Over the shaft fuel pumping system

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

1988-12-27

1991-02-05

Smith, Leonard E.

Power plants

Combustion products used as motive fluid

Combustion products generator

60744, F02C 100

Patent

active

049894110

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: 2606501 (1952-08-01), Dreibelbis
patent: 2689528 (1954-09-01), Rainbow
patent: 2778312 (1957-01-01), Suttle et al.
patent: 2956502 (1960-10-01), Glaser et al.
patent: 3576375 (1971-04-01), Jackson
patent: 3871797 (1975-03-01), Igarashi et al.
patent: 3936240 (1976-02-01), Dochterman
patent: 4386886 (1983-06-01), Neal
patent: 4769996 (1988-09-01), Barbeau
patent: 4869642 (1989-09-01), Williamson et al.
"A Forced Vortex Pump for High Speed, High Pressure, Low Flow Applications" (Thomas Lock) (650502).

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