147results about How to "Avoid mechanical stress" 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.

The measuring transducer comprises: a transducer housing, of which an inlet-side, housing end is formed by means of a flow divider including four flow openings spaced, and an outlet-side, formed by means of a flow divider including four flow openings spaced, from one another. A tube arrangement including four curved measuring tubes connected to the flow dividers for guiding flowing medium along flow paths connected in parallel. Each measuring tubes opens with an inlet-side, measuring tube end into one of the flow openings of the flow divider and with an outlet-side, measuring tube end into one the flow openings of the flow divider. The two flow dividers are embodied and arranged in the measuring transducer, so that the tube arrangement extends both between a first and a second of the measuring tubes and between a third and a fourth of the measuring tubes. An imaginary longitudinal-section plane, with respect to which the tube arrangement is mirror symmetric and perpendicular to the imaginary longitudinal-section plane, an imaginary longitudinal-section plane, with respect to which the tube arrangement likewise is mirror symmetric. An electromechanical exciter mechanism of the measuring transducer serves for producing and/or maintaining mechanical oscillations of the four measuring tubes.

Provided is a manufacturing method of heat-assisted magnetic recording head, in which a light source unit can be easily joined to a slider with sufficiently high accuracy, under avoiding the excessive mechanical stress. The manufacturing method comprises the steps of: moving relatively the light source unit and the slider, while applying a sufficient voltage between an upper electrode of the light source and an electrode layer provided in the slider; and setting the light source unit and the slider in desired positions in a direction perpendicular to the element-integration surface of the slider substrate. The desired positions are positions where the light source just emits due to a surface contact between: the protruded portion of the lower surface of the light source; and the upper surface of the electrode layer, which is a portion of the wall surface of a step formed on the head part.

A hydrodynamic coupling includes a housing coupled to a driveshaft having an impeller and a turbine wheel is arranged in the housing driven by the impeller, and a first damper arrangement by which the housing is coupled to a driven member by a lockup clutch. The first damper arrangement includes a first torsional vibration damper connected to the lockup clutch is rotatable around an axis of rotation against the action of a first damper spring arrangement. A second torsional vibration damper is connected to the first torsional vibration damper and rotatable around the axis of rotation against the action of a second damper spring arrangement. The turbine wheel is connected to an intermediate torsional vibration damper region including a first secondary side, a second primary side, a second damper arrangement having a deflection mass carrier connected to the second secondary side that is carried at the deflection mass carrier such that a radial position of the deflection mass.

The present disclosure relates to a wearable monitor device and methods and systems for using such a device. In certain embodiments, the wearable monitor records cardiac data from a mammal and extracts particular features of interest. These features are then transmitted and used to provide health-related information about the mammal.

A process for manufacturing an integrated membrane made of semiconductor material includes the step of forming, in a monolithic body of semiconductor material having a front face, a buried cavity, extending at a distance from the front face and delimiting with the front face a surface region of the monolithic body, the surface region forming a membrane that is suspended above the buried cavity. The process further envisages the step of forming an insulation structure in a surface portion of the monolithic body to electrically insulate the membrane from the monolithic body; and the further and distinct step of setting the insulation structure at a distance from the membrane so that it will be positioned outside the membrane at a non-zero distance of separation.

An opto-electric module comprising: (a) an OSA having an optical axis, and optical end, an electrical end; (b) a planar circuit board having top and bottom surfaces and one or more electrical contacts on at least one of the surfaces of the circuit board; (c) a connector interface for receiving a mating connector; (d) a substrate connected to the connector interface, the OSA and the circuit board, the substrate holding the circuit board parallel to the optical axis of the OSA; and (e) an electrical interface between the electrical end of the OSA and the electrical contacts of the circuit board, the electrical interface comprising a flexible conductor extending orthogonally from the optical axis of the OSA and bending around to overlay the electrical contacts on the circuit board.

A fusion plate for arthrodesis, the plate comprising: a plate body including a first portion disposed in a first plane and having a first bone engaging surface and a second opposing surface, a second portion disposed in a second plane and having a first bone engaging surface and a second opposing surface, a third portion disposed in a third plane and having a first bone engaging surface and a second opposing surface. The first portion includes at least one opening which receives at least one fixation means. The second portion includes at least one opening which receives at least one fixation means and the third portion includes at least one opening which receives at least one fixation screw.

A waste heat steam generator including evaporator tubes is provided. The evaporator tubes are connected in parallel on the flow medium side, a plurality of overheating tubes are mounted downstream of the evaporator tubes using a water separation system. The water separation system includes water separation elements, each water separation element being respectively mounted downstream of the plurality of evaporator tubes and/or upstream of a plurality of overheating tubes. Each water separating element includes an inlet pipe which is respectively connected upstream to the evaporator tubes, the inlet pipe extending into a water evacuation pipe when seen in the longitudinal direction. A plurality of outflow pipes branch off in the transitional area, the pipes being connected to an inlet collector of the overheating tubes which are respectively connected downstream. A distribution element is arranged on the steam side between the respective water separating element and the inlet collector.

