Device and method for changing angular velocity of airflow
Device for damping the intake noise of diesel engines
Device for enhancing fuel efficiency of internal combustion...
Device for improving fuel efficiency in internal combustion engi
Device for improving mixture distribution in an intake tube of a
Device for improving the fuel-gas air mixture and the operation
Device for increasing the uniformity of the air-fuel mixture in
Device for injecting a fuel gas mixture into a combustion engine
Device for the improvement of combustion in internal combustion
Device to improve the fuel efficiency of an internal combustion