JPH0318904Y2 - - Google Patents
Info
- Publication number
- JPH0318904Y2 JPH0318904Y2 JP10001285U JP10001285U JPH0318904Y2 JP H0318904 Y2 JPH0318904 Y2 JP H0318904Y2 JP 10001285 U JP10001285 U JP 10001285U JP 10001285 U JP10001285 U JP 10001285U JP H0318904 Y2 JPH0318904 Y2 JP H0318904Y2
- Authority
- JP
- Japan
- Prior art keywords
- pressure sensor
- cylinder head
- hardness
- spark plug
- pressure
- 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
Links
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 1
- 235000019589 hardness Nutrition 0.000 description 9
- 238000005336 cracking Methods 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10001285U JPH0318904Y2 (enrdf_load_stackoverflow) | 1985-07-02 | 1985-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10001285U JPH0318904Y2 (enrdf_load_stackoverflow) | 1985-07-02 | 1985-07-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS629144U JPS629144U (enrdf_load_stackoverflow) | 1987-01-20 |
| JPH0318904Y2 true JPH0318904Y2 (enrdf_load_stackoverflow) | 1991-04-22 |
Family
ID=30969423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10001285U Expired JPH0318904Y2 (enrdf_load_stackoverflow) | 1985-07-02 | 1985-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0318904Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4530418B2 (ja) * | 2005-03-31 | 2010-08-25 | 日本特殊陶業株式会社 | 燃焼圧検知機能付スパークプラグ |
-
1985
- 1985-07-02 JP JP10001285U patent/JPH0318904Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS629144U (enrdf_load_stackoverflow) | 1987-01-20 |
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