A keyboard assembly (20) has a light guide (23, 31, 33) and a supporting structure (23, 33) arranged to provide an illuminated and integrated keyboard assembly (20). A light guide (23, 31, 33) provides an integrated supporting, protecting and illuminating structure for keyboard assemblies (20). The keyboard assembly (20) has a layer of rigid material (31) which separates the elastic layer (21) from the printed wired board (9) located under the rigid layer (31). The layers are bonded together. The protection rib (33) is part of the combination of the elastic layer (21) and rigid layer (31) which is supported against the printed wired board (9) by the rigid layer (31). The combined structure of the light guide and supporting frame forms an integrated structure (23, 31, 33) which illuminates an array of keys (22), supports the keyboard assembly (20) and protects the keys (22) and key tops 25 from mechanical stress.

The invention relates to an electrode unit for rechargeable electrochemical cells, e.g. accumulator cells, whose energy storage properties are drawn from the deposition of an element such as metal or an alloy. The electrode unit has an electrode (2) and a porous separator (5a) nearly completely surrounding said electrode, wherein an electrically insulating spacer (3) covering at least one face of the electrode is disposed between the electrode and the separator. The spacer according to the invention makes it possible to provide the necessary space for the metal or alloy deposited on the electrode, particularly during charging of the accumulator cell. The mechanical pressure as a result of changes in the volume of the electrode due to the deposited metal or alloy are intercepted, thereby reliably preventing short circuits.

A method for producing a turbine casing for a rotating machine is provided. The casing is manufactured by a casting process, and is cast in two casing halves which are separated by a parting plane which passes axially through the turbine casing. Each casing half is first cast in one piece in each case, and each casing half is separated into at least two casing sections which are joined together for forming a casing half in each case.

In order to provide a component of a fuel cell unit that has an electric insulation effect at the operating temperature of the fuel cell unit and that has an adequate electrically insulating effect and an adequate mechanical strength also at a high operating temperature of the fuel cell unit, it is proposed that the component comprises a basic body and at least one electrically insulating insulation layer, which is disposed on the basic body and contains aluminium oxide, wherein the insulation layer is produced by anodizing an aluminium-containing layer disposed on the basic body.

The present invention provides a pressure bulkhead for subdivision of an aircraft or spacecraft into an internal-pressure area and an external-pressure area. The pressure bulkhead comprises a pressure plate which has a rim which is shaped corresponding to an internal contour of the aircraft or spacecraft, a supporting device which supports the rim such that it can be tilted on the inner contour, and a seal which seals the rim with the internal contour. A further aspect of the invention provides a method for subdivision of an aircraft or spacecraft into an internal-pressure area and an external-pressure area. First of all, a pressure plate is provided which has a rim which is shaped to correspond to an internal contour of the aircraft or spacecraft. In further steps, the rim is supported such that it can be tilted on the internal contour, and is sealed with the internal contour.

A method of forming isolation layers of a semiconductor device, comprising providing a semiconductor substrate in which a tunnel dielectric layer and a conductive layer are formed in active regions having two ends and trenches are formed in isolation regions; rounding both ends of each active region by performing an O₂ plasma process on the semiconductor substrate; forming a first insulating layer on sidewalls of each trench; and, forming a second insulating layer, preferably having a greater fluidity than that of the first insulating layer, on the first insulating layer.

An electrical conductor and in particular a conductor bar of an electrical machine, particularly a generator or transformer, in which an optical measuring device can be integrally arranged. A measuring unit includes an electrical conductor and an optical measuring device arranged in the conductor, and a production method for producing such an electrical conductor is described. The electrical conductor (10), having a conductor cross section and also an extent in the conductor longitudinal direction, includes a recess (11, 12, 13) in the conductor longitudinal direction at least along a section of the conductor, for integrated arrangement of a signal conductor, in particular an optical waveguide.

The invention relates to a stress-free clamping flexible device for high-precision standard lenses, which includes a flexible frame, a pressing ring, and a standard lens frame. The flexible frame is provided with a plurality of circular arc slits of the same radius which divide the flexible frame into an inner ring and an outer ring, and the inner ring and the outer ring are connected by a flexible member. Multiple injection holes are arranged in the side of the inner ring of the flexible frame. A standard lens is fixed to the inner ring of the flexible frame through adhesive in the injectionholes. The standard lens frame is a barrel-shaped part with a round hole in the bottom, and the radius of the round hole is smaller than that of the standard lens. The flexible frame is sheathed in the standard lens frame. The joint portion of the bottom of the standard lens frame and one end face of the outer ring of the flexible frame is provided with a boss. The pressing ring is arranged on theother end face of the outer ring of the flexible frame. The joint portion of the pressing ring and the outer ring of the flexible frame is provided with a boss. The standard lens frame is provided with a standard interface connected with an interferometer. The thermal characteristic mismatch between the standard lens and the supporting structure thereof is compensated through the deformation of the flexible structure. The influence of temperature change on the surface shape is reduced.