Circumferential flow type fuel pump

Details Circumferential flow type fuel pump Circumferential flow type fuel pump

1990-11-13

1992-11-03

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, 4151691, F04D 500

Patent

active

051602490

ABSTRACT:
A circumferential flow type fuel pump has a circumferential fuel flow passage provided around an impeller and a gas discharging hole formed in the inner wall of the fuel flow passage in such a manner that the fuel flow passage is communicated with the outside of the fuel pump. The upstream and portion of the fuel flow passage extends to a position near the gas discharging hole and is formed into a flow passage enlarging part by increasing its sectional area radially outwardly, whereby the pumping capacity is substantially maintained unchanged even under severe operation conditions such as at a high fuel temperature.

REFERENCES:
patent: 4591311 (1986-05-01), Matsuda et al.
patent: 4673333 (1987-06-01), Kluge
patent: 4844621 (1989-04-01), Umemura et al.

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