Method of scavenging oil within a gas turbine engine

Details Method of scavenging oil within a gas turbine engine Method of scavenging oil within a gas turbine engine

2008-05-20

2008-05-20

Casaregola, L. J. (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

C060S039080, C184S006110

Reexamination Certificate

active

07373780

ABSTRACT:
An oil scavenge system includes a tangential scavenge scoop and a settling area adjacent thereto which separately communicate with a duct which feeds oil into an oil flow path and back to an oil sump. A shield is mounted over the settling area to at least partially shield the collecting liquid oil from interfacial shear. A multiple of apertures are located through the shield to permit oil flow through the shield and into the duct. The scavenge scoop forms a partition which separates the duct into a first portion and a second portion. The first portion processes upstream air/oil mixture that is captured by the tangential scoop while the second portion receives the oil collected in the settling area.

REFERENCES:
patent: 3531935 (1970-10-01), Poucher
patent: 3532443 (1970-10-01), Johnson
patent: 3614257 (1971-10-01), Campbell
patent: 4570947 (1986-02-01), Smith
patent: 5107676 (1992-04-01), Hadaway et al.

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