FR456493A - Pompe à vide - Google Patents

Pompe à vide

Info

Publication number
FR456493A
FR456493A FR456493DA FR456493A FR 456493 A FR456493 A FR 456493A FR 456493D A FR456493D A FR 456493DA FR 456493 A FR456493 A FR 456493A
Authority
FR
France
Prior art keywords
vacuum pump
vacuum
pump
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)
Inventor
Adrien-Alexandre Oullie
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.)
ADRIEN ALEXANDRE OULLIE
Original Assignee
ADRIEN ALEXANDRE OULLIE
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 ADRIEN ALEXANDRE OULLIE filed Critical ADRIEN ALEXANDRE OULLIE
Application granted granted Critical
Publication of FR456493A publication Critical patent/FR456493A/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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
    • F04B37/16—Means for nullifying unswept space

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR456493D 1912-06-19 1912-06-19 Pompe à vide Expired FR456493A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR456493T 1912-06-19

Publications (1)

Publication Number Publication Date
FR456493A true FR456493A (fr) 1913-08-27

Family

ID=1496281

Family Applications (1)

Application Number Title Priority Date Filing Date
FR456493D Expired FR456493A (fr) 1912-06-19 1912-06-19 Pompe à vide

Country Status (1)

Country Link
FR (1) FR456493A (fr)

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