Patent ID: 6287093
Filing Date: 2001-09-11
Classification: F04D,F05B

Abstract:
A side-channel pump for fuel pumping in a motor vehicle, having an intake cover (10) witha top side (8) and an underside (9),a tapering side channel (11), open on the top side (9) and extending circumferentially about a pivot point (14) of the side-channel pump,a first opening (13) in the underside (9) for an intake channel (27) of the side channel (11), the intake channel (27) extending from the underside (9) to the top side (8),and a side channel width (B.sub.sk) that is constant at least in the top side (8), at least in a portion extending circumferentially,and a reference line (L.sub.B) extends through the pivot axis (14) and through a contact point (1) at the beginning (12) of the side channel (11),the side channel width (B.sub.sk) in the top side (8), over an angular range having a first angle (.phi.), referred to the reference line (L.sub.B), of 0 and 20, is constant as far as an outlet from the side channel (11), and additional internal groove in the form of a groove channel (16) assigned to said side channel (11).