuator comprising an electroactive polymer
07/15/2010US20100176690 Vibratory actuator and drive device using the same
07/15/2010US20100176689 Piezoelectric transmission systems
07/15/2010US20100176687 Vibratory actuator and drive unit including the same
07/15/2010DE102009004538A1 Heizgerät zur Wassererwärmung und Verfahren zur Energierückgewinnung bei einem Heizgerät Heater for heating water and process for energy recovery in a heater
07/15/2010DE102009000104A1 Method for charging capacitive load with bi-directional switching output stage, involves charging current during change-over process by supplying zero-voltage transition in parasitic capacitors of one of switches
07/15/2010DE102004026250B4 Ansteuerschaltung für Piezoaktoren A drive circuit for piezoelectric actuators
07/14/2010EP1148560B1 Piezoelectric / electrostrictive device and method of manufacture thereof
07/14/2010CN101777854A Ultrasonic motor
07/14/2010CN101777853A d31-effect based unidirectional chip longitudinal-torsional compound ultrasonic motor
07/14/2010CN101777852A Double-stator bending mode linear ultrasonic motor and operation mode and electric excitation method
07/14/2010CN101777851A Three degree of freedom spherical motor with multiple physical field mixing driving
07/14/2010CN101326651B Laminated piezoelectric element and process for producing the same
07/14/2010CN101262184B Vertical bending layer energy converter round disk stator and ultrasonic electromotor using this stator
07/14/2010CN101262183B Vertical vibration layer energy converter round disk stator and ultrasonic electromotor using this stator
07/14/2010CN101119081B Semiconductor refrigeration temperature control type ultra- magnetostriction microdisplacement actuator
07/14/2010CN101072000B Single-driving foot sandwiched transducer type longitudinal bending linear ultrasonic motor
07/13/2010US7755251 Control apparatus and control method for vibration wave driven apparatus
07/08/2010WO2010076117A1 Oscillation drive and method for operating an oscillation drive
07/08/2010WO2010076111A2 Oscillation drive
07/08/2010US20100171394 Energy harvesting for implanted medical devices
07/08/2010US20100171391 Ultrasonic motor
07/08/2010DE102009000022A1 Piezoelektrischer Stapelaktor A piezoelectric stack actuator
07/08/2010DE102009000019A1 Schwingungsantrieb Vibration drive
07/08/2010DE102009000018A1 Schwingungsantrieb Vibration drive
07/08/2010DE102009000017A1 Schwingungsantrieb Vibration drive
07/08/2010DE102009000015A1 Schwingungsantrieb sowie Verfahren zum Betreiben eines Schwingungsantriebs Oscillation drive and method for operating a vibration drive
07/08/2010DE102005026217B4 Verfahren und Vorrichtung zum Ansteuern einer kapazitiven Last Method and apparatus for driving a capacitive load
07/07/2010CN101771362A Automatically charging wireless input device structure
07/07/2010CN101083440B Rotary type piezoelectric micro-angle driving apparatus
07/06/2010US7750534 Drive device and drive system
07/06/2010US7750513 Primary part of a linear motor and linear motor therewith
07/01/2010WO2010073668A1 Motor device, device, and method of driving rotor
07/01/2010WO2010033012A3 An energy harvester
07/01/2010US20100164433 Wireless Battery Charging Systems, Battery Systems and Charging Apparatus
07/01/2010US20100164326 Motor device, apparatus and driving method for rotor
07/01/2010US20100164231 Aerodynamic Vibration Power-Generation Device
07/01/2010DE102009038218A1 Piezoelektrische und elektromagnetische Wandlungsvorrichtung Piezoelectric and electromagnetic conversion device
07/01/2010DE102008055144A1 Piezoactuator for use in fuel-injector for internal combustion engine to adjust e.g. jet needle, has inner electrodes connected with collector electrodes that are designed as open porous sintered mold parts consisting of silver metal flakes
07/01/2010DE102008055131A1 Piezoactuator for use in fuel-injector to adjust e.g. control valve, has electrode firmly connected with piezobody using sintered paste or by adhesive, soldering or welding material and designed as open porous sintered mold
07/01/2010DE102008055119A1 Piezoinjektor Piezoinjector
06/2010
06/30/2010EP2202876A1 Vibration actuator, and imaging device
06/30/2010EP1763092B1 Multilayer piezoelectric device and method for manufacturing same
06/30/2010CN201518456U Mini-size rod type thread ultrasonic motor
06/30/2010CN101764532A Piezoelectric giant magnetostrictive combined wideband vibration energy collector
06/30/2010CN101764531A Multi-operation mode piezoelectric generator and power generation method thereof
06/30/2010CN101764530A Driving apparatus and image pickup apparatus using the same
06/30/2010CN101488033B Structural vibration and noise control device based on energy recovery
06/30/2010CN101259465B Bending mode conversion type ultrasound wave torsional vibration energy converter
06/30/2010CN101119079B Triangle bended plate type piezoelectric straight line ultrasound electric motor
06/29/2010US7746600 Encapsulant for a disc drive component
06/29/2010US7746536 Micro thin-film structure, MEMS switch employing such a micro thin-film, and method of fabricating them
06/24/2010WO2010071791A2 Piezoelectric motor with high torque
06/24/2010WO2010070907A1 Polymer actuator, and valve and shaft sealing structure using same
06/24/2010WO2010036089A3 A device for maximum detection of vibrating energy for harvesting energy
06/24/2010WO2010033449A3 Circuit and method to improve energy harvesting efficiency in piezoelectric harvesters
06/24/2010US20100156250 Multi-Layer Piezoelectric Element and Method for Manufacturing the Same
06/24/2010US20100156240 Piezoelectric motor
06/24/2010US20100156239 Piezoelectric quasi-resonance linear motors based on acoustic standing waves with combined resonator
06/24/2010DE202009013703U1 Piezoelektrischer Linearmotor, der eine erhöhte Verschiebung bietet A piezoelectric linear motor provides increased displacement
06/24/2010DE102008063827A1 Holder for piezo-leg motor of motor-driven system, has two opposite fixed body joints formed by joint spaces in one of cover surfaces, where joint spaces permeate body of metallic block parallel to longitudinal extension of groove
06/24/2010DE102008062849A1 Rotary encoder device for use in e.g. position determining system, for e.g. monitoring conveyor belt, has piezo element is provided with disk, such that element exerts mechanical force on disk during rotation of shaft, to deform disk
06/23/2010CN101753057A Traveling wave ultrasonic motor assembling device
06/23/2010CN101753056A Piezoelectric motor
06/23/2010CN101430823B Piezoelectric vibrator remote controller
06/23/2010CN101325242B Method for preparing bounce type actuating minisize motor
06/17/2010WO2010067774A1 Ultrasonic motor
06/17/2010WO2010067620A1 Piezoelectric power generator
06/17/2010US20100150754 Piezoelectric pump
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