| Entries |
| Document | Title | Date |
|---|
| 20080216556 | WIRELESS FLUID PRESSURE SENSOR - A battery powered wireless fluid pressure sensor has a sealed chamber which can be vented to the outside atmosphere through a re-sealable reference port to allow a user to set the reference atmosphere inside the pressure sensor enabling the pressure sensor to provide absolute, gauge and true gauge pressure readings. The sensor calculates and transmits the fluid pressure taking into account the temperature of the pressure transducer, the temperature of the electronic devices and the barometric pressure inside the sealed chamber to provide accurate pressure measurements over a wide range of operating conditions. | 09-11-2008 |
| 20080307854 | METHOD AND KIT FOR MAINTAINING A STERILE ENVIRONMENT DURING CALIBRATION OF A MEDICAL DEVICE - A method for maintaining a medical device in a sterile atmosphere at a desired temperature during a calibration step is provided. The method includes packaging a medical device and temperature indicator in a sterile container such that the indicator is visible to a user. Next, heat can be applied to the container in order to stabilize the temperature of the container (as indicated by the encased temperature indicator) at room temperature. Once at room temperature, the device can be calibrated while remaining in the sterile atmosphere. A kit including such a container and a set of instructions is also provided. Like above, the container of the kit can include a sterile medical device and temperature indicator such that the device can be maintained in a sterile environment during calibration and/or zeroing. As such, the method and kit allow for increased precision and safety in performing medical procedures. | 12-18-2008 |
| 20090151423 | PRESSURE MEASURING DEVICE AND METHOD - A device to measure a fluid pressure comprises a pressure sensing element | 06-18-2009 |
| 20090178462 | Method for creating a Low Fluid Pressure Differential Electrical Generating System - This invention involves a method of creating a hydroelectric turbine system that is capable of producing electricity while sustaining a majority of the fluid flow or hydraulic pressure within the pipe line or pipe network driving the system. The system's objective is to shave as little pressure as possible from an enclosed pipe system that requires pressure to operate and function properly. More particularly, this invention relates to a hydroelectric turbine generator system wherein the system is specially designed and configured with an unique impeller and fluted turbine housing that enable a generator device to produce a particular amount of electric current and voltage, while yet minimizing flow restriction and pressure loss to the fluid pressure driving the system. Application of this technology includes all fluid flow or fluid transfer systems that require sustained pressure to move fluids like water or other materials from one location or point to another, through pipes, pipe systems or networks, regardless of distance or pipe size diameters. This invention, for example will be ideally suited for powering electronic control or monitoring systems in landscapes, parks, roadway easements, golf courses or public water transfer systems or other remote sites that may require power. Utilization of this invention provides an ecological and reliable energy production source, usually on a small scale, in remote locations where incorporating other forms of power supply may be less practical, impractical or impossible. | 07-16-2009 |
| 20100005851 | SELF-CALIBRATING PRESSURE SENSOR - The present invention is system and method for providing a self-calibrating pressure sensor. A pressure sensor apparatus comprises a diaphragm, at least one driving element operably coupled to the diaphragm configured to induce deflection in the diaphragm, and at least one strain gauge coupled to the diaphragm. The at least one strain gauge measures the deflection of the diaphragm. Typically, the driving elements will be piezoelectric drivers and will be operably coupled to the diaphragm. A method for evaluating a pressure sensor comprises inducing deflection in a diaphragm, measuring the deflection, determining the frequency-dependent response, calculating mechanical characteristics of the diaphragm from the frequency-dependent response, and calculating a response coefficient for the diaphragm based in part on said mechanical characteristics. The response coefficient is used to evaluate the sensor. The sensor can then be re-calibrated or self-calibrated based on the response coefficient. | 01-14-2010 |
| 20100024517 | Pressure Gauge - This invention is a pressure gauge designed to measure pressure over a very wide range of pressures, while maintaining a very high accuracy throughout the range. This invention reduces the number of gauges someone would need to accurately measure pressure over a wide range. | 02-04-2010 |
