FIELD: engines and pumps.
SUBSTANCE: claimed is nozzle-adapter for fluids and gases (two versions) that includes acceleration chamber (1) shaped to torus with fragment withdrawn over its entire length (1st version) or torus of helical cross-section with fragment withdrawn over its entire length (2nd version) and aligned with inlet and outlet bells (2, 3).
EFFECT: higher power output and torque, lower engine noise level.
4 cl, 6 dwg
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