FR2171534A5 - - Google Patents

Info

Publication number
FR2171534A5
FR2171534A5 FR7203742A FR7203742A FR2171534A5 FR 2171534 A5 FR2171534 A5 FR 2171534A5 FR 7203742 A FR7203742 A FR 7203742A FR 7203742 A FR7203742 A FR 7203742A FR 2171534 A5 FR2171534 A5 FR 2171534A5
Authority
FR
France
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
FR7203742A
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.)
WALRAVE ETS
Original Assignee
WALRAVE ETS
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 WALRAVE ETS filed Critical WALRAVE ETS
Priority to FR7203742A priority Critical patent/FR2171534A5/fr
Application granted granted Critical
Publication of FR2171534A5 publication Critical patent/FR2171534A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/685—Devices for dosing the additives
    • C02F1/686—Devices for dosing liquid additives
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
FR7203742A 1972-02-04 1972-02-04 Expired FR2171534A5 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7203742A FR2171534A5 (fr) 1972-02-04 1972-02-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7203742A FR2171534A5 (fr) 1972-02-04 1972-02-04

Publications (1)

Publication Number Publication Date
FR2171534A5 true FR2171534A5 (fr) 1973-09-21

Family

ID=9092991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7203742A Expired FR2171534A5 (fr) 1972-02-04 1972-02-04

Country Status (1)

Country Link
FR (1) FR2171534A5 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0633225A1 (fr) * 1993-07-08 1995-01-11 Calgon Corporation Procédé de délivrance d'une quantité effective sélectionnée d'une composition granulaire antimicrobienne dans un système aqueux

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0633225A1 (fr) * 1993-07-08 1995-01-11 Calgon Corporation Procédé de délivrance d'une quantité effective sélectionnée d'une composition granulaire antimicrobienne dans un système aqueux

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Legal Events

Date Code Title Description
ST Notification of lapse