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WO/2009/136513 |
Disclosed is an organic piezoelectric film characterized in that, when the organic piezoelectric film is produced, in the replacement of a filtering medium through which an organic piezoelectric material solution no longer can be filtere...
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WO/2009/135328 |
The invention relates to a traction/pressure actuator (20) comprising a stack (22) of elastic dielectrics (24) that are separated from each other by electrodes (25, 26) and are compressed when an electric current is applied, according to...
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WO/2009/136053 |
The invention relates to a control device comprising: - a first stage (1) for raising DC voltage (Vbatt) to generate an intermediate voltage (Vinter), - a second stage (2) which is a storage stage powered by the first stage (1) comprisin...
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WO/2009/134484 |
A ternary single crystal relaxor piezoelectric grown from a novel melt using the Vertical Bridgeman method and process for making a ternary single crystal relaxor piezoelectric. The ternary single crystals are characterized by a Curie te...
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WO/2009/132650 |
The invention provides a power actuated valve (1) comprising a transducer (2) and a housing (3) which forms an inlet (4) for entering fluid into the valve, an exit (5) for exit of the fluid from the valve, and a path (6) between the inle...
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WO/2009/132650 |
The invention provides a power actuated valve (1) comprising a transducer ' (2) and a housing (3)which forms an inlet (4) for entering fluid into the valve, an exit (5) for exit of the fluid from the valve, and a path (6)between the inle...
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WO/2009/133033 |
The invention relates to a rotational drive with a shaft (40), which is fixedly supported relative to a base element (10), comprising an annular engaging element (51) with an engaging disk (53) mounted therein, which has an engaging disk...
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WO/2009/132649 |
The invention provides an elastomer transducer for converting between electrical energy and mechanical energy. The transducer comprises a composite material with a body and a film (3), the body comprising at least an electrically conduct...
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WO/2009/132875 |
The invention relates to a piezoelectric drive device (10) for adjusting a movable part (11), particularly in a motor vehicle, and to a method for operating the same, having at least one piezoactuator (18), which can be adjusted along a...
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WO/2009/133194 |
The invention relates to a ceramic binary material and to a method for the production thereof. The material has piezo-electric properties and a composition of the formula (1-X) (Bi0-5Na0.5TiO3)X(K0-5Na0.5NbO3) with 0 < x ≤ 0.15. The in...
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WO/2009/134484 |
A ternary single crystal relaxor piezoelectric grown from a novel melt using the Vertical Bridgeman method and process for making a ternary single crystal relaxor piezoelectric. The ternary single crystals are characterized by a Curie te...
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WO/2009/133043 |
The invention relates to a solid-state actuator drive circuit comprising at least a first and second actuator (CA, CA*) designed as a solid-state actuator, which are arranged at a drive body (20) in order to put a shaft (21) in rotationa...
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WO/2009/132650 |
The invention provides a power actuated valve (1) comprising a transducer ' (2) and a housing (3)which forms an inlet (4) for entering fluid into the valve, an exit (5) for exit of the fluid from the valve, and a path (6)between the inle...
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WO/2009/132653 |
The invention provides an elastomer transducer for converting between electrical energy and mechanical energy. The transducer comprises a composite material with a body (2, 4) and a film (3) of an elastomer material, the body comprising ...
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WO/2009/133333 |
A concept is disclosed and embodied in two exemplar devices capable of transforming kinetic energy in the form of vibrational and other impacts into electrical energy from a combination of piezo active materials and electro magnetic fiel...
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WO/2009/133194 |
The invention relates to a ceramic binary material and to a method for the production thereof. The material has piezo-electric properties and a composition of the formula (1-X) (Bi0-5Na0.5TiO3)X(K0-5Na0.5NbO3) with 0 < x ≤ 0.15. The in...
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WO/2009/133655 |
Provided is an elastic boundary wave device having a three-medium structure, in which an undesired transverse mode ripple can be suppressed. The elastic boundary wave device is provided with a piezoelectric substrate formed of a LiTaO3 s...
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WO/2009/132652 |
The invention provides a valve with an orifice (6) and a power actuated valve structure (7) for varying a flow area of the orifice. The valve structure provides two way communication so that the orifice may be changed by application of a...
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WO/2009/134484 |
A ternary single crystal relaxor piezoelectric grown from a novel melt using the Vertical Bridgeman method and process for making a ternary single crystal relaxor piezoelectric. The ternary single crystals are characterized by a Curie te...
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WO/2009/130407 |
The invention relates to a circuit (20) for supplying power to a piezoelectric pump (10) from the electric network (25). According to the invention, the circuit (20) supplies power to the pump (10) directly at the frequency of the electr...
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WO/2009/130096 |
The invention relates to an activation method, wherein a predetermined idle stroke (h0) is set between an actuator base plate (7) and an actuating element (3), depending on a predetermined initial position of the actuator base plate befo...
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WO/2009/131636 |
There is disclosed stereolithographic manufacture of more complex components including at least one active material without the need for fabrication. Fabrication can introduce component discontinuities that hinder performance of the fina...
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WO/2009/130407 |
The invention relates to a circuit (20) for supplying power to a piezoelectric pump (10) from the electric network (25). According to the invention, the circuit (20) supplies power to the pump (10) directly at the frequency of the electr...
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WO/2009/131000 |
A stacked piezoelectric element is configured as follows. First and second internal electrode regions (11, 12) provided with power feeding lead-out portions (111, 121) are provided in each of plural piezoelectric bodies (10) while separa...
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WO/2009/130863 |
Provided is a multilayer piezoelectric actuator which hardly causes separation in a part of an external electrode due to a stress, and is not easily damaged due to the progress of cracks even if the separation is caused and is excellent ...
