Abstract: The present invention relates to an exhaust sensor (1) comprising a tubular support body (2) receiving a measurement probe (3), a first end of said probe extending beyond a first end of the tubular support body through an opening therein, and a second end of said probe being secured to an electrical connection connector (4) housed inside the tubular support body (2) and fitting closely against its walls. According to the invention, the measurement probe is sealed inside the tubular support body (2) and is thermally decoupled from the environment outside the tubular support body by means of an assembly of spacers (10, 11, 12, 13) made of ceramic and of glass, the spacers being threaded around the measurement probe and distributed inside the tubular support body between the electrical connection connector and the first end of the tubular support body so as to provide at least two separate cavities, said spacers providing leaktight sealing between the measurement probe and the tubular support body.

Abstract: The present invention relates to a method and a sensor (1) for collecting soot in an exhaust stream from an internal combustion engine by means of a resistive type planar probe positioned in the gas stream and having at least one face provided with electrodes connected to an electronic device for measuring soot concentration in the gas stream. The gas stream upstream from the planar probe is deflected by means of a protection shield (3) completely covering the planar probe and having a single soot-collection window (5) arranged in a wall of the protection shield (3) that is situated downstream from the planar probe in the gas stream, in such a manner as to: protect the planar probe from a direct frontal impact of soot and any debris contained in the gas stream; and generate a turbulent flow and reduce the speed of the gas stream downstream from the planar probe so as to select soot particles as a function of their size.

Abstract: The present invention relates to an exhaust sensor (1) comprising a tubular support body (2) receiving a measurement probe (3), a first end of said probe extending beyond a first end of the tubular support body through an opening therein, and a second end of said probe being secured to an electrical connection connector (4) housed inside the tubular support body (2) and fitting closely against its walls. According to the invention, the measurement probe is sealed inside the tubular support body (2) and is thermally decoupled from the environment outside the tubular support body by means of an assembly of spacers (10, 11, 12, 13) made of ceramic and of glass, the spacers being threaded around the measurement probe and distributed inside the tubular support body between the electrical connection connector and the first end of the tubular support body so as to provide at least two separate cavities, said spacers providing leaktight sealing between the measurement probe and the tubular support body.

Abstract: An electrical connection system for a vehicle, comprising an elongated dielectric component (3) equipped with at least one electrode electrically connected to electrical contact pads (7), two dielectric half-shells (14) assembled face-to-face, electrical contact fingers (19) connecting with the pads, interposed between at least one half-shell and the component, a spring collar (21) surrounding the half-shells (14) to provide for holding them in position. The half-shells (14) include at the proximal part a pivot (23) such that the half-shells open angularly relative to one another, the half-shells (14) together include on the outside a bearing surface for a tubular body providing for bringing the half-shells together.

Abstract: The invention provides a measuring device for measuring soot deposition, said device having a measuring probe (3) for measuring the quantity of soot deposited on a collection surface (2) of an elongate dielectric substrate, said probe including detection electrodes (6, 7) that are arranged in adjacent manner and that are for connecting to an electronic system that is capable of evaluating the quantity of soot deposited on the collection surface. In the invention, the device includes, for at least one detection electrode (6, 7), a measurement loop (B1) that includes said at least one detection electrode (6, 7) and that is connected to a detection system for detecting the variation in the electric resistance of said measurement loop, so as to determine the operating state of said detection electrode.

Abstract: An electrical connection system for a vehicle, comprising an elongated dielectric component (3) equipped with at least one electrode electrically connected to electrical contact pads (7), two dielectric half-shells (14) assembled face-to-face, electrical contact fingers (19) connecting with the pads, interposed between at least one half-shell and the component, a spring collar (21) surrounding the half-shells (14) to provide for holding them in position. The half-shells (14) include at the proximal part a pivot (23) such that the half-shells open angularly relative to one another, the half-shells (14) together include on the outside a bearing surface for a tubular body providing for bringing the half-shells together.