BR0105480A - Vela de ignição - Google Patents

Vela de ignição

Info

Publication number
BR0105480A
BR0105480A BR0105480-5A BR0105480A BR0105480A BR 0105480 A BR0105480 A BR 0105480A BR 0105480 A BR0105480 A BR 0105480A BR 0105480 A BR0105480 A BR 0105480A
Authority
BR
Brazil
Prior art keywords
insulator
spark plug
varnish
terminal
present
Prior art date
Application number
BR0105480-5A
Other languages
English (en)
Inventor
Kenichi Nishikawa
Yoshihide Takage
Original Assignee
Ngk Spark Plug Co
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 Ngk Spark Plug Co filed Critical Ngk Spark Plug Co
Publication of BR0105480A publication Critical patent/BR0105480A/pt

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
    • H01T13/00Sparking plugs
    • H01T13/20Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/38Selection of materials for insulation

Landscapes

  • Spark Plugs (AREA)
  • Glass Compositions (AREA)

Abstract

"VELA DE IGNIçãO". A presente invenção refere-se à vela de ignição utilizada no motor de combustão interna como veículos automotivos. No estado da técnica tem-se o isolador (2) constituido de cerâmica de alumina instalado dentro do castelo metálico (1) disposto de eletrodo de terra (4) e dentro do isolador encontra-se inserido o eletrodo central (3), que se projeta num dos lados onde desencadeia centelha, quando se imprime a alta tensão, entre eletrodos, no outro lado, do lado oposto, está o terminal onde se conecta a tensão requerida. O isolador (2) do lado do terminal é revestido da camada de verniz (2d) para eximir-se de "flash ove" durante o funcionamento normal do motor além disso o verniz serve para ter superfície lisa, dificultando-se a impregnação de corpos estranhas e, podendo proporcionar-lhe vantagem em relação ao ataque químico ou aumento da resistência mecânica. Na composição do verniz tem sido largamente aplicado o composto de chumbo, que traz problemas ambientais, e a presente invenção visa substituí-lo ou reduzir sua presença drasticamente pela utilização de SiO~ 2~, B~ 2~O~ 3~, ZnO, BaO ou SrO, F, Al~ 2~O~ 3~, Na~ 2~O, K~ 2~O ou Li~ 2~O, de forma que a sua dureza esteja dentro da faixa estipulada.
BR0105480-5A 2000-09-29 2001-09-27 Vela de ignição BR0105480A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000299380 2000-09-29
JP2001244462A JP3511602B2 (ja) 2000-09-29 2001-08-10 スパークプラグ

Publications (1)

Publication Number Publication Date
BR0105480A true BR0105480A (pt) 2002-05-21

Family

ID=26601154

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0105480-5A BR0105480A (pt) 2000-09-29 2001-09-27 Vela de ignição

Country Status (5)

Country Link
US (1) US6744188B2 (pt)
EP (1) EP1193816B1 (pt)
JP (1) JP3511602B2 (pt)
BR (1) BR0105480A (pt)
DE (1) DE60101193T2 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2170009B2 (es) * 2000-09-21 2003-09-16 Esmalglass Sa Material base para la preparacion de piezas de naturaleza vitrea o vitrocristalina, procedimiento para preparar el material base, y metodo de fabricacion de las piezas.
JP2004221053A (ja) 2002-12-27 2004-08-05 Ngk Spark Plug Co Ltd スパークプラグ
JP4536065B2 (ja) * 2004-02-19 2010-09-01 日本特殊陶業株式会社 グロープラグ
JP4357993B2 (ja) * 2004-03-05 2009-11-04 日本特殊陶業株式会社 スパークプラグ
JP2006114476A (ja) * 2004-09-14 2006-04-27 Denso Corp 内燃機関用のスパークプラグ
US20060138403A1 (en) * 2004-12-29 2006-06-29 Gang Yu Organic electronic devices including pixels
US7573185B2 (en) * 2006-06-19 2009-08-11 Federal-Mogul World Wide, Inc. Small diameter/long reach spark plug with improved insulator design
US9249773B2 (en) * 2012-10-23 2016-02-02 GM Global Technology Operations LLC Apparatus and method for static testing a spark plug assembled in an internal combustion engine including cracked ceramic insulator detection
JP5755310B2 (ja) * 2013-10-28 2015-07-29 日本特殊陶業株式会社 スパークプラグ
DE102014218062A1 (de) 2014-09-10 2016-03-10 Robert Bosch Gmbh Keramischer Zündkerzenisolator, Zündkerze und Verwendung einer Glasur auf einem Zündkerzenisolator
CN109787091A (zh) * 2019-04-02 2019-05-21 极燃动力科技(浙江自贸区)有限公司 一种火花塞

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3804666A (en) * 1971-12-13 1974-04-16 Scm Corp Glazed ceramic ware
US3898091A (en) * 1973-06-04 1975-08-05 M & T Chemicals Inc Novel glazing composition and method
US4084976A (en) 1977-07-20 1978-04-18 Champion Spark Plug Company Lead-free glaze for alumina bodies
US4120733A (en) 1977-12-01 1978-10-17 Champion Spark Plug Company Lead-free glaze for alumina bodies
US4256497A (en) 1980-02-08 1981-03-17 Champion Spark Plug Company Lead-free glaze for alumina bodies
US4634634A (en) * 1981-10-19 1987-01-06 Ngk Spark Plug Co., Ltd. Glaze ceramic base
JPS6215493A (ja) 1985-07-15 1987-01-23 株式会社東芝 使用済燃料輸送・貯蔵容器
US5922444A (en) * 1992-10-27 1999-07-13 Ngk Spark Plug Co., Ltd. Glaze composition
US5518968A (en) 1994-10-17 1996-05-21 Cooper Industries, Inc. Low-temperature lead-free glaze for alumina ceramics
JPH10115424A (ja) * 1996-01-31 1998-05-06 Ngk Spark Plug Co Ltd スパークプラグ
JPH10236845A (ja) 1997-02-26 1998-09-08 Iwaki Glass Kk 低融点無鉛ガラス組成物
JPH1143351A (ja) 1997-07-24 1999-02-16 Nippon Electric Glass Co Ltd 釉薬用ガラス組成物
JPH11106234A (ja) 1997-09-30 1999-04-20 Nippon Electric Glass Co Ltd 釉薬用ガラス組成物
KR20010020288A (ko) * 1998-02-27 2001-03-15 오카무라 가네오 스파크 플러그, 스파크 플러그용 알루미나계 절연체 및 그 제조방법
JP2000048931A (ja) 1998-05-22 2000-02-18 Ngk Spark Plug Co Ltd スパ―クプラグ及びその製造方法
JP2000313681A (ja) 1999-02-26 2000-11-14 Noritake Co Ltd アルミナ用無鉛グレーズ組成物およびグレーズド・アルミナ
JP4474724B2 (ja) 1999-05-24 2010-06-09 株式会社デンソー 無鉛釉薬及びスパークプラグ

Also Published As

Publication number Publication date
US6744188B2 (en) 2004-06-01
DE60101193D1 (de) 2003-12-18
EP1193816A2 (en) 2002-04-03
EP1193816A3 (en) 2002-05-29
JP3511602B2 (ja) 2004-03-29
DE60101193T2 (de) 2004-09-09
US20020067110A1 (en) 2002-06-06
JP2002175865A (ja) 2002-06-21
EP1193816B1 (en) 2003-11-12

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time