FR2389994A1 - - Google Patents

Info

Publication number
FR2389994A1
FR2389994A1 FR7730048A FR7730048A FR2389994A1 FR 2389994 A1 FR2389994 A1 FR 2389994A1 FR 7730048 A FR7730048 A FR 7730048A FR 7730048 A FR7730048 A FR 7730048A FR 2389994 A1 FR2389994 A1 FR 2389994A1
Authority
FR
France
Prior art keywords
electrodes
field
create
primary
effect
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.)
Granted
Application number
FR7730048A
Other languages
English (en)
French (fr)
Other versions
FR2389994B1 (es
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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of FR2389994A1 publication Critical patent/FR2389994A1/fr
Application granted granted Critical
Publication of FR2389994B1 publication Critical patent/FR2389994B1/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00Overvoltage arresters using spark gaps
    • H01T4/10Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
    • H01T4/12Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel hermetically sealed
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T2/00Spark gaps comprising auxiliary triggering means
    • H01T2/02Spark gaps comprising auxiliary triggering means comprising a trigger electrode or an auxiliary spark gap

Landscapes

  • Emergency Protection Circuit Devices (AREA)
FR7730048A 1977-05-06 1977-10-06 Expired FR2389994B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23269/77A IT1115469B (it) 1977-05-06 1977-05-06 Dispositivo ad effetto di campo per la protezione da sovratensioni

Publications (2)

Publication Number Publication Date
FR2389994A1 true FR2389994A1 (es) 1978-12-01
FR2389994B1 FR2389994B1 (es) 1981-06-19

Family

ID=11205484

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7730048A Expired FR2389994B1 (es) 1977-05-06 1977-10-06

Country Status (9)

Country Link
BE (1) BE863395A (es)
BR (1) BR7802133A (es)
ES (1) ES467208A1 (es)
FR (1) FR2389994B1 (es)
GB (1) GB1603031A (es)
IT (1) IT1115469B (es)
NL (1) NL7802238A (es)
NO (1) NO781561L (es)
SE (1) SE7805024L (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417849A2 (fr) * 1978-02-16 1979-09-14 Sits Soc It Telecom Siemens Dispositif pour la protection contre les surtensions
EP0954073A1 (de) * 1998-04-27 1999-11-03 PHOENIX CONTACT GmbH & Co. Überspannungsschutzelement

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2200243B (en) * 1987-01-27 1990-09-05 English Electric Valve Co Ltd Protection device
DE102018133389A1 (de) * 2018-12-21 2020-06-25 Phoenix Contact Gmbh & Co. Kg Überspannungsableiter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB353924A (en) * 1930-01-29 1931-07-29 Edison Swan Electric Co Ltd Improvements in protecting devices for electric circuits
FR1052741A (fr) * 1952-03-24 1954-01-26 Parafoudre à transfert d'arc
CH313669A (de) * 1953-07-23 1956-04-30 Bbc Brown Boveri & Cie Vorionisierte Funkenstrecke, insbesondere für Überspannungsableiter
CH436446A (fr) * 1964-09-11 1967-05-31 English Electric Co Ltd Eclateur de protection
FR2236293A1 (es) * 1973-07-05 1975-01-31 Gen Electric

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB353924A (en) * 1930-01-29 1931-07-29 Edison Swan Electric Co Ltd Improvements in protecting devices for electric circuits
FR1052741A (fr) * 1952-03-24 1954-01-26 Parafoudre à transfert d'arc
CH313669A (de) * 1953-07-23 1956-04-30 Bbc Brown Boveri & Cie Vorionisierte Funkenstrecke, insbesondere für Überspannungsableiter
CH436446A (fr) * 1964-09-11 1967-05-31 English Electric Co Ltd Eclateur de protection
FR2236293A1 (es) * 1973-07-05 1975-01-31 Gen Electric

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417849A2 (fr) * 1978-02-16 1979-09-14 Sits Soc It Telecom Siemens Dispositif pour la protection contre les surtensions
EP0954073A1 (de) * 1998-04-27 1999-11-03 PHOENIX CONTACT GmbH & Co. Überspannungsschutzelement
EP1143585A2 (de) * 1998-04-27 2001-10-10 PHOENIX CONTACT GmbH & Co. Überspannungsschutzelement
US6392862B1 (en) 1998-04-27 2002-05-21 Phoenix Contact Gmbh & Co. Overvoltage protection element system
EP1143585A3 (de) * 1998-04-27 2002-11-06 Phoenix Contact GmbH & Co. KG Überspannungsschutzelement
US6529360B2 (en) 1998-04-27 2003-03-04 Phoenix Contact Gmbh & Co. Overvoltage protection element system

Also Published As

Publication number Publication date
ES467208A1 (es) 1978-11-16
IT1115469B (it) 1986-02-03
BR7802133A (pt) 1979-05-29
NL7802238A (nl) 1978-11-08
GB1603031A (en) 1981-11-18
FR2389994B1 (es) 1981-06-19
BE863395A (fr) 1978-05-16
NO781561L (no) 1978-11-07
SE7805024L (sv) 1978-11-07

Similar Documents

Publication Publication Date Title
ES272505A1 (es) Mejoras introducidas en las lámparas de descarga eléctrica en gas
JPS51131185A (en) Electronic scintillation device
FR2404296A1 (fr) Dispositif de protection contre les surtensions
FR2389994A1 (es)
FR2395575A1 (fr) Gaz isolant utilisable dans un appareillage electrique a haute tension
GB1134998A (en) Improvements in or relating to insulated gate field effect transistors
FR2449956A1 (fr) Dispositif de protection contre les surtensions notamment parafoudre
ES296193A1 (es) Un dispositivo pararrayos
GB592750A (en) Improvements in or relating to electron discharge apparatus and electrodes for use therein
GB939179A (en) Improvements in spark gap devices
SE7608045L (sv) Anordning for overspenningsskydd vid lagspenningsanleggningar
ES446309A1 (es) Celda de equipo electrico con aislamiento en el aire.
JPS5431538A (en) Switchgear insulated by gas
GB324101A (en) Improvements in or relating to luminous vacuum tube devices
JPS5245040A (en) Arrester for enclosed type switching equipment
GB879313A (en) Improvements in electrical devices for catching fish
FR1463568A (fr) Dispositif applicable aux lampes à décharge électrique contenant des iodures métalliques en vapeur saturante notamment de l'iodure de sodium
GB920005A (en) Improvements in or relating to electric arc discharge apparatus
ES209956A3 (es) Un perfeccionamiento en los dispositivos de soldadura electrica
GB729363A (en) Improvements in and relating to electric glow-discharge apparatus shaped and arranged as signs or indicators
GB1100548A (en) Improvements in or relating to high voltage electrical equipment, especially electrical circuit-interrupting devices
GB210024A (en) Improvements in devices for protecting telephone, telegraph and the like instruments against lightning or excessive electric potentials
JPS5449552A (en) Discharge gap device
ES281083A1 (es) Perfeccionamientos en dispositivos de salto de chispas
JPS5341845A (en) Ac glow discharge device

Legal Events

Date Code Title Description
ST Notification of lapse