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US 6,785,603 B2Granted
Operation stop control method of internal combustion engine for vehicle
AssigneeToyota Jidosha Kabushiki Kaisha
InventorToshio Inoue
Life of this patent
Estimating the term…
Abstract
When a control determination is made that an operation of an internal combustion engine should be stopped, a fuel adherence reduction operation for reducing the amount of fuel adhered to a wall surface extending from an intake port to a combustion chamber is executed before stopping fuel supply.
Claims18
A control method of an internal combustion engine for a vehicle, comprising the following steps of:
- determining whether an operation of the internal combustion engine should be stopped;
- executing, when a determination that the operation of the internal combustion engine should be stopped is made, a fuel adherence reduction operation for reducing an amount of a fuel adhered to a wall surface extending from an intake port to a combustion chamber;
- and
- stopping supply of the fuel to the internal combustion engine after executing the fuel adherence reduction operation.
1 more element
An internal combustion engine operation control system for a vehicle, comprising:
- a fuel supply system which supplies a fuel to the internal combustion engine;
- and
- a controller which determines whether an operation of the internal combustion engine should be stopped, executes, when a determination that the operation of the internal combustion engine should be stopped is made, a fuel adherence reduction operation for reducing an amount of a fuel adhered to a wall surface extending from an intake port to a combustion chamber, and controls the fuel supply system so as to stop supply of the fuel to the internal combustion engine after executing the fuel adherence reduction operation.
Dependencies are inferred from the claim text.