32results about How to "Different thermal expansion" patented technology

It is provided a dielectric barrier discharge lamp (10) for providing ultraviolet light, comprising an outer tube (12) filled with a discharge gas for providing ultraviolet light, an inner tube (14) arranged at least partially inside the outer tube (12), an outer electrode (16) electrically connected to the outer tube (12) and an inner electrode (18) electrically connected to the inner tube (14), wherein the inner electrode (18) comprises a conductor (20) and a plurality of an conductive granulated material (22) for providing an electrical contact between the conductor (20) and the inner tube (14). Due to the conductive granulated material (22) an electrical contact between the conductor (20) and the inner tube (14) is safeguarded and different thermal expansions of the inner electrode (18) and the inner tube (14) are compensated at the same time without applying mechanical stress to the inner tube (14). This leads to a dielectric barrier discharge lamp (10), which comprises an increased life time without the need for external cooling.

A cell contact-making system for an electrochemical device that includes a plurality of electrochemical cells is provided. The cell contact-making system includes a signal conductor system having one or more signal conductors for electrically conductively connecting a signal source to a signal conductor terminal connector or to a monitoring arrangement of the electrochemical device, wherein the signal conductor system includes at least one flexible printed circuit, wherein the flexible printed circuit includes at least one flexible insulating film and at least one conductor track that is arranged on the insulating film.

A micromechanical thermal-conductivity sensor is provided which includes a thermally insulated diaphragm formed by a recess in a base plate exhibiting poor thermal conductivity. At least one heating element is applied on the diaphragm, at least one temperature-dependent electrical resistor is applied on the diaphragm for measuring the temperature of the diaphragm, as well as at least one further temperature-dependent electrical resistor is applied outside of the diaphragm on the base plate for measuring the ambient temperature. On one or both of its sides, the diaphragm is covered by a porous cover plate permitting gas exchange by diffusion, a cavity being left open between the diaphragm and the porous cover plate.

In a method for fixing an electrical or an electronic component, particularly a printed-circuit board, in a housing used to accommodate the component, and a fixing element for fixing the component by clamping it in place, the component is fitted with at least one fixing element, which includes an elastically yielding press-on part which, during the clamping in place of the component in the housing, is brought to lie against a part of the housing and is pressed against it while being deformed.

A device for fastening a turbocharger to a base, with a fastening foot (12) which is integrally formed in one piece on a gas outlet casing (10) of the turbocharger and which has long holes (16) spaced from one another and preferably arranged in a star-shaped manner in relation to one another. In order to fasten the turbocharger, sliding shoes (26) are capable of being inserted into the long holes (16) and have continuous orifices, through which can be led fastening elements (30, 30′) capable of being fixed in the base.

The present invention relates to a method of manufacturing a wafer in which a heterogeneous material compound is detached at a pre-determined detachment area of the compound, and the compound is subject to a thermal treatment. It is the object of the present invention to provide an easy and effective method of detachment a heterogeneous material compound with a reduced risk of an undefined breaking of the compound. The object is solved by a method wherein the thermal treatment includes annealing the compound, where the annealing is stopped before a detachment of the compound, and an irradiation of the compound with photons in order to obtain a detachment of the compound at the pre-determined detachment area.

A discharge head for a vertical pump includes a base plate configured to mount the discharge head, a top plate, at least one support member connecting the base plate with the top plate, a discharge pipe with an outlet configured to deliver a fluid, and an inner tube. The discharge pipe extends through the base plate. The inner tube is configured to receive a shaft that connects a drive unit with an impeller of the vertical pump, and extends in an axial direction and coaxially within the discharge pipe in a region of the base plate, passing through a wall of the discharge pipe at an intersection, and further extending to the top plate. The inner tube includes a bellows member disposed between the intersection and the top plate.

The invention relates to a cutting device for cutting graphene, with a receptacle (10) which is configured to accommodate the graphene (19) for cutting, a cutting element (12) which is loaded with a catalytically active material, at least in the region of a cutting tip, a shifting apparatus, which is configured for shifting the receptacle (10) and the cutting element (12) with the cutting tip relatively to one another, and a heating device (14), which is configured to supply thermal energy during the cutting of the graphene (19) for a catalytic reaction of the graphene in the region of a cutting path with the participation of the catalytically active material.

