GB1603031A - Field effect devices for protection against over voltages - Google Patents

Field effect devices for protection against over voltages Download PDF

Info

Publication number
GB1603031A
GB1603031A GB13173/78A GB1317378A GB1603031A GB 1603031 A GB1603031 A GB 1603031A GB 13173/78 A GB13173/78 A GB 13173/78A GB 1317378 A GB1317378 A GB 1317378A GB 1603031 A GB1603031 A GB 1603031A
Authority
GB
United Kingdom
Prior art keywords
electrodes
primary
secondary electrodes
pair
pairs
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
GB13173/78A
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.)
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 GB1603031A publication Critical patent/GB1603031A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
    • H01T4/12—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel hermetically sealed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T2/00—Spark gaps comprising auxiliary triggering means
    • H01T2/02—Spark gaps comprising auxiliary triggering means comprising a trigger electrode or an auxiliary spark gap

Landscapes

  • Emergency Protection Circuit Devices (AREA)
GB13173/78A 1977-05-06 1978-04-04 Field effect devices for protection against over voltages Expired GB1603031A (en)

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 (1)

Publication Number Publication Date
GB1603031A true GB1603031A (en) 1981-11-18

Family

ID=11205484

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13173/78A Expired GB1603031A (en) 1977-05-06 1978-04-04 Field effect devices for protection against over voltages

Country Status (9)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2200243A (en) * 1987-01-27 1988-07-27 English Electric Valve Co Ltd Overvoltage protection device
DE19818674A1 (de) * 1998-04-27 1999-10-28 Phoenix Contact Gmbh & Co Überspannungsschutzelement
DE102018133389A1 (de) * 2018-12-21 2020-06-25 Phoenix Contact Gmbh & Co. Kg Überspannungsableiter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1108971B (it) * 1978-02-16 1985-12-16 Sits Soc It Telecom Siemens Dispositivo per la protezione da sovratensioni

Family Cites Families (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
GB1085032A (en) * 1964-09-11 1967-09-27 English Electric Co Ltd Improvements in or relating to protective spark gap devices
US3845345A (en) * 1973-07-05 1974-10-29 Gen Electric Frequency sensitive preionizer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2200243A (en) * 1987-01-27 1988-07-27 English Electric Valve Co Ltd Overvoltage protection device
GB2200243B (en) * 1987-01-27 1990-09-05 English Electric Valve Co Ltd Protection device
DE19818674A1 (de) * 1998-04-27 1999-10-28 Phoenix Contact Gmbh & Co Überspannungsschutzelement
US6392862B1 (en) 1998-04-27 2002-05-21 Phoenix Contact Gmbh & Co. Overvoltage protection element system
US6529360B2 (en) 1998-04-27 2003-03-04 Phoenix Contact Gmbh & Co. Overvoltage protection element system
DE19818674B4 (de) * 1998-04-27 2004-04-29 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzelement
DE102018133389A1 (de) * 2018-12-21 2020-06-25 Phoenix Contact Gmbh & Co. Kg Überspannungsableiter

Also Published As

Publication number Publication date
BR7802133A (pt) 1979-05-29
NL7802238A (nl) 1978-11-08
IT1115469B (it) 1986-02-03
SE7805024L (sv) 1978-11-07
FR2389994A1 (enrdf_load_stackoverflow) 1978-12-01
ES467208A1 (es) 1978-11-16
NO781561L (no) 1978-11-07
FR2389994B1 (enrdf_load_stackoverflow) 1981-06-19
BE863395A (fr) 1978-05-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee