Entries |
Document | Title | Date |
20080243401 | Apparatus and method for use in computational fluid dynamics - An apparatus includes a parallel computation unit including an input port and an output port and a one-dimensional computational fluid dynamics model. The input port is configured to sample at a time t | 10-02-2008 |
20080270046 | PRESSURE MEASUREMENT INSTRUMENT AND METHOD - A measurement instrument having a processor, a first sensor and a second sensor. The processor is adapted to output a measurement signal embodying a measurement of a physical quantity. The first sensor and second sensor are connected to the processor and are operable to generate respectively first and second measurements of the physical quantity. The processor defines a first measurement range within which the measurement signal is dependent on the first measurement and not the second measurement. The processor defines a second measurement range within which the measurement signal is dependent on the second measurement and not the first measurement. The first and second ranges meet at a predetermined transition. The first and second measurements are different at the transition and the measurement embodied in the measurement signal crosses the transition without an abrupt change. | 10-30-2008 |
20080270047 | Method and Apparatus for Analyzing Steam Trap Data - A system for analyzing steam trap data includes a steam trap monitoring device operable to monitor a parameter of a steam trap, transform the parameter into data, and transmit the data to a computer; and includes a computer operable to receive the data, the computer including an algorithm for evaluating the data. A method of analyzing steam trap data includes the steps of: providing a steam trap monitoring device operable to monitor a parameter of a steam trap, transform the parameter into data, and transmit data to a computer, and providing a computer operable to receive the data, the computer including an algorithm for evaluating the data; using the steam trap monitoring device to monitor a parameter of a steam trap, transform the parameter into data, and transmit the data to the computer; and using the computer to receive the data, and evaluate the data with the algorithm. | 10-30-2008 |
20080319687 | REMAINING GAS AMOUNT CALCULATING DEVICE - A remaining gas amount calculating device includes a hydrogen tank, an opening/closing valve arranged to deliver hydrogen gas from inside the hydrogen tank, a decompression valve arranged to decompress hydrogen gas delivered from the hydrogen tank, a pressure sensor arranged to measure the pressure of hydrogen gas decompressed with the decompression valve, and a power source system controller arranged to determine the remaining gas amount in the hydrogen tank by calculating the gas pressure in the hydrogen tank based on the hydrogen gas pressure measured with the pressure sensor. The relationship between pressures in a primary chamber and a secondary chamber of the decompression valve is monotonical such that when the pressure in the primary chamber increases, the pressure in the secondary chamber also increases; and when the pressure in the primary chamber decreases, the pressure in the secondary chamber also decreases. The remaining gas amount calculating device makes it possible to calculate the amount of gas remaining in a gas container without using a gas pressure measuring device that measures directly the pressure in the gas container. | 12-25-2008 |
20090018784 | METHOD OF ESTIMATION OF THE PRESSURE DROP BETWEEN TWO SECTIONS OF THE EXHAUST LINE OF AN INTERNAL COMBUSTION ENGINE - A method is provided for estimating a pressure drop (Δp) between two sections of an exhaust line of an engine, such as a diesel engine. The method includes, but is not limited to the steps of measuring a fresh air flow rate ({dot over (m)} | 01-15-2009 |
20090070049 | METHOD FOR MONITORING A FLUID TRANSFER PROCESS - The present invention relates to a method for monitoring a fluid transfer process, including the steps: providing an allowable pressure profile; detecting a pressure occurring in the course of the fluid transfer process; comparing detected pressure with the allowable pressure profile and signaling an error, if the detected pressure is not within the allowable pressure profile. The allowable pressure profile is defined by interpolation points, the interpolation points being based on a probability function representing a family of pressure courses of a plurality of fluid transfer processes. The allowable pressure profile can be divided into at least two distinct process sections, each section corresponding to a distinct process phase of the fluid transfer process. The probability function is calculated from a family of test pressure curves and reflects the statistical behavior of the pipette system. The present invention further relates to a computer readable medium for storing interpolation point information as well as to a kit-of-parts comprising a device implementing the inventive method, together with a computer readable medium for storing interpolation point information. | 03-12-2009 |
20090157330 | METHOD FOR MONITORING AN ARRANGEMENT FOR DETERMINING THE CONCENTRATION OF AN ANALYTE IN A BODY FLUID - The invention relates to a method for monitoring an arrangement for determining a concentration of an analyte in a body fluid. The determination of the concentration of the analyte by means of the arrangement involves a procedure in which the analyte from the body fluid passes through an interface and is transported in a stream of liquid into a flowmeter chamber, in which a measurement is carried out to determine the concentration of the analyte. The evaluation of the measurement takes place in a signal processor. The monitoring of the arrangement comprises the following steps: measurement of measured values of at least two correlated system parameters of the arrangement by means of a sensor system, and comparison of the measured values with limit values stored for each of the system parameters in a storage unit, to obtain a combination of at least two comparison results. | 06-18-2009 |
20090192732 | PROCEDURE FOR DIAGNOSING A METERING VALVE OF AN EXHAUST GAS TREATMENT DEVICE AND DEVICE FOR IMPLEMENTING THE PROCEDURE - Suggested are a procedure for diagnosing a metering valve ( | 07-30-2009 |
20090216465 | SYSTEM FOR MEASURING VISCOSITY - A system for determining a viscosity of a fluid is provided. The system includes an intake chamber, a tube, a piston, an actuator, a sensor, and a processor. The tube communicates with the intake chamber and includes a channel including a cylindrical portion with a constant diameter cross section. The piston is mounted in the intake chamber. The actuator is configured to move the piston within the intake chamber at a constant speed during a time window to regulate a fluid in the cylindrical portion. The sensor is configured to measure a pressure a plurality of times during the time window to define a plurality of pressure measurements. The processor is configured to receive the defined plurality of pressure measurements, to determine a slope associated with the received plurality of pressure measurements, and to determine a viscosity of the fluid based on the determined slope. | 08-27-2009 |
20090240446 | Flow Assurance Monitoring - In one oil production operation, a fluid conduit transports a fluid from a wellhead to a floating production platform. To prevent an occurrence of formations that obstruct the flow of fluid in the fluid conduit, a forecast is made as to whether a flow assurance curve will intersect an operating curve of the fluid conduit. In the event that the operating curve and the flow assurance curve will intersect, the appropriate personnel may be alerted so that they may attempt to prevent the hydrate forming conditions from occurring in the pipe. Which personnel are alerted may be based on a level of criticality. The level of criticality may be based on an estimated time period remaining until the flow assurance curve and the operating curve will intersect. | 09-24-2009 |
20090271129 | METHOD, APPARATUS AND SYSTEM FOR CHARACTERIZING TWO PHASE FLUID FLOW IN AN INJECTION WELL - A method and corresponding system is provided for determining fluid properties of a two phase fluid flowing through various portions of a wellbore. Specifically, the method and corresponding system determines fluid properties (e.g. enthalpy flux) of the two phase fluid flowing upstream of the injector portion of the wellbore as well as fluid properties (e.g., mass flow rate and enthalpy flux) of the two phase fluid at various measurement locations along the injector. | 10-29-2009 |
20090299658 | SENSOR PROCESSING METHOD - A pressure sensor and method wherein a resonant pressure transducer has a frequency F which changed depending on the applied pressure P and the temperature T. A temperature sensor measures the temperature T. A memory includes stored therein data points corresponding to the sensor's frequency F at difference applied pressures and temperatures. A processor is configured to generate several polynomials from the data points and calculate Pμ at Tμ when the transducer frequency is Fμ. | 12-03-2009 |
20090312964 | SYSTEM, PROGRAM PRODUCT, AND RELATED METHODS FOR ESTIMATING AND MANAGING CRUDE GRAVITY IN FLOWLINES IN REAL-TIME - Systems, program product, and methods to estimate and manage flowing fluid characteristics of a fluid stream flowing through a pipeline in real-time, are provided. A system can include a vertically oriented extent of a pipeline for transporting crude oil, a pair of spaced vertically apart sensors or sensor assemblies connected to the vertically oriented extent to obtain pressure and temperature readings of the crude oil, a controller in communication with the pair of sensors or sensor assemblies, and crude oil analysis and management program product stored in the memory of the controller and adapted to determine or estimate density, specific gravity, and API gravity of the crude oil to thereby manage flowing fluid characteristics of the crude oil. | 12-17-2009 |
20100036619 | OIL SAMPLE ANALYSIS CALCULATOR AND METHOD OF USING THE SAME - In an oil sample analysis calculator ( | 02-11-2010 |
20100042339 | FLUIDIC ANALYSIS DEVICE FOR DETERMINING CHARACTERISTICS OF A FLUID - A fluidic analysis device includes a small plate ( | 02-18-2010 |
20100088046 | METHOD FOR DETERMINING REFRIGERANT CHARGE - A method for determining the adequacy of the refrigerant charge in an air conditioning system based upon both the instantaneous degree of subcooling present in the liquid refrigerant in the refrigerant line at a location whereat only liquid refrigerant is present and a calculated average subcooling value based upon accumulated instantaneous subcooling values. The adequacy of the refrigerant charge in the system may be indicated by an alert indicating “check charge” or by a series of lights including a first indicator light indicating that the refrigerant charge is low, a second indicator light indicating that the refrigerant charge is high, and a third indicator light indicating that the refrigerant charge is correct. | 04-08-2010 |
20100094571 | RF INTEGRATED CIRCUIT HAVING AN ON-CHIP PRESSURE SENSING CIRCUIT - An integrated circuit includes a on-chip pressure sensing circuit that generates a pressure signal based on a pressure of the integrated circuit. A processing module, generates a control signal based on the pressure signal. An RF transceiver generates an outbound RF signal from outbound data and to generate inbound data from an inbound RF signal, based on the control signal. | 04-15-2010 |
20100100339 | APPARATUS AND METHOD FOR COMPARING GAS PRESSURE MEASUREMENTS - Singular sealed apparatus and method suitable for confirming pressure measurements in a rebreather prior to use of the rebreather. The singular sealed apparatus may have a canister lid, gas sensors and a processor, all from a rebreather, as well as a pressure sensor, an input device, a processor, an indicator and a pod with a pressure measurement outlet, a gas supply inlet, a relief valve and a gas exit valve. Alternatively, the singular sealed apparatus may have a gas sensor from a rebreather and an analyzer, a pressure sensor, an input device, a processor, an indicator, a lid and a pod with a pressure measurement outlet, a gas supply inlet, a relief valve and a gas exit valve. | 04-22-2010 |
20100114506 | METHOD AND APPARATUS FOR DETERMINING CAPILLARY PRESSURES IN A THREE PHASE FLUID RESERVOIR - A method of determining capillary pressures in a fluid reservoir comprising three phases g, o and w, the reservoir being considered as comprising a plurality of gridblocks, and the method comprising, for each gridblock of the reservoir: determining six representative two-phase capillary pressures, the representative capillary pressures being weighted based on saturation, and using the weighted representative capillary pressures to determine at least two of the three capillary pressures g-o, o-w and g-w. The three phases g, o and w may be gas, oil and water respectively. The method may comprise using the weighted representative capillary pressures to determine the gas-oil and oil-water capillary pressures. The method may comprise using the weighted representative capillary pressures to determine two of the capillary pressures, and implying the other capillary pressure from the two capillary pressures determined using the weighted representative capillary pressures. Normalized gridblock saturations may be used. The representative capillary pressures may be weighted as follows: | 05-06-2010 |
20100121583 | METHOD FOR MEASUREMENT OF IN-SITU VISCOSITY - A method for measuring in-situ the viscosity of a fluid within a vessel using an apparatus using a motor driven impeller paddle immersed in the fluid. A chemical or biological agent is added to the fluid. The impeller paddle is rotated and the rotational positions of impeller drive shaft and the paddle are sensed. The rotational speed of the shaft is determined and the deflection angle of the impeller paddle relative to the shaft is determined. The viscosity of the fluid is determined by a computer from a look up table containing deflection angle for fluids of known viscosities. The measurements are periodically repeated for a predetermined number of iterations to determine the change in viscosity caused by reaction of the fluid with the chemical or biological agent and the results are reported to a user. | 05-13-2010 |
20100125425 | METHOD AND SYSTEM FOR DETECTION AND COMPENSATION OF A RAPID TEMPERATURE CHANGE ON A PRESSURE MEASUREMENT CELL - The invention is a method and system for detection and compensation of a rapid change in temperature on a pressure measurement cell, in which a measurement signal proportional to the deflection of a diaphragm is generated by means of a sensor. A reference signal proportional to the deflection of the diaphragm is generated by a second sensor; and, measured values are generated by a microprocessor from the measurement signal while the respective reference values are generated from the reference signal. The reference values are compared with the expected values from a tolerance band, and either a pressure-induced deflection of the diaphragm is detected when there is a correspondence, and the measured values are output as measured values for the measured pressure; or, if there is not a correspondence, a deflection of the diaphragm due to a rapid change in temperature is detected, the measured values are corrected and output. | 05-20-2010 |
20100131213 | ELECTRONIC PRESSURE GAUGE FOR MEASURING PRESSURE - The invention relates to an electronic pressure gauge for measuring the pressure (P) inside a container, particularly a pressurised gas cylinder, said pressure gauge ( | 05-27-2010 |
20100138171 | PRESSURE SENSING METHOD AND SYSTEM FOR FLEXIBLE AERODYNAMIC SURFACES - An apparatus for measuring aerodynamic performance is provided, including a batten; a plurality of pressure differential sensors positioned on the batten, each of the sensors having a first port for exposure to a first pressure and a second port for exposure to a second pressure; and a plenum positioned so that each of the first ports is exposed to a pressure within the plenum. The batten is positioned on a sail. The sensors may be in communication with a computer and the sensors may be networked in an asymmetric daisy chain network for uplink communications from the computer and networked in parallel as a bus for downlink communications to the computer. | 06-03-2010 |
20100138172 | GAS PRESSURE SPRING WITH MEASUREMENT MEANS AND DEVICE AND METHOD FOR MONITORING AT LEAST ONE PHYSICAL MEASUREMENT WHICH OCCURS INSIDE AND/OR AT A GAS PRESSURE SPRING - A gas pressure spring ( | 06-03-2010 |
20100145637 | METHOD FOR PROCESSING A PRESSURE SIGNAL AND CORRESPONDING DEVICE - A method, and corresponding device, for processing a pressure signal from a pressure sensor mounted in a combustion chamber to detect a combustion in an internal combustion engine. The method provides a pressure signal; filters the pressure signal with a filtration mechanism having a variable gain; generates an output signal representative of the filtered pressure signal; generates a signal representative of the error between the pressure signal and the output signal; and determines if the combustion has occurred during an expansion phase of the thermodynamic cycle. | 06-10-2010 |
20100191483 | METHOD, SYSTEM AND COMPUTER PROGRAM FOR ESTIMATION OF THE PRESSURE - The invention is directed to a system, a method and a computer program including program code for carrying out the method, when executed on a processing system, of estimating a tire pressure deviation of a vehicle's tire ( | 07-29-2010 |
