FR834938A - Improvements to processes and apparatus for high vacuum production - Google Patents

Improvements to processes and apparatus for high vacuum production

Info

Publication number
FR834938A
FR834938A FR834938DA FR834938A FR 834938 A FR834938 A FR 834938A FR 834938D A FR834938D A FR 834938DA FR 834938 A FR834938 A FR 834938A
Authority
FR
France
Prior art keywords
processes
high vacuum
vacuum production
production
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
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.)
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 FR834938A publication Critical patent/FR834938A/en
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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/168—Pumps specially adapted to produce a vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR834938D 1936-07-06 1937-07-06 Improvements to processes and apparatus for high vacuum production Expired FR834938A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB834938X 1936-07-06

Publications (1)

Publication Number Publication Date
FR834938A true FR834938A (en) 1938-12-06

Family

ID=10554099

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834938D Expired FR834938A (en) 1936-07-06 1937-07-06 Improvements to processes and apparatus for high vacuum production

Country Status (1)

Country Link
FR (1) FR834938A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1046249B (en) * 1956-04-05 1958-12-11 Dr Gerhard Fricke Method and device for generating a high vacuum
DE1061951B (en) * 1955-09-27 1959-07-23 Vickers Electrical Co Ltd Vacuum pump
DE1076879B (en) * 1957-06-27 1960-03-03 Vakutronik Veb Ion getter pump
DE1081183B (en) * 1958-10-08 1960-05-05 Siemens Edison Swan Ltd Method and device for generating a high vacuum with the aid of a getter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1061951B (en) * 1955-09-27 1959-07-23 Vickers Electrical Co Ltd Vacuum pump
DE1046249B (en) * 1956-04-05 1958-12-11 Dr Gerhard Fricke Method and device for generating a high vacuum
DE1076879B (en) * 1957-06-27 1960-03-03 Vakutronik Veb Ion getter pump
DE1081183B (en) * 1958-10-08 1960-05-05 Siemens Edison Swan Ltd Method and device for generating a high vacuum with the aid of a getter

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