JP6623200B2 - スパークプラグ - Google Patents
スパークプラグ Download PDFInfo
- Publication number
- JP6623200B2 JP6623200B2 JP2017198976A JP2017198976A JP6623200B2 JP 6623200 B2 JP6623200 B2 JP 6623200B2 JP 2017198976 A JP2017198976 A JP 2017198976A JP 2017198976 A JP2017198976 A JP 2017198976A JP 6623200 B2 JP6623200 B2 JP 6623200B2
- Authority
- JP
- Japan
- Prior art keywords
- insulator
- resistor
- spark plug
- interface
- center 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.)
- Active
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- 239000012212 insulator Substances 0.000 claims description 90
- 229910052751 metal Inorganic materials 0.000 claims description 31
- 239000002184 metal Substances 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 22
- 239000011148 porous material Substances 0.000 claims description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 description 35
- 239000002994 raw material Substances 0.000 description 17
- 230000020169 heat generation Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 239000004020 conductor Substances 0.000 description 9
- 239000011521 glass Substances 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910052761 rare earth metal Inorganic materials 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 5
- 239000007769 metal material Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000011162 core material Substances 0.000 description 3
- 150000002484 inorganic compounds Chemical class 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 229910052769 Ytterbium Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000002500 effect on skin Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 238000004949 mass spectrometry Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- 238000007088 Archimedes method Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910026551 ZrC Inorganic materials 0.000 description 1
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
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
- H01T13/40—Sparking plugs structurally combined with other devices
- H01T13/41—Sparking plugs structurally combined with other devices with interference suppressing or shielding means
-
- 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
- H01T13/02—Details
- H01T13/08—Mounting, fixing or sealing of sparking plugs, e.g. in combustion chamber
-
- 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
- H01T13/38—Selection of materials for 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
- H01T13/40—Sparking plugs structurally combined with other devices
-
- 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
- H01T21/00—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
- H01T21/02—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs of sparking plugs
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Spark Plugs (AREA)
Description
2点:寿命時間が150時間以上200時間未満
3〜9点:寿命時間が200時間以上550時間未満(寿命時間が200時間以上250時間未満のものは3点とし、50時間毎に1点ずつ加点した)
10点:寿命時間が550時間以上
点数が高い方が、寿命時間が長く、耐久性が優れていることを示している。
11 絶縁体
12 内周面
14 外周面
15 中心電極
18 端子金具
19 主体金具
21 おねじ
24 抵抗体
28 境界線
30 部分境界線
31 点
32 回帰直線
P 距離
Claims (4)
- 先端側から後端側へと軸線に沿って延びる軸孔を有する絶縁体と、
前記軸孔の先端側に配置される中心電極と、
前記軸孔の後端側に配置される端子金具と、
前記軸孔内の前記端子金具と前記中心電極との間に配置され前記端子金具および前記中心電極に電気的に接続される抵抗体と、を備えるスパークプラグであって、
前記抵抗体は、前記絶縁体の内周面に接触しており、
前記軸線に沿って前記軸線を含むように切断した断面において、前記絶縁体と前記抵抗体との境界線のうち前記軸線の方向の任意の範囲内における部分境界線上に、軸線方向に所定の間隔で複数の点をプロットし、前記複数の点を用いて最小二乗法により回帰直線を引いたとき、前記回帰直線に対して垂直な方向における前記回帰直線と前記部分境界線との距離の平均値が0.1〜0.3μmであるスパークプラグ。 - 前記絶縁体は相対密度が94〜98%であり、直径10μm以上の気孔の割合が0.5%以下である請求項1記載のスパークプラグ。
- 前記絶縁体は、アルミナを94wt%以上含有する請求項1又は2に記載のスパークプラグ。
- 前記絶縁体の外周面に配置されると共に自身の外周面におねじが形成される筒状の主体金具を備え、
前記おねじは、呼び径が12mm以下である請求項1から3のいずれかに記載のスパークプラグ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017198976A JP6623200B2 (ja) | 2017-10-13 | 2017-10-13 | スパークプラグ |
US16/156,337 US10340667B2 (en) | 2017-10-13 | 2018-10-10 | Spark plug |
CN201811182707.3A CN109672089B (zh) | 2017-10-13 | 2018-10-11 | 火花塞 |
DE102018125302.8A DE102018125302A1 (de) | 2017-10-13 | 2018-10-12 | Zündkerze |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017198976A JP6623200B2 (ja) | 2017-10-13 | 2017-10-13 | スパークプラグ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019075216A JP2019075216A (ja) | 2019-05-16 |
JP6623200B2 true JP6623200B2 (ja) | 2019-12-18 |
Family
ID=65910460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017198976A Active JP6623200B2 (ja) | 2017-10-13 | 2017-10-13 | スパークプラグ |
Country Status (4)
Country | Link |
---|---|
US (1) | US10340667B2 (ja) |
JP (1) | JP6623200B2 (ja) |
CN (1) | CN109672089B (ja) |
DE (1) | DE102018125302A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2582744B (en) * | 2019-03-26 | 2023-08-23 | John Zink Co Llc | A flame detection and ignition device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001002465A (ja) * | 1998-08-06 | 2001-01-09 | Ngk Spark Plug Co Ltd | スパークプラグ用絶縁体及びその製造方法及びそれを備えるスパークプラグ |
JP4530380B2 (ja) * | 1999-11-29 | 2010-08-25 | 日本特殊陶業株式会社 | スパークプラグ用絶縁体及びそれを備えるスパークプラグ |
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 |
BRPI0713451A2 (pt) * | 2006-06-23 | 2012-01-31 | Federal Mogul Corp | vela de ignição |
JP4922980B2 (ja) * | 2008-03-31 | 2012-04-25 | 日本特殊陶業株式会社 | スパークプラグ |
CN102257586A (zh) * | 2009-01-13 | 2011-11-23 | 日本特殊陶业株式会社 | 火花塞 |
JP4756087B2 (ja) * | 2009-09-25 | 2011-08-24 | 日本特殊陶業株式会社 | スパークプラグ及びスパークプラグの製造方法 |
JP5728416B2 (ja) * | 2012-03-08 | 2015-06-03 | 日本特殊陶業株式会社 | スパークプラグ |
JP5715212B2 (ja) * | 2012-10-01 | 2015-05-07 | 日本特殊陶業株式会社 | 点火プラグ |
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 |
-
2017
- 2017-10-13 JP JP2017198976A patent/JP6623200B2/ja active Active
-
2018
- 2018-10-10 US US16/156,337 patent/US10340667B2/en active Active
- 2018-10-11 CN CN201811182707.3A patent/CN109672089B/zh active Active
- 2018-10-12 DE DE102018125302.8A patent/DE102018125302A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US20190115729A1 (en) | 2019-04-18 |
CN109672089A (zh) | 2019-04-23 |
DE102018125302A1 (de) | 2019-04-18 |
US10340667B2 (en) | 2019-07-02 |
JP2019075216A (ja) | 2019-05-16 |
CN109672089B (zh) | 2020-07-14 |
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