20100217541 | INTEGRATED APPARATUS FOR MEASURING STATIC PRESSURE - An apparatus for measuring a static pressure inside a component is provided. The apparatus includes a housing coupled to the component, the housing includes a moveable component disposed therein, the moveable component operably extendable into the component and retractable from the component in response to the static pressure inside the component: and a sensor disposed in the housing and thermally protected from fluids inside the component, the sensor is configured to enable the determination of the static pressure inside the component. | 08-26-2010 |
20100217542 | APPARATUS, METHOD, AND PROGRAM FOR DETECTING ROTATION SPEED INFORMATION, AND APPARATUS, METHOD, AND, PROGRAM FOR DETECTING TIRE HAVING DECREASED PRESSURE - A rotation speed information detection apparatus, including: a wheel sensor for detecting passage of teeth of a gear provided in association with tires of a vehicle; a number-of-teeth calculation means for calculating the number of teeth of the gear passed per a sampling cycle set in advance; and a wheel speed calculation means for regularly calculating rotation speed information of the tire with using the number of teeth calculated. The number-of-teeth calculation means is configured to use a ratio between time information at the point and a remaining time until the time at which the next sampling cycle is started is reached to thereby calculate the number of remaining teeth to calculate the number of teeth passed during the sampling cycle. The wheel speed calculation means is configured to calculate tire rotation speed information based on an interval between neighboring teeth in the gear, the number of teeth passed during the sampling cycle, the number of remaining teeth calculated by the number-of-teeth-calculation means, and the sampling cycle. | 08-26-2010 |
20100228503 | Programmable Electronic Pressure Switch with Display - An electronic pressure switch is described comprising an external body ( | 09-09-2010 |
20100228504 | PLANAR ELONGATIONAL VISCOSITY MEASURING METHOD AND PLANAR ELONGATIONAL VISCOSITY MEASURING APPARATUS - A planar elongational viscosity measuring method and apparatus which can advance analysis of planar elongational viscosities for high-viscosity and low-viscosity fluids. As a bomb-shell like bob | 09-09-2010 |
20100228505 | METHOD FOR DETERMINING A CONDITION INDICATOR OF A WATER ANALYSIS APPARATUS - A method for determining a condition indicator of a water analysis apparatus includes determining a respective parameter value for each of at least two different technical parameters of the water analysis apparatus. A respective deviation value of each of the parameter values is determined with respect to an associated respective parameter reference value for each of the technical parameters. A respective deviation relevance value from each of the deviation values is determined using a respective parameter-specific deviation relevance function for each of the parameter values, the parameter-specific deviation relevance functions being different from each other. Using an indicator function, a condition indicator is calculated from the determined deviation relevance values. | 09-09-2010 |
20100250156 | DETERMINATION OF END OF LIFE OF OIL BY ELECTRICAL MEANS - Electrical measures of resistivity and permittivity of engine lubricating oil are gathered continuously under normal vehicle engine operating conditions and combined into a composite parameter, the aggregated electrical measure, which, is indicative of engine oil condition and when plotted over the useful life of the oil displays a first linear slope anticipatory of the end of oil life followed by a second, steeper slope indicative of the end of oil life. An algorithm, implementable in an on-vehicle computer, to reliably detect these features is described. | 09-30-2010 |
20100268488 | Methods and Apparatus for Determining the Permeability and Diffusivity of a Porous Solid - Apparatus for measuring the permeability and diffusivity of a porous solid comprising: a permeability measuring means for measuring permeability of the solid; a diffusivity measuring means for measuring diffusivity of the solid; a sample chamber for holding a sample of the solid, the arrangement being such that the permeability and diffusivity can be measured without removing the sample from the sample chamber. | 10-21-2010 |
20100274504 | FLUID ANALYSIS METHOD AND FLUID ANALYSIS DEVICE - There is provided a fluid analysis method and its device which are capable of easily analyzing a normal stress difference of a low-viscosity fluid in addition to that of a high-viscosity fluid. A shearing fluidity is applied to a non-Newtonian fluid within a lateral-side gap by pushing a cylindrical bob into a container. At that time, reactive force applied to the cylindrical bob is measured. Then, by practicing an arithmetic process in a given form using the reactive force and each of conditions input by a user, the normal stress difference of the low-viscosity non-Newtonian fluid which is hard to form in a solid state can be certainly determined. Thus, with respect to the low-viscosity non-Newtonian fluid in addition to the high-viscosity non-Newtonian fluid, the normal stress difference can be easily analyzed. | 10-28-2010 |
20100280767 | Optical Air Data Systems And Methods - A method for remotely sensing air outside a moving aircraft includes generating laser radiation within a swept frequency range. A portion of the laser radiation is projected from the aircraft into the air to induce scattered laser radiation. Filtered scattered laser radiation, filtered laser radiation, and unfiltered laser radiation are detected. At least one actual ratio is determined from data corresponding to the filtered scattered laser radiation and the unfiltered laser radiation. One or more air parameters are determined by correlating the actual ratio to at least one reference ratio. | 11-04-2010 |
20100280768 | FAIL SAFE MULTI-SENSOR COMPONENT - A system and method is presented for a multi-sensor component for an HVAC system. The multi-sensor component comprises a sensor assembly, having a temperature detector for measuring a temperature of an object or medium, a presence detector to detect the presence of the object or medium against the sensor, and a pressure detector for measuring a pressure of the medium. The temperature, presence and pressure detectors may also be affixed within a single sensor housing. In a heating mode the multi-sensor component is heated by a heater, and in a cooling mode the multi-sensor component cools toward a temperature of the object or medium, and the temperature detector provides temperature data indicative of a temperature response comprising one of a temperature change, a rate of change and a time constant of a thermal decay rate of the multi-sensor component and the presence of the object or medium. | 11-04-2010 |
20100292941 | PRESSURE SENSOR WITH SENSOR CHARACTERISTIC MEMORY - A pressure sensor includes a memory in which sensor characterization data is stored. | 11-18-2010 |
20100305883 | System and Method for Monitoring and Controlling Pressure Relief Valve Performance - Methods, systems, and programs for monitoring operation of one or more pressure relief valves, each relief valve containing an internal flow passage with a valve seat and valve plug disposed therein. The temperature of a fluid is sensed in the internal flow passage downstream of the valve seat. A valve temperature signal is generated representative of the temperature of the fluid downstream of the valve seat. The valve temperature signal is monitored to detect a rate of change in the temperature of the fluid downstream of the valve seat. The internal pressure of an inlet pressure line is sensed, connected to the internal flow passage upstream of the valve seat. A line pressure signal is generated representative of the internal pressure of the inlet pressure line. The line pressure signal is compared against at least one expected line pressure value to determine a line pressure status. Operational status of the pressure relief valve is determined based at least in part on the detected rate of change of the fluid temperature downstream of the valve seat and at least in part on the determined line pressure status. | 12-02-2010 |
20100305884 | METHODS FOR DETERMINING THE QUANTITY OF PRECURSOR IN AN AMPOULE - Methods of determining an amount of precursor in an ampoule have been provided herein. In some embodiments, a method for determining an amount of solid precursor in an ampoule may include determining a first pressure in an ampoule having a first volume partially filled with a solid precursor; flowing an amount of a first gas into the ampoule to establish a second pressure in the ampoule; determining a remaining portion of the first volume based on a relationship between the first pressure, the second pressure, and the amount of the first gas flowed into the ampoule; and determining the amount of solid precursor in the ampoule based on the first volume and the remaining portion of the first volume. | 12-02-2010 |
20100312501 | DETECTING DEVICE FOR FUEL INJECTOR - A detecting device for a fuel injector includes a sensor unit and an ECU. The sensor unit is provided with a fuel pressure detection circuit which outputs a pressure detection signal in response to a fuel pressure. The ECU computes the fuel pressure based on a voltage value of the pressure detection signal relative to a reference voltage. The ECU obtains a comparative voltage according to an applied-voltage to the fuel pressure detection circuit and computes a deviation between the comparative voltage and the reference voltage. The sensor unit adjusts the applied-voltage in such a manner as to decrease the deviation. Thus, the computation accuracy of the fuel pressure is improved. | 12-09-2010 |
20100332155 | MICROELECTROMECHANICAL VISCOSITY MEASUREMENT DEVICES AND METHODS THEREOF - A viscosity measurement device includes a flexible membrane, an actuation heating element, and a displacement sensor apparatus. The actuation heating element is on and spaced in from an outer periphery of the flexible membrane. The displacement sensor apparatus is coupled to the flexible membrane and measures and outputs a displacement signal representative of a viscosity of a fluid in contact with the flexible membrane | 12-30-2010 |
20100332156 | MEASUREMENT INSTRUMENT - One A/D converter and the other A/D converter have a common power supply voltage and sample an A/D conversion value at short time intervals and at a long time intervals, respectively. Both the A/D converter and the A/D converter are set in a constant active state (continuous conversion mode). This allows the total consumption current combining the consumption current of the A/D converter and the consumption current of the A/D converter to be constant, so that the power supply voltage is stabilized and a stable A/D conversion value can be obtained from each of the A/D converters. | 12-30-2010 |
20110004424 | DIFFERENTIAL PRESSURE TRANSMITTER - When the damping time constant Dτ is changed to Dτ=0, the sampling period Ts is automatically changed from 100 ms to 50 ms. The sampling time is automatically changed from 60 ms to 30 ms. Thus, when the damping time constant Dτ is changed to Dτ=0, a processing unit samples an electrical signal corresponding to the pressure difference of a fluid detected by a differential pressure sensor for the sampling time ts=30 ms in every sampling period Ts=50 ms, and finds the measurement value ΔP of the differential pressure by performing a variety of operation processing including a linearization operation and a square root operation on the sampled electrical signal. In the operation processing, the processing unit does not perform a damping operation. | 01-06-2011 |
20110010113 | Pressure gauge calibration method and pressure gauge - This invention relates to a pressure gauge calibration method and a pressure gauge in which a container filled with mixture of saturated vapor and liquid, a contrast table of standard temperature versus saturated vapor properties, and a pressure gauge for measuring temperature and pressure is utilized. In implementation, the temperature sensing unit of the pressure gauge measures the temperature of the saturated vapor and the pressure sensing unit of the pressure gauge measures the pressure of the saturated vapor, then the values obtained are in contrast with the standard temperature versus saturated vapor properties. If error is happened, pressure gauge is adjusted to correct value which is interlinked to the processor to conduct the calibration of reference. In this manner, the pressure gauge calibration can be finished easily and quickly at the installation site. | 01-13-2011 |
20110010114 | CONTACT PRESSURE AND POSITION DETECTING DEVICE AND DETECTING METHOD FOR SAME - A contact pressure and position detecting device includes a first sensing layer, a second sensing layer located on the first sensing layer, and a processor. The first sensing layer includes a number of parallel first pipes, and the second sensing layer includes a number of parallel second pipes perpendicular to the first pipes. Each first pipe includes a first pressure sensor received therein for generating a first electrical signal according to the gas pressure therein. Each second pipe includes a second pressure sensor received therein for generating a second electrical signal according to the gas pressure therein. The processor compares the first electrical signals with a first threshold value, and the second electrical signals with a second threshold value to judge which first pipe and second pipe is pressed, and then obtains the contact position on the detecting device. | 01-13-2011 |
20110022336 | SYSTEM AND METHOD FOR SENSING PRESSURE USING AN INDUCTIVE ELEMENT - Exemplary systems and method are directed to a sensing device, and to a pressure sensing system and method. An exemplary method includes supplying electromagnetic energy to a transducer which is configured to reflect the electromagnetic energy at a ring frequency determined by an inductance of the transducer, wherein the inductance changes in response to compression of the inductive element. The ring frequency of electromagnetic energy reflected by the transducer is correlated to a pressure value. | 01-27-2011 |
20110046901 | METHOD FOR MONITORING THE STATUS OF AN ENERGY RESERVE ACCUMULATOR, PARTICULARLY FOR AN AIRCRAFT - A method of monitoring status of an energy reserve accumulator, connected to a fluid system, includes the following successive operations once the fluid system has stabilized for pressure: measuring a first time taken by the fluid system to progress from a predetermined first pressure to a predetermined second pressure, lower than the predetermined first pressure; measuring a second time taken by the system to progress from a predetermined third pressure, lower than the predetermined second pressure, to a predetermined fourth pressure, lower than the predetermined third pressure; and comparing the first and second times to determine the status of the energy reserve accumulator. Such a method may find use for example in an aircraft. | 02-24-2011 |
20110066389 | Hand Held Refrigeration Gauge - The present invention is a hand held gauge for use with refrigeration systems. The gauge includes a service port connector, a display screen, and user interfacing buttons. The gauge also includes electronic storage of the pressure-to-saturation temperature data for different refrigerants. The gauge allows for the measuring of temperature and pressure of refrigeration systems. After a user inputs a refrigerant type, the gauge uses the pressure and the saturation data to determine the saturation temperature. The saturation temperature is compared to the measured temperature to get the superheat or subcooling. These results may all be displayed on the display screen. | 03-17-2011 |
20110071774 | Pneumatic Energy Harvesting and Monitoring - A method and apparatus for monitoring a pneumatic system. A number of parameters are monitored using a monitoring device connected to the pneumatic system, an energy harvesting unit configured to generate electrical energy from a gas in the pneumatic system, and a controller. The monitoring device comprises a number of sensors configured to detect the number of parameters. The controller is in communication with the number of sensors and the energy harvesting unit and is configured to process measurements for the number of parameters detected by the number of sensors and control operation of the energy harvesting unit. The number of sensors and the controller are powered by the energy harvesting unit. The monitoring device is powered using the electrical energy generated by the energy harvesting unit. | 03-24-2011 |
20110098946 | HYDRAULIC CONTROL SYSTEM MONITORING APPARATUS AND METHOD - A hydraulic control system for operating a subsea blowout preventer includes a surface manifold configured to convey hydraulic power to the blowout preventer, a surface actuation valve hydraulically connected to subsea valves and configured to operate the blowout preventer, and a control system monitoring apparatus. The control system monitoring apparatus includes a surface manifold pressure transducer hydraulically connected to the surface manifold, an electronic readback system, and a surface control line pressure transducer hydraulically connected to the surface end of at least one control hose and the surface actuation valve. The control system monitoring apparatus is configured to read, record, and process pressure data supplied by the surface manifold and surface control line pressure transducers. | 04-28-2011 |
20110106464 | TIRE PRESSURE MONITORING SYSTEM FOR MOTORCYCLES - A tire pressure monitoring system for a motorcycle includes a tire valve stem mounted tire pressure gauge and an externally powerable remote display unit. The pressure gauge includes a pressure sensor, a wake circuit, a processor, and a first radio frequency (RF) module. The remote display unit includes a second RF module and a display. The wake circuit is adapted to activate the processor periodically at a predetermined interval of time and causes the processor to receive an output signal from the pressure sensor. The output of the pressure sensor is indicative of a tire pressure detected by the pressure sensor. The remote display unit is adapted to display the measured tire pressure value without any user input. | 05-05-2011 |
