October 26, 2022
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Focus on zero carbon
Cummins continues to invest in key technologies
Reduce greenhouse gas emissions
And reduce the impact of its products on air quality.
Members of the Cummins family can win research and development.
Engine cylinder deactivation technology(CDA)
Reduction of nitrogen oxide and carbon dioxide emissions
Achieve new breakthroughs
Power-assisted diesel and natural gas engine
While further improving fuel efficiency
Significantly reduce emissions
Small class,Knock on the blackboard
What is cylinder deactivation?
Cylinder deactivation technology is the use of mature components.,Under specific working conditions,Causes the engine valves for the selected cylinders to no longer operate,Achieve better engine fuel economy。Higher exhaust temperature for cylinders that are still operating,After-treatment system can be kept at high temperature at low load and start-up,Reduce the emission of nitrogen oxides。
Read the working principle.,Do you think that the cylinder deactivation technology is as simple as shutting down the surplus cylinders in operation??Then you will underestimate this new technology.!When it is applied to the engine,Gain more than you expect!
Performance advantages,At a glance
Reduce pumping loss and friction work,Improve fuel economy
Engine and aftertreatment systemPreheat faster
Optimize combustion,Reduce fuel consumption of ignition cylinder
Under low load condition,Keep aftertreatment system at high temperature,And that emission performance is improve
SlidingReduces cooling losses in aftertreatment
Hydraulic drive mechanism integrated in the push rod or valve bridge,And that system integration is high
Interlinked with high power braking technologyModular design,Efficient module upgrade
Fuel consumption improvement with three cylinders deactivated(%)
Increase in exhaust temperature after three cylinders are deactivated(℃)
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