Benjamin J Seppala

US Patent:

20130108440, May 2, 2013

Filed:

Nov 1, 2011

Appl. No.:

13/286792

Inventors:

Kevin Michael Do - West Chester OH, US
Benjamin Johannes Seppala - Cincinnati OH, US
David Garry Kerry - West Chester OH, US

Assignee:

GENERAL ELECTRIC COMPANY - Schenectady NY

International Classification:

F04D 29/04

US Classification:

415229

Abstract:

A bearing support apparatus for a gas turbine engine, including: a first annular member; a second annular member disposed within the first annular member; first and second axially spaced-apart rolling-element bearings disposed between the first and second annular members so as to enable relative rotation of the first and second members; a first spring element mounting the first bearing to the first member; and a second spring element mounting the second bearing to the first member through the first spring element, such that the first and second bearings are physically supported in series relative to the first member.

US Patent:

20130108202, May 2, 2013

Filed:

Apr 23, 2012

Appl. No.:

13/453796

Inventors:

Kevin Michael Do - West Chester OH, US
Benjamin Johannes Seppala - Cincinnati OH, US
David Garry Kerry - West Chester OH, US
Alper Uyar - Istanbul, TR
Ali Isler - Gebze, TR

Assignee:

GENERAL ELECTRIC COMPANY - Schenectady NY

International Classification:

F16C 33/46

US Classification:

384572

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.