Back to results
US 11,378,002 B1Granted
Systems and methods for adjustable pre-chamber
AssigneeFord Global Technologies, LLC
InventorsThomas Leone, Michael Damian Czekala
Life of this patent
Estimating the term…
Abstract
Methods and systems are provided for a pre-chamber. In one example, the pre-chamber includes a moveable element configured to adjust an orifice opening area of the pre-chamber in response to conditions.
Claims18
A system, comprising:
- a pre-chamber arranged in a cylinder, wherein the pre-chamber includes at least one moveable element configured to adjust an orifice opening area of the pre-chamber and the orifice opening area is equal to a sum of an opening area of a plurality of first openings and a plurality of second openings.
An engine system, comprising;
- a cylinder;
- a pre-chamber arranged in the cylinder;
- an ignition device arranged in the pre-chamber, wherein the ignition device is the only ignition device of the engine system;
- and
- a moveable element configured to adjust an orifice opening area of one or more openings arranged in walls of the pre-chamber, wherein the one or more openings include a plurality of first openings and the plurality of first openings comprise a fixed orifice opening area.
2 more elements
A system, comprising:
- a pre-chamber arranged in a cylinder, the pre-chamber comprising a plurality of lower openings and a plurality of upper openings, wherein the plurality of lower openings is arranged closer to a piston of the cylinder than the plurality of upper openings;
- an ignition device position to provide a spark directly to an interior volume of only the pre-chamber;
- and
- a pre-chamber cap separating the interior volume of the pre-chamber from the cylinder, wherein the pre-chamber cap is moveable.
1 more element
Dependencies are inferred from the claim text.