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Intake Air Boost System for Two-Cycle Engine Having Roots Blowers

Abstract: 

An air boost system for a two-cycle engine, such as an EMD engine, which operates with one or more roots blowers, or for similar engines that use gear-driven roots blowers or centrifugal blowers. At least one of the roots blowers is equipped with a variable transmission, which allows airflow into the engine to be varied in accordance with load or other engine operating conditions. 

Patent Number: 
10690045
Date Of Issue: 
06/23/2020
Inventors: 

John C. Hedrick; Steven G. Fritz; Randy R. McDonnell