EP0099522B2 - Funkenstrecke mit einem gasgefüllten Gehäuse - Google Patents

Funkenstrecke mit einem gasgefüllten Gehäuse Download PDF

Info

Publication number
EP0099522B2
EP0099522B2 EP83106677A EP83106677A EP0099522B2 EP 0099522 B2 EP0099522 B2 EP 0099522B2 EP 83106677 A EP83106677 A EP 83106677A EP 83106677 A EP83106677 A EP 83106677A EP 0099522 B2 EP0099522 B2 EP 0099522B2
Authority
EP
European Patent Office
Prior art keywords
housing
electrodes
end faces
approximately
gas
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 - Lifetime
Application number
EP83106677A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0099522B1 (de
EP0099522A3 (en
EP0099522A2 (de
Inventor
Gerhard Ing. Grad. Lange
Jürgen Ing. grad. Boy
Peter Gründahl
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.)
Siemens AG
Original Assignee
Siemens 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6169212&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0099522(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0099522A2 publication Critical patent/EP0099522A2/de
Publication of EP0099522A3 publication Critical patent/EP0099522A3/de
Application granted granted Critical
Publication of EP0099522B1 publication Critical patent/EP0099522B1/de
Publication of EP0099522B2 publication Critical patent/EP0099522B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01T1/00—Details of spark gaps
    • H01T1/20—Means for starting arc or facilitating ignition of spark gap
    • 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

Definitions

  • the present invention relates to a spark gap for a spark plug of a gasoline engine according to the preamble of claim 1.
  • a spark gap is described in US Pat. No. 3,956,657.
  • the surge arrester described in international application WO 82/01792 comprises a spark gap, both of which the electrodes are each composed of a soldering flange, a thin-walled, truncated-cone-shaped part and a part made of solid material, and in which the cylindrical housing has housing faces to which the soldering flanges (4) Connect to the housing end faces (3) in a vacuum-tight manner, the frustoconical part and the part made of solid material projecting into the housing.
  • the object on which the present invention is based in the case of a spark gap in accordance with the preamble of patent claim 1, is to increase the ignition voltage to approximately 18 kV, it being intended to ensure that, in the case of a series connection with spark plugs, the power loss of the spark gap is only approximately 10%, which is Ignition voltage scatters little and remains constant even with long operating times.
  • This object is achieved by the characterizing part of patent claim 1.
  • the spark gap according to the invention has a breakdown voltage of 18 kV, in the case of a spark plug connected in series, consumes only about 10% self-dissipation compared to 90% in the spark plug and ensures a uniform breakdown voltage.
  • the provided dimensioning of the ignition point spacing avoids ignition voltage fluctuations that could be caused by the influences of a closely coupled housing wall.
  • the invention is explained on a figure. It shows an embodiment of a spark gap according to the invention in a partially sectioned view.
  • the sum of the distances between the electrode edge 11 and the ignition point 10 is greater than the electrode distance.
  • the electrodes 2 are chamfered in the area of the end faces 8.
  • the chamfer 9 has a width of approximately 1 mm in the radial direction. It is inclined at 45 ° to the axis of rotation of the electrodes.
  • a reproducible breakdown voltage is achieved with a gas filling of 97% by weight of nitrogen and about 3% by weight of hydrogen and at a gas pressure of about 15 bar and a low electrode offset of about 0.5 mm.
  • the inherent losses of the spark gap when connected in series to a spark plug of an Otto engine can be limited to approximately 10%.
  • Connection pins 6 are provided with a thread.

Landscapes

  • Spark Plugs (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
EP83106677A 1982-07-23 1983-07-07 Funkenstrecke mit einem gasgefüllten Gehäuse Expired - Lifetime EP0099522B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3227668 1982-07-23
DE19823227668 DE3227668A1 (de) 1982-07-23 1982-07-23 Funkenstrecke mit einem gasgefuellten gehaeuse

Publications (4)

Publication Number Publication Date
EP0099522A2 EP0099522A2 (de) 1984-02-01
EP0099522A3 EP0099522A3 (en) 1984-07-04
EP0099522B1 EP0099522B1 (de) 1987-02-11
EP0099522B2 true EP0099522B2 (de) 1990-03-14

Family

ID=6169212

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83106677A Expired - Lifetime EP0099522B2 (de) 1982-07-23 1983-07-07 Funkenstrecke mit einem gasgefüllten Gehäuse

Country Status (3)

Country Link
EP (1) EP0099522B2 (ja)
JP (1) JPS5933779A (ja)
DE (2) DE3227668A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0229303A1 (de) * 1985-12-18 1987-07-22 Cerberus Ag Funkenstrecke, insbesondere zur Verwendung als Vorfunkenstrecke einer Zündkerze eines Verbrennungsmotors
DE3723571C2 (de) * 1987-07-16 1995-05-04 Siemens Ag Hochspannungsfunkenstrecke
EP0378963B1 (de) * 1989-01-18 1994-06-22 Siemens Aktiengesellschaft Funkenstreckenbauelement für geschirmte Anordnung
US5166574A (en) * 1989-07-14 1992-11-24 Yazaki Corporation High-tension cable device
DE102005036265A1 (de) 2005-08-02 2007-02-08 Epcos Ag Funkenstrecke
JP5316020B2 (ja) 2009-01-24 2013-10-16 三菱マテリアル株式会社 サージアブソーバ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1057186A (en) * 1912-04-10 1913-03-25 Louis C Gerwig Spark-intensifier for spark-plugs.
FR1394234A (fr) * 1964-02-20 1965-04-02 Thomson Houston Comp Francaise Eclateur commandé
US3388274A (en) * 1966-04-05 1968-06-11 Joslyn Mfg & Supply Co Axial spark gap with a coaxial third electrode adjacent the main axial electrodes
US3956657A (en) * 1972-07-18 1976-05-11 Robert Bosch G.M.B.H. Pre-ignition gap
DE2418261B2 (de) * 1974-04-16 1976-05-13 Siemens AG, 1000 Berlin und 8000 München Funkenstreckenbauelement fuer zuendanlagen von brennkaftmaschinen
US4037266A (en) * 1975-12-29 1977-07-19 Bell Telephone Laboratories, Incorporated Voltage surge protector
DE3042847A1 (de) * 1980-11-13 1982-06-09 Siemens AG, 1000 Berlin und 8000 München Gasentladungs-ueberspannungsableiter mit konzentrisch umschliessender fassung

Also Published As

Publication number Publication date
EP0099522B1 (de) 1987-02-11
EP0099522A3 (en) 1984-07-04
JPS5933779A (ja) 1984-02-23
EP0099522A2 (de) 1984-02-01
DE3227668A1 (de) 1984-01-26
DE3369813D1 (en) 1987-03-19

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