Exhaust or silencing apparatus characterised by constructional features; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES

F01N13/00Exhaust or silencing apparatus characterised by constructional features; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00

F01N13/001Gas flow channels or gas chambers being at least partly formed in the structural parts of the engine or machine F01N13/002Apparatus adapted for particular uses F01N13/004specially adapted for marine propulsion F01N13/005with parts constructed of non-metallic material F01N13/007Apparatus used as intake or exhaust silencer F01N13/008Mounting or arrangement of exhaust sensors in or on exhaust apparatus F01N13/009having two or more separate purifying devices arranged in series F01N13/0093the purifying devices are of the same type F01N13/0097the purifying devices are arranged in a single housing F01N13/011having two or more purifying devices arranged in parallel F01N13/017the purifying devices are arranged in a single housing F01N13/02having two or more separate silencers in series F01N13/04having two or more silencers in parallel F01N13/06specially adapted for star-arrangement of cylinders F01N13/08Other arrangements or adaptations of exhaust conduits F01N13/082of tailpipe F01N13/085having means preventing foreign matter from entering exhaust conduit F01N13/087having valves upstream of silencing apparatus for by-passing at least part of exhaust directly to atmosphere F01N13/10of exhaust manifolds F01N13/102having thermal insulation F01N13/105having the form of a chamber directly connected to the cylinder head F01N13/107More than one exhaust manifold or exhaust collector F01N13/12specially adapted for submerged exhausting F01N13/14having thermal insulation F01N13/141Double-walled exhaust pipes or housings F01N13/143with air filling the space between both walls F01N13/145with gas other than air filling the space between both walls F01N13/146with vacuum in the space between both walls F01N13/148Multiple layers of insulating material F01N13/16Selection of particular materials F01N13/18Construction facilitating manufacture, assembly, or disassembly F01N13/1805Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body F01N13/1811with means permitting relative movement F01N13/1816the pipe sections being joined together by flexible tubular elements only F01N13/1822for fixing exhaust pipes or devices to vehicle body F01N13/1827Sealings specially adapted for exhaust systems F01N13/1833specially adapted for small internal combustion engines F01N13/1838characterised by the type of connection between parts of exhaust or silencing apparatus F01N13/1844Mechanical joints F01N13/185the connection being realised by deforming housing, tube, baffle, plate, or parts thereof F01N13/1855the connection being realised by using bolts, screws, rivets or the like F01N13/1861the assembly using parts formed by casting or moulding F01N13/1866the channels or tubes thereof being made integrally with the housing F01N13/1872the assembly using stamp-formed parts or otherwise deformed sheet-metal F01N13/1877the channels or tubes thereof being made integrally with the housing F01N13/1883manufactured by hydroforming F01N13/1888the housing of the assembly consisting of two or more parts F01N13/1894the parts being assembled in longitudinal direction F01N13/20having flared outlets