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US 8,474,432 B2Granted
Event-based direct injection engine starting with a variable number of injections
AssigneeFord Global Technologies, LLC
InventorsEric Storhok, Zheng Xu, Jianwen Yi, Gopichandra Surnilla, Jim Hilditch
Life of this patent
Estimating the term…
Abstract
A method for starting an internal combustion engine having direct fuel injection into a cylinder, comprising of only for a first combustion event under selected conditions during an engine start, directly injecting fuel to the cylinder at least twice, where each of said two injections at least partially occur during a compression stroke.
Claims9
A method for starting an internal combustion engine having direct fuel injection into a cylinder, comprising:
- under selected conditions during an engine start, directly injecting fuel to the cylinder at least twice, only for a first combustion event from the engine start, where at least one of the said two injections at least partially occurs during a compression stroke.
Dependencies are inferred from the claim text.