EP2867499A4 - Sleeve for turbine bearing stack - Google Patents

Sleeve for turbine bearing stack

Info

Publication number
EP2867499A4
EP2867499A4 EP13809881.9A EP13809881A EP2867499A4 EP 2867499 A4 EP2867499 A4 EP 2867499A4 EP 13809881 A EP13809881 A EP 13809881A EP 2867499 A4 EP2867499 A4 EP 2867499A4
Authority
EP
European Patent Office
Prior art keywords
sleeve
turbine bearing
bearing stack
stack
turbine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13809881.9A
Other languages
German (de)
French (fr)
Other versions
EP2867499A1 (en
Inventor
Marc J Muldoon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RTX Corp
Original Assignee
United Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP2867499A1 publication Critical patent/EP2867499A1/en
Publication of EP2867499A4 publication Critical patent/EP2867499A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP13809881.9A 2012-06-29 2013-06-25 Sleeve for turbine bearing stack Withdrawn EP2867499A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/538,507 US20140010648A1 (en) 2012-06-29 2012-06-29 Sleeve for turbine bearing stack
PCT/US2013/047595 WO2014004491A1 (en) 2012-06-29 2013-06-25 Sleeve for turbine bearing stack

Publications (2)

Publication Number Publication Date
EP2867499A1 EP2867499A1 (en) 2015-05-06
EP2867499A4 true EP2867499A4 (en) 2015-09-23

Family

ID=49783790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13809881.9A Withdrawn EP2867499A4 (en) 2012-06-29 2013-06-25 Sleeve for turbine bearing stack

Country Status (3)

Country Link
US (1) US20140010648A1 (en)
EP (1) EP2867499A4 (en)
WO (1) WO2014004491A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9896938B2 (en) 2015-02-05 2018-02-20 Honeywell International Inc. Gas turbine engines with internally stretched tie shafts
US10344622B2 (en) 2016-07-22 2019-07-09 United Technologies Corporation Assembly with mistake proof bayoneted lug
GB201704045D0 (en) 2017-03-14 2017-04-26 Rolls Royce Plc A seal panel for gas turbine engine
US10174629B1 (en) * 2017-09-11 2019-01-08 United Technologies Corporation Phonic seal seat
US10598020B2 (en) 2018-01-05 2020-03-24 United Technologies Corporation Spanner nut centering feature
US10927709B2 (en) * 2018-06-05 2021-02-23 Raytheon Technologies Corporation Turbine bearing stack load bypass nut
US11209086B2 (en) * 2018-10-29 2021-12-28 Raytheon Technologies Corporation Wet-face/dry-face seal and methods of operation
US11415015B2 (en) 2019-10-23 2022-08-16 Pratt & Whitney Canada Corp. Sleeve for oil service tubes
JP7445453B2 (en) * 2020-02-14 2024-03-07 川崎重工業株式会社 gas turbine engine
IT202000004828A1 (en) * 2020-03-06 2021-09-06 Ge Avio Srl ROTATIONAL SUPPORT FOR AN INTERDIGITATED ROTOR COMPLEX.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1132578A2 (en) * 2000-03-10 2001-09-12 General Electric Company Methods and apparatus for isolating gas turbine engine bearings
EP2365185A2 (en) * 2010-03-10 2011-09-14 United Technologies Corporation Gas turbine engine compressor and turbine section assembly utilizing tie shaft
EP2479406A2 (en) * 2011-01-24 2012-07-25 United Technologies Corporation Bearing System for Gas Turbine Engine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2788951A (en) * 1951-02-15 1957-04-16 Power Jets Res & Dev Ltd Cooling of turbine rotors
US4796423A (en) * 1983-12-19 1989-01-10 General Electric Company Sheet metal panel
JPH0614512A (en) * 1992-06-24 1994-01-21 Sony Corp Motor
JP4375883B2 (en) * 2000-06-02 2009-12-02 本田技研工業株式会社 Seal air supply system for gas turbine engine bearings
EP1496197B1 (en) * 2000-09-26 2008-11-26 Mitsubishi Heavy Industries, Ltd. Shaft structure for a steam cooled gas turbine
US6579010B2 (en) * 2001-08-31 2003-06-17 General Electric Company Retainer nut
US6679045B2 (en) * 2001-12-18 2004-01-20 General Electric Company Flexibly coupled dual shell bearing housing
US6619030B1 (en) * 2002-03-01 2003-09-16 General Electric Company Aircraft engine with inter-turbine engine frame supported counter rotating low pressure turbine rotors
US8100666B2 (en) * 2008-12-22 2012-01-24 Pratt & Whitney Canada Corp. Rotor mounting system for gas turbine engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1132578A2 (en) * 2000-03-10 2001-09-12 General Electric Company Methods and apparatus for isolating gas turbine engine bearings
EP2365185A2 (en) * 2010-03-10 2011-09-14 United Technologies Corporation Gas turbine engine compressor and turbine section assembly utilizing tie shaft
EP2479406A2 (en) * 2011-01-24 2012-07-25 United Technologies Corporation Bearing System for Gas Turbine Engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014004491A1 *

Also Published As

Publication number Publication date
US20140010648A1 (en) 2014-01-09
EP2867499A1 (en) 2015-05-06
WO2014004491A1 (en) 2014-01-03

Similar Documents

Publication Publication Date Title
EP2910802A4 (en) Thrust bearing
EP2800913A4 (en) Hybrid bearing turbomachine
EP2773859A4 (en) Multi-combustor turbine
EP2757278A4 (en) Bearing device
GB201221260D0 (en) Turbine
EP2787181A4 (en) Radial turbine
EP2669473A4 (en) Radial turbine
EP2867499A4 (en) Sleeve for turbine bearing stack
TWI460369B (en) Split type aerostatic bearing
EP2682620A4 (en) Sliding bearing
EP2792852A4 (en) Turbine
EP2821617A4 (en) Turbine rotor
EP2762736A4 (en) Sliding bearing
EP2841783A4 (en) Bearing arrangement
EP2863080A4 (en) Half bearing
EP2767673A4 (en) Axial turbine
ZA201409109B (en) Turbine arrangement
EP2882938A4 (en) Turbine assembly
EP2759678A4 (en) Turbine
EP2815141A4 (en) Bearing component
EP2932069A4 (en) Turbine hub retainer
PL2650084T3 (en) Turbine
GB2498941B (en) Bearing puller
GB201220479D0 (en) Turbomachine
GB201121162D0 (en) Bearing arrangement

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20150129

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150825

RIC1 Information provided on ipc code assigned before grant

Ipc: F02C 7/32 20060101ALI20150819BHEP

Ipc: F01D 25/16 20060101ALI20150819BHEP

Ipc: F02C 7/06 20060101AFI20150819BHEP

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: UNITED TECHNOLOGIES CORPORATION

18D Application deemed to be withdrawn

Effective date: 20160322