FR1080493A - Pompe à diffusion à vide élevé - Google Patents

Pompe à diffusion à vide élevé

Info

Publication number
FR1080493A
FR1080493A FR1080493DA FR1080493A FR 1080493 A FR1080493 A FR 1080493A FR 1080493D A FR1080493D A FR 1080493DA FR 1080493 A FR1080493 A FR 1080493A
Authority
FR
France
Prior art keywords
high vacuum
diffusion pump
vacuum diffusion
pump
vacuum
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
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of FR1080493A publication Critical patent/FR1080493A/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)
FR1080493D 1951-11-30 1952-11-29 Pompe à diffusion à vide élevé Expired FR1080493A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1080493XA 1951-11-30 1951-11-30

Publications (1)

Publication Number Publication Date
FR1080493A true FR1080493A (fr) 1954-12-09

Family

ID=22319984

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1080493D Expired FR1080493A (fr) 1951-11-30 1952-11-29 Pompe à diffusion à vide élevé

Country Status (1)

Country Link
FR (1) FR1080493A (fr)

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