GB1024844A - Improvements in or relating to steam turbines - Google Patents

Improvements in or relating to steam turbines

Info

Publication number
GB1024844A
GB1024844A GB5340/62A GB534062A GB1024844A GB 1024844 A GB1024844 A GB 1024844A GB 5340/62 A GB5340/62 A GB 5340/62A GB 534062 A GB534062 A GB 534062A GB 1024844 A GB1024844 A GB 1024844A
Authority
GB
United Kingdom
Prior art keywords
outer casing
steam
diaphragm
diaphragms
turbine
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
GB5340/62A
Inventor
Michael Leslie Ryall
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.)
Pametrada
Original Assignee
Pametrada
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 Pametrada filed Critical Pametrada
Priority to GB5340/62A priority Critical patent/GB1024844A/en
Priority to US253728A priority patent/US3176958A/en
Priority to CH156963A priority patent/CH413867A/en
Publication of GB1024844A publication Critical patent/GB1024844A/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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/26—Double casings; Measures against temperature strain in casings
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246—Fastening of diaphragms or stator-rings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

1,024,844. Steam turbines. PAMETRADA. Jan. 22, 1963 [Feb. 12, 1962], No. 5340/62. Heading FIT. A steam turbine comprises an inner casing and an outer casing, the inner casing comprising the abutting assembly of rims of the turbine interstage diaphragms and defining with the outer casing a steam zone. The diaphragms are each made in two parts, each part having an external flange which mates with the corresponding external flange of the other part, the flanges having lugs slidably supported on axially-extending ledges in the outer casing. Axial gaps between adjacent lugs provide communication between the portions of the steam zone on opposite sides of the ledges and lugs. In Fig. 3, the turbine comprises a series of diaphragms 1 each of which is formed with an axially thickened rim portion 2, the rim portions abutting together to form a turbine inner casing which is disposed within a cast outer casing 5. The diaphragms are each formed in two parts secured together at the horizontal plane by means of bolts 3 (Fig. 2, not shown), the abutting flanges of each diaphragm being received within a recess 4 within the outer casing whereby the assembly forming the inner casing is supported. Integral lugs 6 formed in the lower half of the outer casing engage recesses in the lower halves of the inner casing. Openings 10 are formed in the rim 2 of a diaphragm whereby steam may be bled from a turbine stage into an annular belt 9b. Further openings 10a are formed in the rim of a second diaphragm whereby steam bled from a lower pressure stage is supplied into a second annular belt 9a, the outlets from the steam belts 9b, 9a being indicated at 11b, 11a. The diaphragm rims abut at the downstream end against an annular flange 7 integral with the outer casing while at the upstream end, an annular ring 8 engages against the upstream end of the assembly of diaphragm rims and is received within an annular groove within the outer casing.
GB5340/62A 1962-02-12 1962-02-12 Improvements in or relating to steam turbines Expired GB1024844A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB5340/62A GB1024844A (en) 1962-02-12 1962-02-12 Improvements in or relating to steam turbines
US253728A US3176958A (en) 1962-02-12 1963-01-24 Steam turbines
CH156963A CH413867A (en) 1962-02-12 1963-02-08 Steam turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5340/62A GB1024844A (en) 1962-02-12 1962-02-12 Improvements in or relating to steam turbines

Publications (1)

Publication Number Publication Date
GB1024844A true GB1024844A (en) 1966-04-06

Family

ID=9794278

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5340/62A Expired GB1024844A (en) 1962-02-12 1962-02-12 Improvements in or relating to steam turbines

Country Status (3)

Country Link
US (1) US3176958A (en)
CH (1) CH413867A (en)
GB (1) GB1024844A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0156619A1 (en) * 1984-03-23 1985-10-02 Westinghouse Electric Corporation Blade ring for a steam turbine

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3313517A (en) * 1965-04-01 1967-04-11 Worthington Corp Gas expander turbines for power recovery use with jet type, hot gas generators
DE3012287C2 (en) 1980-03-29 1985-08-08 Fröhlich & Wolff GmbH, 3436 Hessisch Lichtenau Fabric and method of its equipment
JPS6123601Y2 (en) * 1980-10-22 1986-07-15
US5676521A (en) * 1996-07-22 1997-10-14 Haynes; Christopher J. Steam turbine with superheat retaining extraction
JP3986163B2 (en) 1998-06-04 2007-10-03 三菱重工業株式会社 Nozzle chamber warm-up structure of steam turbine
US7497658B2 (en) * 2005-11-11 2009-03-03 General Electric Company Stacked reaction steam turbine stator assembly
EP2372111A1 (en) * 2010-03-27 2011-10-05 Alstom Technology Ltd Low pressure turbine with two independent condensing systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1692537A (en) * 1923-08-02 1928-11-20 Westinghouse Electric & Mfg Co Elastic-fluid turbine
CH210881A (en) * 1939-07-31 1940-08-15 Escher Wyss Maschf Ag Steam turbine, of which at least some of the stages work in the wet steam area.
US2247378A (en) * 1940-01-25 1941-07-01 Gen Electric Elastic fluid turbine diaphragm supporting and centering arrangement
US2247387A (en) * 1940-01-25 1941-07-01 Gen Electric Elastic fluid turbine diaphragm supporting and centering arrangement
FR896203A (en) * 1942-07-09 1945-02-15 Wagner Hochdruck Dampfturbinen Guide vane supports for steam or gas turbines
CH290097A (en) * 1948-10-05 1953-04-15 English Electric Co Ltd Gas turbine installation.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0156619A1 (en) * 1984-03-23 1985-10-02 Westinghouse Electric Corporation Blade ring for a steam turbine

Also Published As

Publication number Publication date
CH413867A (en) 1966-05-31
US3176958A (en) 1965-04-06

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