DE69405633D1 - Rotoreinheit - Google Patents

Rotoreinheit

Info

Publication number
DE69405633D1
DE69405633D1 DE69405633T DE69405633T DE69405633D1 DE 69405633 D1 DE69405633 D1 DE 69405633D1 DE 69405633 T DE69405633 T DE 69405633T DE 69405633 T DE69405633 T DE 69405633T DE 69405633 D1 DE69405633 D1 DE 69405633D1
Authority
DE
Germany
Prior art keywords
rotor unit
rotor
unit
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.)
Expired - Lifetime
Application number
DE69405633T
Other languages
English (en)
Inventor
William B Roberts
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.)
Teleflex Inc
Original Assignee
Teleflex Inc
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 Teleflex Inc filed Critical Teleflex Inc
Application granted granted Critical
Publication of DE69405633D1 publication Critical patent/DE69405633D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/327—Application in turbines in gas turbines to drive shrouded, high solidity propeller
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/914—Device to control boundary layer
DE69405633T 1993-04-30 1994-02-08 Rotoreinheit Expired - Lifetime DE69405633D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/055,203 US5275531A (en) 1993-04-30 1993-04-30 Area ruled fan blade ends for turbofan jet engine

Publications (1)

Publication Number Publication Date
DE69405633D1 true DE69405633D1 (de) 1997-10-23

Family

ID=21996330

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69405633T Expired - Lifetime DE69405633D1 (de) 1993-04-30 1994-02-08 Rotoreinheit

Country Status (3)

Country Link
US (1) US5275531A (de)
EP (1) EP0622526B1 (de)
DE (1) DE69405633D1 (de)

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EP0593797B1 (de) * 1992-10-17 1996-07-10 Asea Brown Boveri Ag Stabilisierungseinrichtung zur Kennfelderweiterung eines Verdichters
US5397215A (en) * 1993-06-14 1995-03-14 United Technologies Corporation Flow directing assembly for the compression section of a rotary machine
JP3118136B2 (ja) * 1994-03-28 2000-12-18 株式会社先進材料利用ガスジェネレータ研究所 軸流圧縮機のケーシング
US5695323A (en) * 1996-04-19 1997-12-09 Westinghouse Electric Corporation Aerodynamically optimized mid-span snubber for combustion turbine blade
JP2003517525A (ja) 1998-02-26 2003-05-27 アリソン・アドバンスト・ディベロップメント・カンパニー 圧縮機端壁ブリードシステム
US6561761B1 (en) 2000-02-18 2003-05-13 General Electric Company Fluted compressor flowpath
US6669445B2 (en) * 2002-03-07 2003-12-30 United Technologies Corporation Endwall shape for use in turbomachinery
DE10352788A1 (de) * 2003-11-12 2005-06-30 Mtu Aero Engines Gmbh Gasturbine
DE102004059904A1 (de) * 2004-12-13 2006-06-14 Alstom Technology Ltd Laufschaufel für eine Turbomaschine sowie Verfahren zu deren Herstellung
US7484935B2 (en) * 2005-06-02 2009-02-03 Honeywell International Inc. Turbine rotor hub contour
ATE553284T1 (de) * 2007-02-05 2012-04-15 Siemens Ag Turbinenschaufel
JP2009007981A (ja) * 2007-06-27 2009-01-15 Toshiba Corp 蒸気タービン用長動翼翼列の中間固定支持構造及び蒸気タービン
EP2146053A1 (de) * 2008-07-17 2010-01-20 Siemens Aktiengesellschaft Axialturbomaschine mit geringen Spaltverlusten
US8657570B2 (en) * 2009-06-30 2014-02-25 General Electric Company Rotor blade with reduced rub loading
US8662834B2 (en) * 2009-06-30 2014-03-04 General Electric Company Method for reducing tip rub loading
JP5628307B2 (ja) * 2009-06-30 2014-11-19 ゼネラル・エレクトリック・カンパニイ 先端摩擦荷重を低減するためのロータブレード及び方法
US20110158808A1 (en) * 2009-12-29 2011-06-30 Hamilton Sundstrand Corporation Method for propeller blade root flow control by airflow through spinner
GB201017797D0 (en) * 2010-10-21 2010-12-01 Rolls Royce Plc An aerofoil structure
US9261112B2 (en) 2012-04-24 2016-02-16 General Electric Company Dampers for fan spinners of aircraft engines
US9506353B2 (en) * 2012-12-19 2016-11-29 United Technologies Corporation Lightweight shrouded fan blade
US10465531B2 (en) 2013-02-21 2019-11-05 General Electric Company Turbine blade tip shroud and mid-span snubber with compound contact angle
DE102014212652A1 (de) * 2014-06-30 2016-01-14 MTU Aero Engines AG Strömungsmaschine
US10378554B2 (en) 2014-09-23 2019-08-13 Pratt & Whitney Canada Corp. Gas turbine engine with partial inlet vane
US10145301B2 (en) 2014-09-23 2018-12-04 Pratt & Whitney Canada Corp. Gas turbine engine inlet
US9938848B2 (en) * 2015-04-23 2018-04-10 Pratt & Whitney Canada Corp. Rotor assembly with wear member
US9957807B2 (en) 2015-04-23 2018-05-01 Pratt & Whitney Canada Corp. Rotor assembly with scoop
PL412269A1 (pl) 2015-05-11 2016-11-21 General Electric Company Zanurzony wlot kanału przepływu między łopatką wirnika i łopatką kierowniczą dla turbiny gazowej z otwartym wentylatorem
US20170029091A1 (en) * 2015-07-27 2017-02-02 Northrop Grumman Systems Corporation Propeller having extending outer blade
US10724540B2 (en) 2016-12-06 2020-07-28 Pratt & Whitney Canada Corp. Stator for a gas turbine engine fan
US10690146B2 (en) 2017-01-05 2020-06-23 Pratt & Whitney Canada Corp. Turbofan nacelle assembly with flow disruptor
US10773817B1 (en) 2018-03-08 2020-09-15 Northrop Grumman Systems Corporation Bi-directional flow ram air system for an aircraft
FR3080886B1 (fr) * 2018-05-02 2020-10-30 Safran Aircraft Engines Turbomachine a soufflante carenee
EP3608505B1 (de) 2018-08-08 2021-06-23 General Electric Company Turbine mit seitenwandführung
CN110067774A (zh) * 2019-04-16 2019-07-30 中国航发湖南动力机械研究所 组合叶轮及燃气涡轮发动机的压气机
US11286955B2 (en) 2019-10-11 2022-03-29 General Electric Company Ducted fan with fan casing defining an over-rotor cavity
US11149552B2 (en) * 2019-12-13 2021-10-19 General Electric Company Shroud for splitter and rotor airfoils of a fan for a gas turbine engine
US11767760B2 (en) * 2020-11-04 2023-09-26 Honeywell International Inc. Geometric approach to stress reduced intra-flow path shrouds for tuning modal responses in ram air turbine rotors
IT202100002240A1 (it) 2021-02-02 2022-08-02 Gen Electric Motore a turbine con palette a flusso trasversale ridotto
US20230096351A1 (en) * 2021-09-24 2023-03-30 General Electric Company Fan blade assembly with midspan shroud
US11572827B1 (en) * 2021-10-15 2023-02-07 General Electric Company Unducted propulsion system
US11753144B2 (en) 2021-10-15 2023-09-12 General Electric Company Unducted propulsion system
US11913355B2 (en) * 2022-02-14 2024-02-27 General Electric Company Part-span shrouds for pitch controlled aircrafts

