GB190902274A - Improvements in Stuffing Boxes or Packings for Steam-turbines, Gas-turbines and Compressors. - Google Patents

Improvements in Stuffing Boxes or Packings for Steam-turbines, Gas-turbines and Compressors.

Info

Publication number
GB190902274A
GB190902274A GB190902274DA GB190902274A GB 190902274 A GB190902274 A GB 190902274A GB 190902274D A GB190902274D A GB 190902274DA GB 190902274 A GB190902274 A GB 190902274A
Authority
GB
United Kingdom
Prior art keywords
rings
pressure
turbines
shaft
packings
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 - Lifetime
Application number
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.)
Rheinmetall Air Defence AG
Maschinenfabrik Oerlikon AG
Original Assignee
Werkzeugmaschinenfabrik Oerlikon Buhrle AG
Maschinenfabrik Oerlikon AG
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 of GB190902274A publication Critical patent/GB190902274A/en
Application filed by Werkzeugmaschinenfabrik Oerlikon Buhrle AG, Maschinenfabrik Oerlikon AG filed Critical Werkzeugmaschinenfabrik Oerlikon Buhrle AG
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/006—Sealings comprising at least two sealings in succession with division of the pressure
    • 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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
    • F16J15/3288—Filamentary structures, e.g. brush seals

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

2274. Maschinenfabrik Oerlikon. March 14, 1908, [Convention date]. Void. [Published under Section 91 of the Act.] Stuffing-boxes, substitutes for.-The shafts of steam and gas turbines and compressors &c. are packed by flexible rings forming a groove or labyrinth packing. The flexible rings a' ... a<6>, Fig. 1, are preferably conical, with their apexes inclined towards the pressure. The angle of the cone is chosen to suit the pressure. The rings are separated by spacing-rings b' ... b<5>, or may alternatively be secured in grooves in a solid bush, and the shaft may be protected from wear by a surrounding sleeve. Fig. 4 shows the packings at the high-pressure end H and the low-pressure end N of a turbine. In each case, a space in the box is maintained at a pressure slightly above that of the atmosphere, and the angle of the rings is directed towards the greater pressure. In a modification, the flexible rings are arranged at right-angles to the shaft. and rub on collars on the shaft.
GB190902274D 1908-03-14 1909-01-30 Improvements in Stuffing Boxes or Packings for Steam-turbines, Gas-turbines and Compressors. Expired - Lifetime GB190902274A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE190902274X 1908-03-14

Publications (1)

Publication Number Publication Date
GB190902274A true GB190902274A (en)

Family

ID=32521237

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190902274D Expired - Lifetime GB190902274A (en) 1908-03-14 1909-01-30 Improvements in Stuffing Boxes or Packings for Steam-turbines, Gas-turbines and Compressors.

Country Status (1)

Country Link
GB (1) GB190902274A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756536A (en) * 1986-12-06 1988-07-12 Rolls-Royce Plc Brush seal
US5181728A (en) * 1991-09-23 1993-01-26 General Electric Company Trenched brush seal
EP3156697A1 (en) * 2015-10-14 2017-04-19 Siemens Aktiengesellschaft Brush seal and turbo machine having a brush seal assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756536A (en) * 1986-12-06 1988-07-12 Rolls-Royce Plc Brush seal
US5181728A (en) * 1991-09-23 1993-01-26 General Electric Company Trenched brush seal
EP3156697A1 (en) * 2015-10-14 2017-04-19 Siemens Aktiengesellschaft Brush seal and turbo machine having a brush seal assembly

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