NL70829C - - Google Patents

Info

Publication number
NL70829C
NL70829C NL70829DA NL70829C NL 70829 C NL70829 C NL 70829C NL 70829D A NL70829D A NL 70829DA NL 70829 C NL70829 C NL 70829C
Authority
NL
Netherlands
Application number
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.)
Publication date
Application granted granted Critical
Publication of NL70829C publication Critical patent/NL70829C/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • 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
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/404—Protective devices specially adapted for fluid filled transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
    • 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
    • Y10T137/2931—Diverse fluid containing pressure systems
    • Y10T137/3003—Fluid separating traps or vents
    • 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
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8342—Liquid level responsive indicator, recorder or alarm
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86187—Plural tanks or compartments connected for serial flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Magnetically Actuated Valves (AREA)
  • Testing Relating To Insulation (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
NL70829D 1949-09-07 NL70829C (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1024346X 1949-09-07
CH2616443X 1949-09-07
CH676397X 1949-09-07

Publications (1)

Publication Number Publication Date
NL70829C true NL70829C (ko) 1900-01-01

Family

ID=27178531

Family Applications (1)

Application Number Title Priority Date Filing Date
NL70829D NL70829C (ko) 1949-09-07

Country Status (6)

Country Link
US (1) US2616443A (ko)
BE (1) BE497948A (ko)
CH (1) CH275948A (ko)
DE (1) DE847934C (ko)
GB (1) GB676397A (ko)
NL (1) NL70829C (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3224250A (en) * 1957-12-26 1965-12-21 Aerojet General Co Gas liquid detector
US4887512A (en) * 1988-04-29 1989-12-19 Chrysler Motors Corporation Vent reservoir in a fluid system of an automatic transmission system
DE10305087B4 (de) * 2003-02-07 2005-05-04 Siemens Ag Verfahren und Vorrichtung zum Steuern eines Insassenschutzmittels in einem Fahrzeug
DE10361884B3 (de) * 2003-12-19 2005-08-11 Siemens Ag Vorrichtung und Verfahren zur Überwachung eines Gasvolumens in einer mit Flüssigkeit befüllten Anlage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US154513A (en) * 1874-08-25 Improvement in low-water indicators
GB189500066A (en) * 1895-01-01 1895-12-07 Edwin James White Improvements in Apparatus for Detecting and Indicating the Flow of Water in Pipes, and in Cocks Embodying such Apparatus.
US650647A (en) * 1899-12-15 1900-05-29 Delbert M Lowe Low-water alarm.
US1238608A (en) * 1916-06-08 1917-08-28 James A Whitton Valve-actuating mechanism.

Also Published As

Publication number Publication date
CH275948A (de) 1951-06-15
GB676397A (en) 1952-07-23
US2616443A (en) 1952-11-04
DE847934C (de) 1952-08-28
BE497948A (ko) 1900-01-01

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