Lean burn engine control system

Details Lean burn engine control system Lean burn engine control system

2005-03-15

2005-03-15

Huynh, Hai (Department: 3747)

Internal-combustion engines

Spark ignition timing control

Electronic control

C123S399000, C123S443000, C123S406520

Reexamination Certificate

active

06866023

ABSTRACT:
A control system that enables optimum lean burn control only by operating one lever beyond a lean limit of a lean burn engine. A link mechanism opens a throttle valve at an angle according to the manipulated variable of a power lever while the throttle valve is located in a range from an idle position to a full throttle position. When the power lever is further operated beyond the full throttle position of the throttle valve, the throttle valve is kept at a full throttle state independent of the position of the power lever and only a positional sensor outputs a signal according to the manipulated variable of the power lever. The degree of leaning of an air-fuel mixture is determined according to the manipulated variable of the power lever.

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patent: 5381771 (1995-01-01), Leshner
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patent: 6089208 (2000-07-01), Kowatari et al.
patent: 6164623 (2000-12-01), Ito et al.
patent: 20040016419 (2004-01-01), Satou et al.
patent: 36570 (2004-02-01), None

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