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US 2014/0190437 A1Published application
Quiescent Chamber Hot Gas Igniter
AssigneeWoodward, Inc.
InventorsDomenico Chiera, Gregory James Hampson
Life of this patent
Estimating the term…
Abstract
An engine has an ignition source in a combustion chamber of the engine. An inner housing is provided that includes one or more jet apertures and defines an inner chamber containing the ignition source. An outer housing (or pre-chamber) is provided that includes one or more jet apertures in communication with the main combustion chamber and defines an outer chamber containing the inner housing.
Claims26
An igniter plug for an internal combustion engine, the igniter plug comprising:
- a plug body adapted to couple to the internal combustion engine;
- an ignition source carried on the plug body;
- an inner housing comprising a jet aperture and defining an inner chamber containing the ignition source;
- and
- an outer housing around the inner housing, the outer housing comprising jet aperture and defining an outer chamber containing the inner chamber.
2 more elements
A method of igniting an air-fuel mixture in an internal combustion engine, the method comprising:
- sealing a combusting air-fuel mixture in an inner housing in a combustion chamber of the internal combustion engine;
- releasing the combusting air-fuel mixture from the inner housing into an outer housing around the inner housing;
- igniting an air-fuel mixture in the outer housing with the combusting air-fuel mixture from the inner housing;
- and
- igniting an air-fuel mixture in a combustion chamber around the outer housing with combusting air-fuel mixture from within the outer housing.
2 more elements
An engine, comprising:
- an ignition source in a combustion chamber of the engine;
- an inner housing comprising a jet aperture and defining an inner chamber containing the ignition source;
- and
- an outer housing comprising a jet aperture and defining an outer chamber containing the inner housing.
1 more element
Dependencies are inferred from the claim text.