20110106465 | DEVICE AND METHOD FOR DETERMINING A RHEOLOGICAL PROPERTY OF MUCUS - Device and method for determining a rheological property, such as viscosity or threadability, of mucus comprising a housing having a circumferential surface defining an opening for receiving a quantity of the mucus, a probe extending within the housing and having a tip for contacting at least a portion of the quantity of mucus, a displacement mechanism for displacing the tip of the probe with respect to the housing, and a measurement unit for measuring a displacement of the tip of the probe. The device and method are especially suitable for determining the rheological property of mammal cervical mucus for determining female fertility. | 05-05-2011 |
20110112774 | Determination of a Capacity of a Motor Vehicle Hydraulic Pump - A method for determining a lack of capacity of a pump, actuated by an electric motor, of a hydraulic brake system of a motor vehicle comprises the steps of generating a hydraulic pressure in a first brake circuit of the brake system by means of a plurality of pump elements of the pump that are assigned to the first brake circuit, limiting the generated hydraulic pressure to a test pressure and simultaneously acquiring a motor-related parameter, and determining a lack of capacity of at least one of the pump elements on the basis of a comparison of the parameter with a comparison value. | 05-12-2011 |
20110118996 | Die Swell Fertility Apparatus for Humans and Other Mammals: Apparatus and Method - A method and apparatus for assessing fertility in mammalian females comprising sampling cervical-vaginal fluid, measuring one or more of the sample's viscoelastic properties, and evaluating the measurement to determine fertility. Preferable embodiments of the current invention may utilize measurement of the viscoelastic property of die swell ratio, or other viscoelastic properties of cervical-vaginal fluid. | 05-19-2011 |
20110125425 | ON-BOARD METHOD AND SYSTEM FOR MONITORING ONSET OF RAPID OIL OXIDATION AND SLUDGE FORMATION IN ENGINE OILS - In one exemplary embodiment, the state of engine oil degradation is monitored and determined using the size of viscosity hysteresis during heating-cooling cycles. In another exemplary embodiment, the state of engine oil degradation is monitored and determined using the sign of viscosity hysteresis during heating-cooling cycles. In yet another exemplary embodiment, the state of engine oil degradation is monitored and determined using relative viscosity changes hysteresis during heating-cooling cycles. | 05-26-2011 |
20110125426 | Method for Deploying Climate Sensor in Indoor Space and Storage Medium for Storing Thereof - A method for deploying at least one climate sensor in an indoor space includes: several candidate deploy points in the indoor space are obtained. Climate properties at the candidate deploy points are obtained. Deploy-point-number limit is obtained. Available deploy point sets, which conform to the deploy-point-number limit, are generated according to the candidate deploy points. Climate-property differences of the available deploy point sets are calculated according to the climate properties at the candidate deploy points. The climate-property differences of the available deploy point sets are differences between the climate properties at the available deploy point sets and those at the candidate deploy points. A target deploy point set, climate-property difference of which is the least among those of the available deploy point sets, is selected from the available deploy point sets. At least one first climate sensor is deployed at the target deploy point of the target deploy point set. | 05-26-2011 |
20110125427 | METHOD FOR ESTIMATING EXHAUST MANIFOLD PRESSURE - A method is provided for estimating a pressure in an exhaust manifold of an internal combustion engine, the internal combustion engine having a combustion chamber with an associated exhaust valve, the method includes, but is not limited to acquiring pressure values within the combustion chamber during an acquisition period (AP) chosen within the time interval when the exhaust valve is open, and averaging the pressure values to obtain a single pressure value which is representative for the pressure in the exhaust manifold. | 05-26-2011 |
20110130979 | FUEL VISCOSITY DETECTION APPARATUS - An object of the present invention is to estimate a viscosity of a fuel with high accuracy at all times, irrespective, for example, of fuel properties or conditions of deterioration with time. | 06-02-2011 |
20110144928 | Vortex extraction apparatus, method, program storage medium, and display system - A vortex extraction apparatus includes: a first numerical data calculation section calculating, for each vertex of each of voxels into which the inside of a fluid space is split, first numerical data indicating whether the vertex is located inside or outside a vortex region in a fluid; and a text data creation section determining the size of the vortex region around a center line of the vortex based on the first numerical data, and creating text data indicating the center line and the size. The apparatus further includes a polygon count reduction processing section counting the number of polygons defining a surface of the vortex region and each including an isosurface of the first numerical data, and integrating the voxels with new voxels into which the fluid space is roughly split until the number of polygons is not more than a set value, to decimate the first numerical data. | 06-16-2011 |
20110166802 | METHOD AND APPARATUS FOR MEASURING OIL VISCOSITY - Embodiments of a probe for measuring an oil viscosity are provided. In one embodiment, the probe includes a housing, a magnetoelastic ribbon, an electromagnetic coil, a temperature sensor and an electrical board. The housing is mounted to an oil containing member. The magnetoelastic ribbon is fixed to an inside of the housing through a first insert member at one end and is at least partially immersed in the oil at an opposite end. The electromagnetic coil is disposed in the housing to surround the magnetoelastic ribbon. The temperature sensor is mounted to the housing for measuring a temperature of the oil. The electrical board is electrically connected to the electromagnetic coil and the temperature sensor. | 07-07-2011 |
20110166803 | METHOD FOR DETERMINING AN OVER-PRESSURE IN A FUEL STORAGE MEANS OF AN INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE - A method for determining an overpressure in a fuel reservoir of an injection system of an internal combustion engine, in particular in a common rail of a common rail system, the pressure in the fuel reservoir being sensed, an overpressure in the fuel reservoir being identified if the derivative of the sensed pressure over time exceeds a predetermined slope threshold value and the sensed pressure then exceeds a predetermined pressure threshold value. | 07-07-2011 |
20110178736 | Hydrostatic Pressure Testing System and Method - A hydrostatic pressure testing system for hydrostatic pressure testing of pipe or other vessels. A control center may include a computer program that monitors, records, and controls the system during testing. A test fluid assembly may include a fill conduit capable of providing a test fluid to an inlet section of a vessel to be tested in response to a command from the computer program. A pressure-release safety assembly may have a vent conduit in fluid communication between an outlet section of the vessel and a safety valve. The safety valve may be in fluid communication with a bleed tank for storing an outlet flow of test fluid from the vessel. The safety valve is actuated to relieve fluid pressure in the vessel in response to a selective condition. A method of using the system to conduct hydrostatic pressure testing is also described. | 07-21-2011 |
20110184669 | DEVICE AND METHOD FOR ASSISTING INFLATION - The invention relates to a method for aiding inflation for a vehicle, comprising access to vehicle tire pressure ( | 07-28-2011 |
20110191039 | SHOCK WAVE GENERATOR FOR BIOMEDICAL STUDIES - A process of measuring blast shock includes exposing a shock model to an output of a shockwave generator. The propagation of the output is sensed with a sensor platform to generate sensor wave propagation data. The data recorded by the sensor platform is analyzed to measure the blast shock. The blast shock alone or as a component of a cumulative blast exposure can be correlated with an injury metric. A system for measuring cumulative blast shock is provided that includes a sensor platform and an algorithm operating on a microprocessor for analyzing the data recorded by the sensor platform to measure the cumulative blast exposure to injury metrics. | 08-04-2011 |
20110202291 | AIRCRAFT DYNAMIC PRESSURE ESTIMATION SYSTEM AND METHOD - Methods and apparatus are provided for estimating aircraft dynamic pressure. The load on the flight control surface actuator that is coupled to a flight control surface is measured. An estimate of the aircraft dynamic pressure is calculated from the measured load. | 08-18-2011 |
20110231116 | DETERMINING EFFECTS OF TURBINE BLADES ON FLUID MOTION - Disclosed is a technique for simulating wind interaction with wind turbines. A turbine blade is divided into radial sections. The effect that each of these radial sections has on the velocities in Eulerian computational cells they overlap is determined. The effect is determined using Lagrangian techniques such that the calculations need not include wind components in the radial direction. A force on each radial section of turbine blade is determined. This force depends on the axial and azimuthal components of the fluid flow in the computational cell and the geometric properties of the turbine blade. The force on the turbine blade is fed back to effect the fluid flow in the computational cell for the next time step. | 09-22-2011 |
20110238334 | ARRANGEMENT RELATED TO A GAS SENSOR - A gas-sensor related arrangement and more specifically an arrangement which, for its function, utilizes a first light-generating element, a second light-receiving element, and a third element for forming and defining an optical measuring distance between the first and second elements through a gas sample, as well as a control unit, with associated calculating circuits. More specifically, a unit is to be allotted to a plurality of first electric connector devices or elements. The connector devices are adapted and distributed along a first surface portion of the unit for an electric connecting possibility to other electric connector devices or elements related to a carrier, such as a printed circuit card or board, for the unit. The first and second elements are to be closely related to each other within a discrete unit as a first and a second surface section. The discrete unit is shaped and dimensioned so as to exhibit a small thermal mass. The entire, or at least a part, of a memory circuit, the entire, or at least a part, of the control unit, with all or chosen associated calculating circuits, are to be coordinated in the discrete unit and to be, over an internal wiring coordinated with the discrete unit, connected to chosen first electric connector devices. | 09-29-2011 |
20110246099 | Method and apparatus for the measurement of the mass fraction of water in oil-water mixtures - An apparatus for measuring the mass fractions of water and oil in a flowing mixture of oil and water through a pipe includes a sensor portion that measures sound velocity and temperature of the flowing oil water mixture at a first time and at a second time. The apparatus includes a temperature changer in thermal communication with the flowing fluid which changes the temperature of the flowing oil water mixture by a measurable amount between the first time and the second time. A method for measuring water mass fraction in a flowing mixture of oil and water through a pipe includes the steps of measuring sound velocity and temperature of the flowing oil water mixture at a first time with a sensor portion. There is the step of changing the temperature of the flowing oil water mixture by a measurable amount with a temperature changer in thermal communication with the flowing fluid. There is the step of measuring sound velocity and temperature of the flowing oil water mixture at a second time with the sensor portion. | 10-06-2011 |
20110246100 | SYSTEM AND METHOD FOR IDENTIFYING FLUIDS AND MONITORING FLUID QUALITY IN A VESSEL - Methods and systems are disclosed for using time domain reflectometry to determine the identity of a fluid in a vessel, and to determine whether the quality of a fluid in a vessel is within acceptable parameters. Methods include identifying a fluid by comparing a derived characteristic of a fluid to a reference characteristic, determining the quality of a fluid by determining if a derived characteristic is within an acceptable quality range, monitoring a fluid for a dynamic change in quality or state, and identifying a fluid by comparing a transition reflection waveform to a reference signature transition. The methods are implemented in systems for identifying a fluid layer in a vessel, such as fuel, free liquid water or ice, detecting misfueling or fuel contamination, and detecting fluid state changes, such as the formation of ice. | 10-06-2011 |
20110246101 | TIRE CONDITION MONITORING METHOD AND TIRE CONDITION MONITORING SYSTEM - A tire condition monitoring method and a monitoring system having a simple configuration and that can process data with a high degree of reliability. The method or system determines at a sensor module whether a measured value from a sensor satisfies a preset condition. If determined that the measured value does not satisfy the preset condition, at least one flag is set in the data packet to be transmitted from the sensor module. If, at the receiver, it is determined that the measured value of the received data does not to satisfy a preset condition, whether a flag is included in the received data is determined. If it is determined that the received data includes a flag, the received data is used, and if it is determined that a flag is not included, the received data is discarded. | 10-06-2011 |
20110257907 | PRESSURE-BASED TEMPERATURE ESTIMATION FOR IMPLANTABLE FLUID DELIVERY DEVICES - A number of parameters related to the operation of a fluid delivery device are determined based on a pressure within the device sensed using a pressure sensor. In one example, the volume of therapeutic fluid added to or removed from a reservoir of a fluid delivery device is determined based on a sensed pressure of the reservoir. In another example, the volume of therapeutic fluid added to or removed from the reservoir is determined based on a sensed pressure of a refill port assembly of the device. In another example, an initial temperature of the reservoir as a therapeutic fluid is removed from the reservoir is estimated based on a sensed pressure within the device. In another example, a temperature of a therapeutic fluid added to the reservoir is estimated based on a sensed pressure within the device. | 10-20-2011 |
20110257908 | AUTOMATIC ANALYZER - An automatic analyzer, capable of obtaining analysis results using reaction liquids with absorbance appropriate for analysis processing, is provided. To that end, the analyzer includes: a standard deviation calculating section for calculating a standard deviation of absorbances of a reaction liquid, measured by a photometry section at any one time a reaction container passes through the photometry section, every time the reaction container passes through the photometry section; a standard deviation judging section for judging whether each standard deviation calculated by the standard deviation calculating section is smaller than a threshold set based on a standard deviation of absorbances of a homogeneously-stirred reaction liquid; and an absorbance determining section for determining any of average values of a plurality of absorbances with a standard deviation judged smaller than the threshold by the standard deviation judging section, calculated by the average value calculating section, as absorbance for sample analysis. | 10-20-2011 |
20110264386 | RHEOMETER FOR HIGH-VISCOSITY MATERIALS - The invention relates to a rheometer ( | 10-27-2011 |
20110282597 | METHOD FOR DETERMINING A VISCOSITY PARAMETER OF A MOTOR OIL AS WELL AS A CONTROL DEVICE FOR AN ELECTRONIC ENGINE CONTROL - A method for determining a viscosity parameter of a motor oil in an internal combustion engine, wherein a plurality of operating parameters characterizing an operating state of the internal combustion engine are detected and/or determined for an electronic engine control. Several parameters allowing at least a rough prediction on the viscosity of the motor oil are each evaluated for an individual prediction on the viscosity of the motor oil at different times from these operating parameters, and changes in the individual predictions for comparable working points of the internal combustion engine relative to a state of new motor oil are detected. The viscosity parameter is determined from the changes in the several individual predictions. A corresponding control device for the electronic engine control is also provided. | 11-17-2011 |
20110295526 | Method for Determining a Change of Vortex Geometry - The invention relates to an approximation method for determining a change in vortex geometry at a rotor consisting of several rotor blades, where the rotor is located above the fuselage, with the steps:
| 12-01-2011 |
