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Class 310/330 - Bending type


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter wherein the mechanical stresses applied to
No. of applications: 75
Last issue date: 05/03/2012


1    
Application No.Application TitleIssue Date
20120104901PIEZO BASED INERTIA ACTUATOR FOR HIGH DEFINITION HAPTIC FEEDBACK
A haptic device includes an elongated piezo bender supported by a first holder and a second holder. The first holder and the second holder being spaced apart from each other and located at or near opposite ends of the elongated piezo bender. A mass is supported by the e...
05/03/2012
20120049095POLYMER ACTUATOR AND VALVE USING THE SAME
The object is to provide a polymer actuator capable of securing high sealability in spite of a simple interior structure, controlling opening and closing of the fluid passage or flow rate while increasing the amount of displacement at a small amount of applied voltage, ...
03/01/2012
20120043857ACTUATOR AND METHOD FOR DRIVING ACTUATOR
The purpose of the present invention is to provide a method for driving an actuator in which unnecessary deformation is suppressed.

The present invention provides a method for driving an actuator, comprising the following steps (a) and (b):...

02/23/2012
20120043856Piezoelectric Power Generator
A piezoelectric power generator having a first elastic body which deforms along a first direction when subject to a stress, and a power-generating element. The power-generating element includes a second elastic body and a piezoelectric element. The second elastic body i...
02/23/2012
20120043485PIEZOELECTRIC DRIVE AND MICROVALVE COMPRISING SAID DRIVE
The invention relates to a piezoelectric drive, in particular for microvalves. The drive comprises a deformation layer coupled on one side to a piezoelectric layer, which is provided with at least one pair of electrodes, made of two electrodes of opposite polarities, to...
02/23/2012
20120032559ACTUATOR AND ACTUATOR STRUCTURE
An actuator includes a first bending portion having a first electrode layer, a first electrolyte layer on a first surface of the first electrode layer, and a second electrode layer in contact with the first electrolyte layer; and a second bending portion having the firs...
02/09/2012
20120025671ELECTROCHEMICAL METHODS, DEVICES, AND STRUCTURES
The present invention provides devices and structures and methods of use thereof in electrochemical actuation. This invention provides electrochemical actuators, which are based, inter-alia, on an electric field-driven intercalation or alloying of high-modulus inorganic...
02/02/2012
20120001520ACTUATOR DEVICE AND INPUT APPARATUS
An actuator device includes an actuator having one end as a fixed end and the other end as a free end, and bendable when a voltage is applied; and a base member having a fixed section that fixes the fixed end of the actuator. A projecting section is provided at the base...
01/05/2012
20110309721Small Scale Smart Material Actuator and Energy Harvesting Apparatus
A micro-scale, smart material actuator having an overall length smaller than 10 mm comprising a multilayer piezoelectric stack housed in a mechanical amplifier made up of a fixed supporting member, a movable supporting member connected to compliant links attached to one...
12/22/2011
20110204750ACTUATOR, ACTUATOR STRUCTURE AND METHOD OF MANUFACTURING ACTUATOR
An actuator includes: a diaphragm having a thickness equal to or greater than 0.5 μm and equal to or less than 20 μm; a piezoelectric body layer which is provided on a first surface side of the diaphragm, and receives stress from the diaphragm; a pair of electrodes wh...
08/25/2011
20110168929Temperature-compensated piezoelectric flexural transducer
It is introduced a miniaturizable actuation device based on piezoelectric flexural transducer element, which can be fabricated easily and cost effective, for use in a fluid valve or other devices, the actuation device being suited to perform reproducible actuation defle...
07/14/2011
20110156537ACTUATOR ELEMENT, METHOD OF DRIVING ACTUATOR ELEMENT, METHOD OF MANUFACTURING ACTUATOR ELEMENT, DEVICE INSPECTION METHOD AND MEMS SWITCH
An actuator element includes: a piezoelectric body; a pair of electrodes mutually opposing to each other via the piezoelectric body; a diaphragm to which the piezoelectric body sandwiched between the pair of electrodes is bonded; and a base substrate arranged to oppose ...
06/30/2011
20110148255PIEZOELECTRIC MEMS SWITCH AND METHOD OF MANUFACTURING PIEZOELECTRIC MEMS SWITCH
A piezoelectric MEMS switch includes: a base substrate; a diaphragm arranged to oppose the base substrate via a gap; a first piezoelectric drive section constituted by layering a first lower electrode, a first piezoelectric body and a first upper electrode on a first su...
