FR39148E - Spark plug improvements - Google Patents
Spark plug improvementsInfo
- Publication number
- FR39148E FR39148E FR39148DA FR39148E FR 39148 E FR39148 E FR 39148E FR 39148D A FR39148D A FR 39148DA FR 39148 E FR39148 E FR 39148E
- Authority
- FR
- France
- Prior art keywords
- spark plug
- spark
- plug
- plug improvements
- 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
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
- H01T13/32—Sparking plugs characterised by features of the electrodes or insulation characterised by features of the earthed electrode
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR39148T | 1930-10-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR39148E true FR39148E (en) | 1931-09-03 |
Family
ID=8675576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR39148D Expired FR39148E (en) | 1930-10-06 | 1930-10-06 | Spark plug improvements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR39148E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0167687A1 (en) * | 1984-07-10 | 1986-01-15 | Wen-Tu Wang | A spark plug with a ring-shaped ground electrode |
-
1930
- 1930-10-06 FR FR39148D patent/FR39148E/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0167687A1 (en) * | 1984-07-10 | 1986-01-15 | Wen-Tu Wang | A spark plug with a ring-shaped ground electrode |
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