CH284513A - Device for precisely maintaining the passage of the current half-wave in welding machines controlled by means of ignitrons. - Google Patents

Device for precisely maintaining the passage of the current half-wave in welding machines controlled by means of ignitrons.

Info

Publication number
CH284513A
CH284513A CH284513DA CH284513A CH 284513 A CH284513 A CH 284513A CH 284513D A CH284513D A CH 284513DA CH 284513 A CH284513 A CH 284513A
Authority
CH
Switzerland
Prior art keywords
ignitrons
wave
passage
welding machines
current half
Prior art date
Application number
Other languages
German (de)
Inventor
Cie Aktiengesellschaft Boveri
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CH284513A publication Critical patent/CH284513A/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Arc Welding Control (AREA)
CH284513D 1950-10-17 1950-10-17 Device for precisely maintaining the passage of the current half-wave in welding machines controlled by means of ignitrons. CH284513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH971767X 1950-10-17

Publications (1)

Publication Number Publication Date
CH284513A true CH284513A (en) 1952-07-31

Family

ID=4551015

Family Applications (1)

Application Number Title Priority Date Filing Date
CH284513D CH284513A (en) 1950-10-17 1950-10-17 Device for precisely maintaining the passage of the current half-wave in welding machines controlled by means of ignitrons.

Country Status (2)

Country Link
CH (1) CH284513A (en)
DE (1) DE971767C (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR863046A (en) * 1939-01-26 1941-03-21 Thomson Houston Comp Francaise Improvements to discharge device circuits
FR878429A (en) * 1941-01-22 1943-01-20 Licentia Gmbh Device for the exact phasing of single-phase consumers by means of discharge vessels controlled by a starting rod
DE765698C (en) * 1941-01-23 1952-09-15 Aeg Arrangement for in-phase switching on single-phase AC consumers by means of spark plug-controlled discharge vessels
DE741925C (en) * 1941-08-01 1943-11-19 Aeg Resistance welding machine with a pressure-dependent organ that is influenced by the electrode pressure and determines the start and end of the current flow through the welding point
US2512482A (en) * 1946-07-06 1950-06-20 Weltronic Co Electrical control apparatus
US2510652A (en) * 1948-09-30 1950-06-06 Westinghouse Electric Corp Single-phase low-frequency control for welding

Also Published As

Publication number Publication date
DE971767C (en) 1959-03-26

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