JPH01286282A - Lead-in gap type igniter plug - Google Patents
Lead-in gap type igniter plugInfo
- Publication number
- JPH01286282A JPH01286282A JP11567788A JP11567788A JPH01286282A JP H01286282 A JPH01286282 A JP H01286282A JP 11567788 A JP11567788 A JP 11567788A JP 11567788 A JP11567788 A JP 11567788A JP H01286282 A JPH01286282 A JP H01286282A
- Authority
- JP
- Japan
- Prior art keywords
- insulator
- tip
- igniter plug
- conductive film
- electrode
- 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.)
- Pending
Links
- 239000012212 insulator Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 abstract description 2
- 239000005751 Copper oxide Substances 0.000 abstract description 2
- 229910000431 copper oxide Inorganic materials 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 229910000510 noble metal Inorganic materials 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- QIJNJJZPYXGIQM-UHFFFAOYSA-N 1lambda4,2lambda4-dimolybdacyclopropa-1,2,3-triene Chemical compound [Mo]=C=[Mo] QIJNJJZPYXGIQM-UHFFFAOYSA-N 0.000 description 1
- 229910039444 MoC Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野］
本発明は、ガスタービンエンジン、ディーゼルエンジン
、ガス・オイルバーナー点火器などに使用されるイグナ
イタプラグに係わり、特に、引込みギヤツブ型イグナイ
タプラグの放電電圧の低減および寿命の延長に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to igniter plugs used in gas turbine engines, diesel engines, gas/oil burner igniters, etc. Concerning voltage reduction and life extension.
［従来の技術］
高圧引込みギヤツブ型イグナイタプラグを、第３図とと
もに説明する。このイグナイタプラグは、ステンレス鋼
、インコネル（商１）などの耐熱性金属で形成され、先
端部１０２内周に環状の係止面１０１が設けられた筒状
の主体金具１００を備える。この主体金具１００内には
、前記係止面１０１に係合される先端面３０１を有する
筒状絶縁体３００が貴金属の環状ワッシャ５００を介し
て嵌め込まれて固着されている。絶縁体３００内には、
中心電極２００の先端２０１が前記先端面３０１から引
っ込んだ状態で、中心型４１ｉ２００が嵌め込まれて固
着されている。このイグナイタプラグは主体金具１００
の先端部１０２の内周面は接地電極１１０となっており
、先端２０１との間に沿面放電間隙３０２を含む開口１
８０をもつ発火部４００を形成しているイグナイタプラ
グが特開昭６３・−６６８７９号公報に記載されている
。[Prior Art] A high-pressure retractable gear-type igniter plug will be explained with reference to FIG. 3. This igniter plug is made of a heat-resistant metal such as stainless steel or Inconel (Commercial 1), and includes a cylindrical metal shell 100 with an annular locking surface 101 provided on the inner periphery of a tip portion 102. A cylindrical insulator 300 having a distal end surface 301 that is engaged with the locking surface 101 is fitted and fixed into the metal shell 100 via a ring-shaped washer 500 made of a noble metal. Inside the insulator 300,
With the tip 201 of the center electrode 200 retracted from the tip surface 301, the center mold 41i200 is fitted and fixed. This igniter plug has a metal shell of 100
The inner circumferential surface of the tip 102 serves as a ground electrode 110, and the opening 1 includes a creeping discharge gap 302 between it and the tip 201.
An igniter plug forming an ignition portion 400 having a diameter of 80 is described in Japanese Patent Laid-Open No. 63-66879.
［発明が解決しようとする課題］
しかるに、このようなイグナイタプラグＲでは、沿面放
電間隙３０２に沿って飛ぶスパーク電圧が高く、安定し
てスパークが飛ぶ沿面放電間隙３０２の限界長さ、すな
わち電極消耗の限界値が低く、耐久性に乏しかった。[Problems to be Solved by the Invention] However, in such an igniter plug R, the spark voltage that travels along the creeping discharge gap 302 is high, and the limit length of the creeping discharge gap 302 where the spark can travel stably, that is, electrode wear. The limit value was low and durability was poor.
本発明の目的は、放電電圧の低下が図られ、これにより
接地電極および中心電極の消耗の限界値を長くすること
ができるとともに耐久性の優れたイグナイタプラグの提
供にある。SUMMARY OF THE INVENTION An object of the present invention is to provide an igniter plug that can reduce the discharge voltage, thereby increasing the wear limit of the ground electrode and the center electrode, and has excellent durability.
［課題を解決するための手段］
上記目的を達成するため、本発明は、先端部内周が環状
の係止面を介して径小とされた筒状の主体金具と、前記
係止面に当接した先端面を有し、主体金具内に固定され
た筒状絶縁体と、該絶縁体内に嵌め込まれるとともに、
先端面が絶縁体の先端面から引っ込んでいる中心電極と
を備えたイグナイタプラグにおいて、前記先端面（係止
面に当接する）を除く絶縁体の先端部外周面に、導電性
被膜を形成した構成を採用した。[Means for Solving the Problems] In order to achieve the above object, the present invention provides a cylindrical metal shell whose inner periphery of the tip portion is reduced in diameter through an annular locking surface, and a metal shell that contacts the locking surface. a cylindrical insulator having a contacting end surface and fixed within the metal shell; and a cylindrical insulator fitted into the insulator;
In an igniter plug equipped with a center electrode whose tip surface is recessed from the tip surface of the insulator, a conductive coating is formed on the outer circumferential surface of the tip of the insulator except for the tip surface (abutting the locking surface). The configuration was adopted.
［作用および発明の効果］
本発明の引込みギヤツブ型イグナイタプラグは、次の作
用および効果を生じる。[Functions and Effects of the Invention] The retractable gear type igniter plug of the present invention produces the following effects and effects.
■主体金具の係止面に当接する絶縁体の先端面を除く絶
縁体の先端部外周面に、導電性被膜を形成している。こ
のため背ｆ＆ ａｔ電極果により、早期または低い電圧
で、沿面放電間隙周辺のイオン化が促進するため放電電
圧の低減が図れる。■A conductive coating is formed on the outer peripheral surface of the tip of the insulator, except for the tip surface of the insulator that comes into contact with the locking surface of the metal shell. Therefore, the back f&at electrode effect promotes ionization around the creeping discharge gap at an early stage or at a low voltage, so that the discharge voltage can be reduced.
■放電電圧の低下分を沿面放電間隙の伸長に振り向ける
ことができるため着火性の向」−が図れる。(2) Since the reduction in discharge voltage can be directed to the elongation of the creeping discharge gap, the ignitability can be improved.
■絶縁体の先端面を除く先端部外周面に導電性被膜を形
成するため、比較的、耐火花消耗性の劣る材料が適用で
き、コストが低減できる。(2) Since a conductive film is formed on the outer circumferential surface of the tip except for the tip surface of the insulator, materials with relatively poor spark abrasion resistance can be used and costs can be reduced.
［実施例］
つぎに本発明を第１図及び第２図に示す１実施例に基づ
き設明する。[Example] Next, the present invention will be explained based on an example shown in FIGS. 1 and 2.
本発明の引込みギヤツブ型イグナイタプラグＨは、筒状
の主体金具１内に、軸心に中心電極２が貫設された筒状
絶縁体３を嵌め込んでなる。主体金具１の先端部１１の
内周は、環状の係止面１２を介して径小に形成され、接
地電極１３となっている。この係止面１２には、先端部
外周面３ａのみに導電性被膜４が形成された絶縁体３の
先端面３２が、白金、イリジウム、又は白金−イリジウ
ム合金、白金・−イリジウム−ニッケル合金等からなる
貴金属板８を介して当接されている。中心電極２と接地
電極１３との間には沿面放電間隙３１を含む発火部５が
形成されている。The retractable gear type igniter plug H of the present invention is formed by fitting into a cylindrical metal shell 1 a cylindrical insulator 3 having a center electrode 2 extending through its axis. The inner periphery of the tip portion 11 of the metal shell 1 is formed to have a small diameter with an annular locking surface 12 interposed therebetween, and serves as a ground electrode 13 . This locking surface 12 has a distal end surface 32 of an insulator 3 having a conductive coating 4 formed only on the outer circumferential surface 3a of the distal end. They are in contact with each other via a noble metal plate 8 made of. A firing section 5 including a creeping discharge gap 31 is formed between the center electrode 2 and the ground electrode 13 .