| 20100071440 | PRESSURE SENSOR WITH INTEGRATED TEST DEVICE AND METHOD FOR TESTING SUCH A SENSOR - The invention relates to a pressure sensor comprising a housing, a membrane and at least one measuring element for measuring a pressure acting upon the membrane from outside the housing. The pressure sensor also comprises a channel system, inside the housing, which system can be filled with a test medium. The channel system comprises at least one pressure chamber. The pressure chamber is arranged in such a manner that a defined test pressure applied therein produces a known pressure change in the measuring element. | 03-25-2010 |
| 20100077829 | LOW DIFFERENTIAL PRESSURE MONITORING SYSTEM FOR ROOMS - A pressure monitoring apparatus ( | 04-01-2010 |
| 20100083731 | Pressure-based diagnostic system for process transmitter - A process transmitter for measuring a process variable in an industrial process comprises a gauge pressure sensor, an excitation source and transmitter circuitry. The gauge pressure sensor measures a pressure difference between a process fluid and a reference volume, and generates a pressure sensor signal representing the pressure difference. The excitation source generates a pressure pulse within the reference volume to influence generation of the pressure sensor signal. The transmitter circuitry is connected to the gauge pressure sensor to provide an output related to a change in the pressure sensor signal due to the pressure pulse. | 04-08-2010 |
| 20100212396 | DOWNHOLE SENSOR APPARATUS AND METHOD - The present invention relates to a sensor assembly for downhole use in a wellbore. This invention also relates to a new pack-off assembly housing the sensor. The new pack-off assembly protects the sensor from the environment and from impact damage. Additionally, the new pack-off assembly allows for the testing of the sensor immediately prior to insertion into the wellbore. | 08-26-2010 |
| 20100229624 | APPARATUS FOR CORRECTING OUTPUT OF CYLINDER INTERNAL PRESSURE SENSOR, AND CYLINDER INTERNAL PRESSURE DETECTION APPARATUS INCLUDING THE SAME - An output correction apparatus that corrects offset drift of a cylinder internal pressure sensor, and a cylinder internal pressure detection apparatus that accurately detects cylinder internal pressure of an internal combustion engine through use of the output correction apparatus. The cylinder internal pressure detection apparatus includes a detection circuit section which detects a change in the resistance of a piezoresistor element as an electrical signal; an amplification circuit section which amplifies and outputs the electrical signal (output value); and a correction circuit section which corrects the output value. The correction circuit section includes a reset control section which resets the output value of the amplification circuit section to a reference value, and a reset timing detection section which determines a timing of the resetting. | 09-16-2010 |
| 20100275673 | METHOD OF CALIBRATING PRESSURE MEASUREMENT UNIT - It is an object of the present invention to provide a method of calibrating a pressure measurement unit for measuring the pressure inside an extracorporeal circuit while avoiding contact with the air, in which, even when the connection between an air chamber of the pressure measurement unit and a pressure measurement means is disengaged accidentally or intentionally after the operation of changing the pressure inside the extracorporeal circuit from the initial pressure, the pressure measurement unit can be reconnected and the pressure inside the extracorporeal circuit can be measured stably. | 11-04-2010 |
| 20110005297 | METHOD OF ADJUSTING AN APPARATUS COMPRISING A FLEXIBLE TUBE PRE-TENSIONED WITH A LIQUID AND CONNECTED TO A PRESSURE SENSOR - The present invention concerns a method of adjusting (taring), or re-calibrating respectively of an apparatus comprising a previously pressurized liquid-filled flexible tube, such as used in the steering mechanism of vehicles (steering wheel, handlebar) for detecting panic reactions by the driver and for activating safety measures, or for detecting the presence of a person sitting on the seat of an automobile and e.g. for measuring the weight of that person and for accordingly adapting the safety measures. | 01-13-2011 |
| 20110048101 | METHOD FOR CALIBRATING A SENSOR WITHIN AN ENCLOSURE; SENSOR, DISPOSABLE, AND TREATMENT DEVICE INCLUDING A LIKE SENSOR - The invention relates to a method for calibrating sensors, in particular RFID sensors, within an enclosure such as, e.g., a sterilization chamber. It furthermore relates to a sensor calibrated by the method of the invention, a disposable device including such a sensor, as well as a treatment device. | 03-03-2011 |
