GB1373435A - Sparking plugs - Google Patents

Sparking plugs

Info

Publication number
GB1373435A
GB1373435A GB645172A GB645172A GB1373435A GB 1373435 A GB1373435 A GB 1373435A GB 645172 A GB645172 A GB 645172A GB 645172 A GB645172 A GB 645172A GB 1373435 A GB1373435 A GB 1373435A
Authority
GB
United Kingdom
Prior art keywords
path
electrode
sparking plugs
feb
semi
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
GB645172A
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1373435A publication Critical patent/GB1373435A/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
    • H01T13/00—Sparking plugs
    • H01T13/52—Sparking plugs characterised by a discharge along a surface

Landscapes

  • Spark Plugs (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

1373435 Sparking plugs ROBERT BOSCH GmbH 11 Feb 1972 [13 Feb 1971] 6451/72 Heading FIB Parallel spark paths are provided, one path being a semi-surface discharge path and the other path comprising a spark gap between the end of the central electrode 13 and the earth electrode 15. The semi-surface discharge path is between the end of the electrode 13 and the earth electrodes 11.
GB645172A 1971-02-13 1972-02-11 Sparking plugs Expired GB1373435A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712106893 DE2106893A1 (en) 1971-02-13 1971-02-13 Combined high voltage air and sliding spark spark plug

Publications (1)

Publication Number Publication Date
GB1373435A true GB1373435A (en) 1974-11-13

Family

ID=5798691

Family Applications (1)

Application Number Title Priority Date Filing Date
GB645172A Expired GB1373435A (en) 1971-02-13 1972-02-11 Sparking plugs

Country Status (6)

Country Link
BR (1) BR7200814D0 (en)
DE (1) DE2106893A1 (en)
ES (1) ES399735A1 (en)
FR (1) FR2126686A5 (en)
GB (1) GB1373435A (en)
IT (1) IT947461B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219626A (en) * 1988-06-10 1989-12-13 Magneti Marelli Spa Partial surface discharge i.c. engine spark plug
EP1079487A1 (en) * 1999-08-25 2001-02-28 Denso Corporation Spark plug for internal combustion engine
US7262547B2 (en) 2003-08-28 2007-08-28 Robert Bosch Gmbh Spark plug element having defined dimensional parameters for its insulator component

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4230447C2 (en) * 1992-09-11 2000-06-08 Beru Werk Ruprecht Gmbh Co A spark plug
DE19503223C2 (en) * 1995-02-02 2000-06-08 Opel Adam Ag Spark plug for an internal combustion engine
JPH10189212A (en) * 1995-11-15 1998-07-21 Ngk Spark Plug Co Ltd Multipole spark plug
DE19704524C2 (en) * 1997-02-06 2002-06-20 Beru Werk Ruprecht Gmbh Co A Spark plug for an internal combustion engine
DE10342912A1 (en) * 2003-09-17 2005-04-21 Bosch Gmbh Robert Spark plug for engines comprises a central electrode with a first region containing a precious metal (alloy) and a second region containing nickel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219626A (en) * 1988-06-10 1989-12-13 Magneti Marelli Spa Partial surface discharge i.c. engine spark plug
GB2219626B (en) * 1988-06-10 1992-11-18 Magneti Marelli Spa Partial surface discharge spark plug for an internal combustion engine and method for manufacturing the earth electrodes of such a spark plug
EP1079487A1 (en) * 1999-08-25 2001-02-28 Denso Corporation Spark plug for internal combustion engine
US7262547B2 (en) 2003-08-28 2007-08-28 Robert Bosch Gmbh Spark plug element having defined dimensional parameters for its insulator component

Also Published As

Publication number Publication date
BR7200814D0 (en) 1973-05-03
IT947461B (en) 1973-05-21
ES399735A1 (en) 1974-11-16
DE2106893A1 (en) 1972-08-31
FR2126686A5 (en) 1972-10-06

Similar Documents

Publication Publication Date Title
MY7800162A (en) An improved spark plug, centre electrode therefor and method of forming same
ES463263A1 (en) Electrostatic paint spraying apparatus
GB1437924A (en) Surge voltage arresters
JPS5259235A (en) Spark plug electrode
GB1373435A (en) Sparking plugs
AU509497B2 (en) Spark plug having two electrically isolated centre electrodes
GB1457812A (en) Multi-gap type spark plug
GB1385606A (en) Printed circuit with over-voltage protection
GB1468677A (en) Duplex surge arrestors
GB1418982A (en) Gas-filled discharge tube for use as a transient protection device
GB1370762A (en) Sparking plugs
GB1521313A (en) Hybrid gap spark plug
GB1129455A (en) Improvements in sparking plugs
GB1419690A (en)
GB1325805A (en) Sparking plugs
GB1177271A (en) Improvements in Sparking Plugs
GB1175917A (en) Spark Plug
GB850402A (en) Sparking plugs
GB1328312A (en) Lightning arrester
GB710198A (en) Improvements in or relating to sparking plugs
GB949978A (en) Spark plugs
GB1219658A (en) Arc discharger
JPS5327868A (en) Back electrode type long distant gap spark plug
GB1522989A (en) Spark plug
GB1357497A (en) Spark-gap assembly for surgediverters

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees