| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 10/01/2008 | CN101277076A Method and tool for manufacturing ultrasonic motor thermoplasticity composite material friction plate |
| 10/01/2008 | CN101277075A Core-aligning core-regulating mechanism for two freedom ball motor |
| 10/01/2008 | CN101274113A Ultrasonic motor driving roller pump |
| 09/30/2008 | US7429812 Drive unit |
| 09/30/2008 | US7429801 System and method for generating electric power from a rotating tire's mechanical energy |
| 09/25/2008 | WO2008114810A1 Method for deformation of polymer film or fiber, and polymer actuator |
| 09/25/2008 | US20080233277 Piezoelectric thin film, method of manufacturing piezoelectric thin film, piezoelectric element, and ink jet recording head |
| 09/25/2008 | US20080231970 Linear drive systems and methods thereof |
| 09/25/2008 | US20080231144 Universal power tool battery pack coupled to a portable internal combustion engine |
| 09/25/2008 | US20080229824 Angular rate sensor and electronic device |
| 09/25/2008 | DE102007042216A1 Piezo actuator module production method for internal combustion engine, involves clamping actuators between head and base, where actuators are provided with casing fastened by pressing of metal part by electromagnetic forming process |
| 09/25/2008 | DE102007013994A1 Aktoreinrichtung mit einem piezoelektrischen Aktor für ein Einspritzventil Actuator device with a piezoelectric actuator for an injection valve |
| 09/25/2008 | DE102007012925A1 Damping device for structural vibrations of carrier device, has piezoelectric actuator device, where surface of carrier device is connected with one of two end areas, to transfer lengthwise or transverse vibrations to carrier device |
| 09/25/2008 | DE102007012921A1 Kabeldurchführungen für ein Piezoaktormodul Cable entry for a piezoelectric actuator |
| 09/24/2008 | CN201122910Y High temperature type rotating travelling wave ultrasound electric motor |
| 09/24/2008 | CN101272109A Broad-band piezoelectricity oscillating generating set |
| 09/24/2008 | CN101272108A In-plane composite mode straight line ultrasound electric motor of square transducer |
| 09/24/2008 | CN101272107A In-plane buckling composite mode thin type straight line ultrasound electric motor |
| 09/24/2008 | CN101271258A Optical projection system and image smoothing apparatus thereof |
| 09/24/2008 | CN101269245A Ultrasonic motor drive diaphragm type blood pump |
| 09/24/2008 | CN100421154C Actuator using piezoelectric element and head-positioning mechanism using the actuator |
| 09/18/2008 | WO2008112583A1 Circuits for electroactive polymer generators |
| 09/18/2008 | US20080225378 Dielectric coatings for electrowetting applications |
| 09/18/2008 | US20080225089 Piezoelectric actuator, liquid ejection head, image forming apparatus, and method of manufacturing piezoelectric actuator |
| 09/18/2008 | US20080224568 Backscatter Sensor |
| 09/17/2008 | CN201118469Y An ultrasonic motor for driving automatic focus-adjusting lens module |
| 09/17/2008 | CN201118468Y Semiconductor refrigeration temperature control ultra-magnetic flexing micro-shift driver |
| 09/17/2008 | CN101267171A Electromagnetic voltage adjusting multi freedom degree spherical ultrasonic electromotor |
| 09/17/2008 | CN101267170A Dual-drive full arc curve ultrasonic electromotor |
| 09/17/2008 | CN101267169A Single driving foot circle arc curve ultrasonic electromotor |
| 09/17/2008 | CN101266392A Imaging device and optical device |
| 09/16/2008 | US7425770 Vibration wave motor |
| 09/11/2008 | US20080220882 Torque Converter |
| 09/11/2008 | US20080218968 Winged piezo fan |
| 09/11/2008 | US20080218029 Piezoceramic multilayer actuator and method of manufacturing a piezoceramic multilayer actuator |
| 09/11/2008 | US20080218027 Circuit and Method for Controlling a Piezoelectric or Electrostrictive Actuator |
| 09/11/2008 | DE102007011314A1 Verfahren zur Herstellung einer Schutzummantelung für einen Piezoaktor sowie Schutzummantelung für einen Piezoaktor A method for producing a protective coating for a piezoelectric actuator, as well as protective coating for a piezoelectric actuator |
| 09/11/2008 | DE102006036567B4 Verfahren zum Bestimmen eines Funktionszustandes eines Piezoinjektors einer Brennkraftmaschine A method for determining a functional state of a piezoelectric injector of an internal combustion engine |
| 09/10/2008 | CN201113830Y Ultrasonic electric motor adopting outer supporting structure stator drive |
| 09/10/2008 | CN201113829Y Double phase opposed giant magnetostriction driver |
| 09/10/2008 | CN101262959A Piezoelectric actuator, acoustic element, and electronic device |
| 09/10/2008 | CN101262189A Piezoelectric generator for collecting bending vibration energy |
| 09/10/2008 | CN101262188A Vertical vibration sandwich energy converter cylinder stator and ultrasonic electromotor using this stator |
| 09/10/2008 | CN101262187A Bending vibration sandwich energy converter cylinder stator and ultrasonic electromotor using this stator |
| 09/10/2008 | CN101262186A Vertical bending layer energy converter cylinder stator and ultrasonic electromotor using this stator |
| 09/10/2008 | CN101262185A Bending layer energy converter round disk stator and ultrasonic electromotor using this stator |
| 09/10/2008 | CN101262184A Vertical bending layer energy converter round disk stator and ultrasonic electromotor using this stator |
| 09/10/2008 | CN101262183A Vertical vibration layer energy converter round disk stator and ultrasonic electromotor using this stator |
| 09/10/2008 | CN101262182A Compound vibrator line ultrasonic electromotor |
| 09/10/2008 | CN101262181A Driving device |
| 09/10/2008 | CN101259465A Bending mode conversion type ultrasound wave torsional vibration energy converter |
| 09/10/2008 | CN100417458C Piezoelectric vibrator, production method therefor, and equipment provided with this piezoelectric vibrator |
| 09/09/2008 | US7423364 Sealed mover assembly |
| 09/04/2008 | WO2008105382A1 Laminated piezoelectric element |
| 09/04/2008 | US20080212415 Piezoelectric drive device and electronic device |
| 09/04/2008 | US20080211351 Micromotion mechanism having ultrasonic motor and oscillation element holding mechanism |
| 09/04/2008 | US20080211349 Stage Mechanism, Electron Microscope Having the Stage Mechanism and Method of Controlling Positioning of Stage Mechanism |
| 09/04/2008 | US20080211348 Linear Ultrasound Motor |
| 09/04/2008 | US20080211346 Device for Operating a Piezo Actuator |
| 09/04/2008 | US20080210788 Lifting Apparatus and Injection Valve |
| 09/04/2008 | DE102007010239A1 Piezoelectric material comprising a metal containing material useful in piezoelectric building elements and in piezoelectric-multi layered actuators |
| 09/04/2008 | DE102007009874A1 Linear ultrasonic piezoelectric motor, comprises movable element that is in frictional contact with rectangular resonance plate and electrodes for generating acoustic vibrations |
| 09/04/2008 | DE102007008286A1 Device for controlling or for manipulating course of process of media or materials, has piston is controlled and movable in cylinder, where compressible medium goes through complete operating period |
| 09/03/2008 | EP1965448A2 Driving apparatus |
| 09/03/2008 | EP1964161A2 Piezoelectric and semiconducting coupled nanogenerators |
| 09/03/2008 | CN201108066Y Shoes capable of charging small-sized electric appliance |
| 09/03/2008 | CN101258620A Epitaxial oxide film, piezoelectric film, piezoelectric film element, and liquid delivery head and liquid delivery apparatus using piezoelectric element |
| 09/03/2008 | CN101257266A Silicon based piezoelectricity cantilever beam minitype electric generating apparatus |
| 09/03/2008 | CN101257265A Piezoelectric drive device and electronic device |
| 09/03/2008 | CN101257264A Driving device and imaging device |
| 09/03/2008 | CN101256258A Driving apparatus and imaging device |
| 09/03/2008 | CN101256203A Electric energy consumption meter with power line switch |
| 09/02/2008 | US7420316 Actuator unit for a piezo-controlled fuel injection valve |
| 08/28/2008 | WO2008102553A1 Drive device |
| 08/28/2008 | US20080203823 Arrangement for Converting Mechanical Energy Into Electrical Energy |
| 08/28/2008 | DE202008008517U1 Energieautarkes Beleuchtungssystem für Rotorblattspitzen, Hubschrauber mit einem derartigen Beleuchtungssystem und Energiesammler dafür Energy self-sufficient lighting system for rotor blade tips helicopter with such a lighting system and energy collectors for |
| 08/28/2008 | DE102007011652A1 Electrical contacting arrangement for piezoelectric multilayer actuator, has lead-like shaped part including lateral cross-beams having reciprocal breaking points in such manner that meander sections are formed |
| 08/28/2008 | DE102007008618A1 Piezoaktormodul mit einer Kabeldurchführung Piezoelectric actuator with a cable entry |
| 08/28/2008 | DE102007008567A1 Servo unit has piezoelectric actuator and amplifier hub arrangement, where diaphragm partially limits pressure chamber, and is subjected to control pressure on far rear side of pressure chamber |
| 08/28/2008 | DE102007008505A1 Verfahren zum Betreiben eines piezoelektrischen Wandlers und Wandlervorrichtung A method of operating a piezoelectric transducer and converter means |
| 08/27/2008 | CN201107450Y Camera lens drive apparatus |
| 08/27/2008 | CN101253638A Layered piezoelectric element and injection device using the same |
| 08/27/2008 | CN101252330A Apparatus and method for stacking precision positioning with piezoelectricity |
| 08/27/2008 | CN101251706A Optical die set, camera and mobile terminal equipment |
| 08/27/2008 | CN100414830C Load adjustable surface acoustic wave actuator |
| 08/27/2008 | CN100414829C Microdriver and microdriving method based on magnet-magnet converting nanometer precision big output capacity |
| 08/27/2008 | CN100414808C Piezoelectric energy trapping device capable of efficient trapping energy and energy-storaging |
| 08/26/2008 | US7417359 Small piezoelectric air pumps with unobstructed airflow |
| 08/26/2008 | US7415874 Method and system for generating electrical energy within a vehicle tyre |
| 08/21/2008 | WO2008099632A1 Multilayer piezoelectric element and driver |
| 08/21/2008 | WO2008099559A1 Vibration actuator |
| 08/21/2008 | WO2008099437A1 Bistable piezoelectric generator |
| 08/21/2008 | US20080197753 Longitudinal Pulse Wave Array |
| 08/21/2008 | DE102007008266A1 Piezoaktor und Verfahren zum Herstellen eines Piezoaktors Piezoelectric actuator and method of manufacturing a piezoelectric actuator |
| 08/20/2008 | EP1959511A1 A thread driven polyhedron ultrasonic motor |
| 08/20/2008 | CN101247096A Piezo-electricity energy harvester |
| 08/20/2008 | CN101247095A Driving apparatus |
| 08/20/2008 | CN101247094A Piezoelectric transducer, piezoelectric actuator, and portable device |
| 08/20/2008 | CN100413202C Ultra magnetostrictive high precision linear driver using piezozelectric effect clamping |
| 08/20/2008 | CN100413113C Piezoelectric body element, ink jet recording head and piezoelectric body element manufacturing method |