F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
F01N 1/08 (2006.01) F01N 1/12 (2006.01) F02B 19/00 (2006.01)
Patent
CA 2467474
An automobile muffler comprising an inner board with a gas-in tube is installed on one side, a outer board with at least one gas-out tube is on the other side, an external hood covers the inner and outer boards vertically to form a chamber, a plurality arrow shape bars are installed horizontally along two spiral lines inside the chamber; two adjacent arrow shape bars are installed with special angle without vacant space; the tips of the arrow shape bars face the gas-in tube, the side wings form are included angle with the tip. When the high pressure, high temperature exhaust gas by engine enters the chamber from the gas-in tube, the exhaust gas is divided and dispersed by the arrow shape bars and forms disturbance condition, the exhaust gas collides to lower the noise level; the .arrow shape bars increase the contact time and area with gas that lowers the temperature and pressure effectively.
Chen Hui-Fang
Ridout & Maybee Llp
LandOfFree
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