FR442303A - Hydrotimètre auto-doseur électrique - Google Patents

Hydrotimètre auto-doseur électrique

Info

Publication number
FR442303A
FR442303A FR442303DA FR442303A FR 442303 A FR442303 A FR 442303A FR 442303D A FR442303D A FR 442303DA FR 442303 A FR442303 A FR 442303A
Authority
FR
France
Prior art keywords
hydrotimeter
self
dosing
electric
dosing electric
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
Other languages
English (en)
Inventor
Arthur Bomsel
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.)
ARTHUR BOMSEL
Original Assignee
ARTHUR BOMSEL
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 ARTHUR BOMSEL filed Critical ARTHUR BOMSEL
Application granted granted Critical
Publication of FR442303A publication Critical patent/FR442303A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • 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

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)
FR442303D 1911-04-07 1912-04-06 Hydrotimètre auto-doseur électrique Expired FR442303A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE442303X 1911-04-07

Publications (1)

Publication Number Publication Date
FR442303A true FR442303A (fr) 1912-08-29

Family

ID=1483479

Family Applications (1)

Application Number Title Priority Date Filing Date
FR442303D Expired FR442303A (fr) 1911-04-07 1912-04-06 Hydrotimètre auto-doseur électrique

Country Status (1)

Country Link
FR (1) FR442303A (fr)

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