FR1254532A - Pompe à diffusion perfectionnée pour ultra-vide - Google Patents

Pompe à diffusion perfectionnée pour ultra-vide

Info

Publication number
FR1254532A
FR1254532A FR815614A FR815614A FR1254532A FR 1254532 A FR1254532 A FR 1254532A FR 815614 A FR815614 A FR 815614A FR 815614 A FR815614 A FR 815614A FR 1254532 A FR1254532 A FR 1254532A
Authority
FR
France
Prior art keywords
ultra
vacuum
diffusion pump
advanced diffusion
advanced
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
FR815614A
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.)
BASSES PRESSIONS LAB DES
Original Assignee
BASSES PRESSIONS LAB DES
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 BASSES PRESSIONS LAB DES filed Critical BASSES PRESSIONS LAB DES
Priority to FR815614A priority Critical patent/FR1254532A/fr
Application granted granted Critical
Publication of FR1254532A publication Critical patent/FR1254532A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR815614A 1960-01-14 1960-01-14 Pompe à diffusion perfectionnée pour ultra-vide Expired FR1254532A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR815614A FR1254532A (fr) 1960-01-14 1960-01-14 Pompe à diffusion perfectionnée pour ultra-vide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR815614A FR1254532A (fr) 1960-01-14 1960-01-14 Pompe à diffusion perfectionnée pour ultra-vide

Publications (1)

Publication Number Publication Date
FR1254532A true FR1254532A (fr) 1961-02-24

Family

ID=8723787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815614A Expired FR1254532A (fr) 1960-01-14 1960-01-14 Pompe à diffusion perfectionnée pour ultra-vide

Country Status (1)

Country Link
FR (1) FR1254532A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3198209A (en) * 1961-11-29 1965-08-03 Leybold Holding A G Diffusion vacuum pump system apparatus
EP0791752A2 (fr) * 1996-02-19 1997-08-27 The BOC Group plc Pompe à diffusion

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3198209A (en) * 1961-11-29 1965-08-03 Leybold Holding A G Diffusion vacuum pump system apparatus
EP0791752A2 (fr) * 1996-02-19 1997-08-27 The BOC Group plc Pompe à diffusion
EP0791752A3 (fr) * 1996-02-19 1998-06-17 The BOC Group plc Pompe à diffusion
US5913662A (en) * 1996-02-19 1999-06-22 The Boc Group Plc Diffusion pump with two inlets and two stage pumping capability

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