GB1049786A - Improvements relating to electrical vapour or gasfilled discharge devices - Google Patents

Improvements relating to electrical vapour or gasfilled discharge devices

Info

Publication number
GB1049786A
GB1049786A GB3228662A GB3228662A GB1049786A GB 1049786 A GB1049786 A GB 1049786A GB 3228662 A GB3228662 A GB 3228662A GB 3228662 A GB3228662 A GB 3228662A GB 1049786 A GB1049786 A GB 1049786A
Authority
GB
United Kingdom
Prior art keywords
discharge
azimuthal
field
vapour
axial
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
GB3228662A
Inventor
Alan Alfred Ware
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB3228662A priority Critical patent/GB1049786A/en
Publication of GB1049786A publication Critical patent/GB1049786A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/14—Magnetic means for controlling the discharge
    • 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
    • H01J13/04—Main electrodes; Auxiliary anodes
    • 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
    • H01J2893/0088—Tubes with at least a solid principal cathode and solid anodes
    • H01J2893/0089—Electrode systems

Landscapes

  • Measuring Fluid Pressure (AREA)

Abstract

1,049,786. Vapour discharge apparatus. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Aug. 21, 1963 [Aug. 22, 1962], No. 32286/62. Heading H1D. A low-pressure vapour or gas-filled electrical discharge device comprises an annular anode 6 and cathode 8 spaced apart along an annular gas or vapour filled discharge space 2, means for generating a first magnetic field 12 in an azimuthal direction, i.e. a direction rotationally around the cylinder, concentric with the tube walls 3 in the discharge space 2 to tend to oppose the discharge between cathode 8 and anode 6, means for generating a second magnetic field 10 in an axial direction along the discharge space 2 to tend to assist the discharge, and means to control the azimuthal and axial fields to render the tube conductive or non-conductive. As shown, the means for producing the azimuthal field 12 is a conductor 13, alternatively it may be a toroid. The means for providing the axial field 10 is cylindrical winding 11 encircling the envelope 3. The azimuthal field is applied continuously and the axial field is applied as a pulse for a switch application or cyclically for a rectifier application.
GB3228662A 1962-08-22 1962-08-22 Improvements relating to electrical vapour or gasfilled discharge devices Expired GB1049786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3228662A GB1049786A (en) 1962-08-22 1962-08-22 Improvements relating to electrical vapour or gasfilled discharge devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3228662A GB1049786A (en) 1962-08-22 1962-08-22 Improvements relating to electrical vapour or gasfilled discharge devices

Publications (1)

Publication Number Publication Date
GB1049786A true GB1049786A (en) 1966-11-30

Family

ID=10336248

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3228662A Expired GB1049786A (en) 1962-08-22 1962-08-22 Improvements relating to electrical vapour or gasfilled discharge devices

Country Status (1)

Country Link
GB (1) GB1049786A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0209963A2 (en) * 1985-07-16 1987-01-28 English Electric Valve Company Limited Improvement in or relating to ignitron devices

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0209963A2 (en) * 1985-07-16 1987-01-28 English Electric Valve Company Limited Improvement in or relating to ignitron devices
GB2178225A (en) * 1985-07-16 1987-02-04 English Electric Valve Co Ltd Ignitron
EP0209963A3 (en) * 1985-07-16 1988-11-23 English Electric Valve Company Limited Improvement in or relating to ignitron devices
US4833363A (en) * 1985-07-16 1989-05-23 English Electric Valve Company Limited Ignitron with arc-centering magnetic field
GB2178225B (en) * 1985-07-16 1990-01-24 English Electric Valve Co Ltd Improvements in or relating to ignitron devices

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