JP6291110B1 - スパークプラグ - Google Patents
スパークプラグ Download PDFInfo
- Publication number
- JP6291110B1 JP6291110B1 JP2017096942A JP2017096942A JP6291110B1 JP 6291110 B1 JP6291110 B1 JP 6291110B1 JP 2017096942 A JP2017096942 A JP 2017096942A JP 2017096942 A JP2017096942 A JP 2017096942A JP 6291110 B1 JP6291110 B1 JP 6291110B1
- Authority
- JP
- Japan
- Prior art keywords
- end side
- spark plug
- rear end
- insulator
- screw
- 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
Links
- 239000012212 insulator Substances 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 41
- 230000004323 axial length Effects 0.000 claims abstract description 3
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 14
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 32
- 238000002485 combustion reaction Methods 0.000 description 18
- 238000012856 packing Methods 0.000 description 7
- 239000000945 filler Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 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 1
- 238000005452 bending Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer 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
- H01T13/02—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
- H01T13/02—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
- H01T13/36—Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Spark Plugs (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
Description
試験者は、ねじ部44のうち棚部45より後端側の部分64の軸線O方向の長さM、及び、谷底65の部分の肉厚Tの異なる種々のスパークプラグのサンプルを準備した。1つの条件について4本のサンプルを準備した。なお、各サンプルは、各部の寸法が異なる点を除き、図1で説明したスパークプラグ10と同様である。各サンプルは、ねじ部44の呼び径を8mm、谷底65から軸線Oに対して垂直な方向に切断したときの断面積を13.5mm2、ねじ部44の軸線O方向の長さLを24.5mmとした。
試験者は、ねじ部44のうち棚部45より後端側の部分64の谷底65から軸線Oに対して垂直な方向に切断したときの断面積、及び、ねじ部44の長さLの異なる種々のサンプルを準備した。なお、各サンプルは、各部の寸法が異なる点を除き、図1で説明したスパークプラグ10と同様である。各サンプルは、ねじ部44の呼び径を8mm、ねじ部44のうち棚部45より後端側の部分64の長さMを10mmとした。
試験者は、ねじ部44の軸線O方向の長さLの異なる種々のスパークプラグのサンプルを準備した。1つの条件について4本のサンプルを準備した。なお、各サンプルは、各部の寸法が異なる点を除き、図1で説明したスパークプラグ10と同様である。各サンプルは、ねじ部44の呼び径を8mm、ねじ部44のうち棚部45より後端側の部分64の軸線O方向の長さMを10mm、谷底65の部分の肉厚Tを1.1mm、谷底65から軸線Oに対して垂直な方向に切断したときの断面積を13.5mm2とした。
11 絶縁体
17 係止部
40 主体金具
44 ねじ部
45 棚部
50 パッキン(他部材)
64 部分
65 谷底
O 軸線
Claims (2)
- 先端側から後端側へと軸線方向に延び、径方向の外側に張り出した係止部を備える絶縁体と、
前記絶縁体の外周に配置されると共に、径方向の内側に突出し前記係止部を先端側から直接または他部材を介して係止する棚部、及び、外周面に形成されるねじ部を備える筒状の主体金具と、を備えるスパークプラグであって、
前記ねじ部の呼び径が8mmであり、
前記ねじ部のうち前記棚部よりも後端側の部分は、ねじの軸線方向の長さが10mm以上であり、谷底の肉厚が1.1mm以下であり、谷底から軸線に対して垂直な方向に切断したときの断面積が13mm2以上であるスパークプラグ。 - 前記ねじ部の軸線方向の長さは24.5mm以上である請求項1記載のスパークプラグ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017096942A JP6291110B1 (ja) | 2017-05-16 | 2017-05-16 | スパークプラグ |
PCT/JP2017/044472 WO2018211728A1 (ja) | 2017-05-16 | 2017-12-12 | スパークプラグ |
DE112017007557.2T DE112017007557T5 (de) | 2017-05-16 | 2017-12-12 | Zündkerze |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017096942A JP6291110B1 (ja) | 2017-05-16 | 2017-05-16 | スパークプラグ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6291110B1 true JP6291110B1 (ja) | 2018-03-14 |
JP2018195412A JP2018195412A (ja) | 2018-12-06 |
Family
ID=61628634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017096942A Active JP6291110B1 (ja) | 2017-05-16 | 2017-05-16 | スパークプラグ |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6291110B1 (ja) |
DE (1) | DE112017007557T5 (ja) |
WO (1) | WO2018211728A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62176994U (ja) * | 1986-04-30 | 1987-11-10 | ||
JPH11273827A (ja) * | 1998-03-18 | 1999-10-08 | Ngk Spark Plug Co Ltd | スパークプラグ |
-
2017
- 2017-05-16 JP JP2017096942A patent/JP6291110B1/ja active Active
- 2017-12-12 DE DE112017007557.2T patent/DE112017007557T5/de active Pending
- 2017-12-12 WO PCT/JP2017/044472 patent/WO2018211728A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62176994U (ja) * | 1986-04-30 | 1987-11-10 | ||
JPH11273827A (ja) * | 1998-03-18 | 1999-10-08 | Ngk Spark Plug Co Ltd | スパークプラグ |
Also Published As
Publication number | Publication date |
---|---|
WO2018211728A1 (ja) | 2018-11-22 |
DE112017007557T5 (de) | 2020-01-30 |
JP2018195412A (ja) | 2018-12-06 |
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