Fuel pump for sucking in fuel on a motor vehicle fits inside a fuel tank so as to feed fuel to a motor vehicle's engine using a motor unit with a rotor

摘要

A fuel pump (10), a motor unit (12) and a pumping unit (14) fit in a casing (16). The motor unit has a rotor (18) with a shaft (20) and a laminated iron core (22) fastened on the shaft. A coil is wound around the laminated iron core. A commutator (24) links to the ends of the coil. The shaft is supported by bearings (26,28) so that it can rotate in relation to the casing.