GB333136A - - Google Patents

Info

Publication number
GB333136A
GB333136A GB38815/29A GB3881529A GB333136A GB 333136 A GB333136 A GB 333136A GB 38815/29 A GB38815/29 A GB 38815/29A GB 3881529 A GB3881529 A GB 3881529A GB 333136 A GB333136 A GB 333136A
Authority
GB
United Kingdom
Prior art keywords
conduit
filament
envelope
contacts
directing
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
GB38815/29A
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 GB333136A publication Critical patent/GB333136A/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

  • Resistance Heating (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Pipe Accessories (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Reciprocating Pumps (AREA)
GB38815/29A 1928-12-24 1929-12-18 Expired GB333136A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
GB333136A true GB333136A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1930-08-07

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 Before (1)

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

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
GB342074A (en) 1931-01-29
FR687118A (fr) 1930-08-05
US1940319A (en) 1933-12-19

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