Abstract: Products and processes are provided herewith for analyzing octane content in a fuel sample that include the step or steps of receiving an octane measurement of a fuel sample from a octane analyzer, rounding the octane measurement to a nearest recognized octane rating, comparing the rounded octane measurement with a listed octane rating for the fuel sample, and communicating results of the comparison to a user of the octane analyzer. The octane analyzer may be incorporated into a fuel pump or a vehicle. The results of the comparison may also be used to adjust the vehicle operating parameters to account for the actual octane rating of the fuel dispensed into the vehicle.

Abstract: A device for evaluating working surface fretting wear characteristics comprises a bottom holder with a sample secured thereto, springs displacing in the X and Y direction, multilayer piezo elements moving in the X, Y, and Z directions, a housing, a top plate/holder, a linear air bearing housing, a spherical upper sample, a linear air bearing shaft, a three-way force sensor, a moving support of the flat air bearing and the flat air bearing housing, a high frequency generator, an amplifier, a controller, an electrical filter, a computer, a force sensor signal amplifier, and a flat air bearing. Instead of springs, it can comprise additional multilayer piezo elements moving in the X and Y directions. The device performs testing surface wear under conditions nearer to actual fretting wear conditions, continuously observing friction pair condition changes during testing and evaluating wear characteristics of the tested material more accurately.

Abstract: A method for computing a correction factor (KF) for an angular measuring system (10) comprising a measurement of a first output value (W1) in a first measuring position (20) and a measurement of a second output value (W2) in a second measuring position (30). An actual value (DI) is formed from the difference between the first output value (W1) and the second output value (W2), and a target value (DS) is formed from the difference of target values (S1, S2) in the first measuring position (20) and in the second measuring position (30). The correction factor (KF) is computed from the ratio of the target value (DS) to the actual value (DI).

Abstract: A method of pressure testing a closed hydraulic system for leaks includes heating or cooling pressure intensification fluid before it enters the closed hydraulic system under pressure. The closed hydraulic system may be for example a blowout preventer for an oil/gas well, a manifold system or tubulars. The intensification fluid is heated or cooled to a temperature at or near the temperature of the fluid within the closed hydraulic system.

Abstract: A handheld solid sample pipette device includes a pipette tube with a number of sharpened teeth adapted to pierce solid or substantially solid sample material, the pipette tube adapted to be matingly attached to a device that includes a handle, a plunger, and a piston within a shell of the device. A spring may be positioned to return the plunger to a non-depressed position following depression of the plunger. A sample of the material can be ejected from the handheld device. The handheld device may further include a shear ring apparatus, that in-turn includes a tube portion, a plurality of shear ring teeth, and a knobbed plate for rotating the shear ring. Following insertion of the pipette with sharpened teeth into the sample, the shear ring apparatus is pressed into the sample as well, such that the shear ring tube, which is slidingly engaged about the pipette tube, slides over the pipette tube into the sample.

Abstract: According to one embodiment, a computer-implemented method for prognostic for flow sensor is provided. The method includes receiving a first input, the first input related to an input power of a motor for driving a compressor, and receiving a second input, the second input related to a temperature differential of the compressor. The method also includes calculating an estimated airflow based on the first input and the second input, and exporting data associated with the first input, the second input, and the estimated airflow.

Abstract: A tank and liquid level indicator has first housing that holds a liquid and a second elongated housing in fluid communication with the first elongated housing so that a liquid level in the second housing is approximately equal to the level in the first housing. A float in the second housing cooperates with the circuitry to operate one or more light switches. A light-transmissive cover is disposed over the light source.

Abstract: A particulate matter sensor is disposed in an exhaust line of an exhaust system, and configured to sense particulate matter included in exhaust gas. The particulate matter sensor includes: a first substrate, a second substrate, and a third substrate stacked sequentially from a bottom to form a sensing unit at one end part and a signal processor at another end part. The sensing unit includes: a reference electrode formed on one surface of the first substrate and having a constant capacitance value; a temperature sensor formed on one surface of the second substrate and sensing a temperature and a heater electrode disposed to be adjacent to the temperature sensor; and a main electrode formed on one surface of the third substrate and having a capacitance value that is varied by the particulate matter.

Abstract: An electronic device and method for calibrating a gyro sensor thereof is disclosed. The electronic device includes an acceleration sensor configured to measure an acceleration of the electronic device, a gyro sensor configured to measure an angular velocity of the electronic device, and a sensor control module configured to set a calibration period of the gyro sensor based on a state of the electronic device, to determine a stop state of the electronic device using the acceleration sensor if the set calibration period arrives, and to calibrate the gyro sensor if the electronic device is determined to be at a stop state.

Abstract: An ultrasonic flowmeter for measuring the flow speed and/or the volumetric flow rate of a fluid includes a measurement sensor, at least two ultrasonic transducers, a pressure sensor, and a calibration connector. The ultrasonic flowmeter allows a simple and inexpensive calibration of the pressure sensor in the flowmeter.

