Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01N - Gas-flow silencers or exhaust apparatus for machines or engines in general; Gas-flow silencers or exhaust apparatus for internal-combustion engines › F01N 13 - Exhaust or silencing apparatus characterised by constructional features
Patents for F01N 13 - Exhaust or silencing apparatus characterised by constructional features (23,537)
09/1981
09/15/1981US4289169 Heat-expandable multi-passage pipe having parts for intended breakage
09/15/1981US4288988 Method and apparatus for improving the gas flow in an internal combustion engine exhaust manifold
09/08/1981US4287716 Exhaust gas system for internal combustion engines
09/01/1981US4286675 Narrow profile power handle for line trimmer and the like
08/1981
08/25/1981US4285909 Catalyst assembly for cleaning an exhaust gas
08/25/1981US4285109 Method of hydrodynamic forming
08/25/1981CA1107655A1 Device for removing lead particles from the exhaust gases of an internal combustion engine
08/25/1981CA1107654A1 Device for separating lead particles from the exhaust gases of an internal combustion engine
08/25/1981CA1107653A1 Two-stage catalysis of engine exhaust
08/18/1981US4284162 Exhaust system of automotive vehicle
08/11/1981US4283368 Radial flow catalytic converter
08/04/1981US4281863 Exhaust tube clamp
08/04/1981CA1106420A1 Wide-band compression coupling
07/1981
07/28/1981US4280588 Anti-pollution manifold for I.C.E.
07/28/1981CA1105839A1 Converter structure
07/21/1981US4279326 Exhaust muffler
07/14/1981US4278639 Catalytic converter for purifying gases
07/14/1981US4278147 Muffler for engine, particularly motorcycle engine
07/07/1981US4277539 Internal combustion engine exhaust systems
07/07/1981US4277092 Supple exhaust coupling
07/07/1981CA1104502A1 Center air manifold for catalytic converter
06/1981
06/30/1981US4276331 Thermal insulation
06/30/1981US4276036 Exhaust means for marine propulsion unit
06/30/1981US4275489 Pipe clamp structures
06/24/1981EP0030731A1 Zinc-alloy coated ferrous product resistant to embrittlement
06/23/1981US4274373 Combined split engine and closed loop mixture control operation with enriched fuel during partial cylinder mode
06/16/1981US4273080 Exhaust gas conduit system for multi-cylinder reciprocating piston internal combustion engines
06/16/1981US4272958 Anti-pollution treating device
06/03/1981EP0029438A1 Method and apparatus for reducing particles discharged by combustion means
06/02/1981US4270689 Method of forming a tube structure for use in a lap joint
06/02/1981US4270251 Muffler clamp and method of making same
05/1981
05/27/1981EP0029033A1 Process for purifying the exhaust gases of a combustion engine driving a heat pump and purifying device for carrying out such process
05/26/1981CA1101638A1 Process
05/19/1981US4268046 Multiple seal stationary sealing ring
05/06/1981EP0027809A1 Enamel-coated silencer
05/05/1981US4265953 Intumescent stressed skin composite material
05/05/1981US4265332 Heat extracting muffler system
05/05/1981CA1100410A1 Engine exhaust rain cap with extruded bearing support means
05/05/1981CA1100287A1 Dual catalyst nitric oxide reduction
04/1981
04/28/1981US4264684 By using a steel high in phosphorous as base for elevated temperature uses
04/28/1981US4264660 For internal compustion engine exhaust systems
04/28/1981US4264561 Double shelled housing
04/28/1981US4263981 Vacuum pump exhaust muffler
04/28/1981US4263782 Combined split engine and feedback controlled engine operations
04/28/1981CA1100048A1 Articulated exhaust system
04/21/1981US4262943 Muffler clamp device
04/14/1981US4261600 Pipe coupling for lap joints
04/14/1981US4261170 Exhaust-gas purifier
04/07/1981US4260662 Enameled parts made of heat-resistant metals
03/1981
03/31/1981US4258822 Muffler plug for gas turbine power plant
03/31/1981CA1098562A1 Swaged joint
03/31/1981CA1098448A1 Exhaust system for multiple cylinder two-stroke engines
03/31/1981CA1098280A1 Insulated manifold with double cast walls
03/25/1981EP0025752A1 Device for inserting a sensor in the exhaust conduits of an internal-combustion engine, and a control system for metering the fuel mixture using such a device
03/24/1981US4257372 Internal combustion engine exhaust passage structure
03/18/1981EP0025033A1 Hydraulic noise attenuator.
