Seal oil systems
AssigneeRtx Corporation
InventorsTodd A. Davis, Christopher M. Valva
Life of this patent
Estimating the term…
Abstract
A gas turbine engine includes a first bearing compartment and a seal assembly within the first bearing compartment that includes a rotatable seal seat, a gutter radially outward of the seal seat and fixed against rotation. The gutter includes a channel on its radially inner face. A second bearing compartment is also included. A scavenge pump is in communication with a first supply line configured to supply the first bearing compartment and a second supply line configured to supply the second bearing compartment. The gutter is in communication with the scavenge pump through a gutter scavenge line.
Claims19
A gas turbine engine, comprising:
- a first bearing compartment;
- a seal assembly within the first bearing compartment, comprising:
- a rotatable seal seat;
- and
- a gutter radially outward of the seal seat and fixed against rotation, the gutter including a channel on a radially inner face of the gutter;
- a second bearing compartment;
- and
- a scavenge pump in communication with a first supply line configured to supply the first bearing compartment and a second supply line configured to supply the second bearing compartment,
- wherein the gutter is in communication with the scavenge pump through a gutter scavenge line, the channel feeds the gutter scavenge line through an air/oil separation ramp, the gutter scavenge line is attached to the gutter near the air/oil separation ramp, and the gutter includes a radially outwardly extending flange for attachment of the cutter to a stationary component of the engine.
Dependencies are inferred from the claim text.