Electrically-operated fuel pump

Details Electrically-operated fuel pump Electrically-operated fuel pump

1986-09-29

1988-02-23

Croyle, Carlton R.

Pumps

Motor driven

Electric or magnetic motor

417366, F04B 1700, F04B 3500

Patent

active

047267461

ABSTRACT:
Disclosed is an electrically-operated fuel pump for pumping fuel such as gasoline, light oil and heavy oil, comprising a pump housing; a motor having a rotating shaft and encased centrally in the pump housing, the motor comprising a rotor formed by fixing a permanent magnet to the rotating shaft thereof and a stator arranged around the rotor, the stator having plural windings of coils adapted to be sequentially excited to rotate the rotor; a pump section encased in the pump housing below the motor and operatively connected to the rotating shaft of the motor; and an electric circuit package made of an oil-resistant and water-resistant material and incorporated in the pump housing above the motor, the electric circuit package oil-tightly incorporating a plurality of rotor position detecting devices for detecting an angular position of the rotor, wherein a portion of the electric circuit package facing to the rotor is made of a paramagnetic material.

REFERENCES:
patent: 4307617 (1981-12-01), Greer et al.
patent: 4310172 (1982-01-01), Claude et al.
patent: 4520296 (1985-05-01), Lepper et al.
patent: 4656873 (1987-04-01), Stewart

Affiliated with

Also associated with

Rating

Electrically-operated fuel pump does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electrically-operated fuel pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrically-operated fuel pump will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-601041