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US 2014/0288808 A1Published application
Automatic engine de-choking
AssigneeFord Global Technologies, LLC
InventorsChris Paul Glugla, Michael Damian Czekala, Michael Howard Shelby
Life of this patent
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Abstract
A method may comprise automatically de-choking an engine and cranking the engine in response to an engine flood event, wherein automatically de-choking the engine comprises automatically cutting fuel to the engine while opening an air intake throttle.
Claims20
A method, comprising:
- automatically de-choking an engine and cranking the engine in response to an engine flood event.
A method of automatically de-choking an engine, comprising:
- cutting fuel to engine fuel injectors;
- increasing an opening of an intake air throttle;
- cranking the engine;
- and
- adjusting an air-fuel ratio to a de-choking air-fuel ratio.
2 more elements
A system, comprising
- an engine;
- an ignition system;
- a starter motor coupled to a crankshaft of the engine;
- a controller having a computer storage medium with executable instructions encoded thereon, the executable instructions comprising:
- instructions to cut fuel to engine fuel injectors while opening a throttle and cranking the engine in response to detecting an engine flood event;
- and
- instructions to extend a crank duration and adjust an air-fuel ratio for de-choking the engine in response to detecting an engine flood event.
4 more elements
Dependencies are inferred from the claim text.