GB212635A - Improvements in and relating to spark plugs for internal combustion engines - Google Patents

Improvements in and relating to spark plugs for internal combustion engines

Info

Publication number
GB212635A
GB212635A GB3394022A GB3394022A GB212635A GB 212635 A GB212635 A GB 212635A GB 3394022 A GB3394022 A GB 3394022A GB 3394022 A GB3394022 A GB 3394022A GB 212635 A GB212635 A GB 212635A
Authority
GB
United Kingdom
Prior art keywords
area
determined
compression ratio
plugs
absolute
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
Application number
GB3394022A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BREWSTER GOLDSMITH CORP
Original Assignee
BREWSTER GOLDSMITH CORP
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BREWSTER GOLDSMITH CORP filed Critical BREWSTER GOLDSMITH CORP
Priority to GB3394022A priority Critical patent/GB212635A/en
Publication of GB212635A publication Critical patent/GB212635A/en
Expired legal-status Critical Current

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
    • H01T13/54—Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber

Landscapes

  • Combustion Methods Of Internal-Combustion Engines (AREA)

Abstract

212,635. 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 ratios of between the limits 5 to 1 and 3 to 1, volumes are specified of from 1.25 to 1.75 c. cm., and areas of from 13 to 36 sq. cm. For compression ratios between 5 to 1 and 6¢ to 1, the corresponding volumes are 1.25 and 0.50 c. cm., and the surface areas range from 15 sq. cm. to 3 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 of the surface is increased in the ratio of 1900 to 1135 beyond that determined from the above figures. The net cross-sectional orifice area is determined from the formula O = Krn 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.
GB3394022A 1922-12-12 1922-12-12 Improvements in and relating to spark plugs for internal combustion engines Expired GB212635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3394022A GB212635A (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
GB3394022A GB212635A (en) 1922-12-12 1922-12-12 Improvements in and relating to spark plugs for internal combustion engines

Publications (1)

Publication Number Publication Date
GB212635A true GB212635A (en) 1924-03-12

Family

ID=10359345

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3394022A Expired GB212635A (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) GB212635A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996001512A1 (en) * 1994-07-01 1996-01-18 Sixes And Sevens Pty. Ltd. An improved spark plug system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996001512A1 (en) * 1994-07-01 1996-01-18 Sixes And Sevens Pty. Ltd. An improved spark plug system
US5734222A (en) * 1994-07-01 1998-03-31 Sixes And Sevens Pty Ltd Spark plug system

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