Electric motor operated, vaned impeller fuel pump for motor vehicle

摘要

A pumping chamber main channel (42) has a radially outer margin that opens along at least a portion of the channel's arcuate extent to an adjoining contaminant collection channel (56) which extends arcuately within the housing and which is effective as the vaned impeller (28') rotates, to collect certain fluid-entrained particulates expelled from the main channel and to convey the collected particulates towards an outlet of the pumping chamber.