Method for auto-ignition operation and computer readable...

Details Method for auto-ignition operation and computer readable... Method for auto-ignition operation and computer readable...

2007-01-02

2007-01-02

Kwon, John T. (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Injecting diverse fuels or different states of same fuel

C123S090160, C123S568140

Reexamination Certificate

active

11131756

ABSTRACT:
An internal combustion engine that can be operated in compression ignition mode, comprising a fuel injector (2) for each cylinder; a fuel injection control unit (4) for controlling fuel injection quantity and a piston (5) in each cylinder whose compression action causes a mixture of air and fuel to be ignited. The engine is further provided with inlet and outlet valves (6, 7) and sensors (12–16) for measuring various engine operating parameters, is disclosed. During compression ignition mode, the control unit controls the fuel injector to perform a first fuel injection before, and a second fuel injection after top dead center of the piston stroke during or after a negative valve overlap period. A method for operating the engine and a computer readable storage device (4) having stored therein data representing instructions executable by a computer to implement a compression ignition for an internal combustion engine is also described.

REFERENCES:
patent: 5467757 (1995-11-01), Yanagihara et al.
patent: 6234123 (2001-05-01), Iiyama et al.
patent: 7004116 (2006-02-01), Allen
patent: 2002/0155039 (2002-10-01), Itoh et al.
patent: 2002/0166515 (2002-11-01), Ancimer et al.
patent: 2003/0233996 (2003-12-01), Marriott et al.

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