JP6559740B2 - スパークプラグ - Google Patents
スパークプラグ Download PDFInfo
- Publication number
- JP6559740B2 JP6559740B2 JP2017136752A JP2017136752A JP6559740B2 JP 6559740 B2 JP6559740 B2 JP 6559740B2 JP 2017136752 A JP2017136752 A JP 2017136752A JP 2017136752 A JP2017136752 A JP 2017136752A JP 6559740 B2 JP6559740 B2 JP 6559740B2
- Authority
- JP
- Japan
- Prior art keywords
- insulator
- tip
- center electrode
- metal shell
- rear end
- 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 82
- 229910052751 metal Inorganic materials 0.000 claims description 68
- 239000002184 metal Substances 0.000 claims description 68
- 239000004020 conductor Substances 0.000 claims description 51
- 230000002093 peripheral effect Effects 0.000 claims description 49
- 239000000945 filler Substances 0.000 claims description 12
- 239000000567 combustion gas Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 description 33
- 230000017525 heat dissipation Effects 0.000 description 13
- 239000002994 raw material Substances 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 230000003071 parasitic effect Effects 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 10
- 239000011521 glass Substances 0.000 description 10
- 238000012856 packing Methods 0.000 description 9
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000005452 bending Methods 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
- 230000006866 deterioration Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 150000002484 inorganic compounds Chemical class 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910006404 SnO 2 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
- 229910026551 ZrC Inorganic materials 0.000 description 1
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004568 cement Substances 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
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 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
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229910052718 tin 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
- H01T13/02—Details
- H01T13/16—Means for dissipating heat
-
- 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
-
- 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
- H01T13/36—Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement
Landscapes
- Spark Plugs (AREA)
Description
20 絶縁体
22 係止部
24 凹部
27 軸孔
28 段部
40 中心電極
43 接続部
44 第1導電体
45 抵抗体
46 第2導電体
47 端子金具
50 主体金具
53 棚部
54 棚部の後端面
61 凹部の先端
62 底部
63 底部の先端
64 中心電極と接触する部分の先端
66 係止部の先端
67 外周面
68 燃焼ガスに晒される面
71 充填材
O 軸線
Claims (3)
- 先端側から後端側へと軸線方向に延びる軸孔が形成される絶縁体と、
前記軸孔の先端側に少なくとも一部が挿入された中心電極と、
前記軸孔の後端側に少なくとも一部が挿入された端子金具と、
前記端子金具と前記中心電極とを前記軸孔内で接続する接続部と、
前記絶縁体の外周に配置される筒状の主体金具と、を備え、
前記主体金具は、内周側に張り出した棚部を有し、
前記絶縁体は、前記棚部の後端面に接触する係止部を有し、前記係止部よりも自身の後端側の外周面であり、前記主体金具内に配置される外周面に、径方向の内側へ凹む凹部が形成されたスパークプラグであって、
前記絶縁体は、前記凹部の先端から前記係止部の先端までの外周面の面積が、燃焼ガスに晒される面の面積よりも大きいか同じであるスパークプラグ。 - 前記接続部は、前記中心電極に接触する第1導電体と、前記第1導電体に接触する抵抗体と、前記抵抗体および前記端子金具に接触する第2導電体と、を備え、
前記絶縁体は、前記軸孔の内部で前記中心電極を先端側から係止する段部を備え、
前記段部のうち前記中心電極と接触する部分の先端は、前記凹部のうち径方向の内側の底部の先端よりも後端側に位置する請求項1記載のスパークプラグ。 - 前記絶縁体の外周面のうち前記係止部の先端から前記凹部の先端までの部分の少なくとも一部と前記主体金具との間に、充填材が充填されている請求項1又は2に記載のスパークプラグ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017136752A JP6559740B2 (ja) | 2017-07-13 | 2017-07-13 | スパークプラグ |
US16/031,463 US10211604B2 (en) | 2017-07-13 | 2018-07-10 | Spark plug |
DE102018116942.6A DE102018116942B4 (de) | 2017-07-13 | 2018-07-12 | Zündkerze |
CN201810769390.7A CN109256678B (zh) | 2017-07-13 | 2018-07-13 | 火花塞 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017136752A JP6559740B2 (ja) | 2017-07-13 | 2017-07-13 | スパークプラグ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019021430A JP2019021430A (ja) | 2019-02-07 |
JP6559740B2 true JP6559740B2 (ja) | 2019-08-14 |
Family
ID=64745254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017136752A Active JP6559740B2 (ja) | 2017-07-13 | 2017-07-13 | スパークプラグ |
Country Status (4)
Country | Link |
---|---|
US (1) | US10211604B2 (ja) |
JP (1) | JP6559740B2 (ja) |
CN (1) | CN109256678B (ja) |
DE (1) | DE102018116942B4 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6741717B2 (ja) * | 2018-04-10 | 2020-08-19 | 日本特殊陶業株式会社 | スパークプラグ |
CN115699484B (zh) * | 2020-09-16 | 2024-04-16 | 日本特殊陶业株式会社 | 火花塞 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4224554A (en) | 1978-05-20 | 1980-09-23 | Ngk Spark Plug Co., Ltd. | Spark plug having a low noise level |
JPH09330782A (ja) * | 1996-06-07 | 1997-12-22 | Ngk Spark Plug Co Ltd | スパークプラグ |
CZ301907B6 (cs) * | 2006-10-03 | 2010-07-28 | BRISK Tábor a. s. | Zapalovací svícka a zpusob zajištení vzájemné polohy telesa keramického izolátoru s pruchozí stredovou elektrodou vuci tepelne a elektricky vodivému pouzdru s bocní elektrodou zapalovací svícky |
JP4716971B2 (ja) * | 2006-10-30 | 2011-07-06 | 株式会社日本自動車部品総合研究所 | 内燃機関用スパークプラグ |
JP2008311185A (ja) | 2007-06-18 | 2008-12-25 | Nippon Soken Inc | 内燃機関用のスパークプラグ |
US8633640B2 (en) | 2008-12-25 | 2014-01-21 | Ngk Spark Plug Co., Ltd. | Spark plug |
CN101907035B (zh) * | 2010-07-30 | 2012-10-10 | 宁波大叶园林设备有限公司 | 内燃机函数波燃烧室及与点火装置的搭配 |
JP5476360B2 (ja) * | 2011-11-25 | 2014-04-23 | 日本特殊陶業株式会社 | 点火プラグ |
JP6016721B2 (ja) * | 2013-06-28 | 2016-10-26 | 日本特殊陶業株式会社 | スパークプラグ |
JP2015133243A (ja) * | 2014-01-14 | 2015-07-23 | 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 |
CN204407689U (zh) * | 2015-01-23 | 2015-06-17 | 刘伟民 | 一种高效散热的火花塞 |
JP5963908B1 (ja) | 2015-04-28 | 2016-08-03 | 日本特殊陶業株式会社 | スパークプラグ |
-
2017
- 2017-07-13 JP JP2017136752A patent/JP6559740B2/ja active Active
-
2018
- 2018-07-10 US US16/031,463 patent/US10211604B2/en active Active
- 2018-07-12 DE DE102018116942.6A patent/DE102018116942B4/de active Active
- 2018-07-13 CN CN201810769390.7A patent/CN109256678B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN109256678B (zh) | 2020-07-31 |
US20190020180A1 (en) | 2019-01-17 |
JP2019021430A (ja) | 2019-02-07 |
DE102018116942B4 (de) | 2024-08-01 |
CN109256678A (zh) | 2019-01-22 |
DE102018116942A1 (de) | 2019-01-17 |
US10211604B2 (en) | 2019-02-19 |
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