FR2396094A1 - Protection d'une structure jouant le role de cathode par courant applique - Google Patents

Protection d'une structure jouant le role de cathode par courant applique

Info

Publication number
FR2396094A1
FR2396094A1 FR7732004A FR7732004A FR2396094A1 FR 2396094 A1 FR2396094 A1 FR 2396094A1 FR 7732004 A FR7732004 A FR 7732004A FR 7732004 A FR7732004 A FR 7732004A FR 2396094 A1 FR2396094 A1 FR 2396094A1
Authority
FR
France
Prior art keywords
applied current
cathode
role
protection
structure playing
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.)
Granted
Application number
FR7732004A
Other languages
English (en)
Other versions
FR2396094B1 (fr
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.)
Hughes & Co
Original Assignee
Hughes & Co
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 Hughes & Co filed Critical Hughes & Co
Publication of FR2396094A1 publication Critical patent/FR2396094A1/fr
Application granted granted Critical
Publication of FR2396094B1 publication Critical patent/FR2396094B1/fr
Granted 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/14—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices
    • G05F1/147—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices with motor driven tap switch
    • G05F1/153—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices with motor driven tap switch controlled by discharge tubes or semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Organic Insulating Materials (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

La présente invention : a. Concerne la protection d'une structure jouant le rôle de cathode par courant appliqué; b. Est caractérisée par le fait qu'elle comprend un transformateur variable fonctionnant électro-mécaniquement pour commander le courant appliqué; et c. Est de fonctionnement sur, robuste et facile à réparer.
FR7732004A 1977-06-28 1977-10-19 Protection d'une structure jouant le role de cathode par courant applique Granted FR2396094A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB27009/77A GB1589739A (en) 1977-06-28 1977-06-28 Impressed current cathodic protection

Publications (2)

Publication Number Publication Date
FR2396094A1 true FR2396094A1 (fr) 1979-01-26
FR2396094B1 FR2396094B1 (fr) 1983-05-20

Family

ID=10252696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7732004A Granted FR2396094A1 (fr) 1977-06-28 1977-10-19 Protection d'une structure jouant le role de cathode par courant applique

Country Status (10)

Country Link
US (1) US4147608A (fr)
JP (1) JPS6011111B2 (fr)
AR (1) AR225399A1 (fr)
BR (1) BR7706869A (fr)
ES (1) ES463210A1 (fr)
FR (1) FR2396094A1 (fr)
GB (1) GB1589739A (fr)
IT (1) IT1087786B (fr)
NL (1) NL7710845A (fr)
NO (1) NO773332L (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561949A (en) * 1983-08-29 1985-12-31 Olin Corporation Apparatus and method for preventing activity loss from electrodes during shutdown
FR2589486B1 (fr) * 1985-07-23 1991-09-06 Gaz De France Dispositif de protection cathodique d'une structure par courant applique
GB2474084A (en) * 2009-10-13 2011-04-06 Aish Technologies Ltd Impressed current cathodic protection (ICCP)
US9803887B2 (en) 2013-06-24 2017-10-31 Rheem Manufacturing Company Cathodic corrosion and dry fire protection apparatus and methods for electric water heaters
US9484823B2 (en) * 2015-03-09 2016-11-01 Chicony Power Technology Co., Ltd. Power supply apparatus with extending hold up time function

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB826824A (en) * 1958-04-24 1960-01-20 Thesen Mathias Werft Improvements in or relating to device for the prevention of electrolytic corrosion on ships
GB873845A (en) * 1957-11-11 1961-07-26 Engelhard Ind Inc Automatic cathodic protection system
US2998371A (en) * 1958-05-09 1961-08-29 Bruce Dohrmann Control system
US3127337A (en) * 1958-12-01 1964-03-31 Anodic passivation system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1161738B (de) * 1958-12-19 1964-01-23 Rolland Clifford Sabins Anordnung zur automatischen Regelung des Fremdstromes in Anlagen zum kathodischen Korrosionsschutz
US3622489A (en) * 1968-09-25 1971-11-23 Institutual De Cercetari Si Pr Cathodic protection system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB873845A (en) * 1957-11-11 1961-07-26 Engelhard Ind Inc Automatic cathodic protection system
GB826824A (en) * 1958-04-24 1960-01-20 Thesen Mathias Werft Improvements in or relating to device for the prevention of electrolytic corrosion on ships
US2998371A (en) * 1958-05-09 1961-08-29 Bruce Dohrmann Control system
US3127337A (en) * 1958-12-01 1964-03-31 Anodic passivation system

Also Published As

Publication number Publication date
JPS5411038A (en) 1979-01-26
GB1589739A (en) 1981-05-20
IT1087786B (it) 1985-06-04
NL7710845A (nl) 1979-01-02
AR225399A1 (es) 1982-03-31
NO773332L (no) 1978-12-29
US4147608A (en) 1979-04-03
FR2396094B1 (fr) 1983-05-20
JPS6011111B2 (ja) 1985-03-23
BR7706869A (pt) 1979-05-22
ES463210A1 (es) 1978-07-16

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Legal Events

Date Code Title Description
ST Notification of lapse