Patent ID: 6086325
Filing Date: 2000-07-11
Classification: F04D

Abstract:
A side channel machine having a rotating disc-shaped impeller, at least one end face of which has a plurality of recesses distributed circumferentially on a common pitch circle, having a housing, which comprises a working chamber receiving the impeller, wherein in end walls of the working chamber opposing the recesses of the impeller there are formed side channels overlying the paths of the recesses of the impeller, which side channels have an angular extent of less than 360.degree., so that between the end portions of the side channels there remain webs, and wherein each of the end portions of the side channels is connected to an inlet channel, the side channel machine also having a deflecting element that is asymmetrical with respect to the pitch circle of the recesses of the impeller and is arranged in an inlet side end portion of at least of one of the side channels, and wherein a radially inner portion of the deflecting element extends up to a radially inward side wall of said at least one side channel and a radially outer portion of the deflecting element extends up to a radially outward side wall of said at least one side channel and is concavely curved, seen in the direction of rotation of the impeller.