US Patent Application 18032730. Internal Combustion Engine Comprising at Least One Cylinder Equipped With a Pre-chamber, an Injector and Two Spark Plugs, and Method for Operating Same simplified abstract

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Internal Combustion Engine Comprising at Least One Cylinder Equipped With a Pre-chamber, an Injector and Two Spark Plugs, and Method for Operating Same

Organization Name

Bayerische Motoren Werke Aktiengesellschaft

Inventor(s)

Juergen Neumann of Valley (DE)

Marcus Poeschl of Reichertshausen (DE)

Stephan Rubbert of Karlsfeld (DE)

Internal Combustion Engine Comprising at Least One Cylinder Equipped With a Pre-chamber, an Injector and Two Spark Plugs, and Method for Operating Same - A simplified explanation of the abstract

This abstract first appeared for US patent application 18032730 titled 'Internal Combustion Engine Comprising at Least One Cylinder Equipped With a Pre-chamber, an Injector and Two Spark Plugs, and Method for Operating Same

Simplified Explanation

The patent application describes an internal combustion engine design that includes a combustion chamber, an injector, a pre-chamber, and two spark plugs.

  • The combustion chamber is where fuel and air are mixed and burned.
  • The injector is used to inject fuel into the combustion chamber.
  • The pre-chamber is separate from the combustion chamber, except for a passage opening that connects them.
  • A first spark plug is located in the pre-chamber to produce an ignition spark.
  • A second spark plug is located in the combustion chamber, outside of the pre-chamber, to produce another ignition spark.
  • The pre-chamber, injector, and second spark plug are arranged in a specific order in a plane perpendicular to the cylinder's axial direction.


Original Abstract Submitted

An internal combustion engine may include a combustion chamber which is delimited by a cylinder; an injector with which fuel can be injected into the combustion chamber, whereby a mixture comprising fuel and air can be generated in the combustion chamber; a pre-chamber, which is fluidically separate from the combustion chamber with the exception of a passage opening and which is fluidically connected to the combustion chamber via the passage opening; a first spark plug with which an ignition spark can be produced in the pre-chamber; and a second spark plug with which an ignition spark can be produced in the combustion chamber and outside of the pre-chamber, wherein the pre-chamber, the injector, and the second spark plug are arranged, in this order, in a direction extending in a plane that is perpendicular to the axial direction of the cylinder.

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