Patent ID: 6779968
Filing Date: 2004-08-24
Classification: F04D

Abstract:
A side channel compressor, comprisingan inlet port (42; 142) for gas and an outlet port (44; 144) for compressed gas as well as a side channel (32; 132) which provides a flow connection between the inlet port (42; 142) and the outlet port (44; 144), the cross-section of the side channel (32; 132) diminishing between the inlet port (42; 142) and the outlet port (44; 144), and the side channel (32; 132) having at least one section in which it has a cross-section in the form of a half ellipse and in which the maximum depth of the channel (32; 132) continuously diminishes towards the outlet port (44; 144), wherein the main axis of the ellipse defining the cross-section lies slightly inwardly of the cover (26, 30) of the side channel compressor along the whole channel section having an elliptical cross-section, which cover comprises the side channel (32; 132).