CZ284460B6 - Turbostroj s axiální plynovou třecí ucpávkou - Google Patents

Turbostroj s axiální plynovou třecí ucpávkou Download PDF

Info

Publication number
CZ284460B6
CZ284460B6 CZ931308A CZ130893A CZ284460B6 CZ 284460 B6 CZ284460 B6 CZ 284460B6 CZ 931308 A CZ931308 A CZ 931308A CZ 130893 A CZ130893 A CZ 130893A CZ 284460 B6 CZ284460 B6 CZ 284460B6
Authority
CZ
Czechia
Prior art keywords
gas
seal
housing
pressure
primary
Prior art date
Application number
CZ931308A
Other languages
Czech (cs)
English (en)
Other versions
CZ130893A3 (en
Inventor
Hans Schmohl
Heinrich Lorenzen
Original Assignee
Sulzer-Escher Wyss 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 date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4225615&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CZ284460(B6) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sulzer-Escher Wyss Ag filed Critical Sulzer-Escher Wyss Ag
Publication of CZ130893A3 publication Critical patent/CZ130893A3/cs
Publication of CZ284460B6 publication Critical patent/CZ284460B6/cs

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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3492—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member with monitoring or measuring means associated with the seal
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
    • F01D11/06—Control thereof
    • 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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/14—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to other specific conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0292—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
    • F04D29/124—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps with special means for adducting cooling or sealing fluid
    • 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
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal

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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CZ931308A 1992-07-02 1993-06-29 Turbostroj s axiální plynovou třecí ucpávkou CZ284460B6 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH208892A CH686525A5 (de) 1992-07-02 1992-07-02 Turbomaschine .

Publications (2)

Publication Number Publication Date
CZ130893A3 CZ130893A3 (en) 1994-12-15
CZ284460B6 true CZ284460B6 (cs) 1998-12-16

Family

ID=4225615

Family Applications (1)

Application Number Title Priority Date Filing Date
CZ931308A CZ284460B6 (cs) 1992-07-02 1993-06-29 Turbostroj s axiální plynovou třecí ucpávkou

Country Status (6)

Country Link
US (1) US5412977A (https=)
EP (1) EP0576859B1 (https=)
JP (1) JPH06105055B2 (https=)
CH (1) CH686525A5 (https=)
CZ (1) CZ284460B6 (https=)
DE (2) DE4225642C1 (https=)

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Also Published As

Publication number Publication date
EP0576859B1 (de) 1996-08-14
DE4225642C1 (https=) 1993-07-29
EP0576859A1 (de) 1994-01-05
JPH06105055B2 (ja) 1994-12-21
US5412977A (en) 1995-05-09
JPH0666158A (ja) 1994-03-08
CH686525A5 (de) 1996-04-15
CZ130893A3 (en) 1994-12-15
DE59303414D1 (de) 1996-09-19

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Date Code Title Description
IF00 In force as of 2000-06-30 in czech republic
MM4A Patent lapsed due to non-payment of fee

Effective date: 20020629