GB486340A - Improvements in or relating to steam turbines - Google Patents

Improvements in or relating to steam turbines

Info

Publication number
GB486340A
GB486340A GB6118/37A GB611837A GB486340A GB 486340 A GB486340 A GB 486340A GB 6118/37 A GB6118/37 A GB 6118/37A GB 611837 A GB611837 A GB 611837A GB 486340 A GB486340 A GB 486340A
Authority
GB
United Kingdom
Prior art keywords
carrier
revolution
true
supporting members
steam
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
GB6118/37A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB486340A publication Critical patent/GB486340A/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

Landscapes

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

Abstract

486,340. Elastic - fluid turbines. RODER, K. March 1, 1937, Nos. 6118, 6119, and 6120. Convention dates, Feb. 29, 1936, Oct. 9, 1936, and Nov. 4, 1936. [Class 110 (iii)] A steam turbine has a guide blade carrier a, which though subdivided in at least one axial plane, is formed as a true body of revolution, i.e. any section in a plane at right-angles to the axis of rotation of the rotor b is a true circle, and is held in position by one or more supporting members d, d<1>, lying in the steam space and themselves constituting true bodies of revolution, the carrier and the supporting member or members being so assembled that the subdivided carrier as a whole acts as an undivided true body of revolution. One of the supporting members d<2> may be constituted by a single unit, i.e. a ring or it may be subdivided in an axial plane at right-angles to the plane of subdivision of the carrier. One of the supporting members c<1> may also be carried by an internal annular wall c<11> integral and concentric with the housing. The shape, size and position in the flow of steam of the supporting members are so chosen that they will respond to temperature variations more rapidly than the adjacent parts of the rotor so that during starting up when the temperature changes are large the clearances will first increase and then decrease. The materials from which the carrier parts and the rotor are made preferably have approximately the same coefficient of expansion. The casing is so arranged that those parts, i.e. steam connections, which cause the housing to deviate from a true body of revolution are so arranged that any deformation of the housing on one side is balanced out by an equal deformation on the other side.
GB6118/37A 1936-02-29 1937-03-01 Improvements in or relating to steam turbines Expired GB486340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE486340X 1936-02-29

Publications (1)

Publication Number Publication Date
GB486340A true GB486340A (en) 1938-06-02

Family

ID=6543429

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6118/37A Expired GB486340A (en) 1936-02-29 1937-03-01 Improvements in or relating to steam turbines

Country Status (2)

Country Link
AT (1) AT151561B (en)
GB (1) GB486340A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843357A (en) * 1955-05-06 1958-07-15 Westinghouse Electric Corp Rotary fluid handling apparatus
US2873909A (en) * 1954-10-26 1959-02-17 Svenska Rotor Maskiner Ab Rotary devices and casing structures therefor
US2994472A (en) * 1958-12-29 1961-08-01 Gen Electric Tip clearance control system for turbomachines
US3043559A (en) * 1954-10-22 1962-07-10 Maschf Augsburg Nuernberg Ag Gas turbine
US6517313B2 (en) 2001-06-25 2003-02-11 Pratt & Whitney Canada Corp. Segmented turbine vane support structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE917007C (en) * 1939-10-17 1954-08-23 Karl Roeder Dr Ing Multi-ring guide vane or seal carrier for axial steam or gas turbines

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043559A (en) * 1954-10-22 1962-07-10 Maschf Augsburg Nuernberg Ag Gas turbine
US2873909A (en) * 1954-10-26 1959-02-17 Svenska Rotor Maskiner Ab Rotary devices and casing structures therefor
US2843357A (en) * 1955-05-06 1958-07-15 Westinghouse Electric Corp Rotary fluid handling apparatus
US2994472A (en) * 1958-12-29 1961-08-01 Gen Electric Tip clearance control system for turbomachines
US6517313B2 (en) 2001-06-25 2003-02-11 Pratt & Whitney Canada Corp. Segmented turbine vane support structure

Also Published As

Publication number Publication date
AT151561B (en) 1937-11-25

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