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US 7,730,872 B2Granted
Engine with water and/or ethanol direct injection plus gas port fuel injectors
AssigneeFord Global Technologies, LLC
InventorsThomas G. Leone, Michael Howard Shelby, Robert A. Stein
Life of this patent
Estimating the term…
Abstract
A system for an engine, comprising of a cylinder located in the engine, a first injector configured to inject gasoline fuel into said cylinder, and a second injector configured to inject a fluid into said cylinder, said fluid containing at least some water.
Claims21
An engine system, comprising:
- a cylinder of an engine;
- a first injector to inject gasoline into said cylinder;
- a second injector to inject a fluid containing at least some water into said cylinder;
- a charge motion control valve;
- and
- a controller that positions said charge motion control valve in a first position when said second injector is active and positions said charge motion control valve in a second position when said second injector is inactive.
3 more elements
A method for controlling an engine, comprising:
- injecting a fuel into a combustion chamber of the engine via a first injector;
- injecting a fluid containing water into said combustion chamber via a second injector;
- and
- varying an amount of water injection as operating conditions vary by injecting said fluid when a charge motion control valve is in a first position, and not injecting said fluid when said charge motion control valve is in a second position.
1 more element
A method for controlling an engine, the method comprising:
- injecting a fuel into a combustion chamber of the engine via a first injector;
- injecting a fluid containing water into said combustion chamber via a second injector;
- and
- varying an amount of injection of said fluid as an amount of water in said fluid vanes.
1 more element
Dependencies are inferred from the claim text.