Patents
Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251)
03/2009
03/05/2009DE102007040509A1 Piezoaktormodul mit einer Umhüllung des Piezoaktors und ein Verfahren zu dessen Herstellung Piezo-actuator module with a coating of the piezoelectric actuator and a method for its preparation
03/05/2009DE102007040508A1 Piezoaktormodul und Piezoaktor mit einer medienbeständigen Schutzschicht und ein Verfahren zur Herstellung der Schutzschicht auf dem Piezoaktor Piezo-actuator module with a piezo actuator and media-resistant protective layer and a method for producing the protective layer on the piezoelectric actuator
03/05/2009DE102007040249A1 Piezo actuator manufacturing method for piezo injector, involves manufacturing piezo actuator by arrangement of external electrodes under simultaneous contact of inner electrodes on exposed contact areas
03/04/2009CN201204556Y Heat-sound generating set driven by residual heat of aluminum cell
03/04/2009CN201199991Y Automatic generating warm-keeping shoes
03/04/2009CN101379689A Piezoelectric drive device, imaging device, and mobile terminal device
03/04/2009CN100466450C Ultrasonic motor
03/04/2009CN100466319C Magnetostrictive actuator
03/04/2009CN100466317C An apparatus for moving folded-back arms having a pair of opposing surfaces in response to an electrical activation
03/04/2009CN100466316C Transducer array using multi-layered elements and the manufacturing method thereof
03/04/2009CN100466315C Tube spring used on an actuator, and the method for mounting the tube spring
03/03/2009US7498727 Multi-layer piezoelectric element and method for manufacturing the same
03/03/2009US7498719 Small piezoelectric or electrostrictive linear motor
02/2009
02/26/2009WO2009025270A1 Aligning apparatus and aligning method
02/26/2009US20090051249 Ultrasonic Motor
02/26/2009US20090051248 Longitudinally driven slotted cylinder transducer
02/26/2009US20090051247 Piezoelectric actuator drive device and dc/dc converter therefor
02/26/2009DE102008029534A1 Tire module for use in tire monitoring system for detecting e.g. tire pressure, of motor vehicle, has flexible element fastened to upper module part by bracket and deformed through mechanical interaction with lower module part
02/26/2009DE102007039347A1 Internal combustion engine's fuel injection valve operating method for motor vehicle, involves controlling actuator at each portion comprising control time such that constant temporal change of actuator voltage is assigned to each portion
02/25/2009EP2027614A1 Solid-state actuator drive apparatus
02/25/2009CN101373938A Piezoelectric generating unit structure
02/25/2009CN101373937A Ultrasound motor drive controller based on embedded system level chip
02/25/2009CN101373936A Drive device and image stabilizer
02/25/2009CN101373935A Piezoelectric generating set
02/25/2009CN101373934A Piezoelectric generating set
02/25/2009CN101372170A Pulse width control device and method
02/24/2009US7494594 Method of manufacturing an electrostatic actuator
02/19/2009WO2008156606A3 Thin film piezoelectric wave power generation system
02/19/2009US20090045699 Precise Positioning Apparatus
02/19/2009US20090045698 Piezoelectric powered vehicles and motors
02/19/2009US20090045696 Piezoelectric element driving circuit and pump device
02/19/2009DE102007038985A1 Internal combustion engine's injection valve i.e. fuel injection valve, operating method for motor vehicle, involves providing reference value for voltage swing based on control difference between set value and actual value for closing time
02/19/2009DE102007037991A1 Method for controlling piezoelectric drive, involves propelling moving element of drive, where moving element is propelled relative to drive components by motion of driving body
02/18/2009CN201197121Y Piezoelectric ceramic driving circuit
02/18/2009CN101371430A Piezoelectric motor to be used as a vehicle drive system, actuator, and similar
02/18/2009CN101369786A Marching type nano linear electric motor
02/18/2009CN101369757A Induction type ultrasound electric principal shaft
02/12/2009US20090039738 High frequency ultrasound transducers based on ceramic films
02/12/2009US20090039736 Ultrasonic actuator and method for manufacturing piezoelectric deformation portion used in the same
02/12/2009US20090039735 Electro-mechanical energy converter and vibration wave driving
02/12/2009US20090039734 Piezoelectric motor and camera device
02/12/2009US20090039733 Piezoelectric Generator System that Includes an Energy Storage
02/12/2009US20090038590 Charge control unit and charge control system for fuel injection valve
02/12/2009DE102007037866A1 Piezoelectric actuator for injector of fuel injection system, has external electrode connection connected with part of electrode layers and completely sealed with sealing unit, which fills hollow spaces in external electrode connection
02/12/2009DE102007037554A1 Piezoelektrischer Aktor Piezoelectric actuator
