FR2310972B3 - - Google Patents

Info

Publication number
FR2310972B3
FR2310972B3 FR7617518A FR7617518A FR2310972B3 FR 2310972 B3 FR2310972 B3 FR 2310972B3 FR 7617518 A FR7617518 A FR 7617518A FR 7617518 A FR7617518 A FR 7617518A FR 2310972 B3 FR2310972 B3 FR 2310972B3
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
FR7617518A
Other languages
French (fr)
Other versions
FR2310972A1 (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.)
Grohe Water Technology AG and Co KG
Original Assignee
Friedrich Grohe Armaturenfabrik GmbH and 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 Friedrich Grohe Armaturenfabrik GmbH and Co filed Critical Friedrich Grohe Armaturenfabrik GmbH and Co
Publication of FR2310972A1 publication Critical patent/FR2310972A1/en
Application granted granted Critical
Publication of FR2310972B3 publication Critical patent/FR2310972B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/14—Controlling or regulating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
FR7617518A 1975-06-14 1976-06-10 Water hardness sensor for water softening plant - with tandem pairs of electrodes supplied with high frequency voltage Granted FR2310972A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752526665 DE2526665A1 (en) 1975-06-14 1975-06-14 ELECTRIC WATER RESISTANCE SENSOR FOR WATER SOFTENER

Publications (2)

Publication Number Publication Date
FR2310972A1 FR2310972A1 (en) 1976-12-10
FR2310972B3 true FR2310972B3 (en) 1979-03-02

Family

ID=5949128

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7617518A Granted FR2310972A1 (en) 1975-06-14 1976-06-10 Water hardness sensor for water softening plant - with tandem pairs of electrodes supplied with high frequency voltage

Country Status (3)

Country Link
BE (1) BE842908A (en)
DE (1) DE2526665A1 (en)
FR (1) FR2310972A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4847598A (en) * 1987-11-27 1989-07-11 Aqua-Tronics, Inc. Water treatment regeneration system incorporating alternating current excitation and paired operational amplifiers with asymmetrical feedback elements

Also Published As

Publication number Publication date
FR2310972A1 (en) 1976-12-10
DE2526665A1 (en) 1976-12-16
BE842908A (en) 1976-12-14

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Legal Events

Date Code Title Description
ST Notification of lapse