Abstract: A method of rolling metal strip, and in particular steel strip, in which the metal strip passes through the roll gap of at least one roll stand, allows the work rolls of the roll stand which define the roll gap to be able to be shifted along their axes of rotation if differences occur in the shape of the roll gap from its desired shape. The method provides for flat products to be rolled which meet very stringent requirements in respect of their dimensional accuracy. For this purpose, the work rolls are shifted in the same direction in accordance with the invention, following a given shift strategy which is characterized by a regular change in the direction of shift (R?, R+) as a function of the reaching of given maximum shifted positions (V2, V4, V6, . . . , V28, V28, V30, V32 . . . , V53).

Abstract: The invention describes a method of machining a toothing (7) on an outer circumference (6) or an inner circumference of a work piece (2) made of pressed and sintered powder metal, by means of a rolling process carried out on the toothing (7) with two rotating section rolling wheels (8) which section toothing (13) engaging in the toothing of work piece (2). The two section rolling wheels (8) are rotatably arranged in a common support frame (10) with an at least approximately constant distance between their section rolling wheel axles (9).

Abstract: An apparatus and method are provided for extruding a micro-channel tube (402) from a non-aluminum metal or alloy such as copper. The micro-channel tube is formed by simultaneously extruding two rectangular shaped billets (404; 406) to form a top portion of the micro-channel tube and a bottom portion of the micro-channel tube in parallel. The top and bottom portions are then joined during the extrusion process (e.g., within a die assembly) to form the micro-channel tube (402).

Abstract: The present invention involves cost effective, efficient systems and methods for sizing pipe. In an embodiment of the present invention, a pipe sizing system includes a die having an opening operable to size the pipe, a hydraulic cylinder having at least one rod attached thereto, the hydraulic cylinder and the at least one rod cooperating with each other to push the pipe through the die, and a receiver to guide the pipe as the pipe exits from the die.

Abstract: A press tool arrangement for use in hot creep forming, a method of hot creep forming a component of titanium alloy, and a resilient urging arrangement usable at elevated temperatures are described. The press tool arrangement includes a die, a holder member engageable with a blank of material in the die, and a resilient urging arrangement engageable with the holder member to urge same against a blank of material in the die.

Abstract: In a method for press-hardening a metallic formed structure made of a hardenable steel sheet, the steel sheet is heated above a transition temperature Ac3 and then placed in a cooled press having a forming tool with at least one uncooled contour section for forming a region of reduced hardness. Marginal regions of the steel sheet are clamped with a sheet holder arrangement which has an inner sheet holder and an outer sheet holder. The inner sheet holder is hereby located closer to the forming tool than the outer sheet holder. The sheet holder arrangement is configured to slow down flow of the marginal regions into the forming tool. After closing the press tool, the steel sheet is formed in a first forming phase by holding the marginal region with the outer sheet holder and in a subsequent forming phase by holding the marginal region with the inner sheet holder.

Abstract: A finishing station of variable structure includes two plates, joined integrally to each other and able to slide along two vertical shoulders which support a plurality of forming rollers mounted on shoes able to slide in radial guides formed in the plates. The shoes that support the forming rollers are moved by levers hinged to the plates and connected to each other by connecting rods, two of which are hinged to levers hinged to the plates and secured to the ground. A further forming roller, situated in the lower part of the plates, is preferably secured to the ground. In the inner part of the two forming rollers situated in the upper part of the finishing station a disc blade is formed to control the position of the edges of the bent strip of sheet metal during the finishing operation.

Abstract: This invention provides a billet-rearranging device which receives billets fed in a row and rearranges two billets in tandem. The billet-rearranging device “A” is disposed between a chute “S” with an outlet to feed billets “b” in a row to the device “A” and a charger “Cg” with a holder unit “B” with two holders “B1” and “B2” to hold two billets “b” in tandem and has a billet-rearranging mechanism to rearrange two billets “b” in tandem and feed them to the holder unit “B” of the charger “Cg.” The billet-rearranging mechanism comprising (i) an upper slide plate 1 positioned below the outlet of the chute “S”, (ii) a lower slide plate 2 positioned below the upper slide plate 1, and (iii) a fixed plate 3 positioned below the lower slide plate 2, above the holder unit “B” of the charger “Cg.” The upper slide plate 1 has the function of rearranging two billets “b” in tandem. The lower slide plate 2 has the function of feeding two billets “b” in tandem one by one to the fixed plate 3.

Abstract: The invention involves a die holder (70) for a press, such as a metal-fabricating press (10). The die holder can be configured to receive a die (90), and can include a clamp portion (130) and a wall portion (140). Preferably, the clamp and wall portions can be positioned in an open configuration or a closed configuration, and the die holder can be adjusted from an undamped configuration to a clamped configuration. The die holder m have a die-release mechanism useful for overcoming stiction and facilitation removal of the die from the die holder.

Abstract: A web-based system and method for configuring test equipment is provided. In one aspect, the invention provides a method for configuring a test instrument, the method including receiving a first configuration file previously generated by a web server, the first configuration file including information indicative of a configuration including at least one component for the test instrument, providing a user interface enabling modification of the configuration of the at least one component and the test instrument, and generating a second configuration file including information indicative of the modified configuration.

Abstract: Method and apparatus for providing calibration of analyte sensor including applying a control signal, detecting a measured response to the control signal, determining a variance in the detected measured response, and estimating a sensor sensitivity based on the variance in the detected measured response is provided

Abstract: Methods and apparatus for testing a microscale or nanoscale sample. A testing stage comprises a frame having first and second laterally opposing ends and first and second side beams. At least one deformable force sensor beam is disposed near the first opposing end and extends laterally between the first and second side beams. A first longitudinal beam, having a free end, bisects the at least one force sensor beam, and a second longitudinal beam has a free end facing the free end of the first longitudinal beam to define a gap therebetween. A support structure comprises a plurality of laterally extending beams disposed such that the second longitudinal beam bisects the plurality of laterally extending beams. Each of a pair of slots disposed at each of the free ends of the first and second longitudinal beams comprises a tapered portion leading to a generally longitudinal portion aligned with the central longitudinal beam. The slots provide a seat for a dogbone-shaped sample.

Abstract: A calibration tool for an air data sensor of a vehicle comprises a target surface which is disposable on the vehicle. The calibration tool may further comprise a light pointer which is mountable on the air data sensor and which is operative to project a beam of light toward the target surface. The air data sensor may be configured as a flow direction sensor which may include at least one of an alpha vane for measuring angle of attack or a beta vane for measuring sideslip. The flow direction sensor may be mountable in spaced relation to the vehicle via a standoff. The flow direction sensor may include a hollow pivot arm having a laser pointer mounted therewithin for projecting a beam of laser light onto the target surface.

Abstract: A full-tensor, gravity gradient measuring system is disclosed that is based on atom interferometry. Each axis in the three-axis measuring system is served by a different gravity gradiometer, where each gradiometer comprises three pairs of atom interferometric (AI) accelerometers. The accelerometers in each pair are mounted on opposite sides of the gradiometer's rotation axis from each other. The three AI accelerometer pairs are step-rotated, instead of being continuously rotated, thereby providing enhanced signal-to-noise performance. The three gradiometers in the overall measuring system are mounted orthogonally with respect to one another on a local-level platform, in order to achieve a full-tensor measuring system. The measuring system can be step-rotated as an overall unit around an axis perpendicular to a local level reference.

Abstract: A vapor detection system adapted to detect vapor from an object at a remote distance therefrom, said vapor detection system comprising a heat source adapted to heat an upper surface of the object so as to increase evaporation and vapor concentrations of substances from the object.

Abstract: A method of manufacturing an exhaust gas sensor allows the manufacturer to selectively control the air-voltage range of the manufactured sensor between a first air-voltage range and a second air-voltage range. The sensor includes a signal wire and a ground wire. The method includes using a high nickel alloy for both of the signal wire and the ground wire to manufacture a sensor in the first air-voltage range, and using a high nickel alloy for only one of the signal wire and the ground wire to manufacture a sensor in the second air-voltage range. The air-voltage ranges are those associated with a lean-application normalized air/fuel ratio of ?>1.

