Motor-driven fuel pump

Details Motor-driven fuel pump Motor-driven fuel pump

1990-11-19

1992-08-25

Bertsch, Richard A.

Pumps

Motor driven

Electric or magnetic motor

F04B 1700

Patent

active

051414104

ABSTRACT:
A motor-driven fuel pump including a cylindrical pump casing having top and bottom ends; a pump section; a motor section has a motor shaft, an armature and a commutator. A spring loaded brush has one end contacting the cummutator and a second end connected to a choke coil. A terminal plate includes one end connected to an external power supply and the other end connected to the choke coil. A cover assembly for the pump casing provides a cover body with an opening holding a bearing, and appropriate recesses for accommodating the brush, spring, and choke coil components. A valve opening through which fuel is discharged from the pump section is provided. Simplification of the steps of assembling the various parts into the cover body is accomplished.

REFERENCES:
patent: 4673837 (1987-06-01), Gingerich et al.
patent: 4978876 (1990-12-01), Koster
patent: 5013222 (1991-05-01), Sokol et al.
patent: 5053664 (1991-10-01), Kikuta et al.

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