FR2109996A5 - - Google Patents

Info

Publication number
FR2109996A5
FR2109996A5 FR7136648A FR7136648A FR2109996A5 FR 2109996 A5 FR2109996 A5 FR 2109996A5 FR 7136648 A FR7136648 A FR 7136648A FR 7136648 A FR7136648 A FR 7136648A FR 2109996 A5 FR2109996 A5 FR 2109996A5
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
FR7136648A
Other languages
French (fr)
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.)
Transformatoren Union AG
Original Assignee
Transformatoren Union AG
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 Transformatoren Union AG filed Critical Transformatoren Union AG
Application granted granted Critical
Publication of FR2109996A5 publication Critical patent/FR2109996A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/72—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
    • G01F23/74—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means for sensing changes in level only at discrete points
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/55—Oil reservoirs or tanks; Lowering means therefor
    • H01H33/555—Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Level Indicators Using A Float (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Motor Or Generator Cooling System (AREA)
FR7136648A 1970-10-12 1971-10-12 Expired FR2109996A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2049972A DE2049972C3 (de) 1970-10-12 1970-10-12 Schutzgerat fur flussigkeitsge kühlte Transformatoren und Drosseln

Publications (1)

Publication Number Publication Date
FR2109996A5 true FR2109996A5 (de) 1972-05-26

Family

ID=5784835

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7136648A Expired FR2109996A5 (de) 1970-10-12 1971-10-12

Country Status (12)

Country Link
AT (2) AT306845B (de)
BE (1) BE773776A (de)
CH (1) CH524908A (de)
DE (1) DE2049972C3 (de)
DK (1) DK137152C (de)
ES (1) ES198544Y (de)
FI (1) FI55920C (de)
FR (1) FR2109996A5 (de)
GB (1) GB1346633A (de)
NL (1) NL166826C (de)
NO (1) NO128042B (de)
SE (1) SE369805B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458794A1 (de) * 1979-06-07 1981-01-02 Nissan Motor

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD207645A3 (de) * 1982-02-04 1984-03-07 Dietrich Kroll Stauklappe fuer schutzeinrichtungen
FR2684248B1 (fr) * 1991-11-22 1997-04-30 Pioch Sa Appareil electronique de mesure et de protection du fonctionnement du transformateur a huile.
DE102010008066B3 (de) * 2010-02-16 2011-03-31 Maschinenfabrik Reinhausen Gmbh Buchholzrelais
CN103620719B (zh) * 2011-06-22 2016-07-13 赖茵豪森机械制造公司 布克霍尔茨继电器
DE202011109908U1 (de) 2011-06-22 2012-06-28 Maschinenfabrik Reinhausen Gmbh Buchholzrelais
EP2688081B1 (de) * 2012-07-20 2015-11-04 ABB Technology AG Sicherheitsvorrichtung für einen Leistungswandler und zugehöriger Leistungswandler mit einer solchen Sicherheitsvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458794A1 (de) * 1979-06-07 1981-01-02 Nissan Motor

Also Published As

Publication number Publication date
BE773776A (fr) 1972-01-31
ES198544U (es) 1975-06-16
FI55920C (fi) 1979-10-10
DE2049972B2 (de) 1973-03-01
AT306845B (de) 1973-04-25
DE2049972C3 (de) 1973-09-13
SE369805B (de) 1974-09-16
DK137152C (da) 1978-06-19
NO128042B (de) 1973-09-17
DE2049972A1 (de) 1972-04-13
NL7113906A (de) 1972-04-14
DK137152B (da) 1978-01-23
NL166826C (nl) 1981-09-15
ES198544Y (es) 1975-11-16
GB1346633A (en) 1974-02-13
CH524908A (de) 1972-06-30
NL166826B (nl) 1981-04-15
AT314034B (de) 1974-03-11
FI55920B (fi) 1979-06-29

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Legal Events

Date Code Title Description
ST Notification of lapse