06/23/2011
20110088438LOW-POWER-CONSUMPTION ACTUATOR FOR BATTERY-POWERED ELECTRONIC LOCK
A low-power-consumption actuator for battery-powered electronic lock includes assembled first and second cases, the second case being provided at a top with a through bore; a piezoceramic/steel sheet assembly consisting of superposed first and second piezoceramic/steel ...
04/21/2011
20110084572Piezoelectric damping device
The piezoelectric damping device is a passive piezoelectric vibration suppression and damping device for reducing amplitude of vibration in structures. The piezoelectric damping device includes a magnetic layer having opposed inner and outer faces, with the inner face t...
04/14/2011
20110074248PIEZOELECTRIC MEMS ELEMENT, VOLTAGE CONTROL OSCILLATOR, COMMUNICATION APPARATUS, AND METHOD OF MANUFACTURING PIEZOELECTRIC DRIVE TYPE MEMS ELEMENT
A piezoelectric drive type MEMS element includes: a first substrate including, in a portion thereof, a movable part which is driven by a piezoelectric drive section to be displaced in a convex shape, a movable electrode being provided on a surface of the movable part; a...
03/31/2011
20100331826APPARATUS FOR INFUSING LIQUID TO A BODY
An infusion device having a housing with a reusable control portion and an expendable reservoir portion includes a precise drive for an infusion pump. The drive includes a piezoelectric bender assembly, a limiter and at least one contact stop. The piezoelectric bender a...
12/30/2010
20100328242PIEZOELECTRIC ASSEMBLY
A piezoelectric assembly and portable electronic device having a piezoelectric assembly are described. The piezoelectric assembly comprises a first electrode for electrical communication to a current or voltage source, a second electrode for electrical communication to ...
12/30/2010
20100320871PIEZOELECTRIC THIN FILM ELEMENT AND MANUFACTURING METHOD OF THE PIEZOELECTRIC THIN FILM ELEMENT, PIEZOELECTRIC THIN FILM DEVICE
To provide a piezoelectric thin film element capable of improving piezoelectric characteristics and realize a piezoelectric thin film device with high performance and high reliability, comprising: a substrate; and a piezoelectric thin film formed on the substrate by a s...
12/23/2010
20100313983POLYMER ACTUATOR, AND VALVE AND SHAFT-SEALING STRUCTURE EACH USING THE SAME
The object is to provide a polymer actuator capable of being utilized for any of various drive sources, wherein the amount of deformation of the polymer actuator can particularly be used also for a valve or shaft-sealing device. The polymer actuator comprises a power dr...
12/16/2010
20100253750LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS, AND ACTUATOR
A liquid-ejecting head includes a flow-passage-forming substrate that includes a pressure-generating chamber, the pressure-generating chamber being in communication with a nozzle through which droplets are ejected, and a piezoelectric element disposed on the flow-passag...
10/07/2010
20100245487Liquid Ejecting Head, Liquid Ejecting Apparatus, and Actuator
A liquid ejecting head is equipped with a piezoelectric element. The piezoelectric element has a piezoelectric layer containing titanium (Ti) and, zirconium (Zr) and first and second electrodes provided on both faces of the piezoelectric layer. The composition ratio of ...
09/30/2010
20100237745Piezoelectric Thin Film Device
A sensor or actuator includes a piezoelectric thin film device including a lower electrode, a piezoelectric thin film and an upper electrode, and a voltage detecting device connected between the lower and upper electrodes of the piezoelectric thin film device. The piezo...
09/23/2010
20100237744Actuator on the basis of geometrically anisotropic nanoparticles
In an actuator including at least one active electrode disposed in an electrolyte and comprising at least two webs of an electrically conductive material with a plurality of geometrically anisotropic nanoparticles disposed thereon and oriented uni-directionally in a pre...
09/23/2010
20100229833REVERSE OPERATING NONLINEAR SPRING
The present invention provides an apparatus for enabling operation of a piezoelectric actuator, comprising a spring configured to provide a compressive force to a piezoelectric element of a piezoelectric actuator, wherein the compressive force varies with displacement o...
09/16/2010
20100196177VIBRATING DEVICE AND PIEZOELECTRIC PUMP
A piezoelectric pump includes a piezoelectric element, an intermediate plate, and a vibrating plate. The piezoelectric element has a substantially flat plate shape. The intermediate plate is bonded to a principal surface of the piezoelectric element and applies a residu...
08/05/2010
20100176690VIBRATORY ACTUATOR AND DRIVE DEVICE USING THE SAME
