GB880281A - Mountings of adjustable rotor blades in axial flow turbines or compressors - Google Patents

Mountings of adjustable rotor blades in axial flow turbines or compressors

Info

Publication number
GB880281A
GB880281A GB27471/60A GB2747160A GB880281A GB 880281 A GB880281 A GB 880281A GB 27471/60 A GB27471/60 A GB 27471/60A GB 2747160 A GB2747160 A GB 2747160A GB 880281 A GB880281 A GB 880281A
Authority
GB
United Kingdom
Prior art keywords
blades
axial
compressors
rotor
rotor blades
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
Application number
GB27471/60A
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.)
Sulzer AG
Original Assignee
Sulzer AG
Sulzer Freres SA
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 Sulzer AG, Sulzer Freres SA filed Critical Sulzer AG
Publication of GB880281A publication Critical patent/GB880281A/en
Expired 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
    • F01D7/00—Rotors with blades adjustable in operation; Control thereof
    • 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
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • 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
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

880,281. Axial-flow compressors and turbines. SULZER FRERES S.A. Aug. 8, 1960 [Aug. 14, 1959], No. 27471/60. Classes 110 (1) and 110 (3). The pivots 5, Fig. 1, of adjustable rotor blades 8 of an axial-flow compressor or turbine are each journalled in a radial bearing 10, and an axial bearing is afforded by a screwthread engagement 3 with a bush 11. The bush 11 is screwed into the rotor hub 1 and, after adjustment to give the required clearance between the blade tips and the casing and to balance the rotor, is secured by a locking device 4. It is stated that the radial displacement of the blades produced by the screw threads 3 when the blades are turned, keeps the mean blade tip clearance substantially constant. In a modification, annular member 6 is omitted and the bearings 10 are formed in hollow extensions of the bushes 11. Fig. 5 shows an inversion of this latter arrangement in which the blades 8 are carried by the extended bushes 11 and the pivots 5 are attached to the hub 1.
GB27471/60A 1959-08-14 1960-08-08 Mountings of adjustable rotor blades in axial flow turbines or compressors Expired GB880281A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH880281X 1959-08-14

Publications (1)

Publication Number Publication Date
GB880281A true GB880281A (en) 1961-10-18

Family

ID=4544782

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27471/60A Expired GB880281A (en) 1959-08-14 1960-08-08 Mountings of adjustable rotor blades in axial flow turbines or compressors

Country Status (1)

Country Link
GB (1) GB880281A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935625A (en) * 1971-03-30 1976-02-03 Aktiebolaget Svenska Flaktfabriken Method of manufacturing axial fans of different sizes
US6109871A (en) * 1997-03-31 2000-08-29 Horton, Inc. Integrated fan assembly with variable pitch blades
US6253716B1 (en) 1999-07-07 2001-07-03 Horton, Inc. Control system for cooling fan assembly having variable pitch blades
WO2006121499A1 (en) * 2005-05-05 2006-11-16 Siemens Power Generation, Inc. Method of repairing a threaded generator rotor blower assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935625A (en) * 1971-03-30 1976-02-03 Aktiebolaget Svenska Flaktfabriken Method of manufacturing axial fans of different sizes
US6109871A (en) * 1997-03-31 2000-08-29 Horton, Inc. Integrated fan assembly with variable pitch blades
US6253716B1 (en) 1999-07-07 2001-07-03 Horton, Inc. Control system for cooling fan assembly having variable pitch blades
WO2006121499A1 (en) * 2005-05-05 2006-11-16 Siemens Power Generation, Inc. Method of repairing a threaded generator rotor blower assembly
US7431565B2 (en) 2005-05-05 2008-10-07 Siemens Power Generation, Inc. Method of repairing a threaded generator rotor blower assembly

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