03/17/1981US4256700 Catalytic converter with air tube
03/17/1981US4256074 Control system for closed loop mixture correction and split engine operation
03/17/1981US4255928 Swingable rain cover for vertical exhaust pipes with stop means
03/03/1981US4254085 Catalytic converter with dual catalyst pellet beds and reinforced plenum therebetween
03/03/1981CA1096725A1 Insulated exhaust manifold
02/1981
02/25/1981EP0024101A1 Mechanical connection and method of connecting mechanically two components
02/24/1981US4252000 Apparatus and process for cooling and muffling industrial equipment
02/17/1981US4250708 Exhaust double pipe of an internal combustion engine
02/10/1981US4250146 Caseless monolithic catalytic converter
02/05/1981WO1981000277A1 Process for purifying the exhaust gases of a combustion engine and purifying device for carrying out such process
01/1981
01/20/1981US4245471 Stoichiometric and enrichment mixture control during different split engine modes
01/20/1981US4245466 Delta electromagnetic control valve
01/13/1981US4244442 Method and apparatus for treating exhaust gases particularly for air-operated tools
01/07/1981EP0022063A1 Exhaust gas outlet device for internal combustion engines and method for its manufacture
01/07/1981EP0021713A1 Clamp and method of making same
01/07/1981EP0020766A1 Exhaust gas cleaning system for diesel engines
01/07/1981EP0020723A1 Pipe coupling for lap joints
01/06/1981US4243093 Method of making an insulated manifold with double cast walls
01/06/1981US4242866 By-pass valve
01/06/1981CA1092984A1 Spark arrester and engine muffler
12/1980
12/30/1980CA1092514A1 Device for the removal of particles of lead from the exhaust gases of an internal combustion engine
12/23/1980US4240254 Exhaust gas purifying apparatus for multicylinder internal combustion engines
12/16/1980US4239733 Internal combustion engines
12/16/1980US4239091 Glass fiber-reinforced synthetic resin, aluminum tube, glass fibers as sound absorbers
12/16/1980US4239063 Manifold insulated with knitted impregnated sleeve
12/16/1980CA1091511A1 Engine exhaust means for motor propelled boats
12/11/1980WO1980002726A1 Exhaust device for internal combustion engines combined with a heat pump
12/10/1980EP0019635A1 Exhaust gas cleaning system for a diesel engine installed in a building
12/09/1980US4238456 Catalytic converter with uniform air distribution and mixing with the exhaust gases
12/09/1980US4238454 Catalytic converter having a pair of catalyst pellet beds with a plenum and air tube therebetween
12/02/1980US4237099 Catalytic converter with dual catalyst pellet beds and plenum therebetween
12/02/1980US4237098 Catalytic converter with housing-bed-plenum reinforcing and spacing means
12/02/1980US4236598 Rotating self-cleaning sound absorber for ducts
11/1980
11/27/1980WO1980002583A1 Method and apparatus for reducing particles discharged by combustion means
11/25/1980US4235846 Converter for exhaust gas with removable insert housings having monolithic catalyst therein
11/25/1980US4235845 Anti-air pollution system for exhaust gas
11/18/1980US4233812 Gas discharge apparatus
11/18/1980US4233726 Method of joining a tube to a plate
11/13/1980WO1980002439A1 Enamelled iron exhaust pipe and manufacturing process thereof
11/04/1980US4231341 Exhaust gas flow control valve apparatus for use in an internal combustion engine
11/04/1980US4231220 Secondary air control system for an internal combustion engine
10/1980
10/21/1980CA1087945A1 Intake and exhaust manifolds
10/14/1980US4228203 Method of forming aluminum coating layer on ferrous base alloy workpiece
10/14/1980US4227651 Nozzle for use on the exhaust of internal combustion engines
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