Internal-combustion engines – High tension ignition system – Multiple spark ignition system
Reexamination Certificate
2009-05-28
2010-11-09
Huynh, Hai H (Department: 3747)
Internal-combustion engines
High tension ignition system
Multiple spark ignition system
C123S179300, C123S179500, C123S339110, C123S406530, C123S406250
Reexamination Certificate
active
07827975
ABSTRACT:
A method for operation of a vehicle having an internal combustion engine is provided. The internal combustion engine may include one or more combustion chambers, a fuel delivery system including a direct fuel injector coupled to each combustion chamber, an ignition system including one or more spark plugs coupled to each combustion chamber, a piston disposed within each combustion chamber, and an intake and an exhaust valve coupled to each combustion chamber, the internal combustion engine providing motive power to the vehicle. The method may include discontinuing combustion operation within the internal combustion engine responsive to idle-stop operation. The method may further include, during a direct-start, performing multi-strike ignition operation per combustion cycle via one or more selected spark plug(s) for at least a first combustion cycle in a combustion chamber following the discontinuation of combustion operation, the one or more selected spark plug(s) coupled to the combustion chamber.
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Gibson Alex O'Connor
Reiche David
Ulrey Joseph Norman
VanDerWege Brad Alan
Wooldridge Steven Todd
Alleman Hall McCoy Russell & Tuttle LLP
Ford Global Technologies LLC
Huynh Hai H
Lippa Allan J.
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