Ultra low power plasma reactor system for automotive NOx...
Ultrasonic burner system for regenerating a filter
Uncoupling element for uncoupling vibrations
Unfoldable device for extending the nozzle of a rocket engine
Unitary hybrid exhaust system and method for reducing particulat
Upstream collimator for electrically heatable catalytic converte
Urea concentration identifying system, method for...
Urea injector in exhaust gas turbine housing
Urea supply system for a waste gas cleaning catalyst and...
Urea-SCR system and control method thereof
Use of a variable valve actuation system to control the...
Utilization of air-assisted direct injection, cylinder...