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References in periodicals archive ?
Building on current engine control capability, Cummins has developed a proprietary air-fuel ratio control system that employs a dithering control algorithm with dual-loop feedback for rich-burn engines.
Cummins Power Generation said the gen-sets incorporate an electronic air-fuel ratio control, an oxygen sensor and an additional three-way catalyst for models above 80 kW.
Additional benefits include enhanced acceleration and transient response due to close placement of the fuel injection to the intake valve and a precise air-fuel ratio control optimizes catalyst costs.
Murphy and MIRATECH Corporation--offers a color brochure devoted to its Windows[R]-based MEC Air-Fuel Ratio Control Systems for rich-burn and lean-burn spark-ignited natural gas engines.
Valve Viewer A/F will allow setup of all user-definable set points in Continental Controls' ECV 5 and EGC 2 products, and will monitor such key data points as: oxygen sensor set point and feedback, valve position, fuel manifold pressure, and whether the controller is operating in the default pressure control mode or in the [O.sub.2] air-fuel ratio control mode.
"Backed by our parent companies' distribution networks, Compliance Controls will focus exclusively on delivering and supporting air-fuel ratio control solutions tailored to our customers' specific requirements," he said.
This system also allows for air-fuel ratio control in dual-fuel applications.
The lean-burn system is a closed-loop, lean-bum fuel control with adaptive-learn technology and fully integrated wide range oxygen sensing for precise air-fuel ratio control. The system also uses a speed-density control strategy with advanced transient compensation designed to provide improved transient fuel-air ratio tracking.