摘要:
A piezoelectric component with a monolithic stack, has electrode layers and piezoceramic layers arranged alternately one on top of the other, the piezoceramic layers have a piezoceramic, and having at least one porous security layer arranged in the stack for the formation of a crack if mechanical overload of the stack should occur. The piezoelectric component has an infiltration barrier arranged between the security layer and a lateral surface section of the stack for suppressing the penetration of a foreign substance into the security layer. The piezoelectric component can be as a piezoactuator for controlling a valve, particularly a valve of an internal combustion engine.
摘要:
A reception bush for a piezoelectric actuator is provided with two connection pins for electrically bonding the piezoelectric actuator, in particular for a piezoelectric actuator controlling the injector of an injection system for an internal combustion engine. The reception bush has a first (1) and a second (2) bush elements which are interconnected when the bush is mounted. The first element (1) is provided with through holes (4, 5) for the connection pins of the inventive piezoelectric actuator. The second element (2) is provided with at least one guide (12) for the connection pins.
摘要:
A contact mat (9) for electrically contacting an actuator, particularly a piezo actuator for an injector of an injection system has several electrically conductive wires (5) that are placed next to each other and several mechanical transversal connections located between the individual wires (5). The transversal connections consist of one respective terminal post (3, 4, 20-22) of the actuator.
摘要:
A piezo actuator has a stack element and at least one further stack element, wherein each of the stack elements has stacked piezoceramic layers and electrode layers arranged between the piezoceramic layers, each of the electrode layers extends to at least one of at least two lateral surface sections of the stack element which have external metallizations on them, and are connected to the electrode layers such that adjacently stacked electrode layers can have different electrical potentials applied to them indirectly via the external metallizations, the stack elements are arranged above one another to form a monolithic total stack, and connected to one another by at least one connecting layer. The following steps are provided: a) provision of the total stack and b) production of a load-relieving crack in the connecting layer. An electrical connector in the form of a wire can be fitted on the relevant external metallization regions.
摘要:
A servo drive includes a piezoelectric actuator contained in a drive housing. The actuator has an actuator stack surrounded by a hollow cylindrical spring element and an actuator casing disposed in the spring element. The spring element is clamped, together with the actuator stack, between an actuator cap and an actuator base. An elastic compound fills gaps between the drive housing and the spring element as well as between the spring element and the actuator casing, and damps an actuator motion. A piezoelectric actuator for the servo drive and a method of producing the piezoelectric actuator are also provided.
摘要:
The invention relates to adapting a process for producing components of a component assembly, wherein, during the production process of a first component of the component assembly, a real digital model (15) of the first component is provided with information regarding design, production, actual geometry (5), field usage, repair and/or recycling of the first component and is updated, comprising the steps of:—acquiring (S1) specifications (11) for the components of the component assembly;—creating (S2) a CAD model (12) for manufacturing the first component according to the specifications (11);—creating (S3) the real digital model (15);—adapting (S4) the real digital model (15) on the basis of first information obtained as a result of creating (S2) the CAD model (12);—manufacturing (S5, 13) the first component according to the CAD model (12);—adapting (S6) the real digital model (15) on the basis of second information obtained as a result of manufacturing (S5, 13) the first component;—comparing (S7) the real digital model (15) with the specifications (11) for the components of the component assembly;—adapting (S8) the CAD model (12) taking into account the comparison (S7) and additional parameters; and—using (S9) the adapted CAD model (12) for further manufacturing of the components of the component assembly.
摘要:
A storage element for a solid-electrolyte battery is provided, having a main body which is composed of a porous matrix of sintered ceramic particles, and also having a redox system which is composed of a first metal and/or at least one oxide of the first metal, wherein a basic composition of the storage element comprises at least one further oxide from the group comprising Y2O3, MgO, Gd2O3, WO3, ZnO, MnO which is suitable for forming an oxidic mixed phase with the first metal and/or the at least one oxide of the first metal.
摘要翻译:提供一种用于固体电解质电池的存储元件,其具有主体,该主体由烧结陶瓷颗粒的多孔基体组成,并且还具有由第一金属和/或至少一种氧化物的氧化还原体系组成的氧化还原体系 第一金属,其中所述存储元件的基本组成包含至少一种另外的氧化物,所述氧化物包括Y 2 O 3,MgO,Gd 2 O 3,WO 3,ZnO,MnO,其适于与所述第一金属和/或所述第一金属形成氧化混合相 第一金属的至少一种氧化物。
摘要:
A storage element for a solid electrolyte battery is provided, having a main member of a porous ceramic matrix in which particles, that are made of a metal and/or a metal oxide and jointly form a redox couple, are embedded, the particles having a lamellar shape.
摘要:
A conversion component for arrangement downstream at a radiation-outcoupling face of a radiation-emitting semiconductor chip is specified. The component has a converter element with a first major face, a second major face opposite the first major face and at least one side face. The side face connects together the two major faces. The converter element contains at least one luminescence conversion material, which is suitable for absorbing electromagnetic radiation of one wavelength range and for re-emitting the absorbed electromagnetic radiation in another wavelength range with larger wavelengths than the absorbed radiation. A reflective coating is designed to reflect electromagnetic radiation exiting from the converter element and to reflect it at least in part back into the converter element. The reflective coating covers the converter element at least in places at the at least one side face.
摘要:
A piezoelectric actuator unit which undergoes less change in the amount of displacement and shows high durability in continuous operation under a high voltage and a high pressure over a long period of time is provided.The piezoelectric actuator unit including a multi-layer piezoelectric element having piezoelectric layers and metal layers with the piezoelectric layers and the metal layers being stacked one on another, and a case which houses the multi-layer piezoelectric element, wherein at least one of the plurality of metal layers is stress relieving layer which consists of a plurality of partial metal layers that are scattered throughout the entire region between two piezoelectric layers which adjoin the partial metal layers in the direction of stacking, and voids, and a peel-off section is formed at least in a part of the interface between the stress relieving layer and the piezoelectric layer that adjoins therewith.