GB203702A - Improved process and apparatus for the automatic operation of the air-exhausting apparatus in mercury vapour rectifiers - Google Patents

Improved process and apparatus for the automatic operation of the air-exhausting apparatus in mercury vapour rectifiers

Info

Publication number
GB203702A
GB203702A GB2247223A GB2247223A GB203702A GB 203702 A GB203702 A GB 203702A GB 2247223 A GB2247223 A GB 2247223A GB 2247223 A GB2247223 A GB 2247223A GB 203702 A GB203702 A GB 203702A
Authority
GB
United Kingdom
Prior art keywords
vacuum
circuit
pump
relay
winding
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
GB2247223A
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.)
BBC Brown Boveri AG Germany
BBC Brown Boveri France SA
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri France SA
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 Brown Boveri und Cie AG Germany, BBC Brown Boveri France SA filed Critical Brown Boveri und Cie AG Germany
Publication of GB203702A publication Critical patent/GB203702A/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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps
    • F04F9/08—Control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02—Details
    • H01J13/28—Selection of substances for gas filling; Means for obtaining the desired pressure within the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0072—Disassembly or repair of discharge tubes
    • H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
    • H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
    • H01J2893/0086—Gas fill; Maintaining or maintaining desired pressure; Producing, introducing or replenishing gas or vapour during operation of the tube; Getters; Gas cleaning; Electrode cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Treating Waste Gases (AREA)
GB2247223A 1922-09-09 1923-09-06 Improved process and apparatus for the automatic operation of the air-exhausting apparatus in mercury vapour rectifiers Expired GB203702A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA38446D DE442834C (de) 1922-09-09 1922-09-09 Verfahren zum selbsttaetigen Betrieb der Entlueftungseinrichtung von Quecksilberdampfgleichrichtern

Publications (1)

Publication Number Publication Date
GB203702A true GB203702A (en) 1924-01-10

Family

ID=6930805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2247223A Expired GB203702A (en) 1922-09-09 1923-09-06 Improved process and apparatus for the automatic operation of the air-exhausting apparatus in mercury vapour rectifiers

Country Status (3)

Country Link
AT (1) AT101168B (de)
DE (1) DE442834C (de)
GB (1) GB203702A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2652188A (en) * 1948-07-08 1953-09-15 Cyr Rob Roy Automatic tank pump down
US3007624A (en) * 1958-05-23 1961-11-07 Philips Corp Automatic switching arrangement for vacuum pumps

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1076318B (de) * 1955-06-03 1960-02-25 Heraeus Gmbh W C Diffusionspumpe, insbesondere fuer fraktionierenden Betrieb mit organischen Treibmitteln
DE1032879B (de) * 1955-07-04 1958-06-26 Edwards High Vacuum Ltd Vakuumpumpensystem
DE1045041B (de) * 1955-12-29 1958-11-27 Galileo Societa Per Azioni Off Vakuumpumpe
DE1035314B (de) * 1956-04-06 1958-07-31 Siemens Ag Diffusionspumpe mit regelbarer Sauggeschwindigkeit
LU36278A1 (de) * 1957-07-26
DE1076880B (de) * 1958-08-27 1960-03-03 Siemens Ag Sicherungseinrichtung fuer elektrisch betriebene Hochvakuumpumpenanlagen, insbesondere fuer Elektronenmikroskope
BRPI0807850A8 (pt) 2007-01-30 2018-02-06 Firestone Building Products Llc Painéis de construção e painéis compostos de poliuretano e poliisocianurato de alta densidade

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2652188A (en) * 1948-07-08 1953-09-15 Cyr Rob Roy Automatic tank pump down
US3007624A (en) * 1958-05-23 1961-11-07 Philips Corp Automatic switching arrangement for vacuum pumps

Also Published As

Publication number Publication date
AT101168B (de) 1925-10-10
DE442834C (de) 1927-04-08

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