BR112012006689A2 - vela de ignição - Google Patents

vela de ignição

Info

Publication number
BR112012006689A2
BR112012006689A2 BR112012006689A BR112012006689A BR112012006689A2 BR 112012006689 A2 BR112012006689 A2 BR 112012006689A2 BR 112012006689 A BR112012006689 A BR 112012006689A BR 112012006689 A BR112012006689 A BR 112012006689A BR 112012006689 A2 BR112012006689 A2 BR 112012006689A2
Authority
BR
Brazil
Prior art keywords
component
mass
oxide
spark plug
insulator
Prior art date
Application number
BR112012006689A
Other languages
English (en)
Inventor
Hirokazu Kurono
Keita Nakagawa
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 BR112012006689A2 publication Critical patent/BR112012006689A2/pt

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
    • H01T13/38—Selection of materials for insulation
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/117—Composites
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62695—Granulation or pelletising
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3215—Barium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3227—Lanthanum oxide or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics

Abstract

vela de ignição. a presente invenção se refere ao fornecimento de uma vela de ignição excelente quanto à resistência ácida e às característica de tensão suportável em altas temperaturas. uma vela de ignição 100 que inclui um isolante 2 que é formado em uma forma aproximadamente cilíndrica e que tem um furo atravessante 6 que penetra na direção do eixo geométrico, e um eletrodo central 3 inserido no furo atravessante 6, sendo que o isolante 2 é formado por um corpo sinterizado a base de alumina que contém um componente si, um componente ba, um componente ca e um componente mg para satisfazer as seguintes condições (1) e (2) e que substancialmente não contém o componente b: condição (1): a razão r~ ca~ da massa em termos de óxido do componente ca em relação à massa em termos de óxido do componente si é de 0,05 a 0,40; condição (2): a razão r~ mg~ da massa em termos de óxidos do componente mg em relação à massa total da massa em termos de óxido do componente si, massa em termos de óxido do componente ca e massa em termos de óxido do componente mg é de 0,01 a 0,08.
BR112012006689A 2009-09-25 2010-06-23 vela de ignição BR112012006689A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009221067A JP4651732B1 (ja) 2009-09-25 2009-09-25 スパークプラグ
PCT/JP2010/004163 WO2011036833A1 (ja) 2009-09-25 2010-06-23 スパークプラグ

Publications (1)

Publication Number Publication Date
BR112012006689A2 true BR112012006689A2 (pt) 2016-05-10

Family

ID=43795603

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012006689A BR112012006689A2 (pt) 2009-09-25 2010-06-23 vela de ignição

Country Status (5)

Country Link
US (1) US20120176022A1 (pt)
JP (1) JP4651732B1 (pt)
KR (1) KR20120087907A (pt)
BR (1) BR112012006689A2 (pt)
WO (1) WO2011036833A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5211251B1 (ja) 2012-02-27 2013-06-12 日本特殊陶業株式会社 スパークプラグ
JP5600711B2 (ja) 2012-08-28 2014-10-01 日本特殊陶業株式会社 スパークプラグ
JP5775544B2 (ja) * 2013-05-09 2015-09-09 日本特殊陶業株式会社 点火プラグ用絶縁体及び点火プラグ
JP6366555B2 (ja) * 2015-09-24 2018-08-01 日本特殊陶業株式会社 スパークプラグ
JP6369837B2 (ja) 2015-09-24 2018-08-08 日本特殊陶業株式会社 スパークプラグ
JP6440602B2 (ja) * 2015-09-24 2018-12-19 日本特殊陶業株式会社 スパークプラグ
JP6546624B2 (ja) * 2017-06-27 2019-07-17 日本特殊陶業株式会社 スパークプラグ
JP6843809B2 (ja) 2018-10-03 2021-03-17 日本特殊陶業株式会社 スパークプラグ
CN117751497A (zh) * 2021-07-27 2024-03-22 日本特殊陶业株式会社 绝缘体和火花塞

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05190255A (ja) * 1992-01-16 1993-07-30 Nippon Light Metal Co Ltd 窒化アルミニウム製点火プラグ用絶縁碍子
JPH1143368A (ja) * 1997-05-29 1999-02-16 Ngk Spark Plug Co Ltd アルミナセラミックとスパークプラグ用絶縁碍子
JP4807711B2 (ja) * 1999-02-23 2011-11-02 日本特殊陶業株式会社 スパークプラグの絶縁碍子用アルミナ基焼結体
JP4544597B2 (ja) * 2000-05-01 2010-09-15 日本特殊陶業株式会社 スパークプラグ
WO2005033041A1 (ja) * 2003-10-03 2005-04-14 Nippon Soken, Inc. アルミナ質磁器組成物およびそれを用いたスパークプラグ
JP4690230B2 (ja) * 2006-03-16 2011-06-01 日本特殊陶業株式会社 内燃機関用スパークプラグ及びその製造方法

Also Published As

Publication number Publication date
KR20120087907A (ko) 2012-08-07
US20120176022A1 (en) 2012-07-12
JP4651732B1 (ja) 2011-03-16
WO2011036833A1 (ja) 2011-03-31
JP2011070929A (ja) 2011-04-07

Similar Documents

Publication Publication Date Title
BR112012006689A2 (pt) vela de ignição
BR112012008354A2 (pt) dispositivo anti-carbonização
BR112012028665A2 (pt) porca de compartimento isolada eletricamente, e, método de produção da mesma
BR112014031085A2 (pt) conector para uso médico
BR122019018224B8 (pt) implante dentário, e, kit de implante dentário
WO2012009431A3 (en) Surgical instruments with electrodes
BR112014017653A8 (pt) Membro de conexão para o plugue de fone de ouvido, tomada de fone de ouvido e dispositivo terminal
BR112013031939A2 (pt) disposição de eletródios para uma descarga de gás dieletricamente limitada
BR112013019057A2 (pt) conector com primeira e segunda portas
BR112014026075A2 (pt) montagem de sensor e método de formar uma montagem de sensor
EP2166628A4 (en) PLASMA SPARK IGNITION CANDLE AND RELATED IGNITION DEVICE
WO2009126864A3 (en) Ceramic spark plug insulator and method of making
BRPI0416448A (pt) cerámica, e, vela de ignição
BR112013024653A2 (pt) cânula ajustável
WO2012142442A3 (en) Small diameter laparoscopic tool having releasable tip
BR112014018649A8 (pt) Limitador de flexão
CN104756333B (zh) 火花塞
TW201129500A (en) Seed holding member and method for producing polycrystalline silicon using the seed holding member
BR112014029456A2 (pt) dispositivo de mola e mecanismo de rodagem para um veículo sobre trilhos
BR112015011590A2 (pt) ferramenta de fundo de poço e sistema de fundo de poço
WO2009097320A3 (en) Dielectric enhanced partial thread spark plug
BR112017019059A2 (pt) composição de aditivo para composição de borracha composta de sílica, composição de borracha e pneu
BRPI1011630B8 (pt) paracetamol para a administração parenteral
BR112015021345A2 (pt) montagem de acesso cirúrgico
BR112014001095A2 (pt) dispositivo com uma parede conformada para o envolvimento estreito de uma parte de um corpo

Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]