Fluid amplifier with improved operating range using tapered shim

Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – Plural inlets to one stream from another

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Details

239434, 239552, 239DIG7, B05B 134, B05B 700

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054029384

ABSTRACT:
An air amplifier is provided for use in pneumatic control systems that can operate over a wide range of flow and pressure characteristics, and can additionally operate against a back pressure. The air amplifier utilizes a tapered shim that causes the pressurized air to follow a Coanda profile over a wider range (and against a back pressure) than is possible when using only a slotted, non-tapered shim. The shim is ring-shaped with a planar surface and includes inwardly directed tangs that are cut-off to provide an open central area. Some or all of the tangs are tapered along either one or both sides of the tang.

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