Rotor hub seal
AssigneeUnited Technologies Corporation
InventorJohn E. Wilber
Life of this patent
Estimating the term…
Abstract
A gas turbine engine includes a rotor hub that extends along a longitudinal axis of the gas turbine engine and includes a radially outer surface that has a substantially axially extending projection and a substantially radially extending projection. A seal ring includes a body portion and at least one knife edge that extends outward from the body portion. A recess is in the body portion for accepting the axially extending portion of the rotor hub. A lock ring is in abutting contact with the seal ring and the radially extending projection on the rotor hub for securing the seal ring to the rotor hub.
Claims20
A gas turbine engine comprising:
- a rotor hub extending along a longitudinal axis of the gas turbine engine including a radially outer surface having a substantially axially extending projection and a substantially radially extending projection;
- a seal ring including a body portion and at least one knife edge extending outward from the body portion, a recess in the body portion for accepting the axially extending portion of the rotor hub;
- and
- a lock ring in abutting contact with the seal ring and the radially extending projection on the rotor hub for securing the seal ring to the rotor hub.
A seal assembly for a gas turbine engine comprising:
- a seal ring extending along a longitudinal axis including:
- a body portion including a recess in the body portion for accepting a portion of a rotor hub on an axially upstream end;
- at least one knife edge extending outward from the body portion;
- and
- a stop extending from a downstream end of the body portion for engaging a lock ring.
Dependencies are inferred from the claim text.