FR496236A - Perfectionnements aux fréquencemètres - Google Patents

Perfectionnements aux fréquencemètres

Info

Publication number
FR496236A
FR496236A FR496236A FR496236DA FR496236A FR 496236 A FR496236 A FR 496236A FR 496236 A FR496236 A FR 496236A FR 496236D A FR496236D A FR 496236DA FR 496236 A FR496236 A FR 496236A
Authority
FR
France
Prior art keywords
frequency meters
meters
frequency
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
FR496236A
Other languages
English (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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR496236A publication Critical patent/FR496236A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2427—The feed or discharge opening located at a distant position from the side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2433—Discharge mechanisms for floating particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2444—Discharge mechanisms for the classified liquid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Physical Water Treatments (AREA)
  • Removal Of Floating Material (AREA)
FR496236A 1917-02-19 1918-02-18 Perfectionnements aux fréquencemètres Expired FR496236A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US496236XA 1936-05-28 1936-05-28

Publications (1)

Publication Number Publication Date
FR496236A true FR496236A (fr) 1919-10-30

Family

ID=21960800

Family Applications (1)

Application Number Title Priority Date Filing Date
FR496236A Expired FR496236A (fr) 1917-02-19 1918-02-18 Perfectionnements aux fréquencemètres

Country Status (2)

Country Link
FR (1) FR496236A (fr)
GB (1) GB496236A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0063697A1 (fr) * 1981-04-02 1982-11-03 Gebr. Bellmer GmbH & Co. KG Dispositif à installer dans des réservoirs de clarification
DE8713661U1 (de) * 1987-10-12 1988-01-07 Passavant-Werke AG, 6209 Aarbergen Sedimentationsbehälter für die Wasser- und Abwasserreinigung
US4994187A (en) * 1988-08-17 1991-02-19 Richard Totzke Mashinen- Und Apparatebaue Gmbh Apparatus for removing sewage sludge from the bottom or the surface in a settling basin
DE3834891A1 (de) * 1988-08-17 1990-05-10 Totzke Richard Masch Saugraeumer fuer rundklaerbecken
GB2273446A (en) * 1992-12-18 1994-06-22 Interlink Equipment Limited Settling tank with rotary scrapers
RU2304013C1 (ru) * 2005-12-19 2007-08-10 Ирина Павловна Некрасова Радиальный отстойник

Also Published As

Publication number Publication date
GB496236A (en) 1938-11-28

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