137761 ⎘
Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using spirally or helically shaped channels
Sub-classes:Compact exhaust gas treatment system with serviceable filter
#2AIR-TRANSPARENT SELECTIVE SOUND SILENCER USING ULTRA-OPEN METAMATERIAL
#3Constant velocity muffler assembly
#4Encased exhaust
#5Exhaust system and muffler
#6Sound attenuator as well as elements and a method of production thereof
#7Overlapping vane muffler
#8Air-transparent selective sound silencer using ultra-open metamaterial
#9Air-transparent selective sound silencer using ultra-open metamaterial
#10Apparatus for increasing flow rate in engine pipe and processing method therefor
#11Engine exhaust extractor with internal airfoils and method of manufacturing
#12Cyclonic thermal diffuser and method
#13Mixer assembly for exhaust aftertreatment system
#14MOTORCYCLE MUFFLER BAFFLE
#15Low pressure drop, high efficiency spark or particulate arresting devices and methods of use
#16Fluid transfer pipe and fluid transfer apparatus and a fluid attenuator and attenuator apparatus
#17Fluid flow controller
#18Sound absorber having helical fixtures
#19Muffler having fluid swirling vanes
#20Muffler for engines in oilfield applications
#21Helical exhaust passage
#22Sound dampening flow channel device
#23Muffler having fluid swirling vanes
#24Arrangement for supplying a medium into an exhaust gas conduit in an internal combustion engine
#25Sound attenuator
#26Vehicle exhaust systems
#27Muffler and related systems
#28Muffler having fluid swirling vanes
#29Silencer containing one or more porous bodies
#30Modular muffler with removable cartridge assembly
#31Interference-based exhaust noise attenuation
#32Exhaust system baffling apparatus
#33Tuned exhaust system for small engines
#34Noise suppressor apparatus for a gas duct
#35Devices for regulating pressure and flow pulses