GB669675A - Improvements relating to apparatus for the electrolytic prevention of corrosion of metallic underground structures - Google Patents

Improvements relating to apparatus for the electrolytic prevention of corrosion of metallic underground structures

Info

Publication number
GB669675A
GB669675A GB2818249A GB2818249A GB669675A GB 669675 A GB669675 A GB 669675A GB 2818249 A GB2818249 A GB 2818249A GB 2818249 A GB2818249 A GB 2818249A GB 669675 A GB669675 A GB 669675A
Authority
GB
United Kingdom
Prior art keywords
transformer
reactor
electrolytic
corrosion
prevention
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
GB2818249A
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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal 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
Priority to NL74280D priority Critical patent/NL74280C/xx
Priority to NL6811205.A priority patent/NL156560B/xx
Application filed by Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Priority to GB2818249A priority patent/GB669675A/en
Priority to DEW4252A priority patent/DE843638C/de
Priority to FR1026243D priority patent/FR1026243A/fr
Publication of GB669675A publication Critical patent/GB669675A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/04—Controlling or regulating desired parameters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Prevention Of Electric Corrosion (AREA)
GB2818249A 1949-11-03 1949-11-03 Improvements relating to apparatus for the electrolytic prevention of corrosion of metallic underground structures Expired GB669675A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL74280D NL74280C (en, 2012) 1949-11-03
NL6811205.A NL156560B (nl) 1949-11-03 Quaternair communicatiestelsel met differentiele fasemodulatie.
GB2818249A GB669675A (en) 1949-11-03 1949-11-03 Improvements relating to apparatus for the electrolytic prevention of corrosion of metallic underground structures
DEW4252A DE843638C (de) 1949-11-03 1950-10-06 Einrichtung zum Schutz von in der Erde verlegten metallischen Bauteilen gegen elektrolytische Korrosion
FR1026243D FR1026243A (fr) 1949-11-03 1950-10-17 Appareil pour empêcher par voie électrolytique la corrosion d'objets métalliques enterrés comme les canalisations d'huile de pétrole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2818249A GB669675A (en) 1949-11-03 1949-11-03 Improvements relating to apparatus for the electrolytic prevention of corrosion of metallic underground structures

Publications (1)

Publication Number Publication Date
GB669675A true GB669675A (en) 1952-04-09

Family

ID=10271574

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2818249A Expired GB669675A (en) 1949-11-03 1949-11-03 Improvements relating to apparatus for the electrolytic prevention of corrosion of metallic underground structures

Country Status (4)

Country Link
DE (1) DE843638C (en, 2012)
FR (1) FR1026243A (en, 2012)
GB (1) GB669675A (en, 2012)
NL (2) NL156560B (en, 2012)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2963413A (en) * 1959-01-12 1960-12-06 Rolland C Sabins Electrolytic system
US2987461A (en) * 1958-12-19 1961-06-06 Rolland C Sabins Control system and method
US2998371A (en) * 1958-05-09 1961-08-29 Bruce Dohrmann Control system
US3004905A (en) * 1959-02-09 1961-10-17 Rolland C Sabins Cathodic protection system
US3055813A (en) * 1958-11-17 1962-09-25 Pure Oil Co Current controller for use in cathodic protection of steel structures
US3113093A (en) * 1959-02-03 1963-12-03 Engelhard Ind Inc Cathodic protection system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132407B (de) * 1955-09-19 1962-06-28 Quante Wilhelm Schaltungsanordnung zum kathodischen Schutz metallischer Bauteile in der Erde oder im Wasser

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998371A (en) * 1958-05-09 1961-08-29 Bruce Dohrmann Control system
US3055813A (en) * 1958-11-17 1962-09-25 Pure Oil Co Current controller for use in cathodic protection of steel structures
US2987461A (en) * 1958-12-19 1961-06-06 Rolland C Sabins Control system and method
US2963413A (en) * 1959-01-12 1960-12-06 Rolland C Sabins Electrolytic system
US3113093A (en) * 1959-02-03 1963-12-03 Engelhard Ind Inc Cathodic protection system
US3004905A (en) * 1959-02-09 1961-10-17 Rolland C Sabins Cathodic protection system

Also Published As

Publication number Publication date
FR1026243A (fr) 1953-04-24
DE843638C (de) 1952-07-10
NL156560B (nl)
NL74280C (en, 2012)

Similar Documents

Publication Publication Date Title
GB669675A (en) Improvements relating to apparatus for the electrolytic prevention of corrosion of metallic underground structures
ES406425A1 (es) Dispositivo de rele estatico protector de red.
JPS5346652A (en) Protection circuit for switching regulator
SU94053A1 (ru) Дифференциальна защита напорных трубопроводов
GB1195247A (en) Apparatus for the Protection of Transmitting Valves
GB488914A (en) Improvements in underground pipe lines
GB614768A (en) Improvements to electrolytic corrosion control systems
JPS5269036A (en) Controller of inductive heating
GB507052A (en) Improvements in or relating to the electrical treatment of water for the purpose of preventing the formation of scale
GB488517A (en) Improvements in or relating to devices for the audible detection of high frequency currents
GB424769A (en) Improvements in indicating and recording apparatus
JPS5320525A (en) Compensating unit for dc field distortion of transformer
GB1361197A (en) Power transmission systems
GB531817A (en) An improved device for protecting alternating current apparatus against overload andunbalance
JPS5490526A (en) Ac power unit
JPS549719A (en) Single-phase transformer
JPS5258841A (en) Failure detector in grounded-type potential transformer
JPS5240730A (en) Control rectifier device
JPS5348005A (en) Cooling box for furnace wall
JPS5412406A (en) Overcurrent protection system for multi-output converter
GB547804A (en) Improvements in or relating to automatic voltage regulating systems
JPS549753A (en) Transformer protective relay system
JPS5228652A (en) Protective relay for power system
GB374445A (en) Improvements in and relating to electric discharge device systems
JPS54101125A (en) Parallel closing transformer with ac-dc changeover tap