Christine F Mcginnis

US Patent:

20170321740, Nov 9, 2017

Filed:

Jul 19, 2017

Appl. No.:

15/653774

Inventors:

- Farmington CT, US
Christine F. McGinnis - Middletown CT, US

Assignee:

United Technologies Corporation - Farmington CT

International Classification:

F16B 39/10

Abstract:

Systems and methods are disclosed herein for dressing centering a bearing compartment in a gas turbine engine. A nut may be inserted through an outer case of a gas turbine engine. The nut may be coupled to a strut which centers a bearing compartment. The nut may be rotated to achieve a desired tension on the strut to center the bearing compartment. A retaining plate comprising a collar may be positioned over the nut. A swaging tool comprising a swaging ramp may be positioned over the nut. The swaging tool may be forced against the retaining plate using a draw-in bolt. The swaging ramp may contact the collar and form indentations in the collar to lock the nut in place.

US Patent:

20150192034, Jul 9, 2015

Filed:

Dec 19, 2014

Appl. No.:

14/576666

Inventors:

- Hartford CT, US
Steven J. Bauer - East Haddam CT, US
Christine F. McGinnis - Middletown CT, US

Assignee:

United Technologies Corporation - Hartford CT

International Classification:

F01D 25/16
F16B 39/02

Abstract:

Systems and methods are disclosed herein for dressing centering a bearing compartment in a gas turbine engine. A nut may be inserted through an outer case of a gas turbine engine. The nut may be coupled to a strut which centers a bearing compartment. The nut may be rotated to achieve a desired tension on the strut to center the bearing compartment. A retaining plate comprising a collar may be positioned over the nut. A swaging tool comprising a swaging ramp may be positioned over the nut. The swaging tool may be forced against the retaining plate using a draw-in bolt. The swaging ramp may contact the collar and form indentations in the collar to lock the nut in place.

US Patent:

20150192165, Jul 9, 2015

Filed:

Dec 19, 2014

Appl. No.:

14/576687

Inventors:

- Hartford CT, US
Christine F. McGinnis - Middletown CT, US

Assignee:

UNITED TECHNOLOGIES CORPORATION - Hartford CT

International Classification:

F16B 39/02

Abstract:

Systems and methods are disclosed herein for dressing centering a bearing compartment in a gas turbine engine. A nut may be inserted through an outer case of a gas turbine engine. The nut may be coupled to a strut which centers a bearing compartment. The nut may be rotated to achieve a desired tension on the strut to center the bearing compartment. A retaining plate comprising a collar may be positioned over the nut. A swaging tool comprising a swaging ramp may be positioned over the nut. The swaging tool may be forced against the retaining plate using a draw-in bolt. The swaging ramp may contact the collar and form indentations in the collar to lock the nut in place.