The invention relates to an electrolytic cell (1) for the production of aluminium (2) including collector bars structure modifications (13,14,15,16) under the cathode (4), namely a copper collector bar held in a U-shaped profile or directly embedded into the cathode. This leads to an optimized current distribution in the liquid aluminium metal (2) and/or inside the carbon cathode allowing for operating the cell at lower voltage. The lower voltage results from either a lower anode to cathode distance (ACD), and/or to lower voltage drop inside the carbon cathode from liquid metal to the end of the collector bar.

A vehicle headlight arrangement includes a headlight housing adapted to enclose a light source, a vehicle body-connecting device connecting the headlight housing to a vehicle body part, and a vehicle-frame connecting device connect which connects the headlight housing to a vehicle frame. The vehicle frame connecting device includes a side-connecting component that allow a movement of the headlight housing relative to the vehicle frame along a single defined direction.

The invention relates to a spring element (10) for compensating for axial play in a motor shaft of an electric motor. The invention proposes embodying such a spring element (10) out of plastic and of one piece with a stop disk (12), which is connected via spring arms (14) to a support foot (16), and placing it, along with the support foot (16), onto a support sleeve (18) with which the spring element (10) can be press-fitted onto the motor shaft. The invention has the advantage that it eliminates the axial play in the motor shaft of an electric motor with a spring element (10) that is inexpensive to manufacture and easy to install (FIG. 1).

A pneumatic tire comprises a carcass with a reinforcing ply structure extending between a pair of bead portions and a pair of sidewalls, a tread, a belt reinforcing structure located radially outward of the carcass and radially inward of the tread, and two inserts. Each insert is located in each sidewall. Each sidewall is located radially outward of one of the pair of bead portions. Each insert has a first material and a second material. The first material has a different coefficient of thermal expansion than the second material.

Described herein is a direct-heating column assembly for chromatography, in which a capillary column is enveloped in a tubular mesh formed by a plurality of woven filaments.

A shroud element, for example for the engine compartment in the rear region of the vehicle, has a lower support and a thin-walled upper cover. The cover is locally recessed in the longitudinal direction, and rubber strips are provided between the cover and the support in the region of the recesses. The rubber strips also serve as luggage stopping strips and for sound absorption. The support has U-shaped longitudinal grooves locally in formations so that different thermal expansions between the support and the cover can be compensated for.

An apparatus for shielding hot regions, in particular of an internal combustion engine, includes a heat shield with a through hole. The apparatus has a component, in particular a heat source, with a fastening region which has a receptacle and a shoulder which surrounds the receptacle at least partially. The shoulder extends through the through hole of the heat shield. The apparatus has a fastening element, in particular a screw, which fastens the heat shield to the fastening region, the fastening element being supported on the shoulder, extending through the through hole of the heat shield, and being fastened in the receptacle.

A magnet pole for magnetic levitation vehicles includes an iron core (1) having an upper pole surface (2), a lower contact surface (3) for a magnet rear side (4) and a circumferential surface (5) disposed between the pole surface (2) and the contact surface (3). A coil (6) is applied onto the circumferential surface (5) of the iron core (1). An intermediate layer is made of an electrically insulating material, which is disposed between the circumferential surface (5) and the coil (6). A protective layer (9) encapsulates the coil (6). At least the pole surface (2) of the iron core (1) is made of a hard material and abuts the circumferential surface (5) in a lower region of the iron core (1). The protective layer (9) contains a section (15) made of an elastic material in a region adjacent to the circumferential surface (5).

An electromechanical steering system for a vehicle comprises a steering shaft, which is mounted rotatably in an accommodating space of a steering housing, and an electric motor, which, acts upon steering shaft over a transmission. Furthermore, a coil spring housing with a coil spring is provided in the accommodating space. The accommodating space is divided by a partition into a section accommodating the coil spring and a section accommodating the transmission. A damping almond is integrated in the partition. The housing of the coil spring forms part of the partition.