Browse Publications Technical Papers 2000-01-0525

Cam Roller Follower Design for Heavy Duty Diesel Engines 2000-01-0525

Reduction of exhaust emissions, increase of power output and fuel economy, and engine brake systems with higher performance, are the most important factors within the development of Heavy Duty Diesel engines. All of these issues result in an increase in loading for the entire valve train.
To fulfill the increasing requirements, modern Heavy Duty Diesel engines are using valve train configurations with roller followers, designed as roller tappets or roller levers. While these roller followers are well-known engine components, there is a great demand for the enhancement of functional properties and simultaneous cost reduction. Main areas for the design work are the base design of body or lever with roller chamber, push rod area and lever geometry and especially the roller bearing together with the assembling technology.


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