Resonator type silencer
Resonator type silencer having plural resonance chambers
Resonator with high heat resistance
Reverse entry muffler with surge suppression feature
Rigidified muffler assembly
Rocket exhaust disrupter
Rocket exhaust disrupter shapes
Roof-mounted muffler for system for generating electric power
Rotatable propeller driven engine exhaust system
Rotating self-cleaning sound absorber for ducts
Rotational mechanism disposed within fluid passageway