FR74177E - Perfectionnement aux dispositifs d'étanchéité le long d'arbres rotatifs - Google Patents

Perfectionnement aux dispositifs d'étanchéité le long d'arbres rotatifs

Info

Publication number
FR74177E
FR74177E FR774541A FR774541A FR74177E FR 74177 E FR74177 E FR 74177E FR 774541 A FR774541 A FR 774541A FR 774541 A FR774541 A FR 774541A FR 74177 E FR74177 E FR 74177E
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
FR774541A
Other languages
English (en)
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
Priority to FR774541A priority Critical patent/FR74177E/fr
Application granted granted Critical
Publication of FR74177E publication Critical patent/FR74177E/fr
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
    • F16J15/16—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR774541A 1958-09-15 1958-09-15 Perfectionnement aux dispositifs d'étanchéité le long d'arbres rotatifs Expired FR74177E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR774541A FR74177E (fr) 1958-09-15 1958-09-15 Perfectionnement aux dispositifs d'étanchéité le long d'arbres rotatifs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR774541A FR74177E (fr) 1958-09-15 1958-09-15 Perfectionnement aux dispositifs d'étanchéité le long d'arbres rotatifs

Publications (1)

Publication Number Publication Date
FR74177E true FR74177E (fr) 1960-11-07

Family

ID=8707475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774541A Expired FR74177E (fr) 1958-09-15 1958-09-15 Perfectionnement aux dispositifs d'étanchéité le long d'arbres rotatifs

Country Status (1)

Country Link
FR (1) FR74177E (fr)

Cited By (1)

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

Cited By (1)

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

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