Unit for delivering fuel from a supply tank to an internal combu

Details Unit for delivering fuel from a supply tank to an internal combu Unit for delivering fuel from a supply tank to an internal combu

1994-11-14

1996-01-23

Look, Edward K.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Turbine regenerative pump

415 552, F04D 2940

Patent

active

054860873

ABSTRACT:
A unit for delivering fuel from a supply tank to an internal combustion engine, having a disklike impeller driven to revolve in a pump chamber, on whose circumference a number of blades are disposed, and having at least one supply conduit, disposed in the region of the impeller blades and open toward the impeller, in a chamber wall defining the pump chamber on the face end and axially adjoining the impeller, which supply conduit extends via a split ring around the pivot axis of the impeller from an inlet opening into the pump chamber to an outlet opening from it. In order to assure that sufficient fuel can be aspirated unthrottled in the presence of gas bubbles in the fuel, in particular when the fuel is hot, the supply conduit is embodied in the region of the inlet opening as larger by a factor of 2 than the usual supply conduit cross section; the cross section of the supply conduit then decreases continuously, beginning at the inlet end, forming a compression conduit.

REFERENCES:
patent: 4591311 (1986-05-01), Matsuda et al.
patent: 4793766 (1988-12-01), Kumata
patent: 5192184 (1993-03-01), Nobuo et al.
patent: 5215429 (1993-06-01), Sun
patent: 5221178 (1993-06-01), Yoshioka et al.
patent: 5328325 (1994-07-01), Strohl et al.
patent: 5336045 (1994-08-01), Koyama et al.

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