Family Cites Families (19)

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FR996967A (fr) * 1949-09-06 1951-12-31 Rateau Soc Perfectionnement aux aubages de turbomachines
FR1033197A (fr) * 1951-02-27 1953-07-08 Rateau Soc Amortisseurs de vibrations pour aubages mobiles de turbo-machines
US2874922A (en) * 1956-08-24 1959-02-24 Richard T Whitcomb Fuselage shaping to reduce the strength of shock waves about airplanes at transonic and supersonic speeds
GB858706A (en) * 1957-02-18 1961-01-11 United Aircraft Corp Drag-reducing devices for aircraft propellers
US3837761A (en) * 1971-08-20 1974-09-24 Westinghouse Electric Corp Guide vanes for supersonic turbine blades
US3806067A (en) * 1971-08-30 1974-04-23 Gen Electric Area ruled nacelle
US3934410A (en) * 1972-09-15 1976-01-27 The United States Of America As Represented By The Secretary Of The Navy Quiet shrouded circulation control propeller
US3989406A (en) * 1974-11-26 1976-11-02 Bolt Beranek And Newman, Inc. Method of and apparatus for preventing leading edge shocks and shock-related noise in transonic and supersonic rotor blades and the like
GB1518293A (en) * 1975-09-25 1978-07-19 Rolls Royce Axial flow compressors particularly for gas turbine engines
US4012165A (en) * 1975-12-08 1977-03-15 United Technologies Corporation Fan structure
US4171183A (en) * 1976-09-24 1979-10-16 United Technologies Corporation Multi-bladed, high speed prop-fan
USRE32737E (en) * 1980-06-30 1988-08-23 Southern California Edison Continuous harmonic shrouding
US4566700A (en) * 1982-08-09 1986-01-28 United Technologies Corporation Abrasive/abradable gas path seal system
US4677828A (en) * 1983-06-16 1987-07-07 United Technologies Corporation Circumferentially area ruled duct
GB2192234B (en) * 1986-07-02 1991-04-17 Rolls Royce Plc A turbofan gas turbine engine
US4726737A (en) * 1986-10-28 1988-02-23 United Technologies Corporation Reduced loss swept supersonic fan blade
US4798519A (en) * 1987-08-24 1989-01-17 United Technologies Corporation Compressor part span shroud
GB8904478D0 (en) * 1989-02-28 1989-04-12 Rolls Royce Plc Gas turbine engine air intake
US5056738A (en) * 1989-09-07 1991-10-15 General Electric Company Damper assembly for a strut in a jet propulsion engine

Also Published As

Publication number Publication date
EP0622526B1 (de) 1997-09-17
EP0622526A1 (de) 1994-11-02
US5275531A (en) 1994-01-04

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Legal Events

Date Code Title Description
8332 No legal effect for de