F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/31
F01N 3/28 (2006.01) F01N 13/00 (2010.01) F01N 13/14 (2010.01) F01N 1/08 (2006.01)
Patent
CA 1303513
Abstract of the Disclosure The invention relates to an exhaust gas muffler for a two-stroke engine of a portable handheld tool such as a chain saw. The exhaust gas muffler includes a catalyzer wherein high exhaust gas temperatures are developed because of the exothermal reaction which takes place therein. The catalyzer is located in the forward portion of a gas-tight hollow body mounted in the housing of the muffler. The hollow body has a tapered portion which extends out of the housing in the direction of the exhaust gas flow. In this way, the surface temperature of the muffler housing is reduced.
580294
Grassmuck Jurgen
Muller Wilfried
Wissmann Michael
Zimmermann Helmut
Fetherstonhaugh & Co.
Firma Andreas Stihl
LandOfFree
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