GB212634A - Improvements in and relating to spark plugs for internal combustion engines - Google Patents
Improvements in and relating to spark plugs for internal combustion enginesInfo
- Publication number
- GB212634A GB212634A GB3393922A GB3393922A GB212634A GB 212634 A GB212634 A GB 212634A GB 3393922 A GB3393922 A GB 3393922A GB 3393922 A GB3393922 A GB 3393922A GB 212634 A GB212634 A GB 212634A
- Authority
- GB
- United Kingdom
- Prior art keywords
- area
- compression ratio
- determined
- plugs
- engines
- 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
- H01T13/02—Details
- H01T13/14—Means for self-cleaning
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
212,634. White, A. E., (Brewster Goldsmith Corporation). Dec. 12, 1922. Drawings to Specification). Sparking-plugs.-The combustion space within the inner end of a plug, the area of the surfaces which bound it, and the aperture by which it communicates with the cylinder are determined according to the compression ratio of the engine. The combustion space and area are varied approximately in inverse proportion to the compression ratio. For low-compression engines having ratios between 5 to 1 and 3 to 1, volumes are specified of from 1.2.5 to 1.75 c. cm., and areas of from 13 to 36 sq. cm. The area used in practice is the area as determined from the above figures, modified according to the heat capacity, conductivity, &c. of the materials employed. When, for example, the working temperature of the electrode is 1900‹ F. absolute, and that of self-ignition of the fuel is 1135‹ F. absolute, the area as referred to above is increased' in the ratio of 1900 to 1135. The net cross-sectional orifice area is determined from the formula O = Kr<n> where O and r represent the area and compression ratio, and K and n are constants to be determined experimentally by using plugs of differing orifice and engines of differing compression ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3393922A GB212634A (en) | 1922-12-12 | 1922-12-12 | Improvements in and relating to spark plugs for internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3393922A GB212634A (en) | 1922-12-12 | 1922-12-12 | Improvements in and relating to spark plugs for internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB212634A true GB212634A (en) | 1924-03-12 |
Family
ID=10359335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3393922A Expired GB212634A (en) | 1922-12-12 | 1922-12-12 | Improvements in and relating to spark plugs for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB212634A (en) |
-
1922
- 1922-12-12 GB GB3393922A patent/GB212634A/en not_active Expired
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