Abstract: Devices and methods for influencing an organism included in a fluid by a light source immersed in the fluid, wherein a motion of the light source in the fluid is or can be pre-set and/or adjusted. Culturing and killing/debilitating are examples of influencing an organism. A light source immersed in a culture milieu provides fouling free supply of photonic energy to the culture milieu growing phototropic or mixotrophic organisms and operating in continuous or semi continuous or batch or semi-batch mode. The light source for delivering light energy in a facility for culturing an organism, a device for delivering light energy in a facility for culturing an organism, a facility 30 culturing an organism, and a method for operating a facility for culturing an organism are provided.

Abstract: Disclosed is an inductive position sensor including, on the one hand, a primary winding and, on the other hand, at least two secondary windings each having a plurality of turns formed of a succession of sides and produced on two opposite faces of a printed circuit board. Two pairs of two adjacent sides of each turn of at least one secondary winding form a first point directed toward a first longitudinal end and a second point directed toward a second longitudinal end of the printed circuit board, a projection on a plane of the printed circuit board of the two adjacent sides of each pair defining between them an acute projected angle.

Abstract: This inductive position sensor is designed to measure the angular position of a shaft or the like and includes a support on which are realized, on the one hand, a primary winding, and on the other hand, at least two secondary windings in phase opposition with respect to each other. Each secondary winding is defined by a set of at least two loops in phase with each other. The secondary windings are connected in series and each arranged symmetrically with respect to a middle line so as to form each time a pattern on either side of this middle line, the two patterns having a separation between them in the area of said middle line. An assembly including such a sensor and a target with two oppositely directed helices.

Abstract: An inductive position sensor designed to measure the angular position of a shaft or the like and includes a support on which are realized, on the one hand, a primary winding, and on the other hand, at least two secondary windings in phase opposition with respect to each other. Each secondary winding is defined by a set of at least two loops in phase with each other. The secondary windings are connected in series and each arranged symmetrically with respect to a middle line so as to form each time a pattern on either side of this middle line, the two patterns having a separation between them in the area of said middle line. An assembly including such a sensor and a target with two oppositely directed helices.

Abstract: A device for the measurement of the angular position of a shaft, having: a support upon which a primary winding and at least two secondary windings in mutual phase opposition are configured, to form a first inductive positional sensor, and a second positional sensor having at least two secondary windings in mutual phase opposition and arranged on the same support, opposite the secondary windings of the first positional sensor with respect to a median line, such that a motif is formed in each case on either side of the median line, wherein the primary winding encloses all the secondary windings. A unit having a device of this type and a target having two helixes of opposing pitches.

Abstract: This inductive position sensor is designed to measure the angular position of a shaft or the like and includes a support on which are realized, on the one hand, a primary winding, and on the other hand, at least two secondary windings in phase opposition with respect to each other. Each secondary winding is defined by a set of at least two loops in phase with each other. The secondary windings are connected in series and each arranged symmetrically with respect to a middle line so as to form each time a pattern on either side of this middle line, the two patterns having a separation between them in the area of said middle line. An assembly including such a sensor and a target with two oppositely directed helices.

Abstract: A device for the measurement of the angular position of a shaft, having: a support upon which a primary winding and at least two secondary windings in mutual phase opposition are configured, to form a first inductive positional sensor, and a second positional sensor having at least two secondary windings in mutual phase opposition and arranged on the same support, opposite the secondary windings of the first positional sensor with respect to a median line, such that a motif is formed in each case on either side of the median line, wherein the primary winding encloses all the secondary windings. A unit having a device of this type and a target having two helixes of opposing pitches.

Abstract: A method for determining the position ? of a moving part (T) along an axis (X), using an inductive sensor (10) including: a primary winding (B1) generating an electromagnetic field; a first secondary winding (R1), generating a first voltage signal (V1), of the sine function type; a second secondary winding (R2), generating a second voltage signal (V2) of the cosine function type; and a calculation unit (20?), wherein the method includes the steps of calculating and distributing linearization points i on the arctangent function tan(?) resulting from the ratio of the first voltage signal to the second voltage signal, the linearization points i being distributed according to a sinusoidal function in order to reduce the error on the position (?) of the target (T) at the ends (E1, E2) of the primary and secondary windings (R1, R2).

Abstract: An inductive sensor (100) for a motor vehicle, includes: a field coil (101) designed to form an electromagnetic field, a coil (103) for measuring a magnetic field and designed to provide an output signal representative of the position of a metal target (102) in the magnetic field formed by the field coil (101), and at least two electric circuits (111) connected simultaneously in parallel to the terminals of the field coil (101), each electric circuit (111) including an inverter element (112) and a capacitive element (113), and forming, together with the field coil (101) an electric oscillator (110) designed to form an AC voltage at the terminals of the field coil (10) via electric resonance, the electric oscillators (110) being of the same resonance frequency.

