FR1120321A - Dispositif de réglage de la conductivité de liquides - Google Patents

Dispositif de réglage de la conductivité de liquides

Info

Publication number
FR1120321A
FR1120321A FR1120321DA FR1120321A FR 1120321 A FR1120321 A FR 1120321A FR 1120321D A FR1120321D A FR 1120321DA FR 1120321 A FR1120321 A FR 1120321A
Authority
FR
France
Prior art keywords
adjustment device
liquid conductivity
conductivity adjustment
liquid
conductivity
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
George H Rendel
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.)
United States Steel Corp
Original Assignee
United States Steel Corp
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 United States Steel Corp filed Critical United States Steel Corp
Application granted granted Critical
Publication of FR1120321A publication Critical patent/FR1120321A/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2499—Mixture condition maintaining or sensing
    • Y10T137/2509—By optical or chemical property
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7306—Electrical characteristic sensing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
FR1120321D 1954-11-12 1955-03-04 Dispositif de réglage de la conductivité de liquides Expired FR1120321A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US468457A US2819726A (en) 1954-11-12 1954-11-12 Control system for regulating the conductivity of liquids

Publications (1)

Publication Number Publication Date
FR1120321A true FR1120321A (fr) 1956-07-04

Family

ID=23859892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1120321D Expired FR1120321A (fr) 1954-11-12 1955-03-04 Dispositif de réglage de la conductivité de liquides

Country Status (5)

Country Link
US (1) US2819726A (fr)
BE (1) BE536302A (fr)
DE (1) DE966811C (fr)
FR (1) FR1120321A (fr)
GB (1) GB796814A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331835A1 (fr) * 1975-11-14 1977-06-10 Sandoz Sa Appareil de preparation automatique d'une solution de concentration en sels predeterminee

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273580A (en) * 1966-09-20 Solution concentration control and make-up system
US3163173A (en) * 1960-10-31 1964-12-29 Phillips Petroleum Co Automatic chemical injection control
US3195551A (en) * 1960-12-19 1965-07-20 Brogdex Co Method and apparatus for the measurement and control of acidity of solutions
US3256901A (en) * 1961-10-23 1966-06-21 Phillips Petroleum Co Automatic chemical injection control
US3062223A (en) * 1962-02-15 1962-11-06 Leonard E Malin Apparatus for controlling pickling baths
US3162207A (en) * 1962-04-03 1964-12-22 Chemical Corp Method of controlling chromate conversion coating baths
US3383904A (en) * 1962-06-25 1968-05-21 Ethyl Corp Automatic antiknock rating and adjustment apparatus
US3292650A (en) * 1963-10-01 1966-12-20 Wright Chem Corp Water treatment and make-up control system
US3438071A (en) * 1967-07-27 1969-04-15 Tee Pak Inc Dyeing of cellulose casing
US3658676A (en) * 1970-05-13 1972-04-25 Sherwin Williams Co Monitoring apparatus and process for controlling composition of aqueous electrodeposition paint baths
US4360323A (en) * 1976-11-19 1982-11-23 Halbert Fischel Proportioning pumping system for dialysis machines
US4064706A (en) * 1977-03-03 1977-12-27 Stephens Jr Raymond E Evaporative roof cooling system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1319734A (en) * 1919-10-28 Frederick w
US1558060A (en) * 1924-08-01 1925-10-20 Lawrence A Stead Acid-circulating system for mercerizing yarn
US2176471A (en) * 1936-03-13 1939-10-17 California Packing Corp Controlling apparatus
US2377363A (en) * 1941-07-28 1945-06-05 Sidney G Noble Solution concentration control system
US2560854A (en) * 1942-06-30 1951-07-17 Ferrand Louis Apparatus for the continuous operation of cells for the electrolysis of molten salts
US2492174A (en) * 1944-09-29 1949-12-27 Elizabeth A Noble Solution concentration control system
US2468791A (en) * 1945-06-30 1949-05-03 Photoswitch Inc Conductivity control
US2586169A (en) * 1947-08-04 1952-02-19 Patent Man Inc Apparatus for controlling and measuring the concentration of solutions
US2593825A (en) * 1948-09-29 1952-04-22 Hall Lab Inc Conductivity controlled dispenser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331835A1 (fr) * 1975-11-14 1977-06-10 Sandoz Sa Appareil de preparation automatique d'une solution de concentration en sels predeterminee

Also Published As

Publication number Publication date
GB796814A (en) 1958-06-18
US2819726A (en) 1958-01-14
DE966811C (de) 1957-09-12
BE536302A (fr) 1955-03-31

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