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US 10,669,926 B2Granted
Systems and methods of compression ignition engines
AssigneeNautilus Engineering, LLC
InventorMatthew T. Riley
Life of this patent
Estimating the term…
Abstract
Apparatuses, systems and method for utilizing multi-zoned combustion chambers (and/or multiple combustion chambers) for achieving compression ignition (and/or spark-assisted or fuel-assisted compression ignition) in an internal combustion engine are provided. In addition, improved apparatuses, systems and methods for achieving and/or controlling compression ignition (and/or spark-assisted or fuel-assisted compression ignition) in a “Siamese cylinder” internal combustion engine are provided.
Claims20
An internal combustion engine comprising:
- a cylinder;
- a piston located within said cylinder, said piston being configured to move between a top-dead-center (“TDC”) configuration and a bottom-dead-center (“BDC”) configuration, thereby defining a stroke of said piston;
- a central protuberance extending from a top surface of said piston;
- and
- a cylinder head enclosing said piston within said cylinder, thereby defining a combustion chamber, said cylinder head defining a central recess for receiving said central protuberance when said piston is at the TDC configuration,
- wherein said combustion chamber is divided into a primary chamber and a secondary chamber when said central protuberance is received by said central recess,
- wherein said primary and secondary chambers are configured to hold primary and secondary charges, respectively, and
- wherein the engine is configured such that combustion of said secondary charge is initiated via compression as said primary charge expands into said secondary chamber.
5 more elements
An internal combustion engine comprising:
- a cylinder;
- a piston located within said cylinder, said piston being configured to move between a top-dead-center (“TDC”) configuration and a bottom-dead-center (“BDC”) configuration, thereby defining a stroke of said piston;
- a protuberance extending from a top surface of said piston;
- and
- a cylinder head enclosing said piston within said cylinder, thereby defining a combustion chamber, said cylinder head defining a recess for receiving said protuberance when said piston is at the TDC configuration,
- wherein said combustion chamber is divided into a primary chamber and a secondary chamber when said protuberance is received by said recess,
- wherein said primary and secondary chambers are configured to hold primary and secondary charges, respectively, and
- wherein the engine is configured such that combustion of said secondary charge is initiated via compression as said primary charge expands into said secondary chamber.
5 more elements
An internal combustion engine comprising:
- a cylinder;
- a piston located within said cylinder, said piston being configured to move between a top-dead-center (“TDC”) configuration and a bottom-dead-center (“BDC”) configuration, thereby defining a stroke of said piston;
- a cylinder head enclosing said piston within said cylinder, thereby defining a combustion chamber;
- and
- a first valve associated with said combustion chamber,
- wherein said combustion chamber is divided into a primary chamber and a secondary chamber when said protuberance is received by said recess,
- wherein said primary and secondary chambers are configured to hold primary and secondary charges, respectively,
- wherein the engine is configured such that combustion of said secondary charge is initiated via compression as said primary charge expands into said secondary chamber, and
- wherein the engine is configured such that said first valve facilitates heat transfer away from said primary chamber.
6 more elements
Dependencies are inferred from the claim text.