Abstract: A method for determining the position ? of a moving part (T) along an axis (X), using an inductive sensor (10) including: a primary winding (B1) generating an electromagnetic field; a first secondary winding (R1), generating a first voltage signal (V1), of the sine function type; a second secondary winding (R2), generating a second voltage signal (V2) of the cosine function type; and a calculation unit (20?), wherein the method includes the steps of calculating and distributing linearization points i on the arctangent function tan(?) resulting from the ratio of the first voltage signal to the second voltage signal, the linearization points i being distributed according to a sinusoidal function in order to reduce the error on the position (?) of the target (T) at the ends (E1, E2) of the primary and secondary windings (R1, R2).

Abstract: This inductive position sensor includes: a primary winding, and at least two secondary windings (4, 6) each constituted by several turns (8) produced on two layers of a printed circuit board. A secondary winding has turns (8) each having substantially the same shape, aligned in a direction referred to as longitudinal, each time with an offset between them. The turns (8) each have a first globally concave part (12) disposed on one layer of the printed circuit board and a second globally concave part (14) disposed on the other layer of the printed circuit board, the first part of a turn is connected to the second part of the same turn by a first via (36a) passing through the printed circuit board, the first part of a turn is connected to the second part of an adjacent turn by a second via (36b) passing through the printed circuit board.

Abstract: A device for measuring the position of a target includes a track, which includes a primary winding (513) supplied with an alternating current at high frequency, and a plurality of secondary windings (511, 512). The device measures the position of the leading edge (510) of the target (500) in a so-called longitudinal direction (5000) between a first position and a second position between which the target (500) completely covers the track (550). Surprisingly, this configuration enables a very significant increase in the useful measurement length of such a track (550).

Abstract: The present invention is directed to a photobioreactor for continuous or semi-continuous flow culturing photosynthesizing biomass and related method. In particular, the invention relates to a photobioreactor for continuous or semi-continuous flow culturing photosynthesizing algal biomass and related method. The photobioreactor comprises a gas feeding portion (60), a biomass-directing flow propulsion device (47) on a lighting system (5).

Abstract: This inductive position sensor includes: a primary winding, and at least two secondary windings (4, 6) each constituted by several turns (8) produced on two layers of a printed circuit board. A secondary winding has turns (8) each having substantially the same shape, aligned in a direction referred to as longitudinal, each time with an offset between them. The turns (8) each have a first globally concave part (12) disposed on one layer of the printed circuit board and a second globally concave part (14) disposed on the other layer of the printed circuit board, the first part of a turn is connected to the second part of the same turn by a first via (36a) passing through the printed circuit board, the first part of a turn is connected to the second part of an adjacent turn by a second via (36b) passing through the printed circuit board.

Abstract: An inductive sensor (100) for a motor vehicle, includes: a field coil (101) designed to form an electromagnetic field, a coil (103) for measuring a magnetic field and designed to provide an output signal representative of the position of a metal target (102) in the magnetic field formed by the field coil (101), and at least two electric circuits (111) connected simultaneously in parallel to the terminals of the field coil (101), each electric circuit (111) including an inverter element (112) and a capacitive element (113), and forming, together with the field coil (101) an electric oscillator (110) designed to form an AC voltage at the terminals of the field coil (10) via electric resonance, the electric oscillators (110) being of the same resonance frequency.

Abstract: The present invention is directed to a photobioreactor for continuous or semi-continuous flow culturing photosynthesizing biomass and related method. In particular, the invention relates to a photobioreactor for continuous or semi-continuous flow culturing photosynthesizing algal biomass and related method. The photobioreactor comprises a gas feeding portion (60), a biomass-directing flow propulsion device (47) on a lighting system (5).

Abstract: A device for measuring the position of a target includes a track, which includes a primary winding (513) supplied with an alternating current at high frequency, and a plurality of secondary windings (511, 512). The device measures the position of the leading edge (510) of the target (500) in a so-called longitudinal direction (5000) between a first position and a second position between which the target (500) completely covers the track (550). Surprisingly, this configuration enables a very significant increase in the useful measurement length of such a track (550).

Abstract: A sensor for measuring the rotational speed of a turboshaft of a turbocharger includes a sensor housing and a sensor element which is positioned in the sensor housing and which senses a variation of a magnetic field caused by the rotation of the turboshaft. In order to provide a sensor for measuring the rotational speed of a turboshaft which can be produced simply and at low cost and also can be integrated in a turbocharger without major structural modifications, the sensor element can be positioned outside the turbocharger, on or in a compressor housing, and a pole piece is arranged on the sensor element in such a way that it concentrates the magnetic field in the sensor element.

Abstract: A sensor for measuring the rotational speed of a turboshaft of a turbocharger includes a sensor housing and a sensor element which is positioned in the sensor housing and which senses a variation of a magnetic field caused by the rotation of the turboshaft. In order to provide a sensor for measuring the rotational speed of a turboshaft which can be produced simply and at low cost and also can be integrated in a turbocharger without major structural modifications, the sensor element can be positioned outside the turbocharger, on or in a compressor housing, and a pole piece is arranged on the sensor element in such a way that it concentrates the magnetic field in the sensor element.