GB613667A - Improvements in and relating to turbines - Google Patents

Improvements in and relating to turbines

Info

Publication number
GB613667A
GB613667A GB1897446A GB1897446A GB613667A GB 613667 A GB613667 A GB 613667A GB 1897446 A GB1897446 A GB 1897446A GB 1897446 A GB1897446 A GB 1897446A GB 613667 A GB613667 A GB 613667A
Authority
GB
United Kingdom
Prior art keywords
straddle
blades
gap
blade
serrations
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
GB1897446A
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.)
FREDERICK JOHN COWLIN
English Electric Co Ltd
Original Assignee
FREDERICK JOHN COWLIN
English Electric Co Ltd
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 FREDERICK JOHN COWLIN, English Electric Co Ltd filed Critical FREDERICK JOHN COWLIN
Priority to GB1897446A priority Critical patent/GB613667A/en
Publication of GB613667A publication Critical patent/GB613667A/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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
    • F01D5/3038—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot the slot having inwardly directed abutment faces on both sides

Landscapes

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

Abstract

613,667. Turbine and compressor blades. ENGLISH ELECTRIC CO., Ltd., and COWLIN, F. J. June 25, 1946, No. 18974. [Class 110 (iii)] The rotor disc has a gap in its circumference for the radial insertion of straddle-type blades preparatory to shifting them circumferentially into position, and the gap is serrated to match a complementarily serrated blade adapted to be laterally inserted therein to close the row of straddle blades. The straddle blades 2, 3 next to the gap 5 are similar to the ordinary straddle blades 1, but their roots are provided with additional serrations 6, 7 identical with the serrations in the flanks of the gap. The root of the closure blade 4 extends the full width of the disc periphery without any recess for a straddle seat. To allow of the lateral insertion of the blade 4, its trailing edge 4a is cut short, so as not to overlap with the leading edge of the adjacent blade 3. ,
GB1897446A 1946-06-25 1946-06-25 Improvements in and relating to turbines Expired GB613667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1897446A GB613667A (en) 1946-06-25 1946-06-25 Improvements in and relating to turbines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1897446A GB613667A (en) 1946-06-25 1946-06-25 Improvements in and relating to turbines

Publications (1)

Publication Number Publication Date
GB613667A true GB613667A (en) 1948-12-01

Family

ID=10121634

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1897446A Expired GB613667A (en) 1946-06-25 1946-06-25 Improvements in and relating to turbines

Country Status (1)

Country Link
GB (1) GB613667A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807436A (en) * 1952-03-25 1957-09-24 Gen Motors Corp Turbine wheel and bucket assembly
US2835471A (en) * 1952-02-26 1958-05-20 W H Allen Sons & Company Ltd Securing of blading to turbine wheels and other high speed rotary members
US4813850A (en) * 1988-04-06 1989-03-21 Westinghouse Electric Corp. Integral side entry control stage blade group
US5001830A (en) * 1989-10-23 1991-03-26 Westinghouse Electric Corp. Method for assembling side entry control stage blades in a steam turbine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835471A (en) * 1952-02-26 1958-05-20 W H Allen Sons & Company Ltd Securing of blading to turbine wheels and other high speed rotary members
US2807436A (en) * 1952-03-25 1957-09-24 Gen Motors Corp Turbine wheel and bucket assembly
US4813850A (en) * 1988-04-06 1989-03-21 Westinghouse Electric Corp. Integral side entry control stage blade group
US5001830A (en) * 1989-10-23 1991-03-26 Westinghouse Electric Corp. Method for assembling side entry control stage blades in a steam turbine

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