20110301879 | Pressure sensor, valve assembly and method for their operation - A pressure sensor ( | 12-08-2011 |
20110301880 | Bushing Diagnosis - A method and a device for diagnosing the status of an electrical apparatus having a sealed fluid based insulating system. The device includes at least one input for receiving measurements of a current running through the apparatus and measurements of an actual apparatus fluid pressure as well as a diagnosing unit. The diagnosing unit determines a corresponding theoretical apparatus fluid pressure based on the measured current, compares the actual apparatus fluid pressure with the theoretical apparatus fluid pressure and diagnoses the status of the apparatus based on the comparison. | 12-08-2011 |
20110301881 | System and Method for Monitoring and Controlling Pressure Relief Valve Performance - Techniques for monitoring operation of a relief valve containing an internal flow passage with a valve seat and valve plug disposed therein. The temperature of a fluid is sensed in the internal flow passage downstream of the seat. A valve temperature signal is generated representative of the temperature. The valve temperature signal is monitored to detect a rate of change in the temperature. The internal pressure of an inlet pressure line is sensed, connected to the internal flow passage upstream of the valve seat. A line pressure signal is generated representative of the internal pressure. The line pressure signal is compared against at least one expected line pressure value to determine a line pressure status. Operational status of the pressure relief valve is determined based at least in part on the detected rate of change of the fluid temperature and at least in part on the determined line pressure status. | 12-08-2011 |
20110313688 | METHOD AND DEVICE FOR MONITORING A PASTEURIZATION INSTALLATION - A method for monitoring the function of a pasteurization installation, and to a pasteurization installation having a device for monitoring the function, providing a quick and simple way of detecting malfunctions. For this purpose, a theoretical expected value of the resource consumption, in particular of the energy and/or water consumption, is calculated, the actual value is determined and from a deviation between the expected value and the actual value a malfunction of the pasteurization installation is concluded. | 12-22-2011 |
20110320142 | TEMPERATURE INDEPENDENT PRESSURE SENSOR AND ASSOCIATED METHODS THEREOF - A temperature independent pressure sensor for selectively determining pressure is provided. The sensor comprises a resonance sensor circuit, a pressure sensitive component disposed on the sensor circuit, and an electromagnetic field modulator. A temperature independent pressure sensor system comprises a resonance sensor circuit, a pressure sensitive component disposed on the sensor circuit, an electromagnetic field modulator, and a processor that generates a multivariate analysis of sensor response pattern that is based on a change in an environmental pressure of the sensor system. A method of detecting a pressure response pattern in a temperature independent manner is also provided. | 12-29-2011 |
20120004866 | NON INTERRUPTING ON-LINE WATER DISTRIBUTION PRESSURE MONITORING SYSTEM FOR COMPRESSION TYPE WET AND DRY BARREL FIRE HYDRANTS - A non interrupting on-line water distribution pressure monitoring system for a dry barrel fire hydrant includes an upper portion or the head and a lower portion or the barrel having an opening. A water flow control mechanism mounted at the opening of the lower portion of the barrel for controlling the water flowing through the barrel. An operating rod for activating the water flow control mechanism having an upper operating rod and a lower operating rod extends through the barrel between the upper and lower portions. The upper operating rod is secured to the head and the bottom of the lower operating rod is secured through the water flow control mechanism to extend beyond the lower portion of the barrel. A water pressure measuring device is housed within the bottom of the lower operating rod and extending beyond the bottom of the lower operating rod. A communication mechanism is positioned remotely from the dry barrel fire hydrant for receipt, collection and distribution of information collected from the water pressure measuring device. | 01-05-2012 |
20120016603 | PRESSURE SCANNER ASSEMBLIES HAVING REPLACEABLE SENSOR PLATES - A pressure scanner assembly having at least one replaceable sensor plate, wherein each of the replaceable sensor plates has at least one pressure sensor adapted to transmit a signal substantially indicative of a sensed pressure condition. A memory chip, which stores correction coefficients for each of the pressure sensor to compensate for thermal errors, may be installed on each of the replaceable sensor plates. The signals from the pressure sensors are multiplexed and may be outputted in analog or digital form. The pressure scanner assemblies described herein have sensor plates that can be interchanged with other sensor plates of the same or different pressure range without disrupting the electronic configuration of the pressure scanner assembly or having to recalibrate and/or update the memory chip installed thereon. | 01-19-2012 |
20120022805 | MECHANICAL HEALTH MONITOR APPARATUS AND METHOD OF OPERATION THEREFOR - A probabilistic data signal processor used to determine health of a system is described. Initial probability distribution functions are input to a dynamic state-space model, which iteratively operates on probability distribution functions, such as state and model probability distribution functions, to generate a prior probability distribution function, which is input to a probabilistic updater. The probabilistic updater integrates sensor data with the prior to generate a posterior probability distribution function passed to a probabilistic sampler, which estimates one or more parameters using the posterior, which is output or re-sampled and used as an input to the dynamic state-space model in the iterative algorithm. In various embodiments, the probabilistic data signal processor is used to filter output from any mechanical device using appropriate physical models, which optionally include chemical, electrical, optical, mechanical, or fluid based models. Examples to valve bearings and pipe systems are provided. | 01-26-2012 |
20120022806 | APPARATUS AND METHOD FOR MEASURING FLUID VISCOSITY - An apparatus and a method for measuring fluid viscosity are revealed. An inlet end of a container is larger than an outlet end of the container. A fluid flows through the outlet end at a flow rate. A volume of the fluid flowing out of the outlet end is measured by a graduated cylinder while the time taken for the fluid to flow through the outlet end is measured by a timer. The flow rate is associated with the volume and the time of the fluid and the viscosity of the fluid is obtained according to a density and a pressure gradient of the fluid, an outlet end radius and the flow rate. The apparatus has simple structure, easy operation and maintenance. Moreover, less space is required and the apparatus cost is low. Therefore, the testability is improved, the measurement time is reduced, and the convenience in use is enhanced. | 01-26-2012 |
20120022807 | APPARATUS AND METHOD FOR MEASURING VISCOSITY - An apparatus for measuring viscosity includes a container in which an inlet radius of an inlet end is larger than an outlet radius of an outlet end. A fluid with a flow velocity is placed in the container. The fluid has a density value and a pressure gradient value. A pressure controller for controlling the pressure gradient value of the fluid is connected to the inlet end and the outlet end. A flow meter measures the flow velocity. A viscosity of the fluid is correlated with the density value, the pressure gradient value, the inlet radius, the outlet radius and the flow velocity. After being applied to various fluids, the present invention improves testability. Moreover, the measurement time is reduced due to simple structure. The maintenance is easy and the operation is not completed. Furthermore, less space is required, the cost is down and the measurement error is reduced. | 01-26-2012 |
20120029847 | HIGH TEMPERATURE, HIGH BANDWIDTH PRESSURE ACQUISITION SYSTEM - A system for measuring a multiplicity of pressures as those experienced by a model in a wind tunnel is depicted. The system includes individual sensor devices which are connected to an electronics module. The sensors may be connected to the electronics module via a cable in a first embodiment. In an alternate embodiment, the sensors may be connected to the electronics module via a mating connector located therebetween. A memory component which stores compensation coefficients associated with each of the sensors may also be included in the system to correct errors associated with each sensor. The advantage of the various embodiments is that each sensor does not have any compensation stored thereon and thus, the sensors can be made very small to operate at very high temperatures without any loss of accuracy. | 02-02-2012 |
20120041694 | METHOD AND SYSTEM FOR ASSESSMENT OF PIPELINE CONDITION - A method and system for assessing the condition of a pipe carrying a fluid is disclosed. The method includes the steps of generating a pressure wave in the fluid being carried along the pipe and detecting a pressure wave interaction signal resulting from an interaction of the pressure wave with a localised variation in pipe condition. The method then involves determining from the timing of the pressure wave interaction signal the location of the localised variation in pipe condition and the extent of the localised variation in pipe condition based on a characteristic of the pressure wave interaction signal. | 02-16-2012 |
20120072134 | FUEL-INJECTION CONDITION DETECTOR - A fuel-injection condition detector includes a first approximate portion which approximates a plurality of fuel pressure values representing the descent pressure waveform or the ascent pressure waveform into a least-squares approximate line by least-squares method; and a weighting portion which applies a weight to the fuel pressure value. The weight is set greater as a difference between the fuel pressure and the least-squares approximate line is larger. Then, the weighted values are approximated into a weighted approximate line by the least-squares method. | 03-22-2012 |
20120078539 | CANISTER STATUS DETERMINATION - A method and apparatus are disclosed for determining status of a canister of a topical negative pressure (TNP) system. The method includes the steps of monitoring pressure provided by a pump element of the TNP system, determining at least one characteristic associated with the monitored pressure and determining status of at least one parameter associated with a canister of the TNP system responsive to the determined characteristics. | 03-29-2012 |
20120078540 | Airspeed Sensing System for an Aircraft - The different advantageous embodiments provide an apparatus and method for identifying an airspeed for an aircraft. In one advantageous embodiment, an apparatus is provided. The apparatus consists of a plurality of pitot-static probes. The plurality of pitot-static probes generate a first data. The apparatus also consists of a plurality of angle of attack sensor systems. The plurality of angle of attack sensor systems generate a second data. The apparatus also consists of a plurality of light detection and ranging sensors. The light detection and ranging sensors generates a third data. The apparatus also consists of a signal consolidation system configured to detect errors in the first data generated by the plurality of pitot-static probes, the second data generated by the plurality of angle of attack sensor systems, and the third data generated by the plurality of light detection and ranging sensors. | 03-29-2012 |
20120078541 | HIGH-PRESSURE QUARTZ CRYSTAL MICROBALANCE - The present invention relates to a high-pressure quartz crystal microbalance sensor that is capable of measuring adsorption and diffusion characteristics of nanoporous materials and thin films at high pressures. | 03-29-2012 |
20120084024 | IN-LINE VISCOMETER WITH NO MOVING PARTS AND METHODS AND COMPUTER-READABLE MEDIA FOR MAINTAINING A DESIRED VISCOSITY - The present invention relates to in-line viscometers with no moving parts for monitoring the viscosity of fluids. One embodiment of the invention is a viscometer including a first tube, a second tube, a first flow metering device coupled with the first tube, a second flow metering device coupled with the second tube. The second tube is larger in diameter than the first tube. Another embodiment is directed to a method for maintaining a desired viscosity during a process. | 04-05-2012 |
20120095705 | Method for Determining the Viscosity of a Thin Film - A method is provided for determining the viscosity of thin films which exhibit a viscous behavior at a measurement temperature, notably for polymer resins above their glass transition temperature. A thin layer of material is formed on a substrate, a known geometrical pattern is impressed in the thin layer by molding or etching, the thin layer being in the solid state at the end of the impression step. The initial topography of the impressed pattern is measured over the entire length of the pattern along a determined direction, the film is baked at the measurement temperature Tm for a determined creep time t | 04-19-2012 |
20120101746 | Vehicle Tyre Checking System - Apparatus ( | 04-26-2012 |
20120109544 | DIGITAL COMPRESSION RECORDER WITH SPECIFICATION DATABASE SYSTEM AND METHOD - In accordance with one embodiment of the present invention, a system for measuring the cylinder compression of an engine is provided The system may include a microprocessor; a sensor operatively connected to the microprocessor, the sensor configured to measure a pressure; a memory operatively connected to the microprocessor, the memory configured to store a pressure detected by the sensor; and a database operatively connected to the microprocessor, the database configured to a store baseline pressure associated with an engine. | 05-03-2012 |
20120116694 | Method and Apparatus for Tire Pressure Monitoring - A tire pressure monitoring system comprising a sensor located inside a tire of a vehicle may be operable to measure one or both of a temperature inside the tire, and flexion of the tire. The tire pressure monitoring system may be operable to calculate an air pressure inside the tire based on one or both of the measured temperature and the measured flexion. Communications between the sensor and other components of the tire pressure monitoring system may be wireless, such as, for example, via an ISO 18000-7 link. The sensor may be embedded in the tire (e.g., in the sidewall, in the tread, or in the liner). The sensor may measures flexion of the tire at a point (e.g., the point where the tire meets the ground) where the tire is being compressed and at a point (e.g., the point opposite where the tire meets the ground) where the tire is not being compressed. | 05-10-2012 |
20120123704 | SYSTEM AND METHOD FOR DETECTING BLOCKED PITOT-STATIC PORTS - An avionics system and process for detecting pneumatic blockages having an air pressure measurement system including a first sensor positioned in association with the air inlet of an air probe component. The air pressure measurement system having a second sensor positioned in association with the air inlet for detecting air pressure in which the second sensor has a frequency response higher than that of the first sensor. An air data computer is coupled to each of the first and second sensors being configured and operable to calculate a first aircraft movement measurement using detected air pressure from the first sensor and is further operative to determine if the first sensor is faulty or if the air inlet is blocked in dependence upon the frequency content and amplitude of the output from the second sensor. | 05-17-2012 |
20120136591 | PRESSURE MONITORING CIRCUITS AND METHODS - In order to provide better resolution over a wider pressure range the previously available, the techniques disclosed herein set an output precision of an analog-to-digital converter (ADC) based on a control signal provided by a control element. The control signal sets the output precision of the ADC to a first level to measure an ambient pressure within a first pressure range; and signal sets the output precision of the ADC to a second level to measure an ambient pressure within a second pressure range. | 05-31-2012 |
20120136592 | PRESSURE-SENSING HOSE - A pressure-sensing hose assembly and method of its use are disclosed. In an example aspect, the pressure sensing hose assembly includes a hose assembly including a hose having first and second conductive layers and a circuit electrically connected to the first and second conductive layers of the hose assembly. The circuit generates an electrical response across the first and second conductive layers of the hose assembly. The pressure-sensing hose assembly further includes a computing system configured to receive the electrical response and estimate a pressure within the hose assembly based on the electrical response. | 05-31-2012 |
20120166111 | PREDICTING DROPLET POPULATIONS IN PIPING FLOWS - A method to predict evolution of the diameter distribution of droplets that are injected into a process fluid in a process pipe or industrial pipeline is disclosed. The method is implemented with the use of a processor that: receives first information corresponding to a process fluid and a piping infrastructure in which the process fluid flows; receives second information corresponding to an injectant and an injector configured to inject the injectant into the process fluid; and predicts a droplet size distribution as a function of time based on the received first and second information. The prediction is based at least in part on computation of one or more closed-form expressions for mathematical description of the droplet interaction processes. | 06-28-2012 |
