FR1166292A - Improvement in sealing devices along rotating shafts - Google Patents

Improvement in sealing devices along rotating shafts

Info

Publication number
FR1166292A
FR1166292A FR1166292DA FR1166292A FR 1166292 A FR1166292 A FR 1166292A FR 1166292D A FR1166292D A FR 1166292DA FR 1166292 A FR1166292 A FR 1166292A
Authority
FR
France
Prior art keywords
improvement
rotating shafts
sealing devices
along rotating
devices along
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
Other languages
French (fr)
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.)
Alsacienne de Constructions Mecaniques SA
Original Assignee
Alsacienne de Constructions Mecaniques SA
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 Alsacienne de Constructions Mecaniques SA filed Critical Alsacienne de Constructions Mecaniques SA
Application granted granted Critical
Publication of FR1166292A publication Critical patent/FR1166292A/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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/044—Holweck-type pumps
    • 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
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • F16J15/406—Sealings between relatively-moving surfaces by means of fluid by at least one pump

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1166292D 1957-02-12 1957-02-12 Improvement in sealing devices along rotating shafts Expired FR1166292A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1166292T 1957-02-12

Publications (1)

Publication Number Publication Date
FR1166292A true FR1166292A (en) 1958-11-04

Family

ID=9654939

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1166292D Expired FR1166292A (en) 1957-02-12 1957-02-12 Improvement in sealing devices along rotating shafts

Country Status (1)

Country Link
FR (1) FR1166292A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1223642B (en) * 1961-02-09 1966-08-25 Commissariat Energie Atomique Shaft seal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1223642B (en) * 1961-02-09 1966-08-25 Commissariat Energie Atomique Shaft seal

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