Abstract: A gas chromatograph (GC) apparatus capable of detecting abnormality, in which a reference retention index is obtained from a result obtained by analyzing a given substance and a retention-index reference substance under adequate analysis conditions using a normal column, and stored in a storage section. Further, under a condition that the apparatus can perform normal analysis, the given substance is subjected to GC analysis to obtain a reference retention time, and the obtained reference retention time is stored in the storage section. A diagnosis processing section is operable to compare each of an actual retention time and an actual retention index with a respective one of the reference retention time and the reference retention index. If a deviation therebetween or abnormality is detected, the diagnosis processing section is operable to estimate a causal factor of the abnormality.

Abstract: An oxide semiconductor doped with a transition metal and exhibiting room-temperature ferromagnetism is disclosed. The transition metal-doped oxide semiconductor is preferably manufactured in powder form, and the transition metal is preferably evenly distributed throughout the oxide semiconductor. The preferred embodiments are iron-doped tin dioxide and cobalt-doped tin dioxide. Gases may be detected by passing them across a material and measuring the change in magnetic properties of the material; the preferred material is iron-doped tin dioxide.

Abstract: The present invention falls into the field of methods and devices for identifying the various phases of the ionization current during combustion in a cylinder of an internal combustion engine. The present invention develops over various phases comprising the measurement of the ionization current signal and the sampling of said signal within predetermined windows, with the subsequent identification of the sample signal which is preceded by a signal whose derivative has a positive value and followed by a signal whose derivative has a negative value.

Abstract: A liquid detection device for detecting liquid at a location on a structure includes a nanoscale spectrometer-on-a chip, and a fluid-absorptive element for absorbing liquid at the location and also securing the chip to the structure. Fluid absorbed by the element is analyzed by the spectrometer.

Abstract: A method and system are disclosed for determining whether a leak is present in an evaporative emission control system 10 for on-board diagnostic purposes. The method comprises predicting for a leak of predetermined size the time period required for the vacuum to fall from a predicted starting vacuum to a predetermined level of vacuum at which the state of a switch changes, checking at the end of the time period the state of the switch and using the state of the switch as an indication of whether a leak greater than the predetermined size is present in the evaporative emission control system 10.

Abstract: The leak and contamination detection micro-submarine includes an “electronic ear” and an “electronic nose” for detecting both leaks and chemicals within a pipe which may be leaking. The submarine includes an on-board electric motor which is radio remote controlled and may operate, or swim, in a manner similar to a fish using piezoelectric micro-motors and the like. Contamination, leak and other related data is stored in on-board memory and summary reports may be transmitted via RF signals.

Abstract: The invention relates to a method for detecting and/or quantifying water leaks in a water pipe, and to a device for realizing said method. The method of the invention comprises measuring the water flow rate in the pipe in at least two different locations, i.e., one downstream and one upstream relative to the suspected leak, the water flow rate being measured by injecting a tracing agent that modifies the water conductivity instantaneously at an upstream location and a downstream location relative to the suspected leak location, continuously measuring the water conductivity downstream from said locations and, from the conductivity values, calculating the water flow rates upstream and downstream relative to the suspected leak location in the pipe. The method of the invention can be used for quantifying a leak flow rate that can even be a very small one.

Abstract: A leak detector (1) adapted to detect a leak (40) of a first material by detecting a change in a physical/chemical property of a second material. The leak detector includes a quantum cascade laser (5) and a detector (35).

Abstract: The present invention discloses a testing apparatus and a method for testing valves used in municipal water distribution pipeline networks, particularly air-release/vacuum-breaker combination valves. The testing apparatus comprises a cylindrical reservoir to which the valve to be tested is connected. Testing is performed with water at the desired pressure, with compressed air, with vacuum and/or with a combination thereof. A determination as to a test valve's operational state is made based on the presence or absence of gas and liquid discharges and/or suction noises from the outlet, inlet, seals and joints of the valve.

