FR522849A - Bougies d'allumage - Google Patents
Bougies d'allumageInfo
- Publication number
- FR522849A FR522849A FR522849A FR522849DA FR522849A FR 522849 A FR522849 A FR 522849A FR 522849 A FR522849 A FR 522849A FR 522849D A FR522849D A FR 522849DA FR 522849 A FR522849 A FR 522849A
- Authority
- FR
- France
- Prior art keywords
- spark plugs
- spark
- plugs
- 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
- H01T13/36—Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement
-
- 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
- H01T13/38—Selection of materials for insulation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US339830A US1386883A (en) | 1919-11-22 | 1919-11-22 | Spark-plug |
Publications (1)
Publication Number | Publication Date |
---|---|
FR522849A true FR522849A (fr) | 1921-08-06 |
Family
ID=23330793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR522849A Expired FR522849A (fr) | 1919-11-22 | 1920-08-25 | Bougies d'allumage |
Country Status (2)
Country | Link |
---|---|
US (1) | US1386883A (fr) |
FR (1) | FR522849A (fr) |
-
1919
- 1919-11-22 US US339830A patent/US1386883A/en not_active Expired - Lifetime
-
1920
- 1920-08-25 FR FR522849A patent/FR522849A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1386883A (en) | 1921-08-09 |
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