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US 2025/0038488 A1Published application
Spark plug with a sealing earth electrode
AssigneeRobert Bosch GmbH
InventorLars Menken
Life of this patent
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Abstract
A spark plug. The spark plug includes a housing; an insulator arranged within the housing; a center electrode arranged within the insulator; and an earth electrode arranged within the housing and between the housing and the insulator. The earth electrode and the center electrode are arranged such that they form a spark gap, and the spark gap is within the housing.
Claims12
1-11. (canceled)
A spark plug, comprising:
- a housing;
- an insulator arranged within the housing;
- a center electrode arranged within the insulator;
- and
- an earth electrode arranged within the housing and between the housing and the insulator;
- wherein the earth electrode and the center electrode are arranged such that they form a spark gap, and the spark gap is within the housing.
3 more elements
A production method for a spark plug, comprising the following steps:
- a) providing a pre-fitted spark plug cap with an insulator and a center electrode;
- b) providing the earth electrode;
- c) attaching the earth electrode to the spark plug cap;
- d) aligning the earth electrode and setting the spark gap;
- and
- e) fastening the earth electrode to the spark cap.
3 more elements
Dependencies are inferred from the claim text.