FR1050023A - Improvements in the protection of electrical devices - Google Patents

Improvements in the protection of electrical devices

Info

Publication number
FR1050023A
FR1050023A FR1050023DA FR1050023A FR 1050023 A FR1050023 A FR 1050023A FR 1050023D A FR1050023D A FR 1050023DA FR 1050023 A FR1050023 A FR 1050023A
Authority
FR
France
Prior art keywords
protection
electrical devices
electrical
devices
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
French (fr)
Inventor
Andre Latour
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin 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 Merlin Gerin SA filed Critical Merlin Gerin SA
Application granted granted Critical
Publication of FR1050023A publication Critical patent/FR1050023A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0038—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S174/00—Electricity: conductors and insulators
    • Y10S174/01—Anti-tracking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Fuses (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
FR1050023D 1951-03-28 1952-01-31 Improvements in the protection of electrical devices Expired FR1050023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE716998X 1951-03-28

Publications (1)

Publication Number Publication Date
FR1050023A true FR1050023A (en) 1954-01-05

Family

ID=3878788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1050023D Expired FR1050023A (en) 1951-03-28 1952-01-31 Improvements in the protection of electrical devices

Country Status (5)

Country Link
US (1) US2772334A (en)
BE (1) BE502180A (en)
DE (1) DE977206C (en)
FR (1) FR1050023A (en)
GB (1) GB716998A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2576721A1 (en) * 1985-01-30 1986-08-01 Centre Nat Rech Scient Circuit breaker cut-off chamber wall and circuit breaker cut-off chamber provided with such a wall

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3071666A (en) * 1959-04-09 1963-01-01 Westinghouse Electric Corp Circuit interrupters
US3151273A (en) * 1961-12-27 1964-09-29 Gen Electric Current limiting lightning arrester with porous gap structure
US3354345A (en) * 1964-07-06 1967-11-21 Gen Electric Lightning arrester spark gap having arc-confining chamber walls of graded porosity
FR1553672A (en) * 1966-05-04 1969-01-17
US3735074A (en) * 1971-07-14 1973-05-22 Gen Electric Arc chute for an electric circuit breaker
US3838375A (en) * 1973-01-29 1974-09-24 Gen Electric Current limiting fuse
US4210774A (en) * 1977-06-16 1980-07-01 Electric Power Research Institute, Inc. Filled polymer electrical insulator
DE19517540A1 (en) * 1995-05-12 1996-11-14 Abb Research Ltd Extinguishing gas releasing material and pressure gas switch with such a material
US5670926A (en) * 1995-06-08 1997-09-23 General Electric Company High-voltage fuse having a core of bound silica sand about which fusible elements are wound
US6642833B2 (en) 2001-01-26 2003-11-04 General Electric Company High-voltage current-limiting fuse
US9911566B2 (en) * 2013-10-18 2018-03-06 Littelfuse, Inc. Foam fuse filler and cartridge fuse

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68409C (en) * J. F. fischer und C. A. F. O. PETERS in Worms a. Rh Process for the production of alkali and acid-resistant liquid filters
GB591551A (en) * 1945-02-07 1947-08-21 Mycalex Corp Of America Improvements in or relating to electrical insulating compositions
US1713580A (en) * 1929-05-21 of dayton
US883366A (en) * 1907-11-21 1908-03-31 Arthur L White Electric switch.
US1014098A (en) * 1908-05-05 1912-01-09 Sachs Company Thermal cut-out.
US1016443A (en) * 1911-12-08 1912-02-06 Sachs Company Jacket for safety-fuses.
DE425862C (en) * 1924-09-06 1926-02-25 Ernst Moyat Process for the production of highly refractory fittings
DE487018C (en) * 1926-11-19 1929-11-29 Const Electr De Delle Sa Atel Spark chimney for electrical switches
US1812376A (en) * 1927-07-26 1931-06-30 Donald W Ross Refractory heat insulating material
GB385328A (en) * 1930-06-19 1932-12-19 Norton Co Improvements in articles of bonded granular material and methods of making the same
DE594815C (en) * 1930-10-14 1934-03-22 Aeg Electrical insulating material
US2165819A (en) * 1934-06-05 1939-07-11 Steatit Magnesia Ag Electric insulator and method of making same
DE713856C (en) * 1935-02-17 1941-11-17 Frida Strauss Geb Ruppel Electric circuit breaker
US2119400A (en) * 1935-06-04 1938-05-31 Gen Electric Insulating band for electrical machines and apparatus
US2303964A (en) * 1937-04-20 1942-12-01 Ungewiss Alfred Porous ceramic insulating material
US2223959A (en) * 1937-05-04 1940-12-03 Gen Electric Current limiting fuse
DE734174C (en) * 1937-05-06 1943-04-09 Aeg Electric gas switch
US2206557A (en) * 1937-07-08 1940-07-02 Willard H Bennett Process for making insulating materials
US2200125A (en) * 1938-04-14 1940-05-07 Westinghouse Electric & Mfg Co Electrical contact means
DE915956C (en) * 1941-02-27 1954-08-02 Aeg Electric circuit breaker, in particular hard gas switch
DE734385C (en) * 1941-04-23 1943-04-14 Telefunken Gmbh Process for the production of a ceramic mass that does not shrink during firing
CH247847A (en) * 1943-03-31 1947-03-31 Skoda Kp Current interruption device.
US2434451A (en) * 1946-06-28 1948-01-13 Permanente Metals Corp Refractories
US2529566A (en) * 1948-08-17 1950-11-14 Mycalex Corp Of America Glass bonded insulating composition
DE828521C (en) * 1950-11-04 1952-01-17 Degussa Process for the production of porous cores from refractory oxides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2576721A1 (en) * 1985-01-30 1986-08-01 Centre Nat Rech Scient Circuit breaker cut-off chamber wall and circuit breaker cut-off chamber provided with such a wall

Also Published As

Publication number Publication date
GB716998A (en) 1954-10-20
US2772334A (en) 1956-11-27
BE502180A (en)
DE977206C (en) 1965-06-10

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