Abstract: Provided is a replacement necessity determination device for a snap-in valve having an inner end to which an air pressure detection device including an air pressure sensor and an acceleration sensor is coupled. A control device of the replacement necessity determination device is configured to predict an angle change amount of the snap-in valve and the air pressure detection device with respect to a wheel caused by a centrifugal force based on a rotational speed of the wheel and an acceleration detected by the acceleration sensor, calculate a degradation indication value of an elastic body of the snap-in valve based on a maximum value of the angle change amount during a period set in advance, and determine necessity of replacement of the snap-in valve based on an integrated value of the degradation indication value.

Abstract: Systems and methods for determining turbine engine system stability encompass measuring or otherwise determining values of performance parameters, storing a data set of such values in memory, generating a stability indicator, and displaying the stability indicator on an operator interface. The stability indicator is generated by a processor operating in data communication with the computer memory, utilizing customized software algorithms to remove high frequency components, apply an adaptive filter to adjust selected parameters according to a target value of a selected target parameter, and apply a stochastic filters to estimate true values of the selected parameters, based on the remaining variation.

Abstract: A sheet conveying device, which is included in an image forming apparatus, includes first and second sheet conveying bodies to contact each other, a cover to move relative to an apparatus body of the image forming apparatus, and a connecting body to connect the cover and the second sheet conveying body. The second sheet conveying body separates from the first sheet conveying body along with an opening movement of the cover. The connecting body includes a first connecting portion connected to the cover and a second connecting portion connected to the second sheet conveying body. At least one of a connection with the cover and a connection with the second sheet conveying body is released when the cover is closed. The connecting body is brought into connection with the cover or the second sheet conveying body.

Abstract: A method for operating a Coriolis mass flowmeter that has at least one measuring tube with medium flowing through it involves exciting the measuring tube excited to oscillation, detecting the oscillations of the measuring tube and determining the density of the medium. Detection of the state and a change in the state of a Coriolis mass flowmeter is achieved by determining a calibration temperature and a calibration density sensitivity of the Coriolis mass flowmeter using the detected oscillations, at a temperature differing from the calibration temperature, and a density sensitivity of the flowmeter determined using the detected oscillations. A measurement rate of change of the density sensitivity is determined and a forecast rate of change of the density sensitivity is calculated using a forecast algorithm, and at a given deviation of the measurement rate of change from the forecast rate of change rp, a deviation signal is generated.

Abstract: The present invention is related to a triaxial micro-electromechanical gyroscope, comprising: a ring-shaped detection capacitor located at the center; two sets of driving capacitors located at outer sides of the ring-shaped detection capacitor and symmetrically distributed at two sides of an origin along a y-axis; two sets of second detection capacitors located at the outer sides of the ring-shaped detection capacitor respectively and symmetrically distributed at the two sides of the origin along an x-axis; and a linkage part connected with movable polar plates of the driving capacitors, movable polar plates of the second detection capacitors, and an outer edge of ring-shaped upper polar plates of the ring-shaped detection capacitor, respectively. The triaxial micro-electromechanical gyroscope provided by the present invention adopts a single structure design, and integrates capacitive electrostatic driving and differential capacitive detection.

Abstract: A method of screen printing a design on a substrate, the method comprises the steps of controlling a computer-controlled plotter to cut an outline of the design into stencil material the stencil including a perimeter. Then, registering the perimeter of the cut stencil with marks on a printing screen and securing the cut stencil to the printing screen. Then, positioning the printing screen and cut stencil on the substrate and applying ink through the printing screen and stencil onto the substrate, wherein the design is reproduced on the substrate.

Abstract: The present invention relates to a method for diagnosing sticking in a cylinder deactivation apparatus, the method comprising: an intake valve sticking determining step of determining whether the intake valve is stuck closed or stuck open by detecting the amount of variation of intake pressure in each intake manifold cylinders in an operation-off mode of the cylinder deactivation apparatus and comparing the amount of variation with a predetermined value; and an exhaust valve sticking determining step of determining whether the exhaust valve is stuck closed or stuck open by detecting the state of the air-fuel ratio in exhaust gas if it is determined whether the intake valve is stuck closed or stuck open in the intake valve sticking determining step, thereby sensing the stuck closed or the stuck open state of the intake valve and the exhaust valve so as to diagnose failure of the cylinder deactivation apparatus.

Abstract: A controller for a gas turbine engine is disclosed. The controller is configured to measure a first rotational speed of a shaft of the engine at a first end of the shaft and to measure a second rotational speed of the shaft at a second end. The first end may be coupled to a turbine of the engine and the second end may be coupled to a compressor of the engine. The controller is further configured to determine a shaft twist angle as a function of the first rotational speed and the second rotational speed, determine whether the shaft twist angle is within a predetermined shaft health monitoring range, and record the shaft twist angle. The controller may be configured to generate a maintenance alert in response to determining that the shaft twist angle is within the predetermined shaft health monitoring range.

Abstract: In one aspect, the disclosure provides methods of distinguishing a glycosaminoglycan from one or more other components in a sample by subjecting the sample to size-exclusion chromatography using a mobile phase having a pH of 6.8 or lower. A mobile phase having a pH of 6.8 or lower is found to improve the separation of glycosaminoglycans from proteins during size exclusion chromatography. In some embodiments, improved separation is due to the low pH of the mobile phase causing elution of less dispersed fractions of the protein and/or glycosaminoglycan. In some embodiments, the overlap between protein and/or glycosaminoglycan fractions is reduced.