A vibratory actuator is provided in which a movable body can be stably driven even when a groove is formed in an abutment body by the friction between the driver element and the abutment body. An ultrasonic actuator (2) includes an actuator body (4) which ...
07/15/2010
20100171393BISTABLE ELECTROACTIVE POLYMERS
A bistable electroactive polymer transducer is provided for electrically actuated deformation of rigid electroactive polymer members. The polymers have glass transition temperatures (Tg) above ambient conditions and turn into rubbery elastomers above Tg and have high di...
07/08/2010
20100164327Solid State Bending Actuator Comprising an Extension Element
A solid state actuator arrangement comprising an actuator which is configured as a solid state bending actuator and which has a first and a second end section opposite each other, a fastening device for fastening the first end section of the actuator in such a manner th...
07/01/2010
20100157000LIQUID EJECTION HEAD, LIQUID EJECTING APPARATUS, AND ACTUATOR
A liquid ejection head includes: a pressure generating chamber communicating with a nozzle hole; a vibrating film placed on one side of the pressure generating chamber; and a pressure generating element including a piezoelectric layer formed between a first and a second...
06/24/2010
20100135649ACTUATOR BODY AND THROTTLE MECHANISM
The object of the present invention is to provide an actuator body and a throttle mechanism that are small and have a simple structure. The present invention comprises a polymer actuator 11 that bends and deforms by an electric driving source, an intermediate ...
06/03/2010
20100133957PIEZO ACTUATOR WITH INCREASED DISPLACEMENT CAPACITY
The invention relates to a high-lifting capacity piezoelectric actuator (1) comprising an piezoelectric layer (10) and a second layer (20) whose material gradient is directed to the thickness. An electric field produces different extension degrees i...
06/03/2010
20100091073PIEZOELCTRIC ACTUATOR, METHOD OF MANUFACTURING SAME, AND LIQUID EJECTION HEAD
The piezoelectric actuator comprises: a supporting substrate; a thermal stress controlling layer which is formed on the supporting substrate; and a piezoelectric body which is formed as a film onto the thermal stress controlling layer on the supporting substrate at a hi...
04/15/2010
20100090565MICRO-ELECTRO-MECHANICAL DEVICE WITH A PIEZOELECTRIC ACTUATOR
A micro-electro-mechanical device including a substrate with a main surface, a piezoelectric actuator with a first side mechanically coupled to the substrate, an elastic member with a first end mechanically coupled to the substrate, and a transfer member mechanically co...
04/15/2010
20100068080WIRING STRUCTURE FOR USE IN MICRO PIEZOELECTRIC PUMP
An electrical connection structure for use in a micro piezoelectric pump is disclosed. The electrical connection structure includes a driving circuit board and a multilayered wiring structure. The electrical connection structure includes the driving circuit board, the w...
03/18/2010
20100019619Connected Energy Converter, Generator Provided Therewith and Method for the Manufacture Thereof
A high-output energy converter of an output-improving thermionic generator, thermally connected to other generators without moving parts that utilise the residual energy from the thermionic generator. The thermionic generator comprises a rαultilayered vacuum diode, the...
01/28/2010
20100007245Electroactive Polymer Actuators, Applications and Methods for Fabrication Thereof
In one embodiment, an actuator device includes a first electroactive polymer layer, including an active electroactive polymer layer portion. In one embodiment, the active electroactive polymer layer portion is controllably shiftable between a substantially neutral state...
01/14/2010
20100007246Bending transducer device for generating electrical energy from deformations and circuit module
A bending transducer device for generating electrical energy includes at least one elastically deformable support structure, one piezoelectric element, and a bearing device. The piezoelectric element is configured and situated on the support structure in such a way that...
01/14/2010
20090251027ELECTRICALLY CONDUCTIVE POLYMER ACTUATOR, METHOD FOR MANUFACTURING THE SAME, AND METHOD OF DRIVING THE SAME
Adhesive properties between an electrically conductive polymer membrane and a solid electrolyte membrane to each other are improved, and thus the operation of an electrically conductive polymer actuator which effects a bending motion is ensured.

10/08/2009

20090206702ACTUATOR
An actuator includes: a substrate; a fixed electrode provided on a major surface of the substrate; a first dielectric film provided on the fixed electrode, and made of crystalline material; a movable beam opposed to the major surface, and held above the substrate with a...
08/20/2009
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