Title:
軸受組立体内の軸受荷重を制御する方法及び装置
Document Type and Number:
Japanese Patent JP4111709
Kind Code:
B2
Abstract:
An orifice plate assembly (82) for a gas turbine engine (10) that facilitates extending a useful life of bearing assemblies (70) within the gas turbine engine is described. Each orifice plate assembly is coupled in flow communication with an engine air source (74), and includes a first body portion (100) and a second body portion (102). The first body portion includes a channel (108) and a flow opening (130). The channel is sized to receive the second body portion, such that the second body portion may slide with respect to the first body portion. The orifice plate assembly is adjustable after engine shutdown to regulate bearing loading.
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Inventors:
James Charles Petitalsky
James Elberd Willie
Frederick Gardner Hassel
Fernando Cecco Pieri
Stephen Case Handelsmann
James Elberd Willie
Frederick Gardner Hassel
Fernando Cecco Pieri
Stephen Case Handelsmann
Application Number:
JP2001388707A
Publication Date:
July 02, 2008
Filing Date:
December 21, 2001
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
F01D3/00; F01D9/06; F01D17/10; F01D25/16; F02C7/06; F04D27/02; F04D29/04; F16C39/04
Domestic Patent References:
| JP57018030U |
Foreign References:
| US5167484 | ||||
| US5227062 |
Attorney, Agent or Firm:
Kenichi Matsumoto