EP2904243A4 - Aerodynamic intercompressor bleed ports - Google Patents

Aerodynamic intercompressor bleed ports

Info

Publication number: EP2904243A4
Authority: EP; European Patent Office
Prior art keywords: intercompressor; aerodynamic; bleed ports; bleed; ports
Prior art date: 2012-10-04
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP13843532.6A

Other languages

German (de)

French (fr)

Other versions

EP2904243A1 (en

Inventor

Jonathan D Little

Kevin J Cummings

Paul S Schweiger

Daniel J Monahan

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.)

2012-10-04

Filing date

2013-10-03

Publication date

2016-06-29

2012-10-04 Priority claimed from US13/644,597 external-priority patent/US9322337B2/en

2013-10-03 Application filed by United Technologies Corp filed Critical United Technologies Corp

2015-08-12 Publication of EP2904243A1 publication Critical patent/EP2904243A1/en

2016-06-29 Publication of EP2904243A4 publication Critical patent/EP2904243A4/en

Status Withdrawn legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/16—Control of working fluid flow
- F02C9/18—Control of working fluid flow by bleeding, bypassing or acting on variable working fluid interconnections between turbines or compressors or their stages
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
- F04D27/0215—Arrangements therefor, e.g. bleed or by-pass valves
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
- F04D27/023—Details or means for fluid extraction
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Life Sciences & Earth Sciences (AREA)
Sustainable Development (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

EP13843532.6A 2012-10-04 2013-10-03 Aerodynamic intercompressor bleed ports Withdrawn EP2904243A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US13/644,597 US9322337B2 (en)	2012-06-20	2012-10-04	Aerodynamic intercompressor bleed ports
PCT/US2013/063247 WO2014055751A1 (en)	2012-10-04	2013-10-03	Aerodynamic intercompressor bleed ports

Publications (2)

Publication Number	Publication Date
EP2904243A1 EP2904243A1 (en)	2015-08-12
EP2904243A4 true EP2904243A4 (en)	2016-06-29

Family

ID=50435430

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP13843532.6A Withdrawn EP2904243A4 (en)	2012-10-04	2013-10-03	Aerodynamic intercompressor bleed ports

Country Status (2)

Country	Link
EP (1)	EP2904243A4 (en)
WO (1)	WO2014055751A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5155993A (en) *	1990-04-09	1992-10-20	General Electric Company	Apparatus for compressor air extraction
US6106227A (en) *	1998-02-27	2000-08-22	United Technologies Corporation	Roller assembly for guiding an actuating ring
EP2431590A2 (en) *	2010-09-21	2012-03-21	United Technologies Corporation	Gas turbine engine with bleed duct for minimum reduction of bleed flow and minimum rejection of hail during hail ingestion events
EP2904213A1 (en) *	2012-10-01	2015-08-12	United Technologies Corporation	Reduced height ligaments to minimize non-integral vibrations in rotor blades

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2823532B1 (en) *	2001-04-12	2003-07-18	Snecma Moteurs	DISCHARGE SYSTEM FOR A TURBO-JET OR TURBO-PROPELLER WITH SIMPLIFIED CONTROL
US6802691B2 (en) *	2002-11-19	2004-10-12	United Technologies Corporation	Maintainable compressor stability bleed system
US7946104B2 (en) *	2006-05-12	2011-05-24	Rohr, Inc.	Bleed air relief system for engines
GB0810883D0 (en) *	2008-06-16	2008-07-23	Rolls Royce Plc	A bleed valve arrangement
US9175605B2 (en) *	2009-12-29	2015-11-03	Rolls-Royce Corporation	Gas turbine engine surge margin bleed power recuperation

2013
- 2013-10-03 EP EP13843532.6A patent/EP2904243A4/en not_active Withdrawn
- 2013-10-03 WO PCT/US2013/063247 patent/WO2014055751A1/en active Application Filing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5155993A (en) *	1990-04-09	1992-10-20	General Electric Company	Apparatus for compressor air extraction
US6106227A (en) *	1998-02-27	2000-08-22	United Technologies Corporation	Roller assembly for guiding an actuating ring
EP2431590A2 (en) *	2010-09-21	2012-03-21	United Technologies Corporation	Gas turbine engine with bleed duct for minimum reduction of bleed flow and minimum rejection of hail during hail ingestion events
EP2904213A1 (en) *	2012-10-01	2015-08-12	United Technologies Corporation	Reduced height ligaments to minimize non-integral vibrations in rotor blades

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014055751A1 *

Also Published As

Publication number	Publication date
EP2904243A1 (en)	2015-08-12
WO2014055751A1 (en)	2014-04-10

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Legal Events

Date	Code	Title	Description
2015-07-10	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
2015-08-12	17P	Request for examination filed	Effective date: 20150501
2015-08-12	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
2015-08-12	AX	Request for extension of the european patent	Extension state: BA ME
2015-11-11	RIN1	Information on inventor provided before grant (corrected)	Inventor name: SCHWEIGER, PAUL S. Inventor name: LITTLE, JONATHAN D. Inventor name: MONAHAN, DANIEL J. Inventor name: CUMMINGS, KEVIN J.
2016-01-13	DAX	Request for extension of the european patent (deleted)
2016-06-29	RA4	Supplementary search report drawn up and despatched (corrected)	Effective date: 20160527
2016-06-29	RIC1	Information provided on ipc code assigned before grant	Ipc: F02C 9/18 20060101AFI20160520BHEP Ipc: F02C 9/00 20060101ALI20160520BHEP
2016-10-26	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: UNITED TECHNOLOGIES CORPORATION
2017-06-16	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
2017-07-19	18D	Application deemed to be withdrawn	Effective date: 20170103