Abstract: The invention relates to an alloy permitting to replace the current CuBe alloy, soon to be prohibited by the various environmental directives because of the presence of Be and for which there is currently no substitution alloy with similar desired thermal and mechanical properties for measuring physical parameters, notably in aeronautics. This alloy is a Cu—Al—Ni—Fe alloy and the balance is copper. It contains from 3.8 to 4.4 wt % aluminum, from 4.2 to 5 wt % nickel, from 1.7 to 5 wt % iron, additives including silicon, manganese, chromium and titanium, silicon being present at less than 0.8 wt %, manganese being present at less than 0.15 wt %, chromium being present at less than 0.3 wt %, titanium being present at less than 0.1 wt %, the other chemical elements having contents by weight of less than 1%, each being present at less than 0.05 wt % and the balance is copper.

Abstract: The invention concerns a device for measuring at least one physical parameter of a fluid flow, in particular the total air temperature, comprising: a profiled body (2) of elongate shape along a longitudinal axis (L) and having at least two walls arranged contiguous to each other at an acute angle to form a wedge-shaped portion (7), said wedge-shaped portion (7) extending in a direction parallel to the longitudinal axis (L) of the profiled body (2); at least one sensing element (4) for measuring the physical parameter of the fluid flow, said sensing element (4) being positioned in a window (3) formed through the profiled body (2), characterized in that each of the walls (71; 72) forming the wedge-shaped portion (7) comprises at least one notch forming a deflector angle relative to said wall (71; 72) so as to weaken the formation of ice on the wedge-shaped portion (7).

Abstract: The invention concerns a device for measuring at least one physical parameter of a fluid flow, in particular the total air temperature, comprising: a profiled body (2) of elongate shape along a longitudinal axis (L) and having at least two walls arranged contiguous to each other at an acute angle to form a wedge-shaped portion (7), said wedge-shaped portion (7) extending in a direction parallel to the longitudinal axis (L) of the profiled body (2); at least one sensing element (4) for measuring the physical parameter of the fluid flow, said sensing element (4) being positioned in a window (3) formed through the profiled body (2), characterized in that each of the walls (71; 72) forming the wedge-shaped portion (7) comprises at least one notch forming a deflector angle relative to said wall (71; 72) so as to weaken the formation of ice on the wedge-shaped portion (7).

Abstract: A heater resistance in particular for heating a solid part. An electric wire, and a ceramic sheath surround the wire. The sheath has a woven layer.

Abstract: The invention relates to an alloy permitting to replace the current CuBe alloy, soon to be prohibited by the various environmental directives because of the presence of Be and for which there is currently no substitution alloy with similar desired thermal and mechanical properties for measuring physical parameters, notably in aeronautics. This alloy is a Cu—Al—Ni—Fe alloy and the balance is copper. It contains from 3.8 to 4.4 wt % aluminum, from 4.2 to 5 wt % nickel, from 1.7 to 5 wt % iron, additives including silicon, manganese, chromium and titanium, silicon being present at less than 0.8 wt %, manganese being present at less than 0.15 wt %, chromium being present at less than 0.3 wt %, titanium being present at less than 0.1 wt %, the other chemical elements having contents by weight of less than 1%, each being present at less than 0.05 wt % and the balance is copper.

Abstract: The invention relates to an overheat detection sensor. The inventive sensor is characterised in that it comprises a conductive core which extends inside a first conductive sheath, said core and first sheath being separated by a material having a positive or negative temperature coefficient The detector also comprises a wire which is made from a material having a positive or negative temperature coefficient. Said wire extends around the first sheath and is separated from same by means of an insulating material. The central core, the first sheath and the wire are all connected to connection means.

Abstract: The heater resistance (2) in particular for heating a massive part (20) comprises: an electric wire (10); and a ceramic sheath (16) surrounding the wire. The sheath comprises a woven layer.

Abstract: The invention relates to an overheat detection sensor. The inventive sensor is characterised in that it comprises a conductive core which extends inside a first conductive sheath, said core and first sheath being separated by a material having a positive or negative temperature coefficient The detector also comprises a wire which is made from a material having a positive or negative temperature coefficient. Said wire extends around the first sheath and is separated from same by means of an insulating material. The central core, the first sheath and the wire are all connected to connection means.

Abstract: The invention relates to a Cu—Al—Ni—Fe alloy containing from 3 to 6 wt % aluminum, from 3 to 6.5 wt % nickel, from 1 to 4.5 wt % iron, from 0.1 to 1 wt % silicon, from 0.1 to 1 wt % manganese and from 0.05 to 1 wt % tin, the other chemical elements having contents by weight of less than 1%, and the balance is copper.

Abstract: An optical fiber comprising a single optical fiber or a bundle of optical fibers extending inside a metal tube, the optical cable including a braided ceramic sheath interposed between the fiber(s) and the metal tube, said metal tube holding said fibers in place by compressing said sheath.