GB674573A - Improvements in sparking plugs for internal combustion engines - Google Patents
Improvements in sparking plugs for internal combustion enginesInfo
- Publication number
- GB674573A GB674573A GB18062/50A GB1806250A GB674573A GB 674573 A GB674573 A GB 674573A GB 18062/50 A GB18062/50 A GB 18062/50A GB 1806250 A GB1806250 A GB 1806250A GB 674573 A GB674573 A GB 674573A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plug
- earthed
- electrode
- sparking
- bore
- 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
- H01T13/46—Sparking plugs having two or more spark gaps
- H01T13/467—Sparking plugs having two or more spark gaps in parallel connection
Landscapes
- Spark Plugs (AREA)
Abstract
674,573. Sparking plugs. TALALMANYOKAT ERTEKESITO N.V. July 19, 1950 [July 20, 1949], No. 18062/50. Class 7(iv) In a sparking plug comprising a body 1, Fig. 1, an insulated centre electrode 5. an earthed electrode 17a, 17b, carried bv the body 1 and a parallel-sided slot formed in the active surface of at least one of the electrodes, such as that formed between the two earthed elec. trodes 17a, 17b, the width of the slot is arranged to bE smaller than the length of the spark gap. The plug body 1 has a bi-conica: bore 3, and the centre electrode 5 extends upwardly from the throat o: the bore into a terminal 4 pro vided with cooling fins 10. A vitreous silica tube 6, which abuts the termina 4 and the lower part 1 of the plug body and has pack ing rings 8 inter posed therebetween, surrounds, but is spaced from he middle portion of the centre electrode 5 whilst the assembly is held together by a loop member 12 pivotally mounted in the part 1 and urging an insulating member 11 into contact with the terminal 4; the loop member 12 may be adjusted by a screw 13. Across the bottom of the bore 3 is arranged the two earthed electrodes 17a, 17b, so that during the compression stroke combustible mixture from the cylinder enters the member 6 and during the expansion stroke the combustion products issue at great velocity and thereby remove any oil drops between the rods 17a a and 17b. In a modification, as applied to a screened plug the loop member is dispensed with and the centre electrode 18, Fig. 4, is mounted in a mica ring 19 located between two tubular members 20 and 21 of transparent material, such as quartz whilst the earthed electrode is made up of four parts 22a, 22d, Fig 5, separated by spaces 0 each part embodying a slot 23 which is smaller than the length of the sparking gap x, Fig. 4. The plug shell 29 incorporates openings which are covered by wire gauze to enable the flame to be viewed. In another modification, both electrodes are slotted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU674573X | 1949-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB674573A true GB674573A (en) | 1952-06-25 |
Family
ID=10979948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18062/50A Expired GB674573A (en) | 1949-07-20 | 1950-07-19 | Improvements in sparking plugs for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB674573A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2269422A (en) * | 1992-08-08 | 1994-02-09 | Johny Chen | Spark plug electrode formation. |
-
1950
- 1950-07-19 GB GB18062/50A patent/GB674573A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2269422A (en) * | 1992-08-08 | 1994-02-09 | Johny Chen | Spark plug electrode formation. |
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