Over the shaft fuel pumping system

Details Over the shaft fuel pumping system Over the shaft fuel pumping system

1990-09-13

1991-06-11

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60744, F02C 100

Patent

active

050222287

ABSTRACT:
A large flow of high pressure fuel is supplied to a gas turbine engine by mounting a small modified vortex pump over or around a main high speed shaft. The pump includes a plurality of short, stubby impeller blades rotating at a very high speed within a fuel filled annular chamber having an axial fuel inlet and a tangential fuel outlet. A pump booster and priming system ensures the pump fills with fuel during operation.

REFERENCES:
patent: 3871797 (1975-03-01), Igaiash et al.
patent: 3936240 (1976-02-01), Dochlerman
patent: 4386886 (1983-06-01), Neal
patent: 4769996 (1988-09-01), Barbeau
patent: 4869642 (1989-09-01), Williamson et al.

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