Internal-combustion engines – Engine speed regulator – Responsive to deceleration mode
Reexamination Certificate
2007-03-13
2007-03-13
Solis, Erick (Department: 3747)
Internal-combustion engines
Engine speed regulator
Responsive to deceleration mode
C123S492000
Reexamination Certificate
active
11515867
ABSTRACT:
From execution of fuel cut until restoration therefrom in response to a F/C flag being set, an ECU senses an intake air amount Q and engine speed NE, calculates the charging efficiency based on Q and NE, and calculates a basic injection amount TAU_B based on the charging efficiency. When the F/C flag is reset, the ECU calculates asynchronous injection requested amount TAU_REQ based on emission request, calculates upper guard injection amount ASY_MAX based on TAU_B, inserts ASY_MAX into asynchronous injection amount TAU_ASY when TAU_REQ is larger than ASY_MAX and inserts TAU_REQ into asynchronous injection amount TAU_ASY when TAU_REQ is equal to or below ASY_MAX.
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Oliff & Berridg,e PLC
Solis Erick
Toyota Jidosha & Kabushiki Kaisha
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