Automotive catalyst excess oxygen reduction system

Details Automotive catalyst excess oxygen reduction system Automotive catalyst excess oxygen reduction system

2007-08-21

2007-08-21

Argenbright, T. M. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

C123S336000, C123S402000, C123S405000, C123S442000

Reexamination Certificate

active

11386301

ABSTRACT:
An excess oxygen reduction system includes a fuel cut-off condition module, an injector module, and a valve module. The fuel cut-off condition module determines whether a fuel cut-off condition exists. The injector module prevents a fuel injector from fueling a cylinder when said fuel cut-off condition exists. The valve module closes an impulse charging valve when said fuel cut-off condition exists.

REFERENCES:
patent: 4106471 (1978-08-01), Nakajima et al.
patent: 4537169 (1985-08-01), Tsuge et al.
patent: 2006/0037570 (2006-02-01), Hitomi et al.
patent: 2007/0068486 (2007-03-01), Rozario et al.

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