honda Car Make engine 17045-SFE-H50 Auto parts Oil pump for Honda odyssey Petrol pump
The electric fuel pump is composed of three parts: pump body, DC motor and housing. Its basic working principle is that after the DC motor is energized, it drives the rotor in the pump housing to rotate at a high speed. The section plane of the lower end of the rotor shaft is combined with the section plane of the inner hole of the impeller, so that when the rotor rotates, the impeller is driven to rotate in the same direction through the rotor shaft. During the high-speed rotation of the impeller, vacuum low pressure is caused in the oil inlet part. Then the filtered fuel is inhaled from the oil inlet of the pump cover, and the inhaled fuel is pressurized by the fuel pump impeller into the interior of the pump shell and then pressed out through the oil outlet to provide fuel with a certain pressure for the fuel system. The structure of the DC motor includes a permanent magnet fixed on the inner wall of the pump housing, a rotor capable of generating magnetic torque after energizing and a graphite carbon brush assembly installed on the upper end of the pump housing. The carbon brush is in elastic contact with the commutator on the armature rotor, and its lead is connected to the plug-in wiring electrode of the housing. The two ends of the external shell of the electric fuel pump are riveted with rolled edges to become a non-removable assembly
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