| 20110088447 | DIAGNOSTIC METHOD AND APPARATUS FOR THERMAL REGENERATOR AFTER-TREATMENT DEVICE - A method and apparatus for identifying a component failure within a thermal regenerator operates as follows. The burner control unit monitors at least one of a fuel pump characteristic for a fuel pump and an ignition system characteristic for an ignition system. The fuel pump is used to supply fuel to a fuel-fired burner and the ignition system is used to ignite fuel supplied to the fuel-fired burner. The fuel pump characteristic is communicated to the burner control unit which compares the fuel pump characteristic to a predetermined fuel pump criteria. The ignition system characteristic is communicated to the burner control unit which compares the ignition system characteristic to a predetermined ignition system criteria. The burner control unit identifies a fuel pump failure when the fuel pump characteristic does not meet the fuel pump criteria, and identifies an ignition system failure when the ignition system characteristic does not meet the ignition system criteria. | 04-21-2011 |
| 20110126608 | OUT-OF-RANGE SENSOR RECALIBRATION - A method for resetting a calibration of a sensor operating out-of-range in a hydraulic actuation system is provided. The hydraulic actuation system includes a pump, a reservoir, a plurality of work-ports, a plurality of sensors, and a valve system, and a controller for regulating the hydraulic actuation system based on fluid flow demand and sensed pressures. The method includes detecting the sensor operating out-of-range, opening all work-ports to the reservoir, resetting all sensors to reservoir pressure, supplying all sensors with fluid at maximum pump pressure, and sensing the maximum pump pressure at each sensor. Additionally, the method includes determining an average pressure value across all sensors, assigning the determined average pressure value to the sensor that is operating out-of-range, and resetting the calibration of the sensor that is operating out-of-range based on the reservoir pressure and the average pressure values. | 06-02-2011 |
| 20110146370 | SENSOR HAVING AN INTERNAL CALIBRATION STRUCTURE - A sensor has a measuring element that measures forces. The measuring element measures direct forces or measurement variables which are converted into forces by means of a measurement variable converter in the sensor. The sensor includes a structure that converts test pressure guided into the sensor into a test force that stresses the measuring element in the same manner as the phenomenon that is to be measured by the sensor. | 06-23-2011 |
| 20120060583 | CALIBRATION OF A PRESSURE SENSOR IN A HYDROGEN STORAGE SYSTEM - A method and system for automatically calibrating a pressure sensor in a hydrogen storage system for a fuel cell vehicle. A low-range pressure sensor in the fuel cell system, which has much greater accuracy at low pressure readings, is used to calibrate a high-range pressure sensor in the hydrogen storage system. This calibration can only be done when a pressure regulator situated between the two sensors is in a fully open position. In such a condition, the high-range sensor can be calibrated to the value of the low-range sensor, thus improving the accuracy of the high-range sensor's readings. The calibration can be a simple setting of the high-range sensor to the value of the low-range sensor under static conditions, or the calibration can be done while gas is flowing from the hydrogen storage system to the fuel cell by accounting for the pressure drop between the two sensors. | 03-15-2012 |
| 20120060584 | CALIBRATION OF ALL PRESSURE TRANSDUCERS IN A HYDROGEN STORAGE SYSTEM - A method and system for automatically calibrating all pressure sensors in a hydrogen storage system for a fuel cell vehicle. A pressure regulator in the hydrogen storage system, which has much greater accuracy at low pressures, is used to calibrate the high-range pressure sensors used in the hydrogen storage system. This calibration can only be done when the pressure regulator is in a fully open position. In such a condition, the pressure sensors can be calibrated to the regulation pressure value of the regulator, thus greatly improving the accuracy of the readings of the high-range sensors at the low end of their range. The calibration can be performed during fuel cell operation under certain circumstances, performed during a programmed shutdown sequence, or performed in a service procedure. | 03-15-2012 |
| 20120167659 | PRESSURE SENSOR WITH PRESSURE-ACTUATED SWITCH - Various embodiments relate to a pressure sensor and related methods of manufacturing and use. A pressure sensor may include an electrical contact included in a flexible membrane that deflects in response to a measured ambient pressure. The electrical contact may be separated from a signal path through a cavity formed using a sacrificial layer and PVD plugs. At one or more defined touch-point pressure thresholds, the membrane of the pressure sensor may deflect so that the state of contact between an electrical contact and one or more sections of a signal path may change. In some embodiments, the change of state may cause the pressure sensor to trigger an alarm in the electrical circuit. Various embodiments also enable the operation of the electrical circuit for testing and calibration through the use of one or more actuation electrode layers. | 07-05-2012 |
