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| Number | Title | Issue Date |
| 8171727 | Device for reducing dibenzodioxin emissions, dibenzofuran emissions and particle emissions A transition metal-containing catalyzer is arranged on a particle filter installed in the exhