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WO/2011/021306A1 |
Disclosed is an insulator (20) disposed so as to face an exhaust manifold (12) in an internal combustion engine (10) while providing a space between the exhaust manifold (12) and the insulator (20). The insulator (20) comprises a heat-r...
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WO/2010/125660A1 |
Provided is an internal combustion engine (1) equipped with an exhaust manifold (10) having: a plurality of branch pipes (11a-11d), a manifold body (12) to which the branch pipes (11a-11d) are connected on the exhaust downstream side of ...
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WO/2009/156272A1 |
A method for adding a reaction medium (1) to a catalytic converter (2) with a storage coating (3) in the exhaust gas system (4) of an internal combustion engine (5), wherein a degree of saturation (6) of the storage coating (3) is determ...
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WO/2009/155590A2 |
An elastomeric isolator has an elastomeric body which incorporates an inner structural member that extends through an outer structural member. The elastomeric body includes an axial shear leg extending between the inner and outer structu...
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WO/2009/131666A1 |
An exhaust mixer (16) is provided for use in an engine exhaust system (10) downstream from an additive injector (14). The mixer (16) includes a first wall structure (20), and a second wall structure (22) carrying a set of mixer vanes (30...
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WO/2009/127735A1 |
An apparatus for treating an exhaust gas stream and having removable module(s) is disclosed. The apparatus comprises a housing, providing fixed boundaries at least between an inlet and an outlet and at least two sections arranged within ...
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WO/2009/125050A1 |
The invention relates toa machinery arrangement,which comprisesa combus- tion unit (3) arranged in an engine room (11), and an exhaust gas duct assem- bly (4) connected to the combustion unit (3) for receiving an exhaust gas flow and for...
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WO/2009/125052A1 |
The invention relates toa machinery arrangement for a marine vessel (1), which machinery arrangement (2) comprises a combustion unit (3), an exhaust gas duct assembly (4), which includes a first branch pipe (41) and a second branch pipe ...
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WO/2009/079402A1 |
A muffler assembly includes a housing defining at least one internal chamber. The housing is constructed from a composite material made from a thermoplastic resin and a reinforcing element. The reinforcing element is selected from a grou...
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WO/2009/067430A2 |
A vehicle exhaust system includes various exhaust components. A passive valve assembly is associated with at least one of the exhaust components. The passive valve is spring biased toward a closed position and is movable toward an open p...
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WO/2009/062233A1 |
A thermal emission-conversion muffler (10) for reducing the toxic emissions output from the muffler has an inlet pipe (20), an outlet pipe (25), and a body (30) extending lengthwise between the inlet and outlet pipes. The muffler (10) fu...
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WO/2009/030382A1 |
The invention proposes a method and a device for the cleaning of engine exhaust gas. Here, good results are obtained in that the exhaust gas which is to be cleaned is firstly placed in contact with droplets, which are finely vaporized by...
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WO/2009/023793A1 |
A barometric pressure regulator circuit is described. The circuit includes a memory storing output parameters to be supplied to a pressure regulator unit, and a processor operatively coupled to the memory. The processor is configured to ...
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WO/2009/021783A1 |
Exhaust systems for internal combustion engines are already known which have an exhaust pipe with a main section, which has at least one catalytic converter, and a bypass section which runs parallel to the main section, wherein an inlet ...
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WO/2008/156695A1 |
An exhaust manifold and method of manufacturing the same is provided that includes at least one tube within shells of an exhaust manifold The tube limits fluid communication from the tube into the shells of the exhaust manifold An inlet ...
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WO/2008/152336A2 |
Motor vehicle exhaust line silencer comprises: - an upper shell (2) comprising a substantially flat upper end wall (16); - a lower shell (4) comprising a substantially flat lower end wall (24) parallel to the upper end wall (16), the upp...
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WO/2008/098685A1 |
The invention relates to an internal combustion engine comprising several combustion chambers in the form of cylinders in which an air/fuel mixture can be exothermically reacted. The combustion chambers are delimited by a joint cylinder ...
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WO2008054971B1 |
A wind filter device (215) for use with a microphone (203), the wind filter device including a substrate (219) having an aperture (221) extending through the substrate, attached to a first face of the substrate a first layer (223) having...
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WO/2008/019399A2 |
An apparatus, system, and method are disclosed for enhancing protection of a soot filter (126). The method enhances soot filter protection by interpreting a baseline regeneration scheme (214), estimating whether a set of current soot fil...
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WO/2008/014072A2 |
A monitoring system for an exhaust aftertreatment system is provided, comprising an injecting device operable to inject reductant into an exhaust gas feedstream upstream of a selective catalyst reduction device. The monitoring system com...
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WO/2008/008469A2 |
One embodiment of the present invention includes a unique technique to regulate operation of an internal combustion engine. Other embodiments include unique apparatus, devices, systems, and methods relating to internal combustion engine ...
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WO/2007/075594A2 |
Method and system of onboard diagnostics in engine emissions monitoring, particularly for detecting anomalous cylinder behavior. In some embodiments, at least one sensor in the exhaust path measures electric charge that is indicative of ...
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WO/2006/034413A1 |
A single valve (23, 50) directs engine exhaust (11, 12) toward alternative nitrous oxide traps (19, 20) which are adjacent to either diesel particulate filters (40, 41) or low temperature water gas shift catalysts (63, 64). Syngas is eit...
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WO/2006/017884A1 |
A single cylinder air cooled engine platform is disclosed in which a single engine (2, 22) can be converted for use with different appliances (eg a lawn edger, cultivator, blower, line trimmer, etc) by selection of an appropriate nozzle ...
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WO/2005/113954A2 |
An exhaust processor (12) comprises an isolated interior volume (16) that is defined in a housing (18) of the exhaust processor (12) so as to be isolated from exhaust gas in the housing (18). A motion converter (20) is positioned in the ...
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WO/2005/111390A1 |
An integrated heat exchanger and muffler unit (50, 120, 140) is provided for transferring heat between a first fluid and a second fluid, and for muffling the noise of the first fluid. The unit includes a housing (52) including a first in...
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WO/2005/078253A1 |
The invention relates to a device and a method for determining the load state of a particle filter (1), embodied as a moulded body, for the purification of internal combustion engine exhaust gases, with a measuring device, comprising a p...
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WO/2005/012699A1 |
A muffler assembly, comprising an outer muffler assembly comprising a plurality of fiberglass discs and a plurality of reactive plates, and an inner muffler assembly comprising a plurality of fiberglass discs and a plurality of reactive ...
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WO/2005/007438A2 |
Silencing equipment is provided for an air-cooling assembly in a off-road vehicle having wheels, traction motors, a power generating dynamic braking mode, resistor grids a resistor grid housing for dissipating the dynamic braking power a...
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WO/2004/040104A1 |
The invention relates to a method for testing at least three sensors (191, 192, 193, 194, 195), which detect a measurable variable for an internal combustion engine (100). A measurement for the sensor signal (S1, S2, S3, S4, S5) of the r...
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WO/2003/081002A1 |
A method for detecting an obstruction in a flow duct is provided. The method includes the steps of directing gas through at least one port of the flow duct, measuring a flow noise level of the gas directed through the at least one port, ...
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WO/2003/033882A2 |
The present invention provides a sound attenuator for pneumatic exhaust that includes a body having an open end and an inner cavity defined by an inner wall, an inlet port provided in the body adapted to establish fluid communication bet...
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WO/2003/031227A1 |
The invention relates to an acoustic transducer head (4), comprising at least one admission opening (5) for an inlet line, at least one first pulsation converting member (13) and at least one acoustic radiation zone (9) in a housing (3)....
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WO/2002/084084A1 |
A muffler is provided for use in a pneumatic hand tool (10) having a handle (12) with an exhaust passage (16). The muffler includes an inner tube (30), an outer tube (32), an upper plate (36), and an end cap (44). The inner tube (30) is ...
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WO/2001/097952A2 |
This invention relates to a process for reducing the level of pollutants in the exhaust of a diesel engine, comprising: operating said diesel engine using as the fuel a water-diesel fuel emulsion; and contacting the exhaust gas from said...
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WO/2001/071332A1 |
A sensor element for the determination of gas component concentrations in exhaust gases from internal combustion engines is disclosed. The above comprises at least one gas measuring chamber (13) and at least one gas entry opening (17), b...
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WO/2001/069053A1 |
Disclosed is an exhaust system for watercrafts. The inventive system comprises an exhaust pipe (1, 1', 3, 3') which leads from a motor system (66) to an exhaust gas outlet (44). A means that can be flown through and serves for the degrad...
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WO/2001/066946A1 |
The invention relates to a sound absorber for compressors. The inventive sound absorber is particularly suitable for being directly placed upon the pressure outlet of a screw compressor. Said sound absorber has a housing (1) which has a ...
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WO/2001/020281A1 |
The invention relates to a sheathed conductor arrangement for use in a corrosive environment, comprising at least one inner electrical conductor (1) which is electrically insulated from a metallic outer sheath (3) by an electrically insu...
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WO/2000/023702A1 |
Disclosed is a method for desulfurizing a NO¿x? accumulating catalyst system that is arranged downstream from a lean operated internal combustion engine, whereby the condition in which the catalyst is loaded with sulfur is determined an...
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WO/2000/009870A1 |
The invention relates to a method according to which the temperature of the catalytic converter monolith is determined at the catalytic converter intake by means of a temperature model on the basis of modelled or measured exhaust-gas tem...
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WO/1999/036679A1 |
A muffler (30) for quieting exhaust expelled from a pneumatic hand tool (10) having a handle (12), an air intake port, and an exhaust port. The muffler (30) includes an inner tube with a plurality of holes, a number of washers (36) posit...
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WO/1999/023371A1 |
In a first aspect of the present invention there is provided a method of monitoring efficiency of a catalytic converter (14) present in an exhaust system (12) of an internal combustion engine (10) which has a closed loop control system (...
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WO/1998/059159A1 |
The invention relates to a method for improved monitoring of the conversion rate of an exhaust gas catalytic converter for an internal combustion engine. To achieve this, the temperature values determined downstream from the exhaust gas ...
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WO/1998/021453A2 |
The present invention relates to a catalytic converter for a small-size engine and a method for the production thereof. In order to cut production costs, a honeycomb shaped body, coated with a catalytically active material made out of at...
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WO/1997/017534A1 |
The invention relates to catalysts, to be arranged in the flow of exhaust gases from exhaust systems, preferably internal combustion engines, with a substrate (5) provided with a ceramic coating containing the catalyst, and at least one ...
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WO/1997/013964A1 |
The description relates to a process and a device for monitoring the operation of a catalyst, especially an oxidation and/or reduction catalyst, in a spontaneous-ignition internal combustion engine. There is a sensor (135) which generate...
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WO/1997/009527A1 |
As a result of manufacturing tolerances, turbochargers in internal combustion engines produce a noise which depends on the engine speed and, depending in the charger, is disturbing mainly in the lower kHZ range. The object of the inventi...
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WO/1997/001698A1 |
The present invention concerns a catalyser arrangement for motor vehicle exhaust systems, in particular those with spark ignition engines. In the proposed arrangement, exhaust gas is channelled at least in parts of the exhaust system in ...
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WO/1996/034186A1 |
An open path low back pressure muffler (1) for reciprocating air motor pulsing exhaust providing an increased area inlet office (4), double flow path reversal with directional flow assistance and a turnable sound absorbing lined duct exi...
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