主体金具ｌは、イグナイタプラグＨのハウジングを兼ね
た円筒状の耐熱ステンレス鋼（ＳＵＳ３０４）で形成さ
れ、前記係止面１２はテーパ面とされている。また、中
間部には連通孔１４が設けられ、後端部外周には、取付
ねじ１５が形成されている。前記連通孔１４は、主体金
具１と絶縁体３との間に軸方向に設けられた環状スペー
ス１６を介して主体金具１の先端部１１に設けられた連
通孔１７に連通して、冷却用の空気の流路を形成してい
る。The metal shell L is made of cylindrical heat-resistant stainless steel (SUS304) and also serves as a housing for the igniter plug H, and the locking surface 12 is a tapered surface. Further, a communication hole 14 is provided in the intermediate portion, and a mounting screw 15 is formed on the outer periphery of the rear end portion. The communication hole 14 communicates with a communication hole 17 provided in the tip portion 11 of the metal shell 1 through an annular space 16 provided in the axial direction between the metal shell 1 and the insulator 3, and is used for cooling. It forms an air flow path.
中心電極２はニッケル合金製、タングステン合金製等で
あり、中心型［１２の先端面２１が絶縁体３の先端面３
２より数ｍｍ引っ込んで配設されている。また、後端部
２２は図示しない負の高圧電源に接続されている。The center electrode 2 is made of nickel alloy, tungsten alloy, etc.
It is set back several mm from 2. Further, the rear end portion 22 is connected to a negative high voltage power source (not shown).
絶縁体３は、アルミナ（Ａρ２０．）を主体とするセラ
ミック焼結体製で、絶縁体３の先端面３２は前記係止面
１２のテーパと同等のテーバ角を有する傾斜面となって
いる。絶縁体３の先端部３５の外周は、中間部３６の外
周よりテーパ面３３を介してやや径小（１，５ｍｍ〜３
．５１ＴＩＩＴｌ）に形成され、先端部３５の内周は円
錐台形状の凹状部３４となっている。The insulator 3 is made of a ceramic sintered body mainly composed of alumina (Aρ20.), and the tip surface 32 of the insulator 3 is an inclined surface having a Taper angle equivalent to the taper of the locking surface 12. The outer periphery of the tip 35 of the insulator 3 is slightly smaller in diameter (1.5 mm to 3 mm) via the tapered surface 33 than the outer periphery of the intermediate portion 36.
．． 51TIITl), and the inner periphery of the tip portion 35 is a concave portion 34 in the shape of a truncated cone.
本実施例では、前記絶縁体３の先端部３５の肉厚は、薄
い方が背後電極効果が高まり、プラグの放電電圧の低減
が図れるが、あまり薄くすると、絶縁破壊を起こすので
１．５ｍｍ〜３．５ｍｍに設定している。In this embodiment, the thickness of the tip 35 of the insulator 3 should be 1.5 mm to 1.5 mm, as the thinner the thickness, the higher the back electrode effect and the reduction of the discharge voltage of the plug, but if the thickness is too thin, dielectric breakdown will occur. It is set to 3.5mm.
発火部５は、中心電極２の先端面２１と、凹状部３４と
、貴金属板８の内周面を含む接地電極１３との間で形成
される一端開口の空間により構成される。スパークが絶
縁体３の沿面放電間隙３１に沿って飛ぶと、その空間内
の空気が爆発的に膨張し、開口１８より火花がプラズマ
状に放出される。The firing section 5 is constituted by a space with an opening at one end formed between the distal end surface 21 of the center electrode 2, the concave portion 34, and the ground electrode 13 including the inner peripheral surface of the noble metal plate 8. When the spark flies along the creeping discharge gap 31 of the insulator 3, the air in that space expands explosively, and the spark is emitted from the opening 18 in the form of plasma.
