Geometry of Screw Compressor Rotors and their Tools

Tuesday June 16th 2020

This paper presents a method of general geometrical definitions of screw machine rotors and their manufacturing tools. It describes the details of lobe shape specification, and focuses on a new lobe profile, which yields a larger cross-sectional area and shorter sealing lines resulting in higher delivery rates for the same tip speed. A well proven mathematical model was used to determine the optimum profile, compressor housing size, and compressor ports to achieve the superior compressors.

Geometry of Screw Compressor Rotors


Nikola Stosic

Ian Kenneth Smith

Ahmed Kovacevic

Elvedin Mujic

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