FR1476987A - Perfectionnements aux dispositifs d'étanchéité pour compresseurs - Google Patents

Perfectionnements aux dispositifs d'étanchéité pour compresseurs

Info

Publication number
FR1476987A
FR1476987A FR4923A FR38004923A FR1476987A FR 1476987 A FR1476987 A FR 1476987A FR 4923 A FR4923 A FR 4923A FR 38004923 A FR38004923 A FR 38004923A FR 1476987 A FR1476987 A FR 1476987A
Authority
FR
France
Prior art keywords
compressors
sealing devices
sealing
devices
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
FR4923A
Other languages
English (en)
Inventor
Joseph Jerome Welch
John Damon Rosenthal
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.)
Raytheon Technologies Corp
Original Assignee
United Aircraft Corp
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 United Aircraft Corp filed Critical United Aircraft Corp
Application granted granted Critical
Publication of FR1476987A publication Critical patent/FR1476987A/fr
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/025Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/16Sealings between pressure and suction sides
    • F04D29/161Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/16Sealings between pressure and suction sides
    • F04D29/161Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/44Free-space packings
    • F16J15/447Labyrinth packings
    • F16J15/4476Labyrinth packings with radial path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR4923A 1965-04-21 1966-04-21 Perfectionnements aux dispositifs d'étanchéité pour compresseurs Expired FR1476987A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US449738A US3303997A (en) 1965-04-21 1965-04-21 Compressor air seal

Publications (1)

Publication Number Publication Date
FR1476987A true FR1476987A (fr) 1967-04-14

Family

ID=23785295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4923A Expired FR1476987A (fr) 1965-04-21 1966-04-21 Perfectionnements aux dispositifs d'étanchéité pour compresseurs

Country Status (5)

Country Link
US (1) US3303997A (fr)
DE (1) DE1525907A1 (fr)
FR (1) FR1476987A (fr)
GB (1) GB1081158A (fr)
SE (1) SE311558B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3013096A1 (fr) * 2013-11-14 2015-05-15 Snecma Systeme d'etancheite a deux rangees de lechettes complementaires

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1551193A1 (de) * 1967-05-16 1970-03-12 Licentia Gmbh Schnellstartturbine
DE2163096B2 (de) * 1971-12-18 1974-02-14 Gutehoffnungshuette Sterkrade Ag, 4200 Oberhausen Verfahren zur Wiederaufwärmung eines verdichteten Gasstromes über dem Taupunkt
US3791759A (en) * 1972-06-07 1974-02-12 Us Air Force Turbine pressure attenuation plenum chambers
GB2042086B (en) * 1979-02-26 1983-10-12 Gen Electric Gas turbine engine seal
US4554789A (en) * 1979-02-26 1985-11-26 General Electric Company Seal cooling apparatus
US4852355A (en) * 1980-12-22 1989-08-01 General Electric Company Dispensing arrangement for pressurized air
US9206705B2 (en) 2012-03-07 2015-12-08 Mitsubishi Hitachi Power Systems, Ltd. Sealing device and gas turbine having the same
US9583456B2 (en) 2013-11-22 2017-02-28 Invensas Corporation Multiple bond via arrays of different wire heights on a same substrate

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1978239A (en) * 1930-04-21 1934-10-23 Elizabeth Wheeler Multistage impact packing
US2084909A (en) * 1934-06-08 1937-06-22 Gen Electric Packing arrangement
US2647684A (en) * 1947-03-13 1953-08-04 Rolls Royce Gas turbine engine
US2722101A (en) * 1948-12-21 1955-11-01 Solar Aircraft Co Gas turbine sealing and cooling structure
US2682363A (en) * 1950-12-08 1954-06-29 Rolls Royce Gas turbine engine
US2937495A (en) * 1956-02-27 1960-05-24 Power Jets Res & Dev Ltd Gas turbine plant
FR1262633A (fr) * 1960-04-19 1961-06-05 Rateau Soc Dispositif pour diminuer l'échauffement des turbines
GB969579A (en) * 1962-11-09 1964-09-09 Rolls Royce Gas turbine engine
US3189320A (en) * 1963-04-29 1965-06-15 Westinghouse Electric Corp Method of cooling turbine rotors and discs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3013096A1 (fr) * 2013-11-14 2015-05-15 Snecma Systeme d'etancheite a deux rangees de lechettes complementaires
WO2015071585A1 (fr) * 2013-11-14 2015-05-21 Snecma Systeme d'etancheite a deux rangees de lechettes complementaires
US10138745B2 (en) 2013-11-14 2018-11-27 Safran Aircraft Engines Sealing system with two rows of complementary sealing elements

Also Published As

Publication number Publication date
GB1081158A (en) 1967-08-31
SE311558B (fr) 1969-06-16
DE1525907A1 (de) 1970-07-02
US3303997A (en) 1967-02-14

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