| Patents for H02N 2 - Electric machines in general using piezo-electric effect, electrostriction or magnetostriction (14,251) |
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| 04/11/2001 | CN1291373A Piexoelectric actuator, time piece and portable device |
| 04/10/2001 | US6215230 Alternately stacked piezoelectric actuator in which each electrode layer leaves an alternately L-shaped stripe of piezoelectric material uncovered |
| 04/10/2001 | US6215224 Control device for vibration type actuator |
| 04/10/2001 | US6215223 Driving circuit of a motor |
| 04/05/2001 | WO2001024288A2 Adjusting unit for controlling a regulating and/or shut-off device |
| 04/05/2001 | WO2001024287A2 Internal electrodes for a stacked piezoactuator and method for producing the same |
| 04/05/2001 | WO2001024286A1 Piezo-electric actuator |
| 04/05/2001 | WO2001023746A1 Valve for controlling liquids |
| 04/05/2001 | WO2001023745A1 Valve for controlling liquids |
| 04/05/2001 | WO2001023741A1 Valve for controlling fluids |
| 04/05/2001 | WO2001023736A1 Method for initialising an electro-mechanical converter |
| 04/05/2001 | WO2000045444A8 Drive device |
| 04/05/2001 | DE19945670A1 Verfahren zum Ansteuern eines kapazitiven Stellgliedes eines Kraftstoffeinspritzventils einer Brennkraftmaschine A method of driving a capacitive actuator of a fuel injection valve of an internal combustion engine |
| 04/05/2001 | DE19945042A1 Piezoelektrischer Antrieb, insbesondere piezoelektrischer Motor zur Erzeugung kontinuierlicher oder schrittweiser Bewegungen, Friktionselement für einen solchen piezoelektrischen Antrieb zum Übertragen von Kräften zwischen Ständer und Läufer sowie Schaltungsanordnung zum Betreiben eines piezoelektrischen Antriebs The piezoelectric actuator, in particular piezoelectric motor for generating continuous or stepwise movements, friction for such a piezoelectric actuator for transmitting forces between the stator and rotor and circuit arrangement for operating a piezoelectric drive |
| 04/05/2001 | DE19944734A1 Verfahren und Vorrichtung zum Laden wenigstens eines kapazitiven Stellgliedes Method and apparatus for charging at least one capacitive actuator |
| 04/05/2001 | DE19940055C1 Dosierventil Metering valve |
| 04/04/2001 | EP1089358A2 Piezoelectric/electrostrictive device and method of manufacturing same |
| 04/04/2001 | EP1089357A2 Piezoelectric/electrostrictive device and method of manufacturing same |
| 04/04/2001 | EP1089356A2 Piezoelectric/electrostrictive device and method of manufacturing same |
| 04/04/2001 | EP1089354A2 Piezoelectric/electrostrictive device |
| 04/04/2001 | EP1089352A2 Piezoelectric/electrostrictive device and method of manufacturing same |
| 04/04/2001 | EP1089351A2 Piezoelectric/electrostrictive device |
| 04/04/2001 | EP1089350A2 Piezoelectric/electrostrictive device |
| 04/04/2001 | EP1089349A2 Piezoelectric/electrostrictive device and method of manufacturing same |
| 04/03/2001 | US6212053 Device and method for driving at least one capacitive actuator |
| 04/03/2001 | US6211607 Actuator using electro-mechanical transducer |
| 04/03/2001 | US6211605 Piezoelectric step motor |
| 04/03/2001 | US6211604 Method for assembling ultrasonic motor |
| 04/03/2001 | US6211603 Ultrasonic motor and electronic apparatus with ultrasonic motor |
| 03/29/2001 | WO2001022502A1 Device for controlling at least one capacitive actuator |
| 03/29/2001 | WO2001022468A1 High bandwidth recoiless microactuator |
| 03/29/2001 | DE19944733A1 Vorrichtung zum Ansteuern wenigstens eines kapazitiven Stellgliedes An apparatus for driving at least one capacitive actuator |
| 03/29/2001 | DE19944249A1 Verfahren und Vorrichtung zum Ansteuern wenigstens eines kapazitiven Stellgliedes Method and apparatus for controlling at least one capacitive actuator |
| 03/29/2001 | DE19939523A1 Ventil zum Steuern von Flüssigkeiten Valve for controlling fluids |
| 03/29/2001 | DE10038522A1 Piezo-electrically actuated micro-valve e.g. for pneumatic and fluid systems for control of gas- and liquid-flows, uses speed transforming gear designed as H-shaped molded part |
| 03/29/2001 | CA2385080A1 Device for driving at least one capacitive actuator |
| 03/28/2001 | EP1087514A2 Linear motion mechanism using rotary ultrasonic motor |
| 03/28/2001 | EP1087120A2 Method for controlling a capacitive actuator of a fuel injection valve in an engine |
| 03/28/2001 | EP1086499A1 Drive device |
| 03/28/2001 | EP1086311A1 Tubular ultrasonic transducer |
| 03/28/2001 | CN1289458A 压电驱动装置 Piezoelectric drive means |
| 03/27/2001 | US6208065 Piezoelectric transducer and actuator using said piezoelectric transducer |
| 03/27/2001 | US6208044 Removable media ejection system |
| 03/27/2001 | US6208026 External electrode for a monolithic multi-layer actuator |
| 03/27/2001 | CA2181598C Packaged strain actuator |
| 03/22/2001 | WO2001020760A1 Piezoelectric power generator |
| 03/22/2001 | DE19945934C1 Electroceramic component external contact manufacturing method uses 2-stage screen printing process for application of metallisation paste layers with optimum adhesion and good soldering characteristics |