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WO/2009/128196 |
Disclosed is a laminated piezoelectric ceramic element fabrication method wherein the lamination step and the cutting step can be simplified, the cutting precision can be increased, and the cutting allowance can be minimized, even when t...
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WO/2009/128546 |
Provided is a method for testing a piezoelectric/electrostrictive actuator, by which the displacement of a piezoelectric/electrostrictive actuator is estimated, on the basis of the relations between one or more frequency characteristic v...
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WO/2009/128041 |
A wake-up unit for waking up an electronic device is provided. The wake-up unit comprises a resonating unit (C) for resonating at least one specific frequency, at least one first electrode (TE), at least one piezoelectric material (PM) a...
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WO/2009/127760 |
The invention relates to a rotary generator intended for the production of hydrogen. The generator essentially comprises two main elements, in addition to auxiliary mechanical elements, namely a rotor and a stator. The piezoelectric cell...
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WO/2009/127577 |
According to the invention, the movement of an actuator (201) affected by hysteresis is linearized with the aid of an analogue control loop (200), by using a reference actuator (202) and a controller (203). The reference actuator is meas...
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WO/2009/127760 |
The invention relates to a rotary generator intended for the production of hydrogen. The generator essentially comprises two main elements, in addition to auxiliary mechanical elements, namely a rotor and a stator. The piezoelectric cell...
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WO/2009/127759 |
The invention relates to a cell that performs water vapour dissociation in the two compartments thereof, namely hydrogen and oxygen. The cell consists of a thin piezoelectric crystal plate located in a structure comprising three stacked ...
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WO/2009/127759 |
The invention relates to a cell that performs water vapour dissociation in the two compartments thereof, namely hydrogen and oxygen. The cell consists of a thin piezoelectric crystal plate located in a structure comprising three stacked ...
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WO/2009/128245 |
Provided are a piezoelectric element in which a large amount of displacement can be obtained and the migration between electrodes does not tend to occur, and a piezoelectric pump using the piezoelectric element. Provided are a stacked pi...
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WO/2009/125553 |
Provided is a laminated piezoelectric actuator wherein disconnection with an external electrode due to stress is not easily generated, and furthermore, feeding terminals such as a lead line is not easily removed from the external electro...
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WO/2009/125536 |
The frequency is increased while maintaining high surge withstand pressure. A boundary acoustic wave device (1) is provided with a piezoelectric body (10), a dielectric body (20), and an electrode (30) disposed at the boundary between th...
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WO/2009/124913 |
The invention relates to a flow controlling component (10) for influencing flows around a flow-exposed part (56) in particular of an aircraft. Said flow controlling component (10) comprises a driving device (12) for moving a flow-effecti...
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WO/2009/121104 |
A piezoelectirc transducer having a component therein for amplifying the deformation of the piezoelectric element so as to increase the available transducer stroke. This amplification of the piezoelectric element may be provided by a mec...
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WO/2009/121104 |
A piezoelectirc transducer having a component therein for amplifying the deformation of the piezoelectric element so as to increase the available transducer stroke. This amplification of the piezoelectric element may be provided by a mec...
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WO/2009/122916 |
Disclosed is a piezoelectric ceramic indicated by the composition formula Bi4Ti3O12・α[(1-β)(M11-γLnγ)TiO3+ βM2M3O3], wherein: α, β, and γ satisfy 0.3≤α≤0.95, 0≤β≤0.5, and 0≤γ≤0.5; M1 is at least one type chosen f...
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WO/2009/121746 |
A method and a device for controlling a fuel-metering system are described. The fuel-metering system comprises at least one injector (151, 152, 153) for injecting fuel into an internal combustion engine. A current value is applied to the...
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WO/2009/119820 |
A piezoelectric element miniaturizable and having an excellent long-term reliability. The piezoelectric element comprises a pair of first conductive substrates, a second conductive substrate disposed between the pair of first conductive ...
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WO/2009/119322 |
Disclosed is a piezoelectric ceramic (10) which is mainly composed of a three-component solid solution represented by general formula (1) wherein x, y and z respectively satisfy the following formulae (2), (3), (4) and (5). x(Bi1/2Na1/2)...
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WO/2009/119204 |
A vibratory gyroscope comprises an annular vibrator (11) having a uniform plane, a leg portion (15) flexibly supporting the annular vibrator and having a fixed end, a fixed potential electrode (16), and plural electrodes (13a, 13b, …, ...
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WO/2009/119205 |
A vibratory gyroscope comprises an annular vibrator (11) having a uniform plane, a leg portion (15) flexibly supporting the annular vibrator and having a fixed end, a fixed potential electrode (16), and plural electrodes (13a, 13b, …, ...
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WO/2009/119016 |
Provided is an elastic wave filter device which has a balun function which allows expansion of out-of-band attenuation. In the elastic wave filter device (1), between an unbalanced terminal (3) and first and second balanced terminals (4,...
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WO/2009/116548 |
Disclosed is a piezoelectric/electrostrictive element equipped with a piezoelectric/electrostrictive drive unit having a piezoelectric/electrostrictive body, and a film-type external terminal electrode that is arranged on at least one su...
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WO/2009/115838 |
A specimen holder assembly (500) suitable for tomographic inspection of a specimen in a transmission electron microscope comprising: a body portion (501) in the form of an elongate member arranged to be removably insertable into the colu...
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WO/2009/116683 |
Provided is a piezoelectric material including a lead-free perovskite-type composite oxide which is excellent in piezoelectric characteristics and temperature characteristics and is represented by the general formula (1): xABO3-yA'BO3-zA...
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WO/2009/116356 |
This invention provides an organic piezoelectric material that has improved film slipperiness and scratch resistance in producing a large-area organic piezoelectric film and, at the same time, has excellent piezoelectric properties and h...
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