導電性被膜４は、酸化銅Ｉに酸化鉄■を添加して水を加
えて泥しようとして、絶縁体３の先端部３５後端から絶
縁体３の先端面３２を除く先端部外周面３ａに、塗布し
乾燥後、焼結して形成している。この導電性被膜４は、
表面触針法で１００にΩ以下の電気抵抗を有している。The conductive coating 4 is formed by adding iron oxide (2) to copper oxide I and adding water to form a coating on the outer circumferential surface 3a of the insulator 3 from the rear end of the tip 35 of the insulator 3 except for the tip surface 32 of the insulator 3. After coating and drying, it is formed by sintering. This conductive film 4 is
It has an electrical resistance of 100Ω or less when measured by the surface stylus method.
これは、これ以上の抵抗値であると背後電極効果が有効
に作用しないためである。This is because if the resistance value is higher than this, the back electrode effect will not work effectively.
スパークが沿面放電間隙３１に沿って飛ぶと、開口１８
内の空気が爆発的に膨張し、火花がプラズマ状に突き出
されることにより、混合気に点火させている。ここで、
発火部５は、高電圧（２０ｋＶ〜３０ｋＶ）と、電気エ
ネルギー（１ジユール〜４ジユール）に晒されるため、
火花放電面５１は放電エネルギーにより、電極の溶融蒸
発が起き、時間が経過するに従い消耗が進行して（る。When the spark flies along the creeping discharge gap 31, the opening 18
The air inside expands explosively and a spark is ejected in the form of plasma, igniting the air-fuel mixture. here,
Since the ignition part 5 is exposed to high voltage (20 kV to 30 kV) and electrical energy (1 joule to 4 joules),
The spark discharge surface 51 undergoes melting and evaporation of the electrodes due to the discharge energy, and wear progresses as time passes.
この進行は、スパーク数、電気エネルギーに比例するが
、放電電圧は背後電極効果により沿面放電間隙３１の増
大レートに比べて、ゆるやかな上昇であるので、本発明
により、長時間の使用が可能となる。This progress is proportional to the number of sparks and electrical energy, but the discharge voltage increases more slowly than the increase rate of the creeping discharge gap 31 due to the back electrode effect, so the present invention allows long-term use. Become.
本発明を施すことにより、空燃比が大きい高気圧下にお
いても、放電電圧の低下を図ることができ、α作用（電
極表面の酸化層の生成）とβ作用（ｌｌｉ！２化層の破
壊）による電極消耗を仰制する。By applying the present invention, it is possible to reduce the discharge voltage even under high pressure with a large air-fuel ratio, and the discharge voltage can be reduced by the α effect (generation of an oxide layer on the electrode surface) and the β effect (destruction of the lli!2 layer). Don't worry about electrode consumption.
本発明によって生じる放電電圧の低下分を一部沿面放電
間隙の伸長に振り向けることにより着火性の向上も同時
に図れる。By allocating a portion of the reduction in discharge voltage caused by the present invention to the elongation of the creeping discharge gap, it is possible to simultaneously improve ignitability.
本発明は上記実施例以外に次の実施態様を含む。The present invention includes the following embodiments in addition to the above embodiments.
ａ、導電性被膜４の形成方法は金属の粉末または金属箔
を破着して焼き付けてもよく、拡散焼付しても良い。a. The conductive coating 4 may be formed by breaking and baking metal powder or metal foil, or by diffusion baking.
ｂ、導電性被膜４は以下に挙げるものを使用しても良い
、■酸化物・・・酸化バナジウム、酸化ニオブ、二酸化
チタン、二酸化マンガン、酸化コバルト■、酸化クロム
■窒化物・・・窒化チタン■炭化物・・・炭化珪素、炭
化タングステン、炭化クロム、炭化モリブデン
伝水発明は、冷却空気流路を設りない重両用プラグにも
適用しても良い。b. The conductive film 4 may be made of the following: ■Oxide: vanadium oxide, niobium oxide, titanium dioxide, manganese dioxide, cobalt oxide■, chromium oxide ■Nitride: titanium nitride ■Carbide: silicon carbide, tungsten carbide, chromium carbide, molybdenum carbide The water transmission invention may also be applied to a heavy-duty plug that does not have a cooling air flow path.
ｄ、係止面１２は平坦面であっても良く、係止面１２に
は貴金属板８が省略されていても良い。d. The locking surface 12 may be a flat surface, and the precious metal plate 8 may be omitted from the locking surface 12.
