BR9203167A - Aperfeicoamento na tensao do impulsor atraves de excesso de velocidade - Google Patents

Aperfeicoamento na tensao do impulsor atraves de excesso de velocidade

Info

Publication number
BR9203167A
BR9203167A BR929203167A BR9203167A BR9203167A BR 9203167 A BR9203167 A BR 9203167A BR 929203167 A BR929203167 A BR 929203167A BR 9203167 A BR9203167 A BR 9203167A BR 9203167 A BR9203167 A BR 9203167A
Authority
BR
Brazil
Prior art keywords
impeller
tension
improving
excess speed
excess
Prior art date
Application number
BR929203167A
Other languages
English (en)
Inventor
Edward Paul Eardley
Original Assignee
Pracair Technology 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 Pracair Technology Inc filed Critical Pracair Technology Inc
Publication of BR9203167A publication Critical patent/BR9203167A/pt

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D1/00Non-positive-displacement machines or engines, e.g. steam turbines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00Modifying the physical properties of iron or steel by deformation
    • C21D7/02Modifying the physical properties of iron or steel by deformation by cold working
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/28Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/286Particular treatment of blades, e.g. to increase durability or resistance against corrosion or erosion
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00Modifying the physical properties of iron or steel by deformation
    • C21D7/02Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/10Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
    • C21D7/12Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars by expanding tubular bodies
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49316Impeller making
    • Y10T29/4932Turbomachine making

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Heat Treatment Of Articles (AREA)
  • Paper (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
BR929203167A 1991-11-15 1992-08-14 Aperfeicoamento na tensao do impulsor atraves de excesso de velocidade BR9203167A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/792,394 US5158435A (en) 1991-11-15 1991-11-15 Impeller stress improvement through overspeed

Publications (1)

Publication Number Publication Date
BR9203167A true BR9203167A (pt) 1993-05-18

Family

ID=25156761

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929203167A BR9203167A (pt) 1991-11-15 1992-08-14 Aperfeicoamento na tensao do impulsor atraves de excesso de velocidade

Country Status (10)

Country Link
US (1) US5158435A (pt)
EP (1) EP0541911B1 (pt)
JP (1) JPH05263601A (pt)
KR (1) KR930010348A (pt)
CN (1) CN1072754A (pt)
BR (1) BR9203167A (pt)
CA (1) CA2076243A1 (pt)
DE (1) DE69205119T2 (pt)
ES (1) ES2077312T3 (pt)
MX (1) MX9204729A (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10122516B4 (de) * 2001-05-09 2006-10-19 Mtu Friedrichshafen Gmbh Laufrad
JP2003193996A (ja) * 2001-12-25 2003-07-09 Komatsu Ltd 回転羽根部材の製造方法および回転羽根部材
GB0425088D0 (en) * 2004-11-13 2004-12-15 Holset Engineering Co Compressor wheel
NO330209B1 (no) * 2009-05-28 2011-03-07 Energreen As Apparat og fremgangsmate for a omdanne en andel av spesifikk energi i et fluid i gassfase til mekanisk arbeid
FR2956601B1 (fr) * 2010-02-22 2012-06-01 Snecma Procede et dispositif pour renforcer, par plastification, l'alesage d'un disque de turbomachine
JP2012122377A (ja) * 2010-12-07 2012-06-28 Mitsubishi Heavy Ind Ltd ラジアルタービン
DE102011079254A1 (de) * 2011-04-11 2012-10-11 Continental Automotive Gmbh Verdichterrad sowie Verfahren zum Einbringen von Eigenspannungen in ein Verdichterrad
US8959767B2 (en) * 2012-11-21 2015-02-24 United Technologies Corporation Method of extending life of rotating parts
SG10201502975RA (en) * 2014-06-03 2016-01-28 United Technologies Corp Systems and methods for pre-stressing blades
DE102019123259A1 (de) * 2019-08-30 2021-03-04 Schaeffler Technologies AG & Co. KG Verfahren zum Verfestigen einer Brückenanordnung eines Rotationskörpers
FR3100147B1 (fr) * 2019-09-04 2022-07-01 Safran Aircraft Engines Procede de relaxation des contraintes par rotation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1666581A (en) * 1927-05-25 1928-04-17 Henry E Rainaud Process and apparatus for spinning metal tubes
US1763256A (en) * 1929-01-16 1930-06-10 Westinghouse Electric & Mfg Co Turbine blade
FR1026815A (fr) * 1950-08-18 1953-05-05 Procédé de fabrication pour l'amélioration des matériaux des roues de turbines à gaz
SE395963B (sv) * 1975-03-06 1977-08-29 Stal Laval Turbin Ab Balanseringsanordning for roterande kropp
US4335997A (en) * 1980-01-16 1982-06-22 General Motors Corporation Stress resistant hybrid radial turbine wheel
US4411715A (en) * 1981-06-03 1983-10-25 The United States Of America As Represented By The Secretary Of The Air Force Method of enhancing rotor bore cyclic life
JPS6077919A (ja) * 1983-10-05 1985-05-02 Hitachi Ltd 周溶接部の残留応力改善法
JPS61234204A (ja) * 1985-04-10 1986-10-18 Mazda Motor Corp 過給機用タ−ビンブレ−ドの製造方法
DE3708507A1 (de) * 1987-03-16 1988-09-29 Siemens Ag Verfahren zur herstellung von turbinenradscheiben mit oertlichen hohen druckeigenspannungen in der nabenbohrung

Also Published As

Publication number Publication date
JPH05263601A (ja) 1993-10-12
EP0541911A1 (en) 1993-05-19
CN1072754A (zh) 1993-06-02
MX9204729A (es) 1993-07-01
DE69205119T2 (de) 1996-05-09
CA2076243A1 (en) 1993-05-16
EP0541911B1 (en) 1995-09-27
ES2077312T3 (es) 1995-11-16
DE69205119D1 (de) 1995-11-02
US5158435A (en) 1992-10-27
KR930010348A (ko) 1993-06-22

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Legal Events

Date Code Title Description
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law