| 20120240659 | GAUGE WITH VISUAL CALIBRATION CONFIRMATION AND RELATED METHOD - A device for taking pressure readings on a HVAC system includes a first needle connectable in communication with the HVAC system for taking a first pressure reading thereof. The first needle is mounted within a first gauge and configured to self-calibrate. The device further includes a second needle connectable in communication with the HVAC system for taking a second pressure reading thereof that is independent of the first pressure reading. The second needle is mounted within a second gauge and configured to self-calibrate. A first stepper motor actuates the first needle and a second stepper motor actuates the second needle. A microcontroller controls the first and second stepper motors to move the needles to a plurality of respective positions and thereby visually confirm calibration. | 09-27-2012 |
| 20130031949 | METHOD AND A DEVICE FOR CORRECTING A MEASUREMENT OF THE PRESSURE OF A GAS STREAM FLOWING IN AN AIRCRAFT ENGINE - A method to correct a current measurement of pressure of a gas stream delivered during a mission by a sensor in the engine. The method includes: estimating a drift error affecting the sensor on the basis of a difference existing between: (1) a calibration measurement of the pressure of the gas stream as delivered by the sensor in the engine, and (2) an atmospheric pressure measurement delivered by a sensor of the aircraft presenting accuracy greater than that of the sensor in the engine; these measurements being performed while the sensor in the engine and the sensor of the aircraft are subjected to same surrounding atmospheric pressure; and subtracting the estimated drift error from the current measurement. | 02-07-2013 |
| 20130098137 | TONOMETER CALIBRATION TOOL - A tool for calibrating a non-contact tonometer (NCT) comprises a body having a mating feature configured for removably mounting the body on the nosepiece or on the measurement head of the NCT, a pressure sensor carried by the body and arranged to receive an air pulse discharged by the NCT to provide a pressure signal in response to the air pulse, and a radiation emitter carried by the body, wherein the radiation emitter provides a pseudo-applanation event when the pressure signal reaches a predetermined level that is detectable by the NCT as though an actual corneal applanation had taken place. In one embodiment, the mating feature includes a mounting orifice for receiving a portion of the nosepiece. In another embodiment, the mating feature includes a pair of mounting pins sized for receipt by a corresponding pair of mounting holes in the measurement head of the NCT. | 04-25-2013 |
| 20130139565 | FERROFLUID MODIFIED FILL FLUID FOR PRESSURE TRANSMITTERS - A pressure transmitter for measuring a pressure of a process fluid comprises a transmitter housing, a pressure sensor, a hydraulic relay system, a ferrofluid and transmitter electronics. The capacitance-based pressure sensor senses the pressure of the process fluid and is disposed within the housing. The hydraulic relay system comprises an isolation diaphragm positioned on an exterior of the transmitter housing, and an isolation tube extending from the pressure sensor to the isolation diaphragm. The ferrofluid is located in the isolation tube to transmit a change in the pressure of the process fluid at the isolation diaphragm to the sensor. The transmitter electronics are positioned within the housing and are configured to receive and condition a pressure signal from the pressure sensor. | 06-06-2013 |
| 20130263643 | METHOD FOR MEASURING A MICROELECTROMECHANICAL SEMICONDUCTOR COMPONENT - The invention relates to a method for checking a pressure sensor comprising a reversibly deformable, in particular reversibly bendable measuring element ( | 10-10-2013 |
| 20130333440 | DIFFERENTIAL PRESSURE TRANSMITTER WITH PRESSURE SENSOR - A process variable transmitter for measuring a pressure of a process fluid includes a first inlet configured to couple to a first process pressure and a second inlet configured to couple to a second process pressure. A differential pressure sensor couples to the first and second inlets and provides an output related to a differential pressure between the first pressure and the second pressure. A first pressure sensor couples to the first inlet and provides an output related to the first pressure. Transmitter circuitry provides a transmitter output based upon the output from the differential pressure sensor and further provides enhanced functionality based upon the output from the first pressure sensor. | 12-19-2013 |
| 20140026633 | EXTREMUM SEEKING ALGORITHM IN A VARIABLE TIME INTERVAL TO DETECT ANODE PRESSURE SENSOR STUCK FAILURE IN A FUEL CELL SYSTEM - A system and method for detecting an anode pressure sensor failure in a fuel cell system. The system and method include a controller that sets an initial minimum anode pressure sensor value and an initial maximum anode pressure sensor value. The controller determines a desired time interval for sampling anode pressure measurements and determines a total number of samples of anode pressure measurements to be collected by the controller from an anode pressure sensor. The controller also compares a pressure difference between the initial or a measured minimum anode pressure and the initial or a measured maximum anode pressure to a predetermined pressure difference threshold and sets a pressure sensor fault if the pressure difference between the initial or measured minimum anode pressure and the initial or maximum anode pressure is less than the predetermined pressure difference threshold. | 01-30-2014 |