20120197551 | METHOD, APPARATUS, AND PROGRAM FOR DETECTING DECREASE IN TIRE AIR PRESSURE - A method of detecting a decrease in tire air pressure based on wheel rotation information obtained from tires attached to a 4-wheel vehicle. The method includes: a step of calculating tire rotation information obtained from the respective wheel tires; a step of computing a first determination value showing a difference between the sums of the wheel rotation information of pairs of wheel tires on two diagonal lines and a second determination value showing a difference between the sum of the wheel rotation information of right wheel tires and the sum of the wheel rotation information of left wheel tires; a step of assuming the computed first and second determination values as points on orthogonal coordinates for which any one of the first determination value and the second determination value is an X axis and the other is a Y axis and converting the points to polar coordinates; a step of determining position of tire(s) having a decreased pressure based on the argument of the points on the polar coordinates; and a step of comparing the moving radii of the points on the polar coordinates with a predetermined threshold value to thereby determine a decrease in tire air pressure. | 08-02-2012 |
20120197552 | Satellite-Based Low Power Resource Meter Reading Systems and Methods - Systems and methods for monitoring a utility resource are disclosed. One system includes utility resource usage capture components connected to a utility resource management computing system via a satellite communications network. Each of the utility resource usage capture components includes a utility resource meter interface and a satellite communication module. The utility resource meter interface is configured to communicate with different types of utility resource meters from different manufacturers. Each of the utility resource usage capture components has a low power state and an operational state, and is configured to automatically enter the operational state, interrogate an associated utility resource meter, communicate the reading via the satellite communication module, and return to the low power state. The utility resource management computing system stores information regarding a location of each of the utility resource usage capture components and receives and stores readings from each of the utility resource usage capture components. | 08-02-2012 |
20120197553 | PRESSURE TRANSMITTER FOR MEASURING THE PRESSURE OF A PROCESS FLUID AND RELATED METHOD - A pressure transmitter and method are disclosed for measuring pressure exerted by a fluid on the diaphragm of the pressure transmitter. A pressure sensor assembly can include a diaphragm displaceable under pressure exerted by the fluid, and first and second electronic circuits generating first and second oscillating signals, respectively, whose frequencies depend on the displacement of the diaphragm. First (N | 08-02-2012 |
20120209544 | DEFECTIVE-PORTION DETECTOR FOR FUEL INJECTION SYSTEM - A defective-portion detector has a detecting portion which detects a variation in fuel pressure as a fuel pressure waveform based on a detection value of a fuel pressure sensor and a computing portion which computes, based on the fuel pressure waveform, a plurality of injection-rate parameters required for identifying an injection-rate waveform corresponding to the fuel pressure waveform. Further, the detector has a determining portion which determines whether each learning value of the injection-rate parameters is an abnormal value and an identifying portion which identifies a defective portion in the fuel injection system based on a combination of abnormal learning values which the determining portion has determined. | 08-16-2012 |
20120239313 | SEALED PRESSURE-MEASURING MEMBER - A pressure-measurement device includes a pressure-measurement surface, which is functionally connected to a test body, and a sealed pressure-measurement housing in which the test body is arranged. The pressure-measurement surface is carried by a deformable wall of the sealed pressure-measurement housing lying at a distance from the test body. The sealed pressure-measurement housing delimits an internal space, which is a space internal to the sealed housing. The pressure-measurement device also includes a pressure-transmission object that transmits the pressure between the pressure-measurement surface and the test body. The pressure-transmission object includes a substantially incompressible material occupying all of the internal space. The pressure-measurement device further includes an energy source and a processor for processing pressure data detected by the test body. The processor is arranged in the sealed pressure-measurement housing. | 09-20-2012 |
20120239314 | METHOD OF MEASURING VISCOSITY AND VISCOSITY MEASURING APPARATUS - In a method of measuring a viscosity of a sample based on a rotation frequency Ω | 09-20-2012 |
20120245863 | INSTRUMENT AND METHOD FOR PROCESSING A DOPPLER MEASUREMENT SIGNAL - An instrument ( | 09-27-2012 |
20120245864 | STRAIN COMPENSATION FOR PRESSURE SENSORS - A pressure sensing system provides signals representative of a magnitude of pressure at a selected site. A sensor module includes a first transducer producing a first signal having an associated first response to pressure and strain applied to the sensor module and a second transducer producing a second signal having an associated second response to pressure and strain applied to the sensor module. A calculated pressure, a bending pressure error and a bend-compensated pressure are computed in response to the first signal and the second signal. | 09-27-2012 |
20120245865 | SYSTEM AND METHOD FOR MEASURING FLUID PRESSURE - A method of reducing power consumption in a pressure (vacuum) regulator system by waking the regulator upon detection of a change in pressure beyond a set band, including: defining a sampling time-window to sample a pressure in the pressure regulator system; generating a random number of pressure samples within the defined sampling time-window; acquiring data of the randomly generated number of pressure samples within the defined sampling time-window; adjusting the defined sampling time-window in response to a change in pressure beyond a set band; and transmitting the data to an output device. | 09-27-2012 |
20120245866 | METHOD AND SYSTEM FOR PROVIDING ISOLATED DETAIL INFORMATON ABOUT STATIONS WHICH ARE SIMULTANEOUSLY ACTIVE IN AN IRRIGATION SYSTEM - A method provides information about stations in an irrigation system which are simultaneously active. An irrigation flow curve image is displayed which summarizes flow information for an irrigation system. The method interacts with a user to receive an indication from a user interface pointing device of a position within a flow curve area of the irrigation flow curve image on the display. The method retrieves detail information for stations in the irrigation system which are simultaneously active at a time indicated by the position of the user interface pointing device. Detail information is displayed isolating the stations in the irrigation system which are simultaneously active at the time indicated by the position of the user interface pointing device, wherein the detail information further individually indicates irrigation activity for stations which are simultaneously active at the time indicated by the position of the user interface pointing device. | 09-27-2012 |
20120265455 | OVERLOAD SAFE PRESSURE SENSOR, ESPECIALLY PRESSURE DIFFERENCE SENSOR - A pressure sensor includes a sensor body with a sensor chamber in the interior, at least a first separating membrane, forming a first separating membrane chamber connected with the sensor body. A measuring membrane divides the sensor chamber into two chamber portions. A pressure transfer liquid, with which the first separating membrane chamber, the first chamber portion and a channel therebetween are filled, in order to transfer a pressure to the measuring membrane; wherein the pressure sensor is specified for a temperature range between a minimum temperature and a maximum temperature, as well as for a pressure range. At the minimum temperature, the pressure transfer liquid volume in the first chamber portion, the first channel and the first separating membrane chamber is sufficient over the total pressure range to transfer the pressure to the measuring membrane, without the first separating membrane coming to rest, and that when, in the case of overload at maximum temperature, the entire pressure transfer liquid volume moves out of the first separating membrane chamber into the first chamber portion, and is accommodated by the measuring membrane, the measuring membrane experiences no plastic deformation. | 10-18-2012 |
20120278008 | Apparatus and Method of Assessing a Narrowing in a Fluid Filled Tube - An apparatus and method of assessing a narrowing in a fluid filled tube having a fluid flow pressure wave having a backward-originating pressure component and a forward-originating pressure component without taking a flow velocity measurement, comprising: taking pressure measurements in the tube; separating the pressure components into the backward-originating pressure component and the forward-originating pressure component; identifying a time window when the differential of flow velocity (dU) is minimal or absent; and deriving the backward and forward pressure components for pressure measurements taken in at least the time window. | 11-01-2012 |
20120296579 | TELEMATIC MICROFLUIDIC ANALYSIS USING HANDHELD DEVICE - A fluid analyzing system comprises a handheld device and a management system. The handheld device includes a fluid analysis control module and a telematics device. The fluid analysis control module is configured for initiating acquisition of a sample of a fluid and providing the sample to a microfluidic analyzer for conduction of a microfluidic analysis. The telematics device is coupled with the fluid analysis control module and configured with a wireless transceiver. The management system is located remotely from the telematics device, and configured for wirelessly receiving results of the microfluidic analysis transmitted from the telematics device. | 11-22-2012 |
20120316799 | METHOD AND DEVICE FOR DETERMINING AT LEAST ONE OPERATING PARAMETER OF A DEVICE FOR EXTRACORPOREAL BLOOD TREATMENT AS A FUNCTION OF ABSOLUTE PRESSURE; THE DEVICE FOR EXTRACORPOREAL BLOOD TREATMENT - The invention relates to a method and a device for determining at least one operating parameter of a device for extracorporeal blood treatment as a function of the absolute pressure such that the absolute ambient pressure is first set in a closed container filled at least partially with air and next with delivery means a predetermined sequence of delivery strokes of a liquid is delivered into the container or out of the container, the increase or decrease in the relative pressure in the container is measured after each delivery stroke, the total volume delivered and the relative pressure after each delivery stroke are assigned to a value pair, the absolute pressure and/or the initial air volume is/are determined on the basis of the Boyle-Mariotte law and in additional steps the at least one operating parameter is calculated and adjusted as a function of the absolute pressure. | 12-13-2012 |
20120330575 | ESTIMATING ENGINE SYSTEM PARAMETERS BASED ON ENGINE CYLINDER PRESSURE - A method includes sensing pressure within an engine cylinder, and estimating at least one other engine system parameter based on the sensed pressure. Another method includes designing an engine system, which includes one or more engine cylinder pressure sensors and one or more other engine system sensors. According to this method, the engine system is operated, and engine cylinder pressure is sensed using the engine cylinder pressure sensors, which are in communication with an engine cylinder of an engine of the engine system. Also, other engine system parameters are sensed to obtain at least one other engine system parameter using the other engine system sensors. The engine cylinder pressure is correlated to the at least one other engine system parameter, and engine cylinder pressure is used to replace or augment the at least one other engine system parameter that correlates to the engine cylinder pressure. | 12-27-2012 |
20120330576 | FUEL-INJECTION-CONDITION ESTIMATING APPARATUS - A fuel-injection-condition estimating apparatus is applied to a fuel injection system which includes a fuel injector injecting a fuel accumulated in an accumulator and a fuel pressure sensor detecting a fuel pressure in a fuel supply passage from the accumulator to an injection port of the fuel injector. The fuel-injection-condition estimating apparatus includes: a fuel-pressure-waveform detecting portion which detects a variation in the fuel pressure as a fuel pressure waveform based on a detection value of the fuel pressure sensor; and an injection-rate waveform computing portion which computes an injection-rate waveform indicative of a variation in an injection-rate based on the fuel pressure waveform. The injection-rate waveform computing portion computes an ascending-waveform portion where the injection-rate is ascending due to a fuel injection in such a manner that an injection-rate ascending speed becomes slower at a specified point on the ascending-waveform portion. | 12-27-2012 |
20130006546 | METHOD FOR MONITORING PRIMARY DRYING OF A FREEZE-DRYING PROCESS - A freeze-drying process includes a primary drying phase. Within this phase, a test is performed for causing a variation of partial pressure of solvent inside a drying chamber. At the beginning of the test, a product sublimation flux, a total pressure and a partial pressure of the solvent in the drying chamber are measured. A product temperature is estimated at the interface of sublimation at the beginning of the test. The solvent vapor pressure at the interface of sublimation is calculated as is a resistance of a dried layer of the product to the vapor flow of the solvent. Next, a thickness of a frozen layer of the product is calculated and a coefficient of heat transfer between heating surface and product is also calculated. An initial temperature profile of the frozen product is then calculated as is a total pressure in the drying chamber. A value of the product temperature at the interface of sublimation at the beginning of test is determined and a time constant of the freeze-drying process is calculated. | 01-03-2013 |
20130006547 | DATA ACQUISITION METHOD OF SUBSTRATE PROCESSING APPARATUS AND SENSING SUBSTRATE - A data acquisition method of a substrate processing apparatus for acquiring data on gas current directions in a plurality of measurement regions on a surface of a substrate, includes: loading a sensing substrate having a plurality of pairs of sensors on a loader, wherein each pair of sensors includes a first sensor and a second sensor configured to acquire vector data of the gas current on the surface of the sensing substrate; acquiring vector data of the gas current in a first linear direction by the first sensor; acquiring vector data of the gas current in a second linear direction slanted to the first linear direction by the second sensor; and combining the gas current vectors based on a starting point associated with the respective pair of sensors; and calculating a gas current direction from the starting point associated with the respective pair of sensors. | 01-03-2013 |
20130030723 | Method And System For Multivariate Remote Monitoring Of Polymer Processing - In an injection molding process, it can be difficult to detect, in real time, process control variables such as pressure and temperature. Traditional temperature detectors and pressure sensors can be difficult to place in or near a mold cavity. An example embodiment of the present invention includes a self-powered multivariate sensor and uses acoustic transmission. The sensor may employ an infra-red thermal detector and pressure sensor and transmit coded representations of measurements acoustically via a body of the mold. From the temperature and pressure, melt velocity and melt viscosity of a compound in the mold can be determined with a high degree of accuracy by a processor internal to or external from the sensor. The example embodiment maintains structural integrity of the mold, provides a wireless self-powered sensor, and makes available sensing of properties of the viscous compound to enable injection molded parts production at a success rate exceeding 90%. | 01-31-2013 |
20130035879 | Method For Determining the Density of a Multiphase Fluid, Densitometer Using Said Method and Multiphase Meter Using Said Densitometer - Method for determining the density (D) of a multiphase fluid (F) flowing through a pipe ( | 02-07-2013 |
20130041600 | DOPPLER MEASUREMENT INSTRUMENT AND DOPPLER MEASUREMENT PROCESSING METHOD - A fluid flow measurement instrument is provided. The measurement instrument includes a sensor producing a time domain signal representative of reflections of an emitted signal; and a meter being coupled to the sensor and configured to: receive the time domain signal; create two or more spectral estimates for the time domain signal, wherein said two or more spectral estimates have different frequency ranges and resolutions; determine a frequency offset value using one or more of the two or more spectral estimates; and convert the frequency offset value into a fluid velocity. Other aspects are described and claimed. | 02-14-2013 |
