NL45601C - - Google Patents

Info

Publication number
NL45601C
NL45601C NL45601DA NL45601C NL 45601 C NL45601 C NL 45601C NL 45601D A NL45601D A NL 45601DA NL 45601 C NL45601 C NL 45601C
Authority
NL
Netherlands
Application number
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.)
Publication of NL45601C publication Critical patent/NL45601C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/38Exhausting, degassing, filling, or cleaning vessels
    • H01J9/385Exhausting vessels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08Centrifugal pumps
    • F04D17/16Centrifugal pumps for displacing without appreciable compression
    • F04D17/168Pumps specially adapted to produce a vacuum
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/12Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
NL45601D 1936-07-06 NL45601C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18762/36A GB482884A (en) 1936-07-06 1936-07-06 Improved process and apparatus for producing high vacuum

Publications (1)

Publication Number Publication Date
NL45601C true NL45601C (en:Method)

Family

ID=10117956

Family Applications (1)

Application Number Title Priority Date Filing Date
NL45601D NL45601C (en:Method) 1936-07-06

Country Status (3)

Country Link
US (1) US2160863A (en:Method)
GB (1) GB482884A (en:Method)
NL (1) NL45601C (en:Method)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2636664A (en) * 1949-01-28 1953-04-28 Hertzler Elmer Afton High vacuum pumping method, apparatus, and techniques
US2757840A (en) * 1952-07-18 1956-08-07 Leitz Ernst Gmbh Method of and apparatus for evacuating vessels
US2808980A (en) * 1953-09-23 1957-10-08 Westinghouse Electric Corp Electrical vacuum pump
DE1046249B (de) * 1956-04-05 1958-12-11 Dr Gerhard Fricke Verfahren und Vorrichtung zur Erzeugung eines hohen Vakuums
US3210915A (en) * 1961-03-29 1965-10-12 Bendix Balzers Vacuum Inc Sorption pump for pumping off gases and vapors
JPS6419198A (en) * 1987-07-15 1989-01-23 Hitachi Ltd Vacuum pump
CN116318133B (zh) * 2023-03-07 2025-08-01 中国科学院上海天文台 一种具有加热吸附泵的氢原子频标

Also Published As

Publication number Publication date
GB482884A (en) 1938-04-06
US2160863A (en) 1939-06-06

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