02/12/2009DE102007037553A1 Piezoelektrisches Aktormodul A piezoelectric actuator module
02/12/2009DE102007037552A1 Piezoelectric actuator, particularly actuator for fuel injection valve, has actuator body, which has multiple ceramic layers and multiple electrode layers arranged between those ceramic layers
02/12/2009DE102007037551A1 Piezoelektrisches Aktormodul A piezoelectric actuator module
02/12/2009DE102007037550A1 Piezo-electric actuator module for fuel injection valve of air compressed, automatic ignition internal combustion engine, has outer layer for coating actuator body and transition pieces, where layer is made of molded thermosetting material
02/11/2009EP2023660A1 Hybrid actuator, loudspeaker and sound output method
02/11/2009CN101364775A Flat dual-stator thread driving ultrasonic minimized motor having thread pair pretensioning
02/11/2009CN100461609C Hollow metal square column piezoelectric element composite ultrasonic micromotor
02/10/2009US7489066 Biometric sensing device with isolated piezo ceramic elements
02/05/2009WO2009017853A2 Reliability improvement for piezoelectric imaging array device
02/05/2009WO2009017077A1 Driving method of lens actuator
02/05/2009US20090036911 Ultrasonic surgical instrument with modulator
02/05/2009US20090033722 Piezoelectric actuation mechanism
02/05/2009US20090033448 Device Having a Shape Memory Element
02/05/2009US20090033176 System and method for long term power in well applications
02/05/2009DE102007038280A1 Actuator, for the deposition of nano sized materials, has a nano tube with a reservoir and electrodes at the tube and/or reservoir
02/05/2009CA2684788A1 Reliability improvement for piezoelectric imaging array device
02/04/2009EP2020077A2 Positioning motor and apparatus
02/04/2009CN101361258A 振动致动器 Vibration actuator
02/04/2009CN101361204A Resonant actuator
02/04/2009CN101359882A Piezoelectric vibration energy collecting apparatus with resonance frequency adjustable
02/04/2009CN100459403C Standing wave frequency change step ultrasonic motor
02/03/2009US7486004 Piezolelectric devices
02/03/2009US7486002 Lateral piezoelectric driven highly tunable micro-electromechanical system (MEMS) inductor
02/03/2009US7485978 Compliant walled combustion devices for producing mechanical and electrical energy
01/2009
01/29/2009WO2009014148A1 Piezoelectric element driving apparatus and coating apparatus
01/29/2009US20090027167 Energy self-sufficient radiofrequency transmitter
01/29/2009US20090026888 Actuating an optical fiber with a piezoelectric actuator and detecting voltages generated by the piezoelectric actuator
01/29/2009US20090026887 Piezoelectric device, piezoelectric actuator, and liquid discharge device
01/29/2009US20090026886 Drive Apparatus
01/29/2009US20090026885 Actuating device, fabricating method thereof, and module variation control device using the actuating device
01/29/2009US20090026884 Utrasonic actuator
01/29/2009US20090026880 Micromechanical device with piezoelectric and electrostatic actuation and method therefor
01/29/2009DE102007035346A1 Positioniersystem für einen Mikrostelltisch Positioning for a Translation Stage
01/29/2009DE102006039522B4 Verfahren zur Leerhubsteuerung einer Kraftstoffeinspritzvorrichtung Method for Leerhubsteuerung a fuel injector
01/28/2009EP2019439A2 Position detecting device capable of improving detection accuracy
01/28/2009EP2018347A1 Piezoelectric micro-system for the active vibratory insulation of vibration sensitive components
01/28/2009EP1232669B1 Electromechanic film and acoustic element
01/28/2009CN201188587Y Piezoelectric motor for implementing spherical motion and spherical motion system
01/28/2009CN201188142Y Optical system driven by piezo-electric motor for focusing
01/28/2009CN101355326A Piezoelectric actuator
01/28/2009CN101355325A Actuating device, fabricating method thereof, and module displacement control device using the actuating device
01/28/2009CN101354470A Drive apparatus and position detecting device used by drive apparatus
01/28/2009CN100456072C Driving mechanism
01/27/2009US7482730 High performance MEMS scanner
01/22/2009US20090021884 Movable device
01/22/2009US20090021118 Driving apparatus
01/22/2009US20090021117 Vibration detecting sensor and pressure sensitive switch using cable-shaped piezoelectric element
01/22/2009US20090021114 Piezoelectric Element and Ultrasonic Actuator
01/22/2009US20090021113 Actuator
01/22/2009US20090021111 Micromotion mechanism and microscope apparatus having micromotion mechanism
01/22/2009US20090021110 Method and apparatus for driving a piezoelectric actuator
01/22/2009DE102007033033A1 Aktoreinheit für ein Einspritzsystem einer Brennkraftmaschine Actuator unit for an injection system of an internal combustion engine
01/21/2009EP2017905A2 Actuator
01/21/2009EP2017903A2 Micromotion mechanism and microscope apparatus having micromotion mechanism
01/21/2009CN101351954A Vibration actuator
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