Abstract: An ultrasound system comprising a probe adapted for emitting and receiving ultrasound waves inside a medium, and a processing unit connected to said probe and adapted for processing signals from the probe. The probe is configured so as to behave as a Fresnel lens for focusing the ultrasound waves. The processing unit analyses signals from the probe for sensing the medium at a plurality of focal points.

Abstract: A method for monitoring an aircraft turboshaft engine including a vibration sensor capable of outputting a vibration signal and a spark plug. The method includes, based on the vibration signal output by the vibration sensor, a step of determining a level of vibration of the turboshaft engine as well as a step of determining an indicator of spark plug wear.

Abstract: An ultrasound imaging system is disclosed, including: —an ultrasound probe including transducers, —a digital acquisition board including: —electronic circuits adapted to control the transducers to emit ultrasound waves and to convert signals sensed by transducers into digital data, and —a real-time sequencer adapted to control the electronic circuits to drive the emission and reception of ultrasound signals, based on working parameters and sequence parameters, and —a computer connected to the digital acquisition board and including a computer's memory, the parameters being stored in the computer's memory, the digital acquisition board further includes a DMA controller adapted to access the computer's memory in reading and writing by implementation of DMA protocols, and the sequencer is adapted to send requests to the DMA controller to recover the parameters from the computer's memory in real time.

Abstract: A vaned wheel device traversed by a radial drive shaft includes radial arms, one of which contains the shaft, and stationary vanes manufactured separately from the casing and a ferrule and assembled thereto. A sleeve encompassing the shaft traverses the casing and serves to support a bearing for supporting the shaft with positional accuracy, and maintaining tightness by forming a single cavity with the radial arm cavities traversing the shaft.

Abstract: A fusion draw apparatus includes a pair of engagement rollers. At least one of the pair of engagement rollers includes a circumferential knife edge configured to cooperate with the other of the pair of engagement rollers to thin the edge portion or sever the edge portion from a central portion of the glass ribbon within the viscous zone of the glass ribbon. In further examples, fusion draw methods include the step of thinning the edge portion or severing the edge portion from the central portion of the glass ribbon within the viscous zone.

Abstract: The ultrasound imaging system comprises an ultrasound probe (3) and computer (20) for controlling the ultrasound probe and for visualizing an image. The system comprises a processing device located between the probe and the computer that comprises a processing unit (15) to operate an imaging method and switch unit (13) for routing the input and output data.

Abstract: An ionic probe is provided according to the invention. The ionic probe includes an active electrode configured to generate a measurement signal for an external test fluid, a first reference electrode configured to generate a first reference signal, and an at least second reference electrode configured to generate at least a second reference signal. The measurement signal is compared to the first reference signal and the at least second reference signal in order to determine an ionic measurement of the external test fluid.

Abstract: The ultrasound imaging system comprises an ultrasound probe (3) and computer (20) for controlling the ultrasound probe and for visualizing an image. The system comprises a processing device located between the probe and the computer that comprises a processing unit (15) to operate an imaging method and switch unit (13) for routing the input and output data.

Abstract: A fusion draw apparatus includes a pair of engagement rollers. At least one of the pair of engagement rollers includes a circumferential knife edge configured to cooperate with the other of the pair of engagement rollers to thin the edge portion or sever the edge portion from a central portion of the glass ribbon within the viscous zone of the glass ribbon. In further examples, fusion draw methods include the step of thinning the edge portion or severing the edge portion from the central portion of the glass ribbon within the viscous zone.

Abstract: A vaned wheel device traversed by a radial drive shaft includes radial arms, one of which contains the shaft, and stationary vanes manufactured separately from the casing and a ferrule and assembled thereto. A sleeve encompassing the shaft traverses the casing and serves to support a bearing for supporting the shaft with positional accuracy, and maintaining tightness by forming a single cavity with the radial arm cavities traversing the shaft.

Abstract: A turbomachine casing forming a continuous annular ring extending over 360° around a bladed wheel and serving as a propagation medium for rotating waves, each rotating wave being generated by two standing waves of the same frequency, and the casing including at least one longitudinal stiffener at its outer periphery that is dimensioned and positioned in such a manner as to separate the frequencies of the two standing waves of at least one given rotating wave.

