ES8405206A1 - High-tension spark plug. - Google Patents

High-tension spark plug.

Info

Publication number
ES8405206A1
ES8405206A1 ES524936A ES524936A ES8405206A1 ES 8405206 A1 ES8405206 A1 ES 8405206A1 ES 524936 A ES524936 A ES 524936A ES 524936 A ES524936 A ES 524936A ES 8405206 A1 ES8405206 A1 ES 8405206A1
Authority
ES
Spain
Prior art keywords
end section
longitudinal hole
electrical insulator
terminal side
combustion chamber
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
ES524936A
Other languages
Spanish (es)
Other versions
ES524936A0 (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.)
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 ES524936A0 publication Critical patent/ES524936A0/en
Publication of ES8405206A1 publication Critical patent/ES8405206A1/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
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • 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
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/34—Sparking plugs characterised by features of the electrodes or insulation characterised by the mounting of electrodes in insulation, e.g. by embedding
    • 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
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/39—Selection of materials for electrodes

Landscapes

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

Abstract

1. High-tension spark plus (10), with a metal, substantially tubular shell (11), which has on its outside means (12, 13, 14) for fitting in an internal combustion engine, encloses and seals in its through-hole (16) a substantially rotationally symmetrical, preferably sintered electrical insulator (17) and has on its end section, on the combustion chamber side, an earth electrode (15), which is spaced (spark gap 28) opposite a relatively short centre electrode (26) which is made of precious metal or contains precious metal and is fixed with no play and in sealed manner in the bottom (25), on the combustion chamber side, of the stepped longitudinal hole (24) of the electrical insulator (17), has a smaller diameter than the steps (24/1, 24/2, 24/2"), extending on the terminal side, of the longitudinal hole (24), is in direct contact within the longitudinal hole (24) with a pinshaped metal body (31), which is laterally guided exactly in the longitudinal hole (24) of the electrical insulator (17) and the end section of which, on the terminal side, is contacted in a sealing manner to an electrically conductive casting compound (34) in the longitudinal hole (24), in which (casting compound 34) an end section of an electrically conductive terminal bolt (36) is also anchored, which protrudes with its other end section out of the end, on the terminal side, of the electrical insulator (17), characterized in that the metal body (31) has on the combustion chamber side an end section (30) which tapers toward the centre electrode (26) and is welded at least partially in a depression (29) in the end section, on the terminal side, of the centre electrode (26).
ES524936A 1982-08-14 1983-08-12 High-tension spark plug. Expired ES8405206A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823230362 DE3230362A1 (en) 1982-08-14 1982-08-14 HIGH VOLTAGE SPARK PLUG

Publications (2)

Publication Number Publication Date
ES524936A0 ES524936A0 (en) 1984-05-16
ES8405206A1 true ES8405206A1 (en) 1984-05-16

Family

ID=6170941

Family Applications (1)

Application Number Title Priority Date Filing Date
ES524936A Expired ES8405206A1 (en) 1982-08-14 1983-08-12 High-tension spark plug.

Country Status (5)

Country Link
EP (1) EP0101547B1 (en)
JP (1) JPS5949181A (en)
BR (1) BR8304350A (en)
DE (2) DE3230362A1 (en)
ES (1) ES8405206A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6161390A (en) * 1984-08-30 1986-03-29 日本特殊陶業株式会社 Ignition plug
DE4431143B4 (en) * 1994-09-01 2004-09-23 Robert Bosch Gmbh Spark plug for an internal combustion engine
DE19623989C2 (en) * 1996-06-15 1998-07-30 Bosch Gmbh Robert Spark plug for an internal combustion engine
WO2001009998A1 (en) * 1999-07-29 2001-02-08 Robert Bosch Gmbh Spark plug for an internal combustion engine
DE10156949B4 (en) * 2001-11-20 2004-03-04 Robert Bosch Gmbh spark plug
DE10257995B4 (en) 2002-04-09 2011-03-24 Robert Bosch Gmbh spark plug
DE10329269B4 (en) * 2003-06-30 2005-12-29 Robert Bosch Gmbh Spark plug with at least two center electrodes
US7443089B2 (en) 2006-06-16 2008-10-28 Federal Mogul World Wide, Inc. Spark plug with tapered fired-in suppressor seal
DE102010004345B4 (en) * 2010-01-11 2018-02-22 Viessmann Werke Gmbh & Co Kg Electrode for flame monitoring on a heating burner
CN107790862B (en) * 2017-10-20 2020-02-07 株洲湘火炬火花塞有限责任公司 Method and system for controlling welding melting amount of side electrode of spark plug

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE199601C (en) *
US1361328A (en) * 1919-05-28 1920-12-07 Chauncey R Watson Spark-plug
US2072732A (en) * 1935-08-28 1937-03-02 Gen Electric Spark plug
GB801685A (en) * 1955-03-26 1958-09-17 Lodge Plugs Ltd Improvements in or relating to sparking plugs
US3509403A (en) * 1967-07-24 1970-04-28 Cecil J Krow Spark plug having a reversible inner electrode
JPS4922987A (en) * 1972-06-19 1974-02-28
DE2308915A1 (en) * 1973-02-23 1974-09-05 Otto Pickl SPARK PLUG FOR OTTO ENGINES
GB2054738A (en) * 1979-07-31 1981-02-18 Meadowbank Investments Ltd Improvements in Sparking Plugs

Also Published As

Publication number Publication date
DE3230362A1 (en) 1984-02-16
EP0101547B1 (en) 1987-11-19
ES524936A0 (en) 1984-05-16
JPH0544151B2 (en) 1993-07-05
DE3374633D1 (en) 1987-12-23
JPS5949181A (en) 1984-03-21
EP0101547A2 (en) 1984-02-29
EP0101547A3 (en) 1984-08-22
BR8304350A (en) 1984-03-20

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20020301