| 03/22/2001 | DE19941044A1 Piezoelektrischer Keramikkörper Piezoelectric ceramic body |
| 03/22/2001 | DE19940054A1 Dosierventil Metering valve |
| 03/22/2001 | DE10039641A1 Piezoelectric body polarization processing method in manufacture of ceramics filter, oscillator, involves applying DC voltage to piezoelectric body held in atmospheric air at temperature as high as aging temperature |
| 03/21/2001 | EP1085190A2 Method and device for charging at least a capacitive actuator |
| 03/20/2001 | US6204811 Piezoelectrical mechanical actuators for use with small actuator distances and arrays |
| 03/20/2001 | US6204592 Ultrasonic nailing and drilling apparatus |
| 03/20/2001 | US6204590 Vibration motors |
| 03/15/2001 | DE19936713A1 Piezokeramischer Aktor sowie Verfahren zu seiner Herstellung Piezoceramic actuator, and methods for its preparation |
| 03/14/2001 | EP1082567A1 Piezoelectric actuator |
| 03/14/2001 | CN1287405A Piezoelectric driving device |
| 03/13/2001 | US6201340 Actuator |
| 03/13/2001 | US6201339 Piezoelectric actuator |
| 03/13/2001 | US6201338 Ultrasonic motor |
| 03/13/2001 | US6201336 DC bias scheme for field induced piezoelectric power generators |
| 03/08/2001 | WO2001017038A1 Piezoceramic multi-layer structure with regular polygon cross-sectional area |
| 03/08/2001 | DE19960971A1 Piezoactuator e.g. for fuel injector in IC engine, is connected mechanically in series with sensor with stack of interacting piezo elements that produces signal proportional to mechanical displacement |
| 03/08/2001 | DE19942269A1 Piezoelektrische Antriebsvorrichtung Piezoelectric drive unit |
| 03/08/2001 | DE19941262A1 Electrohydraulic actuator has metal or plastic actuator housing, folding bellows whose spring effect under adjustment cylinder action is used for bias adjustments |
| 03/08/2001 | DE19938954A1 Piezoelektrischer Antrieb, insbesondere zur Erzeugung von Rotations- oder Translationsbewegungen, die stetig oder schrittweise erfolgen können A piezoelectric drive, in particular for the production of rotational or translational movement, which can take place continuously or incrementally |
| 03/07/2001 | EP1081772A2 Piezoelectric driving device |
| 03/07/2001 | EP1080504A1 Piezoelectric actuator |
| 03/07/2001 | EP1080502A1 Circuit for the dynamic control of ceramic solid-state actuators |
| 03/07/2001 | EP1080323A1 Electrically controllable valve |
| 03/07/2001 | CN1062992C Piezo-electric supersonic micro-motor based on flexural vibration mode |
| 03/06/2001 | US6198206 Inertial/audio unit and construction |
| 03/06/2001 | US6198202 Vibration actuator |
| 03/06/2001 | US6198199 Method for diagnosing a short circuit at a capacitive actuator |
| 03/01/2001 | WO2001015308A1 Push-pull high force piezoelectric linear motor |
| 03/01/2001 | WO2001014732A1 Valve for controlling liquids |
| 03/01/2001 | DE19940346A1 Piezoelectric module connection device e.g. for controlling the fuel injectors of a combustion engine |
| 03/01/2001 | DE19935570A1 Mikromanipulator Micromanipulator |
| 02/28/2001 | EP1079447A2 Piezo-electric/electrostrictive element driving circuit |
| 02/28/2001 | EP1079099A2 Metering valve |
| 02/28/2001 | EP1079098A2 Metering valve |
| 02/28/2001 | EP1079097A2 Actuator housing |
| 02/27/2001 | US6194815 Piezoelectric rotary electrical energy generator |
| 02/27/2001 | US6194811 Drive apparatus |
| 02/22/2001 | WO2001013505A1 Piezoelectric drive excited by longitudinal and flexural waves |
| 02/22/2001 | WO2001013440A1 Method for producing piezo actuators with a multiple-layer structure of piezo layers |
| 02/22/2001 | WO2000051110A8 Vibration control of piezoelectric microactuator |
| 02/22/2001 | DE19938457A1 Piezoaktor und ein Verfahren zu dessen Herstellung Piezoelectric actuator and a method for its preparation |
| 02/22/2001 | DE19820514C2 Translatorischer rotatorischer Multi-Aktuator-Motor Translational rotational multi-actuator motor |
| 02/21/2001 | EP1076918A1 Piezo-electric actuator |
| 02/21/2001 | EP1076917A1 Piezoelectric actuator |
| 02/21/2001 | CN1284754A Method for polarized treatment of piezeelectrics |
| 02/20/2001 | US6191522 Piezoelectric actuator with low stress electrodes |
| 02/20/2001 | US6191520 Electro-mechanical energy conversion element and vibration type driving device |
| 02/15/2001 | WO2001011699A1 Electrode contact for a piezoceramic actuator and method for producing same |
| 02/15/2001 | DE19938456C1 Verfahren zur Herstellung von Piezoaktoren mit einem Mehrschichtaufbau von Piezoelementen Process for the preparation of piezoelectric actuators with a multilayer structure of piezoelectric elements |
| 02/15/2001 | DE19936732A1 Bar shaped element of changeable length with an integrated piezoelectric actuator comprises at least one additional piezoelectric actuator, two bars arranged in series and displacement amplifier |
| 02/15/2001 | DE19934605A1 Device, such as a rotating table, for rotational positioning of components has coarse and fine adjusters, of compact design, to enable a component to be moved quickly and accurately into position |
| 02/14/2001 | EP1076367A2 Piezo actuator comprising a stack of hollow bodies |
| 02/13/2001 | US6188530 Driving apparatus |