Power plants – Combustion products used as motive fluid – With lubricators
Reexamination Certificate
2005-10-25
2008-10-07
Casaregola, Louis J (Department: 3746)
Power plants
Combustion products used as motive fluid
With lubricators
C184S006110
Reexamination Certificate
active
07430850
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: 3532443 (1970-10-01), Johnson
patent: 4570947 (1986-02-01), Smith
patent: 5107676 (1992-04-01), Hadaway et al.
Allard Kenneth L.
Barnsby Roger M.
Glahn J. Axel
Jen Hslanmin F.
Messerschmidt Dwayne
Carlson & Gaskey & Olds
Casaregola Louis J
United Technologies Corporation
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