F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
F01N 13/04 (2010.01)
Patent
CA 2659777
The invention provides a muffler assembly (10) for exhaust gas flow communication with an engine exhaust. The assembly (10) includes a muffler (12) having inlet and outlet ports (14, 16). The assembly (10) also includes first and second flow of passages in common fluid communication with the outlet port (16) and in variable fluid communication with the inlet port (14). The first and second flow passages meet at first and second connecting points. The first connecting point is located in the proximity of the inlet port (14). The first flow passage has a higher resistance to fluid flow than the second flow passage. The assembly (10) also includes a valve means (24) generally located past the first connecting point inside the second flow passage for selectively proportionating exhaust gases passing through the passages. The first flow passage includes three or more conduits (26, 28, 30) being in fluid communication with each other.
L'invention concerne un ensemble (10) de silencieux conçu pour faire communiquer un flux de gaz d'échappement avec un échappement de moteur. L'ensemble (10) comprend un silencieux (12) comportant des orifices (14, 16) d'entrée et de sortie. L'ensemble (10) comprend encore des passages de premier et de second flux en communication fluide commune avec l'orifice (16) de sortie et en communication fluide variable avec l'orifice (14) d'entrée. Les premier et second passages de flux se rencontrent aux premier et second points de raccordement. Le premier point de raccordement est situé à proximité du port d'entrée (14). Le premier passage de flux présente une résistance plus grande au flux de fluide que le second passage de flux. L'ensemble (10) comprend encore un moyen de vanne (24) généralement situé au-delà du premier point de raccordement à l'intérieur du second passage de flux pour sélectivement proportionner les gaz d'échappement traversant les passages. Le premier passage de flux comprend trois conduits (26, 28, 30) ou plus en communication fluide les uns avec les autres.
Feng Zhanzhao
Shapiro Cohen
LandOfFree
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