Self-supporting NO.sub.x reducing catalyst
Self-sustaining oxy-exothermal filter regeneration system
Semi-airgap manifold formation
Sensor arrangement for engine control system
Sensor arrangement for engine control system
Series combination catalytic converter
Series combination catalytic converter
Severe service extractor valve
Shield encompassing a hot pipe
Shielding arrangement for exhaust purifier
Shielding component, a heat shield in particular
Shielding component, a heat shield in particular
Shut-off valve unit for a circuit for injecting air in the exhau
Side branch absorber for exhaust manifold of two-stroke...
Silencer
Silencer with incorporated catalyst
Silicon carbide (SiC) composite exhaust manifold and method...
Single mode resonant cavity
Smoke reduction system
Solid boron fuel burner for ramjet