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US 11,637,411 B2Granted
Spark plug
AssigneesHyundai Motor Company, Kia Corporation
InventorsKiseon Sim, Soo Hyung Woo
Life of this patent
Estimating the term…
Abstract
A spark plug includes a metal body member formed of a metal material, an insulating body member provided inside the metal body member and formed of an insulating material, a pair of central electrodes provided inside the insulating body member and having different polarities, and a ground electrode extending from the metal body member between a pair of central electrodes.
Claims9
A spark plug comprising:
- a metal body member formed of a metal material;
- an insulating body member positioned inside the metal body member and formed of an insulating material;
- a pair of central electrodes positioned inside the insulating body member and having different polarities;
- and
- a ground electrode extending from the metal body member between the pair of central electrodes;
- wherein the ground electrode includes:
- a ground vertical portion extending downward from a lower end portion of the metal body member;
- and
- a ground horizontal portion extending between the pair of central electrodes from the ground vertical portion;
- and
- wherein a distance between the positive electrode and the end of the ground electrode and a distance between the negative electrode and the end of the ground electrode is shorter than a distance between the positive electrode and the negative electrode.
8 more elements
A spark plug comprising:
- a metal body member formed of a metal material, the metal body member having two ends;
- an insulating body member positioned inside the metal body member and formed of an insulating material;
- a pair of central electrodes positioned inside the insulating body member and having different polarities;
- and
- a ground electrode formed across the pair of central electrodes at both ends of the metal body member;
- wherein the ground electrode includes:
- a first ground vertical portion extending downward from one lower end of the metal body member;
- a second ground vertical portion extending downward from an other lower end of the metal body member;
- and
- a ground horizontal portion connecting the first ground vertical portion and the second ground vertical portion;
- and
- wherein a distance between the positive electrode and the ground horizontal portion and a distance between the negative electrode and the ground horizontal portion is shorter than a distance between the positive electrode and the negative electrode.
9 more elements
A spark plug comprising:
- a metal body member formed of a metal material;
- an insulating body member positioned inside the metal body member and formed of an insulating material;
- a pair of central electrodes positioned inside the insulating body member and having different polarities;
- and
- a ground electrode formed across the pair of central electrodes from the metal body member;
- wherein the ground electrode includes:
- a ground vertical portion extending downward from a lower end portion of the metal body member;
- and
- a ground horizontal portion extending from the ground vertical portion by a predetermined length;
- and
- wherein a distance between the positive electrode and the ground horizontal portion and the distance between the negative electrode and the ground horizontal portion are formed to be shorter than the distance between the positive electrode and the negative electrode.
8 more elements
Dependencies are inferred from the claim text.