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

Dielectric barrier discharge lamp

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.
Owner:SIGNIFY HLDG BV

Operator control apparatus having at least one pressure-operated switch

An operator control apparatus has at least one pushbutton switch, and can be used, for example, in an operator control panel for an electronic domestic appliance. The operator control apparatus further has a support element, a pressure-sensitive transmission element with at least one sensor area which corresponds to the at least one pushbutton switch and is connected to the support element by a first adhesive layer, and a covering layer which faces the user side. The covering layer is connected to the transmission element by a second adhesive layer, with the second adhesive layer being soft and having an adhesive layer region in the region of the at least one sensor area of the transmission element. The adhesive layer region is smaller than the sensor area and is at least partially separated from the rest of the second adhesive layer by at least one cutout.
Owner:DIEHL AKO STIFTUNG

Cell contact-making system for an electrochemical device

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.
Owner:ELRINGKLINGER AG

Micromechanical heat conductivity sensor having a porous cover

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.
Owner:ROBERT BOSCH GMBH

Method for fixing an electrical or an electronic component, particularly a printed-circuit board, in a housing and fixing element therefor

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.
Owner:ROBERT BOSCH GMBH

Device for fastening a turbocharger

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.
Owner:ABB (SCHWEIZ) AG

Method of manufacturing a wafer

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.
Owner:S O I TEC SILICON ON INSULATOR THECHNOLOGIES

Atomizing desuperheater shutoff apparatus and method

ActiveUS20100319781A1Accelerated operational failure and premature wearLarge capacitySuperheating controlFlow mixersSpray nozzleEngineering
The present invention is directed to a desuperheater spraying valve assembly. More particularly, the invention provides a new and improved valve assembly, whereby cooling liquid may be controllably injected into a gas or a liquid stream, typically steam, to selectively maintain the gas or liquid at a predetermined temperature level. In a possible embodiment of the present invention, a class V valve assembly is disclosed. It comprises an actuator coupled to a plug with a valve seat in the proximity of said plug. The plug is affixed to an actuator rod which transverses the body of the valve assembly. A spray tube may be affixed to said valve seat and at least one spray nozzle is affixed to a to the spray tube. The plug and said valve seat are conical in shape as to when said plug is inserted into said valve, they form a seal.
Owner:CELEROS FLOW TECH LLC

Discharge head for a vertical pump and vertical pump

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.
Owner:SULZER MANAGEMENT AG

Cutting device for cutting graphene and a method for cutting graphene using a cutting device

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.
Owner:HUMBOLDT UNIVET ZU BERLIN

Cathode current collector for a hall-heroult cell

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.
Owner:NOVALUM SA

Vehicle headlight, vehicle and integrated unit comprising such a vehicle headlight

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.
Owner:REHAU AG CO

Device having a shape memory element

Conventional devices have a valve needle and a shape memory element which, by the application of a controllable magnetic field, executes a control stroke travel that operates the actuator, and having a coil that excites the magnetic field which is situated in a magnet housing which, at its end face, is bordered with respect to an actuating axis by a front wall in each case, the front walls having a through opening radially within the coil. It is a disadvantage that the magnetic field excited around the coil is conducted unfavorably, so that at most a slight magnetic field develops in the shape memory element. The shape memory element has a magnetic field flowing through it, in the direction of its longitudinal extension, if at all. Since the shape memory element has a high magnetic resistance and is developed to be very long in the axial direction, only a very weak magnetic field can be induced in the shape memory element. In response to the magnetic field that is weak at most, the shape memory element can generate only a very slight lift of the valve needle. In the device according to the present invention, a strong magnetic field is conducted through the shape memory elements, and in this way, a large control stroke travel is achieved. The shape memory element(s) is / are positioned generally only in the through opening(s).
Owner:ROBERT BOSCH GMBH

Spring elemnt for compensating axial play in a motor shaft of an electric motor

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).
Owner:ROBERT BOSCH GMBH

Self-supporting pneumatic tire

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.
Owner:THE GOODYEAR TIRE & RUBBER CO

Chromatography column

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.
Owner:THERMO FINNIGAN ITALA

Heat shield fastening means

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.
Owner:MAN NUTZFAHRZEUGE AG

Magnet pole for magnetic levitation vehicles, and method for the production thereof

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).
Owner:THYSSENKRUPP TRANSRAPID

Electromechanical steering system for a vehicle

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.
Owner:ROBERT BOSCH AUTOMOTIVE STEERING
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