Abstract: A sample ampoule for calorimetric measurements includes a vial, a lid and a sealing member. The vial, lid and sealing member are adapted to form a hermetically sealed sample ampoule. The vial has a first contact surface and the lid has a second contact surface, the first and second contact surfaces are in contact with each other in a sealed position of the ampoule, and the vial and lid are formed out of materials with different strength.

Abstract: A sample ampoule for calorimetric measurements includes a vial, a lid and a sealing member. The vial, lid and sealing member are adapted to form a hermetically sealed sample ampoule. The vial has a first contact surface and the lid has a second contact surface, the first and second contact surfaces are in contact with each other in a sealed position of the ampoule, and the vial and lid are formed out of materials with different strength.

Abstract: A sample holder adapted to parallel sample isothermal calorimetry performed using microtiter plate layout and horizontal sample loading with a mechanism where the individual sample vials can be individually vertically variable. The sample holder includes a sample holder plate and a surrounding frame, where the sample holder plate is constructed of a multi material low mass multi-layer sandwich and the surrounding frame is constructed of a low mass material with high heat conductivity.

Abstract: A sample vial for calorimetric measurements is of low mass, and the vial is at least partially coated with an infrared reflective coating on the outside of the vial. A lid is adapted to form an ampoule together with the vial.

Abstract: A method for adaptive compensation of a temperature drift of a sensor, designed to measure the torque of a shaft or a drive train or the force in mechanical equipment during operation. A sensor signal is recurrently measured. An associated temperature is determined. An offset value is calculated as a function of temperature based on measured and stored data. The measured signal value is compensated using the calculated offset value. When the sensor is unloaded or nearly unloaded is detected. When the sensor is unloaded or nearly unloaded the signal sensor signal value and the associated temperature value are stored in a memory and a model of the sensor offset is updated. A system and computer program product for adaptive compensation of the temperature drift of such a sensor signal offset.

Abstract: A method for adaptive compensation of a temperature drift of a sensor, designed to measure the torque of a shaft or a drive train or the force in mechanical equipment during operation. A sensor signal is recurrently measured. An associated temperature is determined. An offset value is calculated as a function of temperature based on measured and stored data. The measured signal value is compensated using the calculated offset value. When the sensor is unloaded or nearly unloaded is detected. When the sensor is unloaded or nearly unloaded the signal sensor signal value and the associated temperature value are stored in a memory and a model of the sensor offset is updated. A system and computer program product for adaptive compensation of the temperature drift of such a sensor signal offset.

Abstract: The present invention relates to a magnetostrictive sensor for measuring a torque in a shaft. The sensor comprises at least one active magnetostrictive region on the shaft, a surface pattern in the magnetostrictive region such that it obtains anisotropic properties, a first means arranged to generate a magnetic field varying in time in the magnetostrictive region and a second means arranged to sense variation in the permeability in the magnetostrictive region. Said magnetostrictive region comprises a first layer of a magnetostrictive material which is provided on the surface of the shaft and that said surface pattern is formed by a second layer of a non-magnetostrictive material comprising a low resistivity.

Abstract: The present invention relates to a magnetostrictive sensor for measuring a torque in a shaft (1). The sensor comprises at least one active magnetostrictive region (2) on the shaft (1), a surface pattern in the magnetostrictive region such that it obtains anisotropic properties, a first means (5) arranged to generate a magnetic field varying in time in the magnetostrictive region (2) and a second means (9) arranged to sense variation in the permeability in the magnetostrictive region (2). Said magnetostrictive region (2) comprises a first layer (3) of a magnetostrictive material which is provided on the surface of the shaft (1) and that said surface pattern is formed by a second layer (4) of a non-magnetostrictive material comprising a low resistivity.

Abstract: A method for detection of misfiring of an internal combustion engine, wherein the torque of the internal combustion engine is measured with the aid of a torque sensor mounted on the crankshaft of the internal combustion engine and wherein a torque signal is sampled speed-synchronously with the aid of a sensor. A digital filtering of the torque signal is carried out with a digital filter with a finite impulse response which blocks or damps a selection of integer or half-integer multiples of the speed of the internal combustion engine. The selection of speed multiples is substantially dependent on the number of cylinders of the internal combustion engine.