Bearing support apparatus for a gas turbine engine
AssigneeGeneral Electric Company
InventorsKevin Michael Do, Benjamin Johannes Seppala, David Garry Kerry, Alper Uyar, Ali Isler
Life of this patent
Estimating the term…
Abstract
A bearing support cage includes: an annular forward ring; an annular aft ring; an annular mounting flange disposed between the forward and aft rings; an annular array of axially-extending first spring fingers interconnecting the forward ring and the aft ring; and an annular array of axially-extending second spring fingers interconnecting the mounting flange and the aft ring, wherein the first spring fingers are interdigitated with the second spring fingers. The forward and aft rings, the mounting flange, and the spring fingers are all part of a single monolithic component.
Claims11
A bearing support cage comprising:
- an annular forward ring;
- an annular aft ring;
- an annular mounting flange disposed between the forward and aft rings;
- an annular array of axially-extending first spring fingers interconnecting the forward ring and the aft ring;
- and
- an annular array of axially-extending second spring fingers interconnecting the mounting flange and the aft ring, wherein the first spring fingers are interdigitated with the second spring fingers, and wherein the forward and aft rings, the mounting flange, and the spring fingers are all part of a single monolithic component.
A bearing support apparatus for a gas turbine engine, comprising:
- a stationary, annular frame;
- a monolithic bearing cage comprising:
- an annular forward ring, an annular mounting flange, an annular aft ring, an annular array of axially-extending first spring fingers, and an annular array of axially-extending second spring fingers, wherein:
- the mounting flange is mounted to the frame;
- the forward ring and the aft ring are interconnected by the first spring fingers,
- the mounting flange and the aft ring are interconnected by the second spring fingers;
- and
- the first spring fingers are interdigitated with the second spring fingers;
- a roller bearing carried by the aft ring of the bearing cage;
- a ball bearing carried by the forward ring of the bearing cage;
- and
- a shaft mounted in the roller and ball bearings.
Dependencies are inferred from the claim text.