Pumps – Motor driven – Including means utilizing pump fluid for augmenting cooling,...
Patent
1982-11-29
1985-04-02
Croyle, Carlton R.
Pumps
Motor driven
Including means utilizing pump fluid for augmenting cooling,...
417423R, 415 53T, 415213T, F04B 1700, F04D 500
Patent
active
045084920
ABSTRACT:
A motor driven fuel pump adapted for use with a fuel injection system of an internal combustion engine has a pump housing and an impeller of regenerative pump type rotatably disposed in the housing and provided with circumferential rows of grooves formed in the opposite end faces of the impeller along the outer peripheral edges thereof. The housing is formed therein with suction and discharge ports and cooperates with the impeller to define a fuel pressurizing passage extending circumferentially of the impeller and surrounding the grooved outer peripheral section thereof. The fuel pressurizing passage is circumferentially interrupted by a partition wall disposed between the suction and discharge ports and extending radially inwardly into close contacting relationship to the outer peripheral section of the impeller to prevent flow of fuel from the discharge port toward the suction port. The discharge port is tangential to the fuel pressurizing passage to facilitate smooth flow of the pressurized fuel from the passage into the discharge port and reduce the amount of material required for the pump housing.
REFERENCES:
patent: 1619285 (1927-03-01), Burks
patent: 1768243 (1930-06-01), Ferguson
patent: 2696789 (1954-12-01), Fabig
patent: 3259072 (1966-07-01), Carpenter
patent: 3445693 (1969-05-01), Crawshaw et al.
patent: 3782850 (1974-01-01), Egli et al.
patent: 3871797 (1975-03-01), Igarashi et al.
patent: 3973867 (1976-08-01), Lee
patent: 4181473 (1980-01-01), Ina
Ina Yoshifumi
Inbe Takashi
Kusakawa Yukio
Nakamura Toshiaki
Croyle Carlton R.
Nippondenso Co. Ltd.
Olds T.
LandOfFree
Motor driven 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 Motor driven fuel pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Motor driven fuel pump will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1089212