Gas turbine engine

Details Gas turbine engine Gas turbine engine

1988-02-19

1989-11-21

Stout, Donald E.

Power plants

Combustion products used as motive fluid

60 39092, 55306, 417196, F02C 332

Patent

active

048813672

ABSTRACT:
The invention relates to turbopropeller gas turbine engines of the type which have a propeller positioned upstream of the gas generator. Intake openings supply air through intake ducts and annular intake duct to the gas generator. A separating duct removes foreign bodies from the air flowing through an outlet. The separating duct has a plurality of ejector nozzles equi-spaced in the wall of the duct. The ejector nozzles induce a flow through the separating duct to draw the foreign bodies through the separating duct. The separating duct allows the passage of large foreign bodies therethrough without damage to the ejector nozzles. The ejector nozzles are supplied with air from a compressor of the gas generator, and this allows control of the flow through the separating duct by a valve.

REFERENCES:
patent: 3436910 (1969-04-01), Haworth
patent: 4456458 (1984-06-01), Gilbertson
patent: 4519423 (1985-05-01), Ho et al.
patent: 4617028 (1986-10-01), Ray et al.
patent: 4702071 (1987-10-01), Jenkins et al.

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