Abstract: In order to check the hermeticity of a closed cavity of at least one micrometric component, said component includes a structure made over or in one portion of a substrate, a cap fixed to one zone of the substrate to protect the structure, and an indicator element whose optical or electrical properties change in the presence of a reactive fluid. The indicator element may be a copper layer for an optical check or a palladium resistor for an electrical check. The micrometric component is placed in a container which is then hermetically closed. This container is filled with a reactive fluid under pressure, which is oxygen for the optical check and hydrogen for the electrical check. The component in the container is subjected to a reactive fluid pressure higher than 10 bars for a determined time period, and to thermal (T>100° C.) or optical (?<500 nm) activation. After this time period, an optical or electrical check of the indicator element determines the hermeticity of said cavity.

Abstract: Methods and apparatus for measuring changes in pressure in a fluidic system are described. In one aspect, an apparatus for measuring pressure as described herein includes a test channel (e.g., a first fluidic channel (120)) and a control channel (e.g., a second fluidic channel (125)) that join a measuring region (130) downstream of the test and control channels. In some embodiments, fluid flowing in the test and control channels can be laminar and form a stable fluid interface in the measuring region. A property of the fluid interface, such as the position of the fluid interface, e.g., relative to a width of the measuring region, may be measured, in some cases visually. In some embodiments, introduction of a component (e.g., a cell) into the test channel can cause a change in pressure drop in the test channel. This change in pressure drop can cause a deflection of the fluid interface.

Abstract: Systems, methods and multi-well plates comprising an array of wells for thermal treatment of chemical or biological samples are disclosed. Each of the wells comprises a bottom opening, an upper opening, inner side walls extending from the bottom opening to the upper opening, a protrusion extending from the inner side walls into the well with a first cross-sectional area and located at a height from the bottom opening which is smaller than the height from the upper opening. A sample chamber with a second cross-sectional area is formed between the bottom opening and the protrusion. An upper chamber with a third cross-sectional area is formed between the protrusion and the upper opening, and in which the first cross-sectional area is smaller than the third cross-sectional area and smaller than or equal to the second cross-sectional area.

Abstract: A storm water run-off percolation rate test system includes a turbid water generator having a silt or sediment source providing silt into a mixing tank. A pipeline carries turbid water from the mixing tank to a test pit or test site. A flow meter measures the amount of turbid water moved into the test pit. Detectors detect a water level in the test pit. A controller automatically controls the turbid water generator and flow of turbid water into the test pit, and records data on the amount of turbid water provided into the test pit over time, to determine a percolation rate. In a method for determining a percolation rate, turbid water is created and used in the percolation rate testing, to more accurately simulate run-off.

Abstract: Provided is a device for determining a mechanical property of a sample to be analyzed, comprising an indenter and means for heating this indenter using laser light. The indenter has an indenter tip at the end directed toward the sample. At least one light guide for conducting the laser light to the indenter, particularly to the indenter tip, is provided as the means for heating this indenter. The aforesaid device relates to an indenter for use in the field of nanotechnology, having an elongated shape, an end region configured as the indenter tip, and means for heating by way of laser light. The indenter may comprise a light guide which is guided at least partially inside the indenter, the light emission end of which is disposed close to the indenter tip.

Abstract: To eliminate or otherwise reduce unintended movement of a probe tip of a probe assembly being held by a probe arm, the probe assembly includes one or more resilient members that compensate for the contraction or expansion of the probe arm in accordance with the coefficient of thermal expansion of the material from which the probe arm is made. Thus, the probe tip can remain in contact with a sample being measured at the desired location on the sample, during an automated full or wide scale temperature range sweep.

Abstract: The invention relates to an optical pressure sensor based on light intensity measurements and comprises at least one membrane and two parallel optical fibers. At lest one first fiber has a fiber end and a light emission surface for emitting light in the direction of the membrane. At least one second fiber has a fiber end having a light admission surface for receiving the light reflected from the membrane and transmitting that reflected light. The light emission surface and the light admission surface of the two fibers are disposed facing away from each other. This changes the optical path of the light during use such that the light portion received by the at least one second fiber is very sensitive to the position of the membrane.

Abstract: A method for determining the speed of a starter for starting internal combustion engines. The starter speed may be ascertained in a particularly simple and cost-effective manner in that it is calculated from different electrical variables and is calibrated by comparison to the internal combustion engine speed.