Abstract: Method for manufacturing an assembly in a supporting structure, constituted by parts (7,8) made of a fibrous material forming an elongate element that is at least partially hollow (10), with a longitudinal axis of symmetry (9), delimiting an inner area (11) and a outer area (12), characterized in that it consists of achieving the densification on the two end portions (13) of the hollow element, in order to exert, on each of the two end portions of the elongate hollow element, outward tensile forces in opposite directions to each other along its longitudinal axis in order to create an axial prestressing force having a determined value, and to maintain the elongate hollow element in this prestressed condition during the installation of the assembly in the structure. Also described are the assemblies obtained by this method and the structures using such assemblies.

Abstract: A structural frame for a turbomachine, such as an intermediate frame or an exhaust frame, the frame including at least two coaxial rings, an inner ring and an outer ring, together with radial arms interconnecting the rings. At least one of these elements includes a plurality of parts that are fastened together by bolting.

Abstract: An ionic probe is provided according to the invention. The ionic probe includes an active electrode configured to generate a measurement signal for an external test fluid, a first reference electrode configured to generate a first reference signal, and an at least second reference electrode configured to generate at least a second reference signal. The measurement signal is compared to the first reference signal and the at least second reference signal in order to determine an ionic measurement of the external test fluid.

Abstract: An ionic probe is provided according to the invention. The ionic probe includes an active electrode configured to generate a measurement signal for an external test fluid, a first reference electrode configured to generate a first reference signal, and an at least second reference electrode configured to generate at least a second reference signal. The measurement signal is compared to the first reference signal and the at least second reference signal in order to determine an ionic measurement of the external test fluid.

Abstract: A unitary ionic probe is provided. The unitary ionic probe includes a substantially elongate body including a central axis (AA), a proximal end, and a distal end. The unitary ionic probe further includes an active ion sensitive region that is located on and bonded into an exterior of the elongate body in a region of the proximal end and an active electrode in ionic communication with the active ion sensitive region. The unitary ionic probe further includes a reference ion sensitive region that is located on and bonded into the exterior of the elongate body and is spaced-apart from the active ion sensitive region and a reference electrode in ionic communication with the reference ion sensitive region.

Abstract: The invention relates to a disposable device comprising all of the reagents necessary for the detection of one or more particles of interest, and which can be incorporated in a detection system including simple means for the automatic management of fluids. For this purpose, the invention relates to a disposable device for the detection of one or more particles of interest present in a liquid sample, said device comprising a substrate provided with: a chamber for capturing the particle(s) of interest to be detected; a fluid channel connecting, upstream, the capture chamber to a buffer solution container, a liquid sample injection means and a container of labelling probes that can be secured to the particle(s) of interest to be detected; and a fluid channel connecting, downstream, the capture chamber to a container for the recovery of liquids which, during use, can flow from the capture chamber.

Abstract: An impeller including a blade, a support of the blade which extends substantially radially, at least one intermediate part extending, in a substantially axial direction, between the blade and the support of the blade, and at least one damping device placed on at least one face of the intermediate part is disclosed. The damping device is segmented in an axial and/or circumferential direction into at least two elementary damping devices.

Abstract: A lever for rotating about its pivot a turbomachine variable-pitch stator vane: including a first zone for attachment to a lever drive member, a second zone for attachment to the variable-pitch stator vane, and a third zone of elongate shape between the first zone and the second zone is disclosed. A vibration-damping laminate is applied to at least one surface portion of at least one of the zones of the lever. The laminate includes at least one layer of viscoelastic material in contact with the surface portion and a backing layer of rigid material.

Abstract: Method for manufacturing an assembly in a supporting structure, constituted by parts (7,8) made of a fibrous material forming an elongate element that is at least partially hollow (10), with a longitudinal axis of symmetry (9), delimiting an inner area (11) and a outer area (12), characterized in that it consists of achieving the densification on the two end portions (13) of the hollow element, in order to exert, on each of the two end portions of the elongate hollow element, outward tensile forces in opposite directions to each other along its longitudinal axis in order to create an axial prestressing force having a determined value, and to maintain the elongate hollow element in this prestressed condition during the installation of the assembly in the structure. Also described are the assemblies obtained by this method and the structures using such assemblies.