Engine system and method with cylinder deactivation

Details Engine system and method with cylinder deactivation Engine system and method with cylinder deactivation

2007-12-25

2007-12-25

Kwon, John T. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

C123S324000, C123S568140

Reexamination Certificate

active

11239979

ABSTRACT:
Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such as fuel vapor purging, air-fuel ratio control, engine torque control, catalyst design, and exhaust system design.

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