JP4374146B2 - スパークプラグの評価方法及び製造方法 - Google Patents
スパークプラグの評価方法及び製造方法 Download PDFInfo
- Publication number
- JP4374146B2 JP4374146B2 JP2001055779A JP2001055779A JP4374146B2 JP 4374146 B2 JP4374146 B2 JP 4374146B2 JP 2001055779 A JP2001055779 A JP 2001055779A JP 2001055779 A JP2001055779 A JP 2001055779A JP 4374146 B2 JP4374146 B2 JP 4374146B2
- Authority
- JP
- Japan
- Prior art keywords
- tip
- electrode
- line
- discharge
- spark plug
- 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.)
- Expired - Lifetime
Links
- 238000011156 evaluation Methods 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 239000012212 insulator Substances 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- 229910000575 Ir alloy Inorganic materials 0.000 description 8
- 229910001260 Pt alloy Inorganic materials 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 210000004243 sweat Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910052741 iridium Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 229910002845 Pt–Ni Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910002835 Pt–Ir Inorganic materials 0.000 description 1
- 229910000629 Rh alloy Inorganic materials 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
- 239000004020 conductor Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001055 inconels 600 Inorganic materials 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Landscapes
- Spark Plugs (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001055779A JP4374146B2 (ja) | 2000-02-29 | 2001-02-28 | スパークプラグの評価方法及び製造方法 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-55003 | 2000-02-29 | ||
| JP2000055003 | 2000-02-29 | ||
| JP2001055779A JP4374146B2 (ja) | 2000-02-29 | 2001-02-28 | スパークプラグの評価方法及び製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001319754A JP2001319754A (ja) | 2001-11-16 |
| JP2001319754A5 JP2001319754A5 (enExample) | 2005-10-27 |
| JP4374146B2 true JP4374146B2 (ja) | 2009-12-02 |
Family
ID=26586477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001055779A Expired - Lifetime JP4374146B2 (ja) | 2000-02-29 | 2001-02-28 | スパークプラグの評価方法及び製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4374146B2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005056786A (ja) | 2003-08-07 | 2005-03-03 | Denso Corp | スパークプラグ |
-
2001
- 2001-02-28 JP JP2001055779A patent/JP4374146B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001319754A (ja) | 2001-11-16 |
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