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US 8,925,518 B1Granted
Use of prechambers with dual fuel source engines
AssigneeWoodward, Inc.
InventorsMichael B. Riley, Gregory James Hampson, Domenico Chiera
Life of this patent
Estimating the term…
Abstract
A system has an engine. The engine has a combustion chamber, a pre-combustion chamber apart from the combustion chamber, and an opening spanning between the combustion chamber and the pre-combustion chamber. The engine also has a first fuel supply system adapted to supply liquid fuel to the pre-combustion chamber and a second fuel supply system adapted to supply a second, different fuel to the combustion chamber. In certain instances, an oxygen supply system supplies oxygen into the prechamber.
Claims15
A system, comprising:
- an engine comprising:
- a combustion chamber;
- a pre-combustion chamber apart from the combustion chamber;
- an opening spanning between the combustion chamber and the pre-combustion chamber;
- a first fuel supply system adapted to supply liquid fuel to the pre-combustion chamber;
- and
- a second fuel supply system adapted to supply a second, different fuel to the combustion chamber, the second fuel supply system comprising a fuel gas fuel injector with an outlet to the pre-combustion chamber.
4 more elements
A method, comprising:
- operating an engine on liquid fuel supplied directly into a pre-combustion chamber of the engine, the pre-combustion chamber residing apart from a combustion chamber of the engine;
- and
- operating the engine on the liquid fuel supplied directly into the pre-combustion chamber of the engine and a second, different fuel supplied into the combustion chamber, the second fuel supplied into the combustion chamber through the pre-combustion chamber.
Dependencies are inferred from the claim text.