Fuel pump for vehicle

Details Fuel pump for vehicle Fuel pump for vehicle

1997-10-30

2000-01-04

Look, Edward K.

Rotary kinetic fluid motors or pumps

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

Turbine regenerative pump

4151691, F01D 2514

Patent

active

060103019

ABSTRACT:
A fuel pump of returnless type fuel supply system for a vehicle includes a pump case, an impeller disposed in the pump case and a pump passage connected between the fuel inlet port and fuel discharge port. The pump passage is composed of a guiding passage section connected to the fuel inlet and pressure section connected between the guiding section and the fuel discharge port, and the guiding section has a first vapor discharge port disposed near the fuel inlet port and a second vapor discharge port disposed near the pressure passage section. Thus, fuel vapor is discharged from the first and second vapor discharge ports along with a small amount of the fuel returning to the fuel tank.

REFERENCES:
patent: 4591311 (1986-05-01), Matsuda et al.
patent: 5192184 (1993-03-01), Nobuo et al.

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