| 20140041437 | THERMAL DIAGNOSTIC FOR SINGLE-CRYSTAL PROCESS FLUID PRESSURE SENSOR - A method of verifying a condition of a single-crystal pressure sensor is provided. The method includes providing a single-crystal pressure sensor that has at least one electrical characteristic that varies with applied pressure being coupled to a first output and a second output. The pressure sensor also has at least one resistive element therein. A current is applied through the resistive element to heat the pressure sensor. At least one output of the pressure sensor is monitored to determine a response of the pressure sensor to current-induced heat. A verification output is provided based on the response. | 02-13-2014 |
| 20140182352 | System and Method for Evaluating the Functionality of a Blood Pressure Cuff - A system and method for evaluating the functionality of a blood pressure cuff. The system includes a support mandrel that receives a stimulation cuff connected to a blood pressure simulation device. The reference cuff is positioned around both the mandrel and the stimulation cuff and the blood pressure simulator is operated to inflate and deflate the stimulation cuff in a test pattern. A reference signal from the reference blood pressure cuff is received and stored for later analysis. Once the reference signal is recorded, a test blood pressure cuff is positioned around the stimulation cuff and the mandrel and the blood pressure simulator is operated to create the test pattern. An output signal from the test blood pressure cuff is recorded. The system compares the reference output signal to the test output signal to determine whether the test blood pressure cuff and the reference blood pressure cuff are functional equivalents. | 07-03-2014 |
| 20140190237 | OUTPUT SPECIFICATION CALIBRATING APPARATUS FOR CAPACITIVE PRESSURE SENSOR - An output specification calibrating apparatus for a capacitive pressure sensor. The output specification calibrating apparatus enables adjustment of non-linearity, offset, and gain of the capacitive pressure sensor in a software manner at the time of shipment. Accordingly, it is feasible to easily adjust output specifications of the capacitive pressure sensor and to thereby meet various needs of customers. | 07-10-2014 |
| 20140216127 | SEPARATED TYPE PRESSURE GAUGE - In order to basically solve the problem of the change with time of a standard barometric pressure including a vacuum in a standard pressure chamber of a separated type pressure gauge, provided is a separated type pressure gauge in which even if the atmospheric pressure in a standard pressure chamber of the separated type pressure gauge fluctuates due to, for example, the change with the passage of time, a standard barometric pressure in the standard pressure chamber is measured and can be calibrated. In the separated type pressure gauge having a standard pressure chamber, a heat conduction type barometric sensor is equipped in the standard pressure chamber, and the atmospheric pressure in the standard pressure chamber is measured constantly or as necessary to use the measured atmospheric pressure as a standard barometric pressure. The heat conduction type sensor uses a silicon substrate and includes an absolute temperature sensor. | 08-07-2014 |
| 20140260518 | System, Method, and Apparatus for Certifying a Brake Pressure Calibration for an End-of-Train Device - A system, method, and apparatus for certifying an end-of-train device pressure calibration is provided. The system includes a pressure calibration device configured to output a regulated pressure; and an end-of-train device comprising: a brake pipe interface adapted to receive the regulated pressure from the pressure calibration device; and a pressure sensing device configured to obtain a measured pressure by measuring the regulated pressure. At least one of the pressure calibration device and the end-of-train device comprises at least one controller configured to determine a calibration certification result based at least partially on a difference between the measured pressure and the regulated pressure. | 09-18-2014 |
| 20140260519 | SYSTEMS AND METHODS FOR IMPROVED DYNAMIC PRESSURE MEASUREMENTS - A method, device, or system is provided for improving dynamic pressure measurements. In one embodiment, a method comprises receiving, at a filter structure having a restricting tube, an input pressure having a static pressure (P | 09-18-2014 |
