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Frochaux; Alain
Boston, MA
No. of patents:

Patent Number Title Of Patent Date Issued
3985302 Variable two stage air nozzle October 12, 1976
An improved air nozzle is provided which produces high thrust amplification over a relatively wide range of input flow rates while maintaining relatively low noise levels. The nozzle is adapted to provide flow amplification by inducing flow of ambient air with high pressure air.
3984054 Nozzle October 5, 1976
An air nozzle is provided which produces high thrust with low noise. The nozzle is adapted to provide flow amplification by inducing flow of ambient air with high pressure air.
3960239 Noise-reducing fluid-flow devices June 1, 1976
The invention consists of provision of novel noise-silencing fluid-discharge devices which provide superior noise reduction. The devices comprise one or more flow-modifying elements which are made by rolling and compacting knitted metal wire mesh fabric. A preferred embodiment of the
3949828 Fluid exhaust silencer April 13, 1976
A fluid exhaust silencer is disclosed which comprises a hollow, cylindrical, fluid-permeable noise-reducing element made of a wire mesh material. The noise-reducing element is mounted in a housing which is adapted to be connected to an exhaust for a pressurized fluid. The housing is

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