Preloading brace for gas turbine engine transportation

Rotary kinetic fluid motors or pumps – With shaft connected fluid force subjected thrust balancing... – Motor shaft

Reexamination Certificate

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C415S229000, C415S214100, C415S232000

Reexamination Certificate

active

07857578

ABSTRACT:
An assembly for preventing damage to bearings of a gas turbine engine during transportation is provided. The assembly comprises a turbofan gas turbine engine having an engine casing and at least one turbine shaft supported by a plurality of bearings, and, a brace secured relative to the engine casing and biasing the shaft along an axial direction of the shaft.

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International Search Report of PCT/CA2008/001167.
SKF Product information 401: Bearing failures and their causes. Monograph [online]. SKF Group, 1994 [retrieved on Sep. 17, 2008]. Retrieved from the Internet: <URL:http://www.skf.com/portal/skf/home/aptitudexchange?contentid=0.237932.237933.237935.237962.238715>.
NTN Corporation Ball and Roller Bearings catalogue. Monograph [online], NTN Corporation, 2001 [retrieved on Sep. 17, 2008]. Retrieved from the Internet: <URL:http://directindustry.com/pdf
tn/ball-and-roller-bearings/7395-25633-—96.html>.

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