Abstract: Disclosed is an arrangement structure for a sensor to be mounted to an engine of a vehicle, wherein the engine is arranged in an engine compartment 2 of the vehicle in a posture allowing a crankshaft 8 of the engine to be oriented in a widthwise direction of the vehicle. The arrangement structure comprises a driveshaft 50 arranged along a vehicle-rearward lateral surface of the engine 1 facing in a rearward direction of the vehicle, to rotatably drive a front wheel, and a flange section 28a provided as a joining section between two members (12, 15) constituting the engine 1, to protrude in the rearward direction of the vehicle and at a height position below that of the driveshaft 50, wherein the sensor 42 is mounted to the vehicle-rearward lateral surface of the engine 1 at a height position located above the flange section 28a and in overlapping relation with the driveshaft 50 when viewed from a rear side of the vehicle.

Abstract: The invention relates to a device which comprises a sensor or actuator and coupling means for electrically and mechanically coupling the sensor or actuator. The coupling means comprise an electrical single conductor (30) having a core (31) from a first material and a jacket (32) from a second material, the first material having a lower thermal conductivity than the second material.

Abstract: A measurement machine for uniformity serves for determining radial and lateral force fluctuations of vehicle tires (4), which are received by a drivable support spindle (2) supported on a machine frame (1). The vehicle tire (4) rotates on a rotatable revolving drum supported on the machine frame (1) via force measurement elements (8). The rotational axis of the support shaft (2) is disposed horizontally. The rotational axis of the revolving drum (5) is disposed horizontally in a vertical plane containing the rotational axis of the support shaft (2) beneath the support spindle (2). The revolving drum (5) is supported in a revolving drum carriage (9) vertically adjustable in the machine frame (1). The revolving drum (5) has a drum shaft (6), the two drum shaft bearings (7) of which are each supported via one of the force measurement elements (8) on the revolving drum carriage (9).

Abstract: Measuring construction for measuring use conditions of a tyre, configured to be mounted to a support arrangement and provided with a tilting arrangement for tilting and/or adjusting a force on a tyre, wherein the tilting arrangement is provided with a measuring instrument that is connected to the tilting arrangement, at least configured and measure forces and/or moments on a tyre, a wheel axle supported by the measuring instrument, and at least one actuator for driving the tilting arrangement, wherein the tilting arrangement comprises a foldable construction connected to the at least one actuator.

Abstract: A valve stem with an adjustable tire pressure detector has a tire pressure detector, a valve stem body, a conducting member and a fastening assembly. The tire pressure detector has a guiding slot, a concave surface and a convex surface. The guiding slot is formed through the tire pressure detector and forms two openings. The concave surface and the convex surface are formed on the tire pressure detector respectively adjacent to the openings. The valve stem body is moveably mounted through the guiding slot and has a head being moveably mounted on the concave surface. The conducting member is mounted on the concave surface or the convex surface and is electrically contacted to the valve stem body and the tire pressure detector. The fastening assembly mounts the valve stem body on a rim securely.

Abstract: A valve stem assembly for tire pressure detecting systems has a valve stem, a connector and a tire pressure detector. The valve stem is conductive. The connector is connected coaxially on the valve stem and is conductive and has a connecting section. The connecting section has an adjusting slot and a domical end. The adjusting slot is formed through the connecting section. The tire pressure detector has at least one tab and at least one conducting washer, the at least one tab protrudes from the tire pressure detector, corresponds to and is adjustably mounted on the connecting section. The at least one tab has a tab slot being formed therethrough. A bolt assembly is mounted in the tab slot and the adjusting slot to hold the tire pressure detector on the connector.

Abstract: A device for evaluating a wind tunnel measurement, in which a processor identifies a flow element on an image recorded in the wind tunnel. The identified flow element subsequently may be segmented and further analyzed in order to obtain accurate information about the flow behaviour of an object to be analyzed. In addition, a method, a computer-readable storage medium, a program element, and an arrangement are disclosed.

Abstract: Methods and apparatus for evaluating a formation include conveying a formation evaluation tool in a borehole on a tubular carrier extending from a surface location at least to the formation evaluation tool. A cable is conveyed to the formation evaluation tool and communication between the formation evaluation tool and the cable is established after the formation evaluation tool is moved to a selected borehole location.