| 20140290329 | IN SITU PROBE WITH IMPROVED DIAGNOSTICS AND COMPENSATION - A process combustion transmitter is provided. The transmitter includes a process probe extendible into a flow of process combustion exhaust. The process probe has a measurement cell and a diffuser that define a chamber within the process probe. Electronic circuitry is coupled to the measurement cell and is configured to provide an indication relative to a combustion process based on an output signal of the measurement cell. A pressure sensor is coupled to the electronic circuitry and is fluidically coupled to the chamber. The electronic circuitry is configured to provide an adjusted calibration based on pressure measured within the chamber during a calibration. | 10-02-2014 |
| 20140373596 | LIQUID TRANSFER SYSTEMS AND METHODS OF CALIBRATION THEREOF - Disclosed are methods adapted to calibrate a liquid transfer system. The methods include providing a probe having a fluidly-coupled pressure sensor, the pressure sensor adapted to sense an aspiration pressure associated with the probe, performing one or more air aspirations and taking one or more pressure readings with the pressure sensor, and using one or more of the pressure readings to calibrate the pressure sensor. A novel liquid transfer system is also disclosed, as are other aspects. | 12-25-2014 |
| 20150013427 | METHOD FOR CALIBRATING A POSITION-MEASURING SYSTEM AND POSITION-MEASURING SYSTEM - A method is provided for calibrating a position-measuring system which includes the following steps: a) multiple measurements of a structure of a sample held by a sample stage at different pressures of the gaseous medium, in which the sample stage is arranged, b) ascertaining the pressure dependence when determining the position by use of an evaluation unit, c) establishing a calibration rule based on the ascertained pressure dependence, and d) applying the calibration rule when determining the position. | 01-15-2015 |
| 20150114080 | SYSTEM FOR CALIBRATION OF A COMPRESSOR UNIT IN A HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM - The present invention provides for a system for calibrating operation of a compressor unit in a heating, ventilation, and air conditioning (HVAC) system. A measuring device measures an operating parameter of the HVAC system at a position where the measuring device is mounted on a refrigerant line of the HVAC system. The measuring device switches states when the value of the measured operating parameter reaches a switching value. A controller estimates a value of the first operating parameter at the position where the first measuring device is mounted on the refrigerant line, and the controller determines whether the estimated first operating parameter is within a threshold percentage of the switching value. | 04-30-2015 |
| 20150114081 | COLLISION DETECTION SYSTEM AND FAILURE DETECTION METHOD - An outer panel and an inner panel of a vehicle door form a closed sealing chamber. A pressure sensor is attached to the inner panel to detect a pressure within the closed sealing chamber. The pressure sensor detects an increase in pressure caused by constriction of the closed sealing chamber when a collision occurs to a vehicle door. The in-vehicle speaker supplies a sound wave into the closed sealing chamber and detects, as an inspection pressure, a pressure in the closed sealing chamber when the sound wave is supplied. In an initial state of a vehicle, the inspection pressure is compared with an initial pressure threshold value, which is set based on a pressure in the closed sealing chamber generated when the sound wave is supplied. When the inspection pressure is equal to or lower than the initial pressure threshold value, it is detected that the air-tightness of the closed sealing chamber is lowered. | 04-30-2015 |
| 20150293008 | APPARATUS AND CALIBRATION METHOD FOR MEASUREMENT OF ULTRA-LOW PERMEABILITY AND POROSITY - Apparatus and calibration methods are disclosed for measuring the permeability and/or porosity of ultra-low permeable rock samples. The apparatus uses a gas source, a sample chamber, chambers of calibrated volume, and pressure measurement devices. | 10-15-2015 |
| 20150362395 | MEMS DEVICE CALIBRATION - One example discloses a MEMS device, including: a cavity having an internal environment; a seal isolating the internal environment from an external environment outside the MEMS device; wherein the seal is susceptible to damage in response to a calibration unsealing energy; wherein upon damage to the seal, a pathway forms which couples the internal environment to the external environment; and a calibration circuit capable of measuring the internal environment before and after damage to the seal. | 12-17-2015 |
| 20150369601 | FAULT ISOLATING ALTITUDE SPLITS - A method of isolating a source of an altitude split in a plurality of altitude sensors includes receiving a static pressure reading from a first altitude sensor and receiving a static pressure reading from a second altitude sensor. The method also includes comparing each of the static pressure readings with an expected static pressure value to determine which of the altitude sensors is the source of a split in altitude readings of the altitude sensors. | 12-24-2015 |
