System for controlling valve timing of an engine with...

Details System for controlling valve timing of an engine with... System for controlling valve timing of an engine with...

2007-07-31

2007-07-31

Wolfe, Willis R. (Department: 3747)

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

C123S19800E, C123S405000

Reexamination Certificate

active

11125889

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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