20130054158 | ELECTRONIC CONDITION DETECTION SYSTEM AND METHOD FOR RAILCARS - A railcar has an on-board system for detecting conditions of the railcar. The on-board system. Includes a plurality of condition sensors positioned on the railcar. A transceiver is in communication with each of the plurality of condition sensors so as to receive condition data from the plurality of condition sensors. The transceiver transmits the condition data to a receiving station remote from the railcar tor review and analysis. | 02-28-2013 |
20130073225 | PRESSURE GAUGE AND METHOD OF MEASURING PRESSURE - The present invention provides a pressure gauge for measuring a pressure of a source. The pressure gauge includes a case, a flexible film, a magnetic device, a coil, a processor, and a screen. The case has a bore connecting the source. The coil is provided in the case. The flexible film is provided on an inner side of the case to cover the bore that the flexible film is expandable by the pressure of the source. The magnetic device is received in the case to be moved relative to the coil by the flexible film. The movement of the magnetic device causes the coil to generate an induced electromotive force, and the processor may find the gas pressure according to the induced electromotive force, and show it on the screen. | 03-21-2013 |
20130073226 | Abnormal Pressure Real-Time Monitoring and High Speed Recording Device - An abnormal pressure real-time monitoring and high speed recording device is disclosed. It operates essentially by first using a pressure sensor to convert various pressures (e.g., liquid pressure, air pressure or oil pressure) to the weak voltage signal within 0.0001 second, and then, through a pressure signal amplifying module, inputting the readable signal respectively to a pressure surge detecting module, a negative pressure detecting module and a pressure alarm upper/lower limit module in order to detect the occurrence of abnormal signals due to high speed surge pressure, negative pressure or exceeding of upper/lower pressure limit and the like. In case the detected signal exceeds the criteria value, it immediately awakes a microprocessor within 0.0001 second to perform continuous signal pressure reading at 0.001 second and save to the memory, and then sends the alarm message to a remote monitoring device by way of a network module or else directly controls the in-field equipment for adequate emergent processes. Upon detecting the disappearance of abnormal signals by the pressure surge detecting module, negative pressure detecting module and pressure alarm upper/lower limit detecting module, it terminates the actions of pressure value reading and signal storage and then controls the microprocessor to enter into a sleeping mode to achieve the purpose of power saving. | 03-21-2013 |
20130080083 | SYSTEM AND METHOD FOR DETERMINING PHYSICAL PROPERTIES OF EXHAUST GAS PRODUCED BY AN INTERNAL COMBUSTION ENGINE - At least one physical property of exhaust gas produced by a cylinder of an internal combustion engine may be determined by determining a temperature, T | 03-28-2013 |
20130080084 | PRESSURE TRANSMITTER WITH DIAGNOSTICS - A pressure transmitter for use in measuring a pressure of a process fluid in an industrial process. The pressure transmitter includes a pressure sensor having a pressure output related to the pressure of the process fluid. Measurement circuitry is configured to calculate a process variable of the process fluid based upon the pressure output. Diagnostic circuitry diagnoses operation of the industrial process based upon a process parameter of the pressure output. Process parameter calculation circuitry calculates the process parameter based upon pressure output and reduces the effect of an abrupt change in the pressure output on the calculated process parameter. | 03-28-2013 |
20130080085 | NANOPARTICLE ENHANCED MULTI-MODAL FLUID CONDITION SENSOR PLATFORM AND SYSTEM THEREFOR - This invention encompasses embodiments for multi-modal integrated simultaneous measurement of various aspects of fluids contained in circulating systems such as automotive reciprocating engines and vehicle transmissions. These circulating systems perform constant internal lubrication, and heat and contaminant removal to protect the internal moving parts from the inherent friction and damage in normal operation. Most commonly this is achieved with fluids based on hydrocarbon and/or related synthetics, which, over time, can lose their protective properties, and vary in their performance or breakdown/decay due to internal and external events. Several components within the lubricant fluid can be measured and can provide insight into the efficacy of the system to perform its designed mission. Described herein is a real-time, simultaneous, integrated, multi-modal sensor system for early warning notification that can be further enhanced using specifically designed nanoparticles that can be introduced into the system, engineered to specifically bind with the contaminants and/or undergo an irreversible state change upon certain experienced conditions to both increase the detectability as well as provide for a framework to improve filter performance. | 03-28-2013 |
20130085689 | FROTH DETECTION SYSTEM AND METHOD - An infusion system includes a pump, a fluid delivery line, at least one sensor, a processor, and a memory. The fluid delivery line is connected to the pump for delivering fluid. The at least one sensor is connected to the fluid delivery line for emitting and receiving signals to detect whether there is air in the fluid delivery line. The processor is in electronic communication with the pump and the at least one sensor. The memory is in electronic communication with the processor. The memory comprises programming code for execution by the processor. The programming code is configured to determine a percentage of the air within an observed volume of the fluid delivery line. | 04-04-2013 |
20130110418 | CONTROL VALVE DIAGNOSTICS | 05-02-2013 |
20130124114 | METHOD FOR DETERMINING A FLOW BEHAVIOUR OF A MEDIUM - A method for determining a flow behavior of a medium uses at least one analysis device placed inside the medium. The at least one analysis device is freely moveable in the medium and supplies data characterizing at least one property of the medium flow behavior to a data evaluation device. The at least one property of the medium flow behavior is determined by the data evaluation device on the basis of the data in selected areas or in all areas through which the at least one analysis device flows with the medium. | 05-16-2013 |
20130151172 | METHOD AND DEVICE FOR DETERMINING A COMPARATIVE MOISTURE LEVEL - A method and device for providing a comparative moisture level of an material are disclosed. The method and device provide a comparative moisture level of a test moisture level of a test material compared to a reference moisture level of a reference material, indicating whether the test moisture level of the test material is less than (dryer), equal to, or greater than (wetter) than the reference moisture level of the reference material. | 06-13-2013 |
20130158899 | METHOD OF MEASURING THE VISCOCITY OF A FLUID AND VISCOSIMETER - A method for measuring the viscosity of any liquid gaseous or supercritical, optionally multiphase fluid, under extended conditions of pressure, temperature and chemical composition, the method is based on the application of a flow law of the fluid through a permeable medium, the permeability of which is known. A viscosimeter for carrying out this measurement method is also described. | 06-20-2013 |
20130185005 | COMBINATION TIRE TEMPERATURE, PRESSURE AND DEPTH MEASURING DEVICE - A system for measuring tire pressure and temperature including a pressure sensor, a temperature sensor, a processor responsive to an output of the pressure sensor and the temperature sensor, and a display. The processor is configured to output a value on the display indicative of a measured tire pressure and an indication of measured tire temperature, wherein the indication of measured tire temperature comprises an indication of the result of a comparison between the measured tire temperature and a predetermined temperature value. | 07-18-2013 |
20130191046 | Integrated, portable sample analysis system and method - An integrated, portable sample analysis system and method. A viscometer subsystem receives a first portion of a sample. A spectrometer subsystem receives a second portion of the sample. A syringe pump subsystem receives a third portion of the sample and is configured to urge the third portion of the sample through a filter which collects particles in the sample thereon. An x-ray analysis subsystem is configured to x-ray the particles. The x-ray analysis subsystem also receives a fourth portion of the sample in order to determine the composition of any dissolved material in the sample. A processing subsystem provides a report concerning the sample and its viscosity, physical properties, particulate count and size distribution, and the composition of particulate and dissolved elements in the sample. | 07-25-2013 |
20130204548 | TIRE PRESSURE SENSOR DEVICE AND ITS SETTING METHOD - A tire pressure sensor device setting method includes the steps of: providing a setting tool and selecting a control program to be downloaded, providing a tire pressure sensor device, driving an infrared transmitter of the setting tool to encode the selected control program into an infrared signal and to transmit the infrared signal to an infrared receiver of the tire pressure sensor device, enabling the tire pressure sensor device to transmit a feedback signal to the setting tool wirelessly to stop the setting tool from transmitting the infrared signal, and enabling a processor and memory unit of the tire pressure sensor to decode the received infrared signal into a decoded control program and to store the decoded control program in a memory thereof. | 08-08-2013 |
20130204549 | Method of Managing Decontamination and Decontamination Management Apparatus for Use in the Method - It is determined that indoor condensation of hydrogen peroxide vapor is to occur, if there is a solution with which both (Equation 1): PT·y | 08-08-2013 |
20130218489 | Method For Monitoring The Condition Of A Fluid - A method for filtering condition measurements made of a fluid used in transportation and industrial equipment that operates in varying state to meet performance requirements. Equipment operating state is monitored by fluid temperature without need for further input. | 08-22-2013 |
20130226473 | Apparatus and Method for Constant Shear Rate and Oscillatory Rheology Measurements - A rheometer instrument including a stationary frame, a sleeve suspended from said frame, means for rotating the sleeve, a bob suspended within the sleeve, a cross-spring pivot suspending the bob from the stationary frame and a force rebalance system for effecting the rotational displacement of the bob with a torque. The force rebalance system includes an arm attached to the movable portion of the cross-spring pivot, a rotational position sensor in close proximity to the arm for measuring the rotational displacement and angular frequency of the arm, and a force actuator positioned to apply force to the arm. The rheometer instrument may be used to calculate the rheological properties of Newtonian and non-Newtonian fluids. | 08-29-2013 |
20130226474 | Method and Device for Determining an Error in a Pressure Measurement in a Pressure Reservoir - A method for determining an error in a pressure, which is measured by means of a pressure sensor in a pressure accumulator for accumulating fuel that can be let out of the pressure accumulator via an injection valve and injected into a cylinder, wherein the method comprises: determining at least two 3-tuples of a first pressure, a period of time, and a second pressure, wherein each first pressure is measured by the pressure sensor; wherein after measuring each first pressure, the valve is opened for a period of time; and wherein after the opening of the valve for the period of time, the second pressure is measured by the pressure sensor; and determining the error of the measured pressure from the at least two 3-tuples. | 08-29-2013 |
20130238261 | OCCLUSION DETECTION METHOD - Methods for improving the accuracy of occlusion sensor baselines in an infusion pump are described. An infusion pump includes logic for making an antiratchet decision for determining whether a new administration set was installed after there has been access to the administration set. If so, then new occlusion sensor baselines are established. If not, then the current baselines are maintained. The antiratchet decision logic may depend upon the value of a baseline delta equal to a difference between the upstream sensor signal and the downstream sensor signal. In another aspect, an upstream occlusion sensor baseline is shifted in correspondence with decreases in the upstream sensor signal occurring while a pumping mechanism of the infusion pump is not operating to compensate for sensor signal drift. | 09-12-2013 |
20130245968 | VISCOSITY TESTING SYSTEM AND METHOD OF USING THE SAME - A highly efficient, highly accurate controllable digital viscosity testing system is provided. The system incorporates a variable speed motor, a digital encoder, a beam-deflection and/or magnetic torque resistance for unidirectional or bi-directional measurement of shear, and an API recommended practice 13B-11ISO 10414-1 bob and rotor sleeve measurement device for submerging in a test sample to measure shear forces exerted by the test sample. | 09-19-2013 |
20130253854 | HYDRAULIC ACCUMULATOR HEALTH DIAGNOSIS - A system to diagnose a health of a hydraulic accumulator is provided. The hydraulic accumulator includes a first fluid chamber, a second fluid chamber, and a separator. The hydraulic accumulator has an associated pre-charge pressure. The system further includes a pressure sensor, a fluid source, a data processor, and a comparator. The pressure sensor and the fluid source are connected to the first fluid chamber. The data processor is configured to determine a first and second rate of pressure changes, and a transition pressure between the first and second rates. The approximate pre-charge pressure is determined based on the transition pressure. The comparator is configured to compare at least one of the determined pre charge pressure and the frictional forces with a pre-determined threshold range of pre-charge pressure and the frictional forces associated with the hydraulic accumulator to diagnose the health of the hydraulic accumulator. | 09-26-2013 |
20130253855 | Method and Apparatus for Measuring Apparent Viscosity of a Non-Newtonian Fluid - Method and apparatus are disclosed for measuring an apparent viscosity of a non-Newtonian fluid. The method and apparatus involves calculating a power-law number n relating a shear stress of the fluid to a shear rate of the fluid, and then calculating an estimated apparent viscosity η | 09-26-2013 |
20130261993 | AIR DETECTION SYSTEM AND METHOD FOR DETECTING AIR IN A PUMP OF AN INFUSION SYSTEM - Various systems and methods for detecting air in a chamber of an infusion system are disclosed. In one embodiment, a determination is made that air is contained in the chamber on the basis of a change in the average force exerted against the plunger utilizing a derivative spike for event detection and a systematic reduction in the average force to confirm the nature of the change. In another embodiment, a determination is made that the chamber contains air when a difference between the current force profile and a baseline force profile crosses a threshold. In an additional embodiment, a force profile is classified as being an air force profile or a liquid force profile based on extracted features of the force profile. | 10-03-2013 |
20130261994 | ACCELERATED BENCH-TESTING OF MEDICAL DEVICES - A biomedical tester includes a fluid-control container, shaped to define a fluid-control container port and a first interface surface defining fluid-control container apertures. A fluid controller is shaped to define a second interface surface defining controller ports. These elements and a motor are arranged to relative translation between the first and second interface surfaces; thereby effecting a time-varying overlap between subgroups of the system. Fixtures allow disposition therewithin of respective medical devices. Each of the fixtures includes one or more fixture first ports and fixture second ports. The fixture first ports are mounted in fluid Communication respective with the controller ports. A fluid pump includes first and second pump ports in fluid communication with the fixture second ports and the fluid-control container port, respectively. | 10-03-2013 |
20130289898 | Pressure Monitoring Circuits and Methods - A pressure monitoring device comprises an analog-to-digital converter (ADC) to receive an analog signal and to convert the analog signal to a digital signal. The pressure monitoring device is configured to apply in a first state a first set of calibration coefficients to the digital signal, the first set of calibration coefficients being associated with a first pressure range. The pressure monitoring device is further configured to apply in a second state a second set of calibration values to the digital signal, the second set of calibration coefficients being associated with a second pressure range different than the first pressure range. | 10-31-2013 |
