GB499793A - Improvements in shaft packings for elastic fluid turbines - Google Patents

Improvements in shaft packings for elastic fluid turbines

Info

Publication number
GB499793A
GB499793A GB2107637A GB2107637A GB499793A GB 499793 A GB499793 A GB 499793A GB 2107637 A GB2107637 A GB 2107637A GB 2107637 A GB2107637 A GB 2107637A GB 499793 A GB499793 A GB 499793A
Authority
GB
United Kingdom
Prior art keywords
rings
shaft
steam
elastic fluid
fluid turbines
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
GB2107637A
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.)
Ljungstroms Angturbin AB
Original Assignee
Ljungstroms Angturbin AB
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 Ljungstroms Angturbin AB filed Critical Ljungstroms Angturbin AB
Priority to GB2107637A priority Critical patent/GB499793A/en
Publication of GB499793A publication Critical patent/GB499793A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F16J15/4476—Labyrinth packings with radial path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/447—Labyrinth packings
    • F16J15/4472—Labyrinth packings with axial path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

499,793. Stuffing box substitutes. TENNANT, W. J. '(Aktiebolaget Ljungstroms Angturbin) July 29, 1937, No. 21076. [Class 122 (v)] In a labyrinth packing for turbine shafts the abutting end surfaces 35, 33 of the stationary and rotary rings 14, 7 respectively are provided with interengaging cylindrical projections so as to prevent relative radial movement. The rings are held in close contact by springs 23, 24, and packing rings 19, 22 prevent leakage of steam between the rings and shaft. A space 28 is supplied with air under pressure to exclude leakage steam from the shaft bearings. Specification 460,357 is referred to.
GB2107637A 1937-07-29 1937-07-29 Improvements in shaft packings for elastic fluid turbines Expired GB499793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2107637A GB499793A (en) 1937-07-29 1937-07-29 Improvements in shaft packings for elastic fluid turbines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2107637A GB499793A (en) 1937-07-29 1937-07-29 Improvements in shaft packings for elastic fluid turbines

Publications (1)

Publication Number Publication Date
GB499793A true GB499793A (en) 1939-01-30

Family

ID=10156796

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2107637A Expired GB499793A (en) 1937-07-29 1937-07-29 Improvements in shaft packings for elastic fluid turbines

Country Status (1)

Country Link
GB (1) GB499793A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049175B (en) * 1953-05-29 1959-01-22 Siemens Ag Labyrinth seal for high pressure centrifugal machines, especially steam turbines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049175B (en) * 1953-05-29 1959-01-22 Siemens Ag Labyrinth seal for high pressure centrifugal machines, especially steam turbines

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