Patent ID: 6149404
Filing Date: 2000-11-21
Classification: F02M,F04D

Abstract:
A feed unit for fuel, having a side channel feed pump, which has a pump chamber (14) embodied in a housing (13) and an impeller (16) disposed in the pump chamber (14), and having an electric motor (12) driving the impeller (16), the electric motor having an armature winding (32) and permanent magnets (30) as well as a stator (28) and rotor (29) respectively receiving said armature winding and said permanent magnets, characterized in that the electric motor (12) is a brushless motor, and its rotor (29) is formed by the impeller (16) of the feed pump (11), wherein said pump chamber being defined in an axial direction by two radially extending, axially spaced-apart side walls, each of said side walls having a slotlike side channel open toward said pump chamber, said impeller having a plurality of circumferentially spaced-apart radial impeller vanes facing said side channels in said side walls.