20130297233 | Apparatus and Method for Comparing Gas Pressure Measurements - A singular sealed apparatus and method suitable for confirming pressure measurements in a rebreather prior to use of the rebreather. The singular sealed apparatus may have a canister lid, gas sensors and a processor, all from a rebreather, as well as a pressure sensor, an input device, a processor, an indicator and a pod with a pressure measurement outlet, a gas supply inlet, a relief valve and a gas exit valve. Alternatively, the singular sealed apparatus may have a gas sensor from a rebreather and an analyzer, a pressure sensor, an input device, a processor, an indicator, a lid and a pod with a pressure measurement outlet, a gas supply inlet, a relief valve and a gas exit valve. The inventive method is characterized by assembling the singular sealed apparatus, inputting a concentration of a gas present in a gas mixture, admitting the gas mixture into the singular sealed apparatus, expelling ambient gas present in the singular sealed apparatus, measuring absolute pressure of the gas mixture, calculating partial pressure of the gas, indicating the calculated partial pressure of the gas, measuring partial pressure of the gas, indicating the measured partial pressure of the gas and comparing the calculated partial pressure of the gas to the measured partial pressure of the gas. | 11-07-2013 |
20130317763 | AUTO-ZEROING ABSOLUTE PRESSURE SENSOR - One aspect provides a method including determining that an absolute pressure sensor is not submersed in a fluid; measuring an atmospheric pressure with the absolute pressure sensor to determine an offset pressure measurement; submersing the absolute pressure sensor in a fluid; and measuring pressure with the absolute pressure sensor; wherein a compensated pressure measurement of the fluid is determined. Other embodiments are disclosed. | 11-28-2013 |
20130325369 | PROCESS VARIABLE TRANSMITTER SYSTEM WITH ANALOG COMMUNICATION - A process variable transmitter system for sensing a first pressure at a first location and second pressure at a second location, includes a first transmitter having a first pressure sensor configured to sense the first pressure and first analog output stage coupled to the first sensor configured to provide an analog output signal related to the first pressure. A second pressure transmitter includes a second pressure sensor configured to sense the second pressure and spaced apart from the first pressure sensor. A second analog output stage provides an analog output related to the second pressure. An analog processing stage provides a processed output related to the first and second pressures. A two-wire output is configured to provide an analog current output on a two-wire process variable loop based upon the processed output. | 12-05-2013 |
20130325370 | METHOD FOR CONTROLLING A GAS TURBINE - A method for controlling a gas turbine, wherein measurement signal values are measured at different times, namely at least a first time and a second time, wherein the first time lies before the second time and wherein attenuated signal values are generated from the measurement signal values by smoothing the measured measurement signal values by means of a attenuation factor, wherein a different attenuation factor is used depending on the difference of the measurement signal value at the second time and the attenuated signal value at the first time. | 12-05-2013 |
20130332089 | Methods for Predicting Dynamic Sag Using Viscometer/Rheometer Data - A method for quantitatively determining dynamic barite sag in drilling fluids includes measuring rheological properties with viscometers and/or rheometers, and introducing the parameters into an equation to obtain the sag rate. | 12-12-2013 |
20130332090 | SYSTEM AND METHOD FOR IDENTIFYING RELATED EVENTS IN A RESOURCE NETWORK MONITORING SYSTEM - A computerized method for detecting related events in a water monitoring system. The method includes receiving event data from a plurality of sensors in a water network. The method also includes identifying at least two candidate events from the event data as being candidate events which are likely to constitute part of a common anomaly event, the candidate events each being substantially anomalous. An event combination rule is selected. One or more event characteristics are compared between the at least two candidate events based on the event combination rule. The at least two candidate events are determined whether they are related and associated with a common event causing the at least two candidate events on the basis of the comparison. The determination of the at least two candidate events are related and associated with a common event is reported to a user via a user interface. | 12-12-2013 |
20140005957 | VISCOMETER FOR NEWTONIAN AND NON-NEWTONIAN FLUIDS | 01-02-2014 |
20140025317 | PRESSURE GUIDING TUBE BLOCKAGE DIAGNOSING DEVICE AND BLOCKAGE DIAGNOSING METHOD - A pressure guiding tube blockage diagnosing device includes a feature quantity calculating portion partitioning a time series of pressure data into intervals, and calculating, for each interval, a feature quantity indicating the state of pressure fluctuation, an indicator value calculating portion calculating, for each individual interval, an indicator value indicating a state of blockage of pressure guiding tubes, from the feature quantities for a given time interval up until that interval, a change rate calculating portion performing, for each interval, a smoothing process on the indicator values over a specific time interval up to that interval, and calculating, from the indicator values that have been subjected to the smoothing process, a change rate for the indicator values for each interval, and an evaluating portion evaluating the state of blockage of a pressure guiding tube based on a change rate of the indicator value calculated by the change rate calculating portion. | 01-23-2014 |
20140025318 | PRESSURE GUIDING TUBE BLOCKAGE DIAGNOSING DEVICE AND BLOCKAGE DIAGNOSING METHOD - A pressure guiding tube blockage diagnosing device includes a receiving portion that receives pressure data from a pressure detecting portion, a feature quantity calculating portion that partitions a time series of pressure data, received by the receiving portion, into a plurality of intervals, and calculates, for each interval, a feature quantity indicating the state of fluctuation of a pressure, a change rate calculating portion that performs, for each interval, a smoothing process on the feature quantities over a specific time interval up to that interval, and calculates, from the feature quantities that have been subjected to the smoothing process, a change rate, for each interval, indicating the change of state of blockage of a pressure guiding tube therein, and an evaluating portion that evaluates the state of blockage of the pressure guiding tube based on the change rate calculated by the change rate calculating portion. | 01-23-2014 |
20140046603 | ESTIMATING LOSSES IN A SMART FLUID-DISTRIBUTION SYSTEM - A method and associated systems for estimating losses in a fluid-distribution system, in which the fluid-distribution system may represented as a binary tree from which is generated a set of linear or nonlinear equations that express fluid losses as functions of measurements of characteristics of fluid flowing through the fluid-distribution system. Operations performed upon these equations to minimize measurement errors yield solutions that, when bounded by conditions derived from known physical and historical characteristics of the fluid-distribution system, allow inference of accurate loss locations and rates in the fluid-distribution system, even when the losses have not been measured directly or when measurements related to these leak losses contain measurement errors. | 02-13-2014 |
20140046604 | GIS ENABLED PIPELINE UPGRADING SYSTEM - Certain embodiments of the invention may include systems and methods for evaluating pipeline using GIS data. According to an example embodiment of the invention, a method is provided for evaluating pipeline using geographical information system (GIS) data. The method can include receiving component information from a GIS database for one or more components in a pipeline; determining a modified maximum allowable operating pressure (MAOPm) for the one or more components; determining an uprating pressure (MAOPm*) that the one or more components can withstand; and outputting a upgrade recommendation or an uprate recommendation based at least in part on the MAOPm and the MAOPm*. | 02-13-2014 |
20140107951 | METHOD TO DETERMINE THE ABSORPTION COEFFICIENT IN TURBID MEDIA - The invention relates to a method to determine the wavelength dependent absorption coefficient of a turbid medium using overlapping illumination-detection areas comprising the steps of a) retrieving a calibration spectrum (CA) from a reference measurement using a reference sample; b) carrying out a measurement on an actual sample for determining the absolute reflection spectrum (R | 04-17-2014 |
20140107952 | CAVITATION EVALUATING DEVICE - A downstream side fluid pressure is a fluid pressure of a fluid stagnation portion within a flow path that is internal to a regulator valve. A pressure ratio that is internal to the regulator valve is calculated from an upstream side fluid pressure, the downstream side fluid pressure, and a saturated vapor pressure for the fluid, calculated from a fluid temperature. A pressure ratio table that establishes relationships between a threshold value and a relative flow coefficient of the regulator valve, where the pressure ratio that is internal to the regulator valve, at the time at which the occurrence of cavitation within the regulator valve begins, is defined as the threshold value, is created and stored in a storing portion. The pressure ratio table is used to evaluate whether or not there is cavitation. | 04-17-2014 |
20140121998 | Systems and Methods for Adverse Combustion Avoidance and Correction - Systems and methods for avoidance and correction of potentially adverse combustion states such as flame holding and flashback are disclosed. According to one embodiment of the disclosure, one or more sensors acquire sensor data from one or more sensors associated with combustion. An operational limit margin (OLM) is calculated using an OLM model and based at least in part on the sensor data. A determination is made as to the presence of a potentially adverse combustion state based at least in part on the OLM and the model. Once determined, corrective action may be taken to avoid an adverse combustion event prior to occurrence of the event. | 05-01-2014 |
20140129157 | ANALYSIS SYSTEM, INFORMATION PROCESSING DEVICE AND PROGRAM - The present invention is directed to an analysis system intended to be able to perform a unit setting of values over multi-pieces of analysis-associated data easily and systematically every analysis device, and the analysis system is provided with an analysis device and an information processing device, wherein the information processing device includes: a unit series data storage part adapted to store multi-pieces of unit series data composed by specifying units to be respectively used for values of the multi-pieces of analysis-associated data given and received between the analysis device and the information processing device; a selection input receiving part adapted to receive a selection input of any of the multi-pieces of the unit series data stored in the unit series data storage part; and a data output part adapted to output each of the values of the analysis-associated data in the unit specified to the selected unit series data. | 05-08-2014 |
20140188407 | MULTI-MODAL FLUID CONDITION SENSOR PLATFORM AND SYSTEM THEREFOR - This invention encompasses embodiments for multi-modal integrated simultaneous measurement of various aspects of fluids contained in circulating systems such as automotive reciprocating engines and vehicle transmissions. These circulating systems perform constant internal lubrication, and heat and contaminant removal to protect the internal moving parts from the inherent friction and damage in normal operation. Most commonly this is achieved with fluids based on hydrocarbon and/or related synthetics, which, over time, can lose their protective properties, and vary in their performance or breakdown/decay due to internal and external events. Several components within the lubricant fluid can be measured and can provide insight into the efficacy of the system to perform its designed mission. Described herein is a real-time, simultaneous, integrated, multi-modal sensor system for early warning notification. | 07-03-2014 |
20140188408 | Multiplexed Connection Circuit and Device for Detecting at Least One Particle Using the Connection Circuit - The multiplexed connection circuit ( | 07-03-2014 |
20140207394 | SYSTEMS AND METHODS FOR COMMUNICATING WITH HEATING, VENTILATION AND AIR CONDITIONING EQUIPMENT - Systems and methods for wireless diagnostic equipment. HVAC equipment is configured with wireless technologies that are enabled to communicate diagnostic data with a wireless communications device, such as a smart phone, tablet, laptop or other wireless communications device. Software on the wireless communications device is enabled to receive the diagnostic data and to perform various operations based on the diagnostic data and other data at the wireless communications device. Furthermore, the software is enabled to remotely configure and operated the HVAC equipment. | 07-24-2014 |
20140214341 | Electronic Valve Position Indicator - An apparatus includes a valve having at least two input ports. A first of the at least two input ports connected to a first source of material and a second of the at least two input ports connected to a second source of material. The also valve includes an output port and a valve selector for selectively connecting one of the at least two input ports to the output port. An electric circuit selectively connects an output device to receive data from a first sensor associated with the first source of material that senses at least one characteristic associated with the first source of material when the valve selector is in a first position connecting the first of the two input ports to the output port, and a second sensor associated with a second source of material that senses at least one characteristic associated with the second source of material when the valve selector is in a second position connecting the second of the two input ports to the output port. | 07-31-2014 |
20140316722 | Method and Apparatus for Characterizing Interfacial Tension between Two Immiscible or Partially Miscible Fluids - An apparatus (and method) for characterizing interfacial tension between a non-wetting phase fluid and a wetting phase fluid of a slug flow employs a capillary structure that is configured to contain a slug of the non-wetting phase fluid of the slug flow. The slug has a leading edge meniscus and a trailing edge meniscus, and the capillary structure has a venturi-like section. A pressure sensor is configured to measure differential pressure between first and second locations of the capillary structure. The first location is disposed upstream of the leading edge meniscus of the slug with the leading edge meniscus of the slug contained within the venturi-like section. The second location is disposed downstream of the trailing edge meniscus of the slug. Data processing means is configured to derive a measure of interfacial tension based upon the differential pressure measured by the pressure sensor and, optionally, geometry of the capillary structure. | 10-23-2014 |
20140330530 | METHOD AND DEVICE FOR DETERMINING A TRAJECTORY OF AN AQUEOUS FLOW, AND AUTONOMOUS PROBE IMPLEMENTED IN SAID METHOD - A method for determining a trajectory of an aqueous flow, implementing a mobile autonomous measurement device inserted into the aqueous flow, includes a step of measuring and a step of saving acceleration data in a reference base of the mobile device, and a step of processing data collected during the step of measuring to determine the trajectory by double integration of the processed data. | 11-06-2014 |
20140336956 | METHOD AND PROCESSING SYSTEM OF SENSED IONIZATION CURRENT DATA FOR REAL TIME ESTIMATION OF COMBUSTION CHAMBER PRESSURE IN A SPARK IGNITION ENGINE - The pressure in the combustion chamber of an electronically controlled spark plug ignition engine may be estimated in real time mode without specific sensors by processing sensed ionization current data to calculate features of the current waveform proven to be correlated to the pressure inside the engine cylinders and correlating them on the basis of a look up table of time invariant correlation coefficients generated through a calibration campaign of tests on a test engine purposely equipped with sensors. A mathematical model of the electrical and physical spark plug ignition system and combustion chamber of the engine is refined during calibration by iteratively testing the interactive performance of correlation coefficients of related terms of a mathematical expression of the model and comparing the expressed pressure value with the real pressure value as measured by a sensor. | 11-13-2014 |
20140336957 | Method for Calibration-Free Scanned-Wavelength Modulation Spectroscopy for Gas Sensing - A method of calibration-free scanned-wavelength modulation spectroscopy (WMS) absorption sensing is provided by obtaining absorption lineshape measurements of a gas sample on a sensor using 1/-normalized WMS-2/j where an injection current to an injection current-tunable diode laser (TDL) is modulated at a frequency ̂ where a wavelength modulation and an intensity modulation of the TDL are simultaneously generated, extracting using a numerical lock-in program and a low-pass filter appropriate band-width WMS-< (n=1, 2, . . . ) signals, where the WMS-< signals are harmonics of the f, determining a physical property of the gas sample according to ratios of the WMS-< signals, determining the zero-absorption background using scanned-wavelength WMS, and determining non-absorption losses using at least two the harmonics, where a need for a non-absorption baseline measurement is removed from measurements in environments where collision broadening has blended transition linewidths, where calibration free WMS measurements without knowledge of the transition linewidth is enabled. | 11-13-2014 |
20140350870 | METHOD AND SYSTEM FOR GAS DETECTION - A gas sensor is used for determining a concentration of a predetermined gas in a measurement volume. The gas sensor comprises a light source and a detector arranged to receive light that has passed through the measurement volume. During a first measurement period, the detector is used to make a first measurement of an amount of light received in at least one wavelength band which is absorbed by the gas. The first measurement is compared to a predetermined threshold value. If the threshold is crossed, during a second measurement period the detector is used to make a second measurement of an amount of light received in at least one wavelength band which is absorbed by the gas. The concentration of said gas in said measurement volume is calculated using the first and/or second measurement. | 11-27-2014 |
20140365144 | SYSTEM AND METHOD FOR EXTENDING A LUBRICANT DISCARD INTERVAL - A system, a method and a computer program to predict a portion of used lubricant in an engine that is to be drained and replaced by fresh lubricant based on an analysis parameter value that is measured in a sample of used engine lubricant from the engine. The system includes a first input that receives the analysis parameter value from the used lubricant and stores the analysis parameter value in a memory of a processor. A second input receives an analysis parameter threshold value for the used lubricant at the end of a service interval and stores the analysis parameter threshold value in a memory of the processor. A determiner predicts a future analysis parameter value of the used lubricant at the end of the service interval based on the analysis parameter value, and the analysis parameter threshold value. | 12-11-2014 |
20140365145 | COMPUTER-READABLE RECORDING MEDIUM, SIMULATION METHOD, AND SIMULATION DEVICE - A simulation program, simulation method, or simulation device simulates the temporal shape change in a fluid. The simulation program, simulation method, and simulation device are characterized in that with respect to a fluid model representing the fluid as a collection of particles, a surface tension of an interface against another phase which is different from the phase of the fluid is calculated using a function to calculate a surface energy of the interface, and the shape change in the fluid is calculated on the basis of the calculated surface tension. | 12-11-2014 |
20150025817 | MONITORING THE CHANGE IN HEIGHT OF A DEVICE USING AN AIR PRESSURE SENSOR - There is provided a method of monitoring a change in height of a device, the device comprising a sensor for measuring the air pressure at the device, the method comprising determining a pressure change threshold from a pre-determined height change and an estimate or measurement of air pressure; obtaining a plurality of measurements of the air pressure at the device; determining a change in the air pressure from two or more of the measurements; and determining if the height of the device has changed by more than the pre-determined height change using the determined change in the air pressure and the determined pressure change threshold. | 01-22-2015 |
20150032390 | APPARATUS FOR ESTIMATING EXHAUST GAS TEMPERATURE OF INTERNAL COMBUSTION ENGINE - An apparatus for estimating a temperature of an exhaust gas which is exhausted from an internal combustion engine to an exhaust manifold. The apparatus estimates the temperature of the exhaust gas in the exhaust manifold, based on a temperature increment caused by an adiabatic compression until a gas introduced in an intake manifold is exhausted to the exhaust manifold, and a temperature increment obtained by dividing the amount of heat lost in the exhaust gas among the amount of heat introduced into cylinders by the diluted gas flow of the exhaust gas in the exhaust manifold. | 01-29-2015 |
20150039249 | METHOD OF PROVIDING REFERENCE PRESSURES - A method of generating reference pressures by a pressure generator, which generates a reference pressure according to a mass applied to an end face of a piston using a mobile data processor including the steps of: selecting the standard instrument out of a plurality of standard instruments which are measured as regards characteristic properties and the characteristic properties of which are stored in the form of reference data at a central storage location; connecting the mobile data processor to the central storage location and automatically downloading the reference data of the selected standard instrument and storing the same in the mobile data processor; and for processing the reference data, each applied mass and the local environmental data in the measuring environment into the pressure values assigned to the masses applied in each case as the reference pressures of the standard instrument. | 02-05-2015 |
20150051848 | COMBINATION TESTER - A tester that measures pressure includes at least one pressure input port, at least one transducer, GPS communications, and a controller. The transducer measures pressure of the pressure input port. The controller is coupled with the transducer and the GPS communications such that the controller associates location data provided by the GPS communications with the pressure measured by the transducer to create a test result. | 02-19-2015 |
20150073732 | SYSTEM AND METHOD FOR MEASURING DUCT LEAKAGE IN A HVAC SYSTEM - A system and method of measuring duct leakage in an HVAC system including an indoor unit assembly operably coupled to a processing device, wherein at least one supply air conduit, and at least one return air conduit are coupled to the indoor unit assembly by operating a blower system at a nominal airflow rate, restricting airflow in each of the at least one supply air conduits, and each of the at least one return air conduits; operating the blower system, within the indoor unit assembly, at a first airflow rate; and operating the processing device to calculate a duct leakage airflow and duct leakage measurement. | 03-12-2015 |
20150100252 | SYSTEMS AND METHODS FOR DETERMINING A VOLUMETRIC FLOW OF A LIQUID PORTION OF A MULTIPHASE FLUID FLOW - The disclosure generally relates to mass flow meters and more particularly relates to systems and methods for determining, among other things, a volumetric flow of a liquid portion of a multiphase fluid flow. In certain embodiments herein, an expected liquid density of a fluid flow at an operating condition may be determined. Such a determination may include receiving a measured density of the fluid flow and comparing the expected liquid density of the fluid flow to the measured density of the fluid flow. Further, a phase status of the fluid flow may be determined based at least in part on the expected liquid density compared to the measured density of the fluid flow. | 04-09-2015 |
20150106039 | METHODS AND SYSTEMS FOR ESTIMATION OF PROPELLANT TRANSFER IN AN ION PROPULSION SYSTEM - Methods and systems for estimating propellant transfer in an ion propulsion system are disclosed. One example is a method for estimating transfer of a propellant between a first tank and a second tank in an ion propulsion system during a transfer event. The first tank and the second tank are separated by a valve. A flow rate of the propellant through the valve is calculated based on an initial pressure and an initial temperature of each of the first tank and the second tank for a beginning of the transfer event, calculating, based at least in part on the flow rate, a mass of propellant transferred through the latch over a period of time ending at an intermediate time before an end of the transfer event, and determining an intermediate pressure and temperature for each of the first tank and the second tank for the intermediate time. | 04-16-2015 |
20150112614 | FLOW RATE MEASUREMENT METHOD AND APPARATUS - Method and apparatus capable of accurately measuring a flow rate using Gaussian quadrature even under a small number of measurement points are provided. An average for the y-coordinate of values of normal-directional component with respect to the cross-section represented by v | 04-23-2015 |
20150338386 | Generator Predictive Engine Oil Life Algorithm - A system including one or more generators predicts engine oil life. Generator data is received or generated by a controller. The generator data describes the operation of the generator including a load placed on the generator. Engine data may also be received or generated by the controller describing an engine coupled to the generator. The controller calculates an estimated oil life based at least on the generator data and/or the engine data. | 11-26-2015 |
20160011074 | Pressure Profiling System | 01-14-2016 |
20160018288 | SYSTEM FOR DETECTING AN AIR FILTER CONDITION, IN PARTICULAR FOR COMBUSTION ENGINE - Method for detecting an air filter condition, in particular for combustion engines, comprising the following steps
| 01-21-2016 |
20160033465 | MOBILE-BASED COLLECTION OF WATER QUALITY MEASUREMENT DATA - Methods and arrangements for collecting data related to a water quality sample location. Identifying information of a water quality sample container is electronically obtained, and identifying information of a water quality sample location is electronically obtained. There is placed, in the container, a water sample from the water quality sample location. There is stored the identifying information of the water quality sample container and the identifying information of the water quality sample location; such storing includes associating the identifying information of the water quality sample container and the identifying information of the water quality sample location. Other variants and embodiments are broadly contemplated herein, including methods and arrangements for validating water quality sample data. | 02-04-2016 |
20160061799 | WIRELESS COMBUSTION/EFFICIENCY ANALYZER - A technician uses a wireless apparatus and system to vary air or fuel in the burner to optimize efficiency and safety. A wireless remote sensor unit has a probe in a flue to draw a sample of combustion gas from the flue for gas sensors and a temperature sensor. The sensors generate analog signals of gas identity, concentration and temperature that are converted to digital signals by an A-to-D converter. A wireless transceiver sends digital signals to a hand held unit or central computer via wireless transmission. The hand held unit receives the digital signals and displays an analysis of the signals. The analysis may be performed by any one of the remote sensor unit, the hand held unit, or the central computer. The wireless unit also receives control signals for the hand held unit or the central computer. | 03-03-2016 |
20160069766 | DETERMINING INLET MANIFOLD PRESSURE OF ENGINE - A method for determining inlet manifold pressure of an engine includes receiving a first set of inputs form a first sensor. The first set of inputs being indicative of speed of the engine. The method includes receiving a second set of inputs from a second sensor. The second set of inputs being indicative of rate of fuel supplied to the engine. The method includes generating a three dimensional (3D) map via a control module based on the first set of inputs, the second set of inputs and a data indicative of a set of inlet manifold pressures. The data indicative of the set of manifold pressures correspond to historical data generated based on the first set of inputs and the second set of inputs. The method includes obtaining a request to determine inlet manifold pressure. Further, the inlet manifold pressure is determined from the 3D map based on the request. | 03-10-2016 |
20160106368 | METHOD AND APPARATUS FOR PROVIDING MOVEMENT DETECTION BASED ON AIR PRESSURE DATA - An approach is provided for determining movement information for at least one user device based, at least in part, on air pressure sensor data. The approach involves determining reference air pressure data associated with a reference set of devices. The approach also involves processing and/or facilitating a processing of the reference air pressure data to cause, at least in part, a classification of the reference air pressure data into one or more candidate movement status categories. The approach further involves determining air pressure sensor data associated with at least one user device. The approach also involves determining at least one movement status category for the at least one user device from among the one or more candidate movement status categories based, at least in part, on the classification. | 04-21-2016 |
20160109318 | SMARTPHONE OPERATED AIR PRESSURE METER AND SYSTEM - A smartphone-operated air pressure meter and system includes an air pressure meter having a pair of input channels that are each connected to a pressure chamber and pressure sensor. A control unit is included with the pressure meter for receiving air pressure data and for transmitting the same. The system also includes an airflow balancing application that generates one or more application icons, and calculates airflow information. The airflow information can include the received pressure data alone, or pressure data that has been applied to a mathematical algorithm, along with environmental data. | 04-21-2016 |
20160116391 | METHOD FOR ONLINE MEASUREMENT OF LOCAL PERMEABILITY IN RESIN TRANSFER MOLDING - A method for online measurement of local permeability in resin transfer molding adopts a detection module, which includes a pressure transducer unit, at least one image capture device and a processing unit electrically connected with the pressure transducer unit and the image capture device, to measure the local permeability of the flowing resin on line. | 04-28-2016 |
20160123841 | METHOD FOR PROCESSING A VOLTAGE SIGNAL RELATING TO THE PRESSURE PREVAILING IN A COMBUSTION CHAMBER OF A CYLINDER OF AN INTERNAL COMBUSTION ENGINE - A method for processing a voltage signal relating to the pressure prevailing in a combustion chamber of a cylinder of an internal combustion engine, the signal, referred to as an “input signal”, having, in alternation, “plateau” phases and main peak phases. The method includes a step (E | 05-05-2016 |
20160131547 | TIRE PRESSURE DECREASE DETECTION APPARATUS, METHOD, AND PROGRAM - A tire pressure decrease detection apparatus comprising a rotation speed information detection unit for detecting rotation speed information of wheels of a vehicle, a resonance frequency estimate unit for time-series estimating a torsional resonance frequency of the rotation speed information from the rotation speed information obtained by the rotation speed information detection unit, and a judgment unit for judging a decrease in pressure of tires installed in the wheels based on the estimated torsional resonance frequency. The resonance frequency estimate unit includes a noise removal unit for removing a noise superimposed on a wheel speed signal serving as the rotation speed information for each of the wheels with using an active noise control technology. | 05-12-2016 |
20160131624 | CARBON DIOXIDE GROUND LEAKAGE MONITORING SYSTEM - Provided is a carbon dioxide ground leakage monitoring system that is low cost, capable of real-time multi-point monitoring on a wide scale, and capable of providing the public with easy-to-understand information. | 05-12-2016 |
20160146777 | INTEGRATED USER INTERFACE FOR STATUS AND CONTROL OF A SUBMERSIBLE MULTI-PARAMETER SONDE - Provided are multi-parameter sonde systems having a unique integrated user interface for ease of set-up and control, service and maintenance, even in the field and without accessory controllers. The necessary components, such as central processing unit, display and accelerometer are positioned in a water-tight housing, with the display configured for convenient observability and readability. A plurality of sensors provide electronic signals to the CPU, such as by a measurement subsystem. Upon a controlled change in orientation or a force application to the sonde, the display via the accelerometer provides a desired output display configuration. | 05-26-2016 |
20160169137 | SENSOR CONTROL APPARATUS AND GAS DETECTION SYSTEM | 06-16-2016 |
20160169761 | METHOD AND SYSTEM FOR ICING CONDITION DETECTION | 06-16-2016 |
20160195506 | ESTIMATION OF COLD-FLOW PROPERTIES OF REFINERY PRODUCT BLENDS | 07-07-2016 |
20160200154 | Method and System for Ascertaining a Pressure Ratio Between a Setpoint Tire Pressure and an Actual Tire Pressure for a Tire of a Vehicle | 07-14-2016 |
20160202228 | WATER QUALITY MONITORING AND EARLY EVENT DETECTION | 07-14-2016 |
20160252487 | SENSOR HUB METHOD AND APPARATUS FOR AN ELECTRICAL OUTLET | 09-01-2016 |
20160375735 | APPARATUS AND METHOD FOR MONITORING TIRE PRESSURE ACCORDING TO TIRE CHARACTERISTIC - The present invention relates to an apparatus and a method for monitoring tire pressure according to a tire characteristic. An apparatus for monitoring a tire pressure according to a tire characteristic according to an exemplary embodiment of the present invention includes: a frequency calculating unit calculating a speed interval specific mean frequency by accumulating and averaging frequency data for each speed interval; a tire searching unit searching a tire corresponding to the calculated speed interval specific mean frequency by comparing the calculated speed interval specific mean frequency with a prestored tire specific mean frequency; a low-pressure threshold selecting unit selecting a low-pressure probability threshold depending on the searched tire; and a low-pressure determining unit determining a low pressure by calculating an integration low-pressure probability by integrating frequency and dynamic radius low-pressure probabilities and comparing the selected low-pressure probability threshold and the calculated integration low-pressure probability. | 12-29-2016 |
20160377504 | VORTEX IDENTIFICATION METHODS AND TOOLS - A vortex detection method is described. The method comprises storing a plurality of points at locations over a region ( | 12-29-2016 |
20170234200 | VIRTUAL REDUCTANT LEVEL SENSOR | 08-17-2017 |