Abstract: A method for monitoring for a surge condition includes detecting a surge condition through vibration signals measured at at least one location in a turbomachine. Detecting a surge condition includes determining a ratio-metric indicator RBR by comparing a blade frequency band ?B to a reference frequency band ?R. Detecting a surge condition includes calculating a surge score SS with the following equation: SS = R BR - R ? R ? wherein R? is a sample mean of a set of ratio-metric indicators and R? is a sample standard deviation of a set of ratio-metric indicators. Detecting a surge condition includes determining whether a surge condition exists based on the surge score.

Abstract: A printing apparatus for printing on continuous plastic food bags, each of the continuous plastic food bags containing a printable area integrated in a plastic foil thereof, includes: a plastic food bag holder for holding the continuous plastic food bags; a plastic food bag guiding mechanism for guiding the continuous plastic food bags from the plastic food bag holder in the direction of a plastic food bag printer, the plastic food bag printer including a printhead for direct thermal printing onto the printable area of each of the continuous plastic food bags; a plastic food bag transporting mechanism for pulling the continuous plastic food bags through the plastic food bag guiding mechanism towards the plastic food bag printer; and a plastic food bag ejector for detaching an individual plastic food bag from the continuous plastic food bags.

Abstract: A circuit comprising a microelectromechanical (MEMS) gyroscope and a gain circuit coupled with the MEMS gyroscope. The gain circuit is configured to receive a digitized drive signal based at least in part on a digitized drive voltage amplitude of the MEMS gyroscope. The gain circuit is also configured to determine a percentage change in quality factor of the MEMS gyroscope based at least in part on the digitized drive signal and a stored trim value of the MEMS gyroscope. The gain circuit is also configured to compensate for an effect of a change in the quality factor of the MEMS gyroscope based at least in part on the percentage change in quality factor.

Abstract: A method for printing on surfaces of three-dimensional objects with a cylindrical or curved surface by means of inkjet print heads includes printing a base color layer onto the three-dimensional object. Then, an upper color layer is printed above the base color layer. The base color layer is printed smaller than the upper color layer. The dimensions of the base color layer are less than the dimensions of the upper color layer in all directions on the surface of the three-dimensional object such that the upper color layer securely covers a margin of the lower base color layer.

Abstract: A phononic travelling wave gyroscope. The gyroscope includes a phononic waveguide including at least one loop. The phase change incurred by phonons propagating around the loop is compared to a reference phase, and utilized to form an estimate of the rotational rate of the gyroscope.

Abstract: A flow measuring device for ascertaining a corrected measured value of a flow velocity and/or a corrected mass flow of a medium, especially a gas, in a measuring tube, including: an apparatus for ascertaining a first measured value of flow velocity and/or mass flow of the medium by thermal, mass flow measurement; an apparatus for ascertaining velocity of sound and/or frequency dependent damping of an acoustic signal, especially an ultrasonic signal, in the medium and/or an apparatus for ascertaining an optical, wavelength dependent absorption of an optical and/or excited fluorescence of the medium, and an evaluation unit for correcting the ascertained first measured value of mass flow or flow velocity based on the ascertained sound velocity values and/or the frequency dependent, ascertained damping values of the acoustic signal and/or the ascertained absorption values of the optical signal and/or the florescence values of the medium, and method for ascertaining a corrected measured value of flow velocity and/

Abstract: The present invention relates to devices, methods, and kits for applying stencil patterns to surfaces, particularly to surfaces made of fabric or fabric-like materials.

Abstract: The present invention is to provide a flexographic printing plate having high ink transferability and making it possible to perform printing with a high ink density in a solid portion, a flexographic printing plate precursor, a method for manufacturing a flexographic printing plate, and a method for manufacturing a flexographic printing plate precursor. A flexographic printing plate of the present invention includes a relief layer including a non-image area and an image area having an uneven structure formed on a surface, in which the uneven structure is composed of recessed portions consisting of a plurality of grooves and projecting portions other than recessed portions, each of the plurality of grooves has a length of at least 30 ?m, all of the plurality of grooves are grooves having a line edge roughness in a range of 0.5 to 2.

Abstract: Disclosed is an apparatus and method for estimating a battery state, the apparatus including a measurement unit for measuring a terminal voltage, a charging/discharging current and a current offset value of a battery, a prediction unit for predicting a state variable and an output variable according to a state equation including SOC and an overpotential of the battery as state variables and includes a terminal voltage of the battery as an output variable, a correction unit for correcting the predicted state variable, a SOC estimation unit for estimating SOC of the battery by means of the corrected state variable, and a control unit for selecting a single state variable to estimate SOC of the battery according to the measured current offset value, so that the SOC estimation unit estimates SOC of the battery by means of the selected state variable.

Abstract: Embodiments of the present invention relate to the calculation of an absolute and relative axial displacement in a steam turbine between a stationary vane row and a rotating blade row steam turbine. This is achieved by using a measurement signal of an outer casing absolute axial expansion sensor, a measurement signal of an inner to outer casing differential axial expansion sensor and a measurement signal for a rotor to outer casing differential axial expansion sensor.

Abstract: A system or machine is disclosed which takes pre-stretched emulsion coated screens, digitally prints thereon and exposes them before further processing and use in a screen printing machine.