Control apparatus, control method and engine control unit...

Details Control apparatus, control method and engine control unit... Control apparatus, control method and engine control unit...

2005-01-11

2005-01-11

Solis, Erick (Department: 3747)

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

C123S090150, C123S339150, C123S479000, C123S481000, C123S339170, C123S339180

Reexamination Certificate

active

06840213

ABSTRACT:
A control apparatus, a control method, and an engine control unit for a variable cylinder internal combustion engine are provided for appropriately performing any of an idling rotational speed control, a deceleration fuel-cut control, and an auxiliary machinery driving control irrespective of whether or not a cylinder pausing mechanism fails. The control apparatus for the variable cylinder internal combustion engine switchably operated in a full cylinder operation mode and a partial cylinder operation mode comprises an ECU. The ECU determines whether or not the cylinder pause mechanism fails, and sets a target idling rotational speed for use in the idling rotational speed control to a normal operation value when the cylinder pausing mechanism is normal and to a faulty operation value higher than the normal operation value when the cylinder pausing mechanism is faulty.

REFERENCES:
patent: 4484553 (1984-11-01), Kobayashi et al.
patent: 5481461 (1996-01-01), Miyamoto et al.
patent: 5775291 (1998-07-01), Choi
patent: 6435147 (2002-08-01), Eichenseher et al.
patent: 6691021 (2004-02-01), Takagi et al.
patent: 20010003971 (2001-06-01), Hori et al.

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