F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/40
F01N 1/06 (2006.01) F01N 13/08 (2010.01)
Patent
CA 1162483
039.153 EXHAUST ASSEMBLY FOR TRACTORS ABSTRACT OF THE DISCLOSURE An exhaust assembly for a tractor having a pivotal or slidable engine hood that must be moved out of the way to permit an operator complete access into the engine compartment. The exhaust assembly includes a tubular housing positioned within the engine compartment below the top surface of the engine hood. The tubular housing has a cylindrically shaped inlet conduit adapted to be connected to the exhaust manifold of the tractor engine. Exhaust gases are forced vertically into the inlet conduit and then directed in a horizontal swirling fashion through the tubular housing by apertures and baffles along the length of the inlet conduit. The tubular housing further includes a cylindrically shaped outlet conduit having an open conical discharge end which is in close proximity to the lower end of an elongated exhaust tube that is attached to the engine hood. The exhaust gases are forced into the outlet conduit through apertures in its periphery and then directed by baffles vertically out through the conical end of the outlet conduit and into the lower end of the exhaust tube for discharge. The exhaust tube includes outer and inner concentric shells with the outer shell being solid and the inner shell having apertures and baffles spirally arranged around its periphery for cooling, diluting, and muffling the exhaust gases and producing an aspirating effect for drawing and discharging the exhaust gases. The lower end of the exhaust tube surrounds the conical end of the outlet conduit to form an annular opening for drawing air and fumes from the engine compartment into the exhaust tube along with the exhaust gases.
402503
Case (j.i.) Company
Gowling Lafleur Henderson Llp
LandOfFree
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