Bertin & Cie

Vibrachoc

Aeroport De Paris

Pierre Bonnet

Louis Duthion

Pierre Marcel Bonnard

Jacques Rigault

Paul Amand Coudray

A gas turbine exhaust device installed at the outlet from the guide vane stage (5) of the turbine and upstream from an exhaust duct (10), said device comprising a jet diffuser (20) having orifices (25) perforated therethrough, with the axis of the diffuser being the same as the axis of the turbine.

Gas turbine exhaust device including a jet diffuser

The invention comprehends a sound proofed valve for fluid under pressure, comprising a movable obturator for progressively uncovering a series of fluid expansion orifices positioned inside an expansion area, a sound proofing means also positioned inside said expansion area and located opposite fluid jets issuing, in operation of said valve, from said orifices, and a permeable splash guard obstacle placed between said orifices and said sound proofing means and spaced from said sound proofing means.

Sound proofed valve for fluid under pressure

An arrangement for mounting a cascade of guide vanes or other objects extending across a conduit, characterized in that there is provided within the conduit two longitudinal partitions or plates separated by a small gap, and in that said object is formed in two parts each of which has one end fixed to a wall of the conduit and the other to the longitudinal plate nearest to this fixing point.

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Paris, France

Pierre Bonnet