Abstract: An online method for reconfiguring pressure and position sensors in a hydraulic system is disclosed. In one step, a sensor drift condition, a recalibration request, or an unisolated fault condition is detected. In another step, a system pressure sensor or another sensor, such as a load-sense pressure sensor, is verified as a trusted master reference sensor. Another step includes measuring and recording a first pressure reading at the master reference sensor and first voltage readings associated with first, second, third, and fourth pressure slave sensors at a first pump pressure set point. Another step includes, repeating the previous step at a second pump pressure set point. A new gain and offset for each of the first, second, third, and fourth pressure sensors can be calculated based on a comparison of the recoded first and second pressure readings and the recorded first and second voltage readings.

Abstract: The present invention is related to the field of bio/chemical sensing, assays and applications. Particularly, the present invention is related to collecting a small amount of a vapor condensate sample (e.g. the exhaled breath condensate (EBC) from a subject of a volume as small as 10 fL (femto-Liter) in a single drop), preventing or significantly reducing an evaporation of the collected vapor condensate sample, analyzing the sample, analyzing the sample by mobile-phone, and performing such collection and analysis by a person without any professionals.

Abstract: A sensor device includes a housing having a hole allowing substances to pass from an exterior of the housing to an interior of the housing, and a printed circuit board having a humidity sensor and at least one electronic component. The sensor device also includes a tube comprising a waterproof material, wherein a first end of the tube surrounds the humidity sensor, wherein a first seal is formed by between the first end of the tube and the printed circuit board, wherein a second end of the tube is located proximate the hole. The sensor device also includes a waterproof, breathable material layer disposed between the second end of the tube and the hole, wherein a second seal is formed between the material layer and the housing, wherein a third seal is formed between the material layer and the second end of the tube. The hole and the material layer allow water vapor to pass from the exterior to the humidity sensor.

Abstract: The present application relates generally rheometers. In one aspect, misalignment of the air cylinder with respect to the cross-head is accommodated using a flexible coupling between the air cylinder and the cross-head so as to prevent binding and stuttering of the machine due to misalignment.

Abstract: A compressor includes a shell, a first temperature sensor, a second temperature sensor, and a control module. The shell includes a motor, a compression mechanism and a lubricant sump. The first temperature sensor is at least partially disposed within the shell and configured to measure a first temperature of a lubricant at a first position. The second temperature sensor is at least partially disposed within the shell and configured to measure a second temperature of the lubricant at a second position that is vertically higher than the first position. The control module is in communication with the first and second temperature sensors and configured to determine a first difference between the first temperature and the second temperature. The control module is configured to determine whether a liquid level of the lubricant in the lubricant sump is below a predetermined level based on the first difference.

Abstract: A system for on-stream sampling of pressurized process fluid such as natural gas or the like, said pressurized process fluid in the form of gas having liquid entrained therein, or otherwise referenced as multiphase or “wet”. The preferred embodiment of the present invention contemplates a system for obtaining an accurate sample of said process gas in such a manner as to avoid the inherent problems with multi-phase gas streams, via sampling said multi-phase gas stream in its dense phase.

Abstract: A container for collecting a biological specimen is provided that includes a peripheral wall extending from a base. The container further includes a longitudinal tower disposed within the container. The tower forms a partition within the container to form at least a first chamber and a second chamber therein, wherein the first and second chambers are in fluid communication with one another. In addition, the container include an insert disposed within the container opposite the base, the insert comprising at least a first opening and a second opening. The second opening provides access to the second chamber and is further configured to engage a specimen collecting device to leave a portion of the specimen collecting device within the second chamber. The first opening provides access to the first chamber and is further configured to receive a syringe therein for accessing the biological specimen. Associated systems and methods are also provided.

Abstract: An indicating device, in particular a pressure gauge, including: a basic housing including a mechanism for driving a rotating needle indicator, movable relative to a dial, an interface housing attached to the basic housing, at least one rotary screen carried by the interface housing, for locating an operating area, of which the angular position can be adjusted about the axis of the needle, a protective cover removable attached to the interface housing and making it possible, when removed, to adjust the position of the rotary screen without separating the interface housing from the basic housing.

Abstract: A method for monitoring an electric submersible pump. The method includes acquiring a baseline signature for the electric submersible pump in a first environment, acquiring a downhole signature for the electric submersible pump in a downhole environment while the electric submersible pump is confirmed to be healthy, applying an operator to the baseline signature and the downhole signature that results in a downhole noise component, acquiring a vibration signature for the electric submersible pump in the downhole environment while the electric submersible pump is in an operating mode, removing the downhole noise component from the vibration signature to produce an isolated electric submersible pump signature, and determining a health status of the electric submersible pump based on the isolated electric submersible pump signature.

Abstract: Described herein are embodiments of a system for monitoring and detecting a level of a tank storing a material. The system may be used in making a determination of whether and/or when to provide additional material to the tank, to refill the tank partially or entirely. In some embodiments, the tank may be disposed at a premises such as a residence or commercial building and the system may be disposed in part at that premises to monitor the level of the material in the tank. In some embodiments, the material may be a fuel and the tank may be a fuel tank, to provide fuel to utilities equipment at the premises. In other embodiments, the tank may include other materials, such as other utilities materials. In some embodiments, the utilities material may be potable water.