Abstract: A method for analyzing properties of fluids contained in a geological formation including the steps of lowering a tool containing a chromatograph down to a location within the geological formation; setting the tool into position; extracting a sample of formation fluid from the location within the geological formation under controlled conditions and directing it into the chromatograph; and analyzing the composition of the formation fluid sample located downhole. The formation fluid sample is delivered to the chromatograph with or without admixture with a solvent. A sampling tool for use in the method forms another aspect of the invention.

Abstract: In one aspect, a method for aligning a component into a wind direction is provided. The component comprises a sensor which is located such that at least part of the sensor is exposed to the wind. A signal is measured based on the force acting on the sensor due to the wind, and the component is rotated depending on the measured signal. Additionally a sensor for determining misalignment of a component relative to a wind direction is provided.

Abstract: The present invention provides an apparatus including: a container that receives urine; and a urine amount measuring device that measures the weight of the urine received by the container; wherein the urine amount measuring device has: a mounting plate, which is a plate on which the container is mounted; a measuring portion that measures the weight of the container mounted on the mounting plate multiple times at given time intervals; and an output portion that outputs a result of the measurement performed by the measuring portion, and the apparatus has a fixing structure that is situated in at least a bottom portion of the container and a mounting face of the mounting plate and that detachably fixes the container on the mounting plate.

Abstract: To provide a highly accurate flow meter. A Flow meter comprising an inflow opening into which a measurement fluid flows, an outflow opening from which a measurement fluid flows, and a flow path connecting the inflow opening and the outflow opening, wherein the flow path is bent at a first bend portion, wherein: a first porous plate is disposed in the first bend portion of the flow path at an angle relative to the direction in which the flow path extends before and after the first bend portion, and a flow sensor for detecting the flow speed or flow volume of a measurement fluid that flows in the flow path, disposed on the inner wall of the flow path on the outflow opening side of the first bend portion.

Abstract: A plug-in sensor for determining an aspirated air mass of an internal combustion engine flowing through a flow pipe has a plug part, which is able to be introduced into the streaming medium with a specified orientation to the main flow direction. Provided in this plug part is at least one flow channel having at least one inlet opening and at least one outlet opening. Accommodated in the at least one flow channel is at least one sensor for determining the at least one parameter. The plug part has a rounded inflow side, which points counter to the main flow direction. The plug part at least partially has an airfoil profile, which is designed such that an asymmetrical flow profile of the fluid medium comes about when the plug part is introduced into the streaming fluid medium.

Abstract: Devices including strip connectors in measurement devices are provided. Also provided are systems, kits and methods.

Abstract: Gas turbines are used for power generation with units in a range of sizes. They serve as power plants for both military and commercial aircraft. Demand is for faster, lighter engines, utilizing more advanced manufacturing processes. One of the means of meeting this goal is through use of longer, thinner, more flexible shafts which operate supercritically. Supercritical operation was once viewed as impractical, however, a number of today's production gas turbines operate in this mode. The shaft manufacturing process is optimal if the shaft balance procedure can be conducted at low speeds, rather than requiring a more expensive and complicated high speed balance process. One embodiment of the present invention includes a systematic process for a low speed balance procedure which, would permits a high speed shaft system to transition through additional critical speeds and operate safely above them.

Abstract: A clocking bar includes a rod and an indicator located along a length of the rod, wherein the indicator has a pair of indication components with a predetermined spacing therebetween. The bar also includes a hole one locator located along the length of the rod, and a rear hole locator located along the length of the rod. The clocking bar is configured to identify a stack bolt hole one from among a plurality of bolt holes on a rotor through use of a relationship between physical features of the rotor.

Abstract: A method for determining a velocity of an object (O), such as a ball, over a span length (SL) extending from a span start (SS) to a span end (SE). An audio signal (AS) is received by a mobile telephone's (MT) microphone (MP). An approximate travel time (TT) for a traversal of the span length (SL) by the object (O) is determined, which act time comprises processing the audio signal (AS) and detecting a first shape (210) and a second shape (212) which respectively correspond to an approximate start time (T1) and approximate end time (T2) of the traversal, and determining the approximate travel time (TT) based on the detected first shape (210) and second shape (212). The object's velocity is determined based on the span length (SL) and approximate travel time (TT).