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SPARK PLUG WITH GROUND ELECTRODE IN A RECESS ON HOUSING END SIDE

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اقرأ أكثر حفظ في قائمتي
  • Publication Date:
    February 6, 2025
  • معلومة اضافية
    • Document Number:
      20250047077
    • Appl. No:
      18/716179
    • Application Filed:
      November 28, 2022
    • نبذة مختصرة :
      A spark plug with a longitudinal axis. The spark plug includes a housing with a hole along the spark plug longitudinal axis and a combustion-chamber-side end side, wherein the housing has a recess on the end side thereof; an insulator arranged inside the housing; a central electrode arranged inside the insulator; and a ground electrode arranged in one of the recesses on the housing end side; wherein the ground electrode and the central electrode are arranged such that an ignition gap is formed within the housing.
    • Claim:
      1-9. (canceled)
    • Claim:
      10. A spark plug with a longitudinal axis, comprising: a housing with a hole along the spark plug longitudinal axis and a combustion-chamber-side end side, wherein the housing has a recess on the combustion-chamber-side end side of the housing; an insulator arranged inside the housing; a central electrode arranged inside the insulator; and a ground electrode arranged in the recess on the combustion-chamber-side end side of the housing; wherein the ground electrode and the central electrode are arranged such that an ignition gap is formed within the housing.
    • Claim:
      11. The spark plug according to claim 10, wherein the recess is a rectangular notch.
    • Claim:
      12. The spark plug according to claim 11, wherein the combustion-chamber-side end side of the housing has a wave contour, a wave trough being the recess in which the ground electrode is arranged.
    • Claim:
      13. The spark plug according to claim 11, wherein the recess has a depth T, wherein: (i) T=0.1 mm or greater, and/or (ii) T=15 mm or less.
    • Claim:
      14. The spark plug according to claim 10, wherein the combustion-chamber-side end side of the housing includes two or more recesses, the ground electrode being arranged in one on the recesses.
    • Claim:
      15. The spark plug according to claim 14, wherein two of the recesses are arranged opposite one another or at an angle of 100°-80° relative to one another.
    • Claim:
      16. The spark plug according to claim 10, wherein: (i) the ground electrode is formed as a roof electrode and forms an axial ignition gap with the central electrode, or (ii) the ground electrode is formed as a side electrode and forms a radial ignition gap with the central electrode.
    • Claim:
      17. The spark plug according to claim 10, wherein the ignition gap is not greater than 0.5 mm.
    • Claim:
      18. The spark plug according to claim 10, wherein the spark plug is a hydrogen spark plug which is configured to be used in an engine operated with hydrogen and to ignite an ignitable hydrogen-containing fuel-air mixture.
    • Current International Class:
      01; 01
    • الرقم المعرف:
      edspap.20250047077