JP2018166019A - 点火プラグ - Google Patents
点火プラグ Download PDFInfo
- Publication number
- JP2018166019A JP2018166019A JP2017062043A JP2017062043A JP2018166019A JP 2018166019 A JP2018166019 A JP 2018166019A JP 2017062043 A JP2017062043 A JP 2017062043A JP 2017062043 A JP2017062043 A JP 2017062043A JP 2018166019 A JP2018166019 A JP 2018166019A
- Authority
- JP
- Japan
- Prior art keywords
- insulator
- spark plug
- conductive layer
- peripheral surface
- end side
- 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.)
- Granted
Links
- 239000012212 insulator Substances 0.000 claims abstract description 113
- 230000002093 peripheral effect Effects 0.000 claims abstract description 58
- 239000002184 metal Substances 0.000 claims description 49
- 229910052751 metal Inorganic materials 0.000 claims description 49
- 238000002485 combustion reaction Methods 0.000 description 17
- 239000000203 mixture Substances 0.000 description 10
- 239000007769 metal material Substances 0.000 description 7
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 238000010304 firing Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000007740 vapor deposition Methods 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
- H01T13/20—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
- H01T13/02—Details
-
- 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
- H01T13/04—Means providing electrical connection to sparking plugs
-
- 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
- H01T13/39—Selection of materials for electrodes
-
- 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
- H01T13/50—Sparking plugs having means for ionisation of gap
-
- 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
- H01T13/52—Sparking plugs characterised by a discharge along a surface
Landscapes
- Spark Plugs (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
Description
20,61,71 絶縁体
21 先端
22 後端
25 内周面
27,72 先端部(部位)
30 主体金具
37 棚部
40,63,74 導電層
50,90 端子金具(端子)
64,80 受熱部材(部材)
65,83 先端
O 軸線
Claims (6)
- 先端側から後端側へと軸線に沿って延び、先端が閉じた有底筒状の絶縁体と、
径方向内側へ張り出し、前記絶縁体を先端側から係止する棚部を備え、前記絶縁体を外周側から保持する筒状の主体金具と、を備える点火プラグであって、
前記絶縁体のうち前記棚部に係止される係止部よりも先端側の部位の内周面の少なくとも一部を覆う導電層と、
前記導電層に電気的に接続されると共に前記主体金具と絶縁される端子と、を備える点火プラグ。 - 前記導電層は、前記内周面のうち少なくとも前記先端を覆う請求項1記載の点火プラグ。
- 前記導電層は、前記内周面の全てを覆う請求項1又は2に記載の点火プラグ。
- 前記絶縁体の内側に挿入された熱伝導性をもつ部材を備え、
前記部材の先端は、前記係止部よりも先端側に位置する請求項1から3のいずれかに記載の点火プラグ。 - 前記部材は、前記絶縁体のうち前記係止部の先端よりも後端側の部分に一部が接している請求項4に記載の点火プラグ。
- 前記部材は、前記係止部よりも先端側の少なくとも一部と接触している請求項4又は5に記載の点火プラグ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017062043A JP6503397B2 (ja) | 2017-03-28 | 2017-03-28 | 点火プラグ |
US15/927,533 US10090648B1 (en) | 2017-03-28 | 2018-03-21 | Spark plug |
EP18163686.1A EP3382829B1 (en) | 2017-03-28 | 2018-03-23 | Spark plug |
CN201810251264.2A CN108666870B (zh) | 2017-03-28 | 2018-03-26 | 火花塞 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017062043A JP6503397B2 (ja) | 2017-03-28 | 2017-03-28 | 点火プラグ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018166019A true JP2018166019A (ja) | 2018-10-25 |
JP6503397B2 JP6503397B2 (ja) | 2019-04-17 |
Family
ID=61768089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017062043A Active JP6503397B2 (ja) | 2017-03-28 | 2017-03-28 | 点火プラグ |
Country Status (4)
Country | Link |
---|---|
US (1) | US10090648B1 (ja) |
EP (1) | EP3382829B1 (ja) |
JP (1) | JP6503397B2 (ja) |
CN (1) | CN108666870B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11022086B2 (en) * | 2018-10-19 | 2021-06-01 | Tenneco Inc. | Optimized barrier discharge device for corona ignition |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008529229A (ja) * | 2005-01-26 | 2008-07-31 | ルノー・エス・アー・エス | プラズマ発生プラグ |
JP2017010699A (ja) * | 2015-06-19 | 2017-01-12 | 日本特殊陶業株式会社 | 点火プラグおよび点火装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1563205A (en) * | 1975-12-05 | 1980-03-19 | Ass Eng Ltd | Ignition devices |
JPS5620929A (en) * | 1979-07-30 | 1981-02-27 | Ngk Spark Plug Co Ltd | Glow plug heating element and its manufacture |
US5210458A (en) * | 1989-03-06 | 1993-05-11 | Mcdougal John A | Spark plug |
US5405280A (en) * | 1994-02-28 | 1995-04-11 | General Motors Corporation | Integrated molding and inking process for forming a torch jet spark plug |
US6557508B2 (en) * | 2000-12-18 | 2003-05-06 | Savage Enterprises, Inc. | Robust torch jet spark plug electrode |
US8278808B2 (en) * | 2006-02-13 | 2012-10-02 | Federal-Mogul Worldwide, Inc. | Metallic insulator coating for high capacity spark plug |
JP5385427B2 (ja) * | 2011-08-04 | 2014-01-08 | 日本特殊陶業株式会社 | 点火プラグ、及び、点火装置 |
JP5820313B2 (ja) | 2012-03-07 | 2015-11-24 | 日本特殊陶業株式会社 | 点火プラグ及び点火システム |
JP6025283B2 (ja) | 2012-07-24 | 2016-11-16 | 株式会社デンソー | 点火装置 |
JP5901459B2 (ja) | 2012-07-25 | 2016-04-13 | 株式会社デンソー | 点火装置 |
JP5719419B2 (ja) | 2013-01-31 | 2015-05-20 | 日本特殊陶業株式会社 | 点火プラグ及びその製造方法 |
CN104779524A (zh) * | 2014-12-30 | 2015-07-15 | 大连理工大学 | 一种用于内燃机的介质阻挡放电非平衡等离子体火花塞 |
JP6348546B2 (ja) * | 2016-08-03 | 2018-06-27 | 日本特殊陶業株式会社 | 点火プラグ及び点火装置 |
-
2017
- 2017-03-28 JP JP2017062043A patent/JP6503397B2/ja active Active
-
2018
- 2018-03-21 US US15/927,533 patent/US10090648B1/en active Active
- 2018-03-23 EP EP18163686.1A patent/EP3382829B1/en active Active
- 2018-03-26 CN CN201810251264.2A patent/CN108666870B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008529229A (ja) * | 2005-01-26 | 2008-07-31 | ルノー・エス・アー・エス | プラズマ発生プラグ |
JP2017010699A (ja) * | 2015-06-19 | 2017-01-12 | 日本特殊陶業株式会社 | 点火プラグおよび点火装置 |
Also Published As
Publication number | Publication date |
---|---|
US20180287350A1 (en) | 2018-10-04 |
CN108666870A (zh) | 2018-10-16 |
US10090648B1 (en) | 2018-10-02 |
JP6503397B2 (ja) | 2019-04-17 |
EP3382829A1 (en) | 2018-10-03 |
EP3382829B1 (en) | 2020-09-09 |
CN108666870B (zh) | 2020-08-04 |
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