| 20160033351 | SYSTEM AND METHOD FOR CORRECTING OFFSET OF PRESSURE SENSOR - A system and method are provided for correcting an offset of a pressure sensor. The system includes a pressure sensor that is configured to detect pressure of the system and a power management module that is configured to automatically supply power to an apparatus connected to the power management module or terminate the supply of power after a preset time to thereby turn the apparatus on or off. The system further includes a controller connected to the power management module and configured to determine the offset of the pressure sensor based on a pressure value of the system which is detected by the pressure sensor when the power is supplied from the power management module. The system also includes a memory configured to store the determined offset. | 02-04-2016 |
| 20160033352 | HYDRAULIC PRESSURE CALIBRATOR AND CALIBRATION METHOD - The invention relates to a hydraulic pressure calibrator. The hydraulic pressure calibrator is a device for manipulating pressure of a hydraulic fluid in a controlled manner and can be used for calibration of pressure devices, such as hydraulic calibration and/or test applications. The calibrator comprises piping for accommodating a compressible hydraulic fluid to be pressurised. The piping has a connector for enabling a fluid connection to a device to be calibrated, such as a pressure standard. The calibrator further comprises a pressure transducer for sensing the pressure of hydraulic fluid inside the piping and a fluid pump for increasing pressure of hydraulic fluid inside the piping. Furthermore, the calibrator comprises an intensifier for intensifying fluid pressure provided by the pressure pump. In embodiments, the intensifier can have a piston assembly and the calibrator may further comprise a displacement transducer for sensing a change in position of said piston assembly. | 02-04-2016 |
| 20160041059 | SELF-LOCKING MODULAR PRESSURE CONTROLLER/CALIBRATION - A pressure controller/calibrator has multiple modules. Each module has a stage, an elongated rail fixed to chassis of the controller or the module, and resilient guides fixed to the other of the stage or the chassis. In one embodiment the rail has a proximate end at an edge of the chassis and a distal end inside the chassis. The distal end is of the rail wider than its proximate end. Between the two ends the rail has concave contours that cooperate with convex springs in the stage to hold the stage at a desired location in the chassis. | 02-11-2016 |
| 20160090933 | FUEL PRESSURE SENSOR ABNORMALITY DIAGNOSIS APPARATUS FOR INTERNAL COMBUSTION ENGINE - The fuel pressure sensor abnormality diagnosis apparatus diagnoses that a fuel pressure sensor is abnormal in the case where, because a state where a detected value of the fuel pressure sensor is less than a target value occurs, a fuel discharge amount of a fuel pump is increased, and as a result, the fuel discharge amount reaches its maximum amount, and even if a predetermined period has elapsed since the fuel discharge amount reaches its maximum amount, the detected value is less than the target value. | 03-31-2016 |
| 20160091385 | SYSTEMS AND METHODS FOR PRESSURE SENSOR CALIBRATION - Systems and methods are disclosed for calibrating a pressure sensor associated with a mobile device. Location information may be determined for the mobile device and used to obtain reference pressure information. The reference pressure information may then be used to calibrate the pressure sensor. Additionally, when the pressure sensor of the mobile device has been calibrated, output from the pressure sensor may be used as reference pressure information by another device. | 03-31-2016 |
| 20160146694 | Test Leak Device Having Integrated Pressure Sensor - A test leak device for calibrating or testing leak detection apparatuses, said test leak device having a pressurized gas container that has an inlet for filing in a test gas and a leak that has a predefined leak rate. The test leak device has an integrated pressure sensor that monitors the pressure in the pressurized gas container and is designed for the wireless transmission of the measured pressure values to a receiver. | 05-26-2016 |
| 20160161355 | PACKAGED SENSOR WITH INTEGRATED OFFSET CALIBRATION - A mechanism is provided to field adjust offset values for packaged sensors incorporated in devices. Embodiments provide for a processor in the sensor package to measure current environmental conditions and set a zero offset for the sensors in the package in light of those current environmental conditions. In this manner, any changes in the sensor over the sensor's lifetime and current environmental conditions that can affect functioning of the sensor can be accounted for in operational measurements taken by the device. | 06-09-2016 |
| 20160178470 | Wastegate Position Sensor for Wastegate and Engine Pressure Sensor Diagnostics | 06-23-2016 |
| 20170234756 | SYSTEMS AND METHODS FOR DIFFERENTIAL PRESSURE SENSOR CALIBRATION | 08-17-2017 |