第１図及び第２図は本発明の引込みギヤツブ型イグナイ
タプラグの第１実施例を示し、第り図はその要部断面図
、第２図はその断面図である。
第３図は従来のイグナイタプラグの要部断面図である。
図中 １・・・主体金具 ２・・・中心電極 ３・・・
筒状絶縁体 ４・・・導電性成ｉ １１・・・先端部
１２・・・係止面 ３ａ・・・先端部外周面 ３１・
・・沿面放電間隙 ３２・・・先端面 Ｈ・・・引込み
ギヤツブ型イグナイタプラグFIGS. 1 and 2 show a first embodiment of a retractable gear type igniter plug of the present invention, FIG. 1 is a sectional view of a main part thereof, and FIG. FIG. 3 is a sectional view of a main part of a conventional igniter plug. In the figure 1... Metal shell 2... Center electrode 3...
Cylindrical insulator 4... Conductive material i 11... Tip part 12... Locking surface 3a... Tip part outer peripheral surface 31.
... Creeping discharge gap 32 ... Tip surface H ... Retractable gear lug type igniter plug
Claims (1)
状の主体金具と、 前記係止面に当接した先端面を有し、主体金具内に固定
された筒状絶縁体と、 該絶縁体内に嵌め込まれるとともに、先端面が絶縁体の
先端面から引つ込んでいる中心電極とを備えたイグナイ
タプラグにおいて、 前記先端面を除く絶縁体の先端部外周面に、導電性被膜
を形成したことを特徴とする引込みギャップ型イグナイ
タプラグ。[Scope of Claims] 1) A cylindrical metal shell whose tip inner periphery is reduced in diameter through an annular locking surface; An igniter plug comprising a fixed cylindrical insulator and a center electrode that is fitted into the insulator and has a tip surface recessed from the tip surface of the insulator, the tip of the insulator excluding the tip surface. A retractable gap type igniter plug characterized by having a conductive film formed on its outer peripheral surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11567788A JPH01286282A (en) | 1988-05-12 | 1988-05-12 | Lead-in gap type igniter plug |
| BR8902567A BR8902567A (en) | 1988-05-12 | 1989-05-11 | INDOOR CANDLE CLEARING CLEARANCE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11567788A JPH01286282A (en) | 1988-05-12 | 1988-05-12 | Lead-in gap type igniter plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01286282A true JPH01286282A (en) | 1989-11-17 |
Family
ID=14668552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11567788A Pending JPH01286282A (en) | 1988-05-12 | 1988-05-12 | Lead-in gap type igniter plug |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH01286282A (en) |
| BR (1) | BR8902567A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008186743A (en) * | 2007-01-31 | 2008-08-14 | Denso Corp | Plasma type ignition device |
| JP2010170996A (en) * | 2008-12-26 | 2010-08-05 | Ngk Spark Plug Co Ltd | Ignition plug and ignition system |
| JP4859846B2 (en) * | 2005-01-26 | 2012-01-25 | ルノー・エス・アー・エス | Plasma generation plug |
| JP2013016420A (en) * | 2011-07-06 | 2013-01-24 | Ngk Spark Plug Co Ltd | Igniter plug and manufacturing method of the same |
-
1988
- 1988-05-12 JP JP11567788A patent/JPH01286282A/en active Pending
-
1989
- 1989-05-11 BR BR8902567A patent/BR8902567A/en unknown
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4859846B2 (en) * | 2005-01-26 | 2012-01-25 | ルノー・エス・アー・エス | Plasma generation plug |
| JP2008186743A (en) * | 2007-01-31 | 2008-08-14 | Denso Corp | Plasma type ignition device |
| JP2010170996A (en) * | 2008-12-26 | 2010-08-05 | Ngk Spark Plug Co Ltd | Ignition plug and ignition system |
| JP2013016420A (en) * | 2011-07-06 | 2013-01-24 | Ngk Spark Plug Co Ltd | Igniter plug and manufacturing method of the same |
| US8796909B2 (en) | 2011-07-06 | 2014-08-05 | Ngk Spark Plug Co., Ltd. | Igniter plug with cooling fluid and method of manufacturing igniter plug |
Also Published As
| Publication number | Publication date |
|---|---|
| BR8902567A (en) | 1990-01-23 |
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