摘要:
An injection valve may comprise: an injector component having an injector body comprising a recess of the injector body extending in the direction of a longitudinal axis that can be hydraulically coupled to a high-pressure circuit of a fluid, and a nozzle needle axially displaceably disposed in the recess of the injector body, designed for preventing fluid flow through at least one injection opening in a closed position, and otherwise for releasing the fluid flow; an actuator unit disposed in a recess of the injector body and comprising an actuator housing in which an actuator element is disposed, and the actuator housing comprises an end face at an axial end facing the injection opening, said end face being mechanically coupled to a stage implemented in the injector body; and a ring element disposed axially between the end face and the stage. At least two radial through passages are disposed opposite each other in the ring element, designed for hydraulically coupling between a ring interior disposed within the ring element and a ring exterior disposed outside of the ring element.
摘要:
An electromechanical converter comprises a dielectric elastomer layer (1) designed as one piece and having a first side and a second side opposite the first side. The first and the second side of the dielectric elastomer layer (1) are corrugated in the same direction as each other with the formation of ridges (2) and furrows (3). The dielectric elastomer layer (1) comprises a polyurethane polymer, the first side of the dielectric elastomer layer (1) being in contact with a first electrode (4) and the second side of the dielectric elastomer layer (1) being in contact with a second electrode (5) and the first and second electrode (4, 5) having a same-directional corrugated design corresponding to the first and second side of the dielectric elastomer layer (1).
摘要:
The present invention relates to an electromechanical converter, in particular an electromechanical sensor, actuator and/or generator, which comprises a polymer element obtainable from a reaction mixture comprising a polyisocyanate, a polyisocyanate prepolymer and a compound having at least two isocyanate-reactive hydroxy groups. The present invention additionally relates to a process for the production of such an electromechanical converter and to the use of a polymer element according to the invention as an electromechanical element. The present invention relates further to an electronic and/or electrical device comprising an electromechanical converter according to the invention and to the use of an electromechanical converter according to the invention in an electronic and/or electrical device.
摘要:
The invention relates to an electro-switchable polymer film assembly having a first and a second surface side, comprising at least one pair of electrodes (3, 4) and a polymer matrix (2), wherein structuring particles (5) can be embedded in the polymer matrix and the polymer matrix or the structuring particles consist of an electro-active polymer, wherein furthermore, the first and/or the second surface sides can be transferred from a plane condition into a structured condition by electric switching of the electro-active polymer.
摘要:
The invention describes novel polymer-functionalized carbon nanotubes. These comprise a carbon nanotube, a first polymer that is adsorbed on the outer surface of a carbon nanotube and comprises amino groups, and a second polymer covalently bonded to the first polymer. The bond between the second polymer and the first polymer is formed by the reaction of amino groups from the first polymer with groups from the second polymer that are reactive with respect to amino groups. The invention further relates to a method for the production thereof, wherein carbon nanotubes are provided in an aqueous solution of a first polymer comprising amino groups and then a solution of a second polymer comprising groups that are reactive with respect to amino groups is added. The invention also relates to the use of the carbon nanotubes in dispersions, polymers and surface coatings.
摘要:
The present invention relates to a method for producing an electromechanical, for example piezoelectric, transducer in which a first polymer layer comprising cutouts is applied to a first continuous polymer layer by means of a printing and/or coating method, a cover is applied to the first polymer layer comprising cutouts in such a way that the cutouts of the first polymer layer comprising cutouts are closed off with the formation of cavities, and the cover is connected to the first polymer layer comprising cutouts. The invention also relates to electromechanical transducers produced by the method according to the invention, and the use of said electromechanical transducers.
摘要:
The present invention relates to a semiconductor laser having at least one quantum film in which electron hole pairs can be recombined, having at least two barrier layers between which respectively one of the at least one quantum films is disposed adjacently to these, directly in a planar manner or via respectively one intermediate film, and also having a pump device, the barrier layers having or consisting of AlzGa1-zAsySbi-y, with y greater than or equal to zero and less than or equal to one and z less than or equal to one and greater than 0.4, and/or having or consisting of AlzGauInvAsySb1-y, with z+u+v=1 and z greater than 0.25, the electron hole pairs being able to be produced directly in the quantum film with the pump device.
摘要翻译:本发明涉及一种具有至少一个量子膜的半导体激光器,其中电子空穴对可以被重新组合,其中至少两个阻挡层之间,其中至少一个量子膜中的至少一个与其相邻设置,直接在平面 方式或经由一个中间膜,并且还具有泵装置,所述阻挡层具有或由AlzGa1-zAsySbi-y组成,y大于或等于0且小于或等于1且z小于或等于 1和大于0.4,和/或具有或由AlzGauInvAsySb1-y组成,其中z + u + v = 1和z大于0.25,电子空穴对能够直接用泵装置在量子膜中产生。
摘要:
The invention relates to an injection valve, comprising a control chamber (15) with a control piston (16) that is functionally linked with a nozzle needle (35). The control chamber (15) is linked, via an inlet throttle (13), with pressurized fuel, and with an outlet throttle (14) with a valve chamber (9). A servo valve (5) is disposed in the valve chamber (9), said servo valve opening a connection between the valve chamber (9) and a return element (40) depending on its position. The inventive injection valve further comprises a bypass throttle (12) that is interposed between the fuel feed line and the valve chamber.
摘要:
The invention relates to a target arrangement comprising a tubular-shaped carrier element and a hollow-cylindrical target having at least one target material, said target comprising at least one one-piece tube segment which at least partially surrounds the carrier element. Said carrier element and the tube segment are partially interconnected in a material fit by at least two plastically deformable compensating means. The invention also relates to a method for producing said type of target arrangement and a tubular segment.
摘要:
A method and a device for detecting faulty functioning of actuators in the air system on internal combustion engines, an actuator being operated using at least two control states, one after the other, at least one sensor, whose output signal is a function of the excursion state of the actuator, reading out the output signal of this sensor being undertaken, and an assessment of the function of the controlled actuator being undertaken from the response of this output signal to the change of the control of the actuator, during the control of the actuator, at least the control of those other actuators included in the air system being kept constant as well as additional control signals for operating the internal combustion engine, which have an influence on the output signal of the sensor.