Spark plug
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United States of America Patent
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-
Aug 16, 2022
Grant Date -
N/A
app pub date -
Dec 7, 2021
filing date -
Jun 24, 2021
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A spark plug is disclosed. A spark plug according to an exemplary embodiment of the present disclosure may include a main body including an electrode body formed with a center electrode and a moving chamber formed, wherein the moving chamber formed between the center electrode and the main body, a cap portion fixedly installed in the main body, formed with a pre-combustion chamber fluidly communicated with the moving chamber, formed with a ground electrode that is disposed to be spaced apart from the center electrode by a predetermined distance, and formed with a plurality of communication hole; a separation wall movably provided along the electrode body, and an elastic member providing an elastic force to the separation wall.
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