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Combustion pre-chamber device for an internal combustion engine

  • US 10,494,981 B2
  • Filed: 06/07/2019
  • Issued: 12/03/2019
  • Est. Priority Date: 12/09/2016
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a combustion pre-chamber device for engaging a cylinder head of an internal combustion engine, the combustion pre-chamber device including a body with an outer surface extending between a first end and an opposite second end of the body, the first end of the body including an opening to an inner passage defined by the body for receiving a spark plug, the second end of the body defining a combustion pre-chamber and at least one through-hole in communication with the combustion pre-chamber that opens at the outer surface, the body further including at least one bore extending from an opening at the outer surface into the body to a closed end of the at least one bore that is located within the body of the combustion pre-chamber device.

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