GB342074A - Improvements in and relating to thermionic apparatus - Google Patents

Improvements in and relating to thermionic apparatus

Info

Publication number
GB342074A
GB342074A GB38029/29A GB3802929A GB342074A GB 342074 A GB342074 A GB 342074A GB 38029/29 A GB38029/29 A GB 38029/29A GB 3802929 A GB3802929 A GB 3802929A GB 342074 A GB342074 A GB 342074A
Authority
GB
United Kingdom
Prior art keywords
switch
air
tube
filament
anode
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
GB38029/29A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB342074A publication Critical patent/GB342074A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/24—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space

Landscapes

  • Physical Or Chemical Processes And Apparatus (AREA)
  • Resistance Heating (AREA)
  • Pipe Accessories (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Reciprocating Pumps (AREA)
GB38029/29A 1928-12-24 1929-12-11 Improvements in and relating to thermionic apparatus Expired GB342074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US328198A US1940319A (en) 1928-12-24 1928-12-24 Protective cooling system for thermionic apparatus

Publications (1)

Publication Number Publication Date
GB342074A true GB342074A (en) 1931-01-29

Family

ID=23279944

Family Applications (2)

Application Number Title Priority Date Filing Date
GB38029/29A Expired GB342074A (en) 1928-12-24 1929-12-11 Improvements in and relating to thermionic apparatus
GB38815/29A Expired GB333136A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1928-12-24 1929-12-18

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB38815/29A Expired GB333136A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1928-12-24 1929-12-18

Country Status (3)

Country Link
US (1) US1940319A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR687118A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (2) GB342074A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515302A (en) * 1947-08-27 1950-07-18 Air Reduction Apparatus for controlling relative movement between a gas torch and a workpiece
NL199145A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1954-07-27

Also Published As

Publication number Publication date
FR687118A (fr) 1930-08-05
GB333136A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1930-08-07
US1940319A (en) 1933-12-19

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