Venturi metering system

Details Venturi metering system Venturi metering system

1992-10-21

1994-11-29

Bertsch, Richard A.

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

251903, 60734, 60 39281, F16K 4700, F02C 100

Patent

active

053682734

ABSTRACT:
A fuel flow delivery system for a gas turbine engine of simple, economical structure including a non-positive displacement centrifugal fuel pump delivering constant pressure, variable flow rate fuel flow through a venturi passage. A conical needle valve is variably positioned within the throat section of the venturi to variably meter fuel flow rate.

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patent: 4926629 (1990-05-01), Eick e al.
patent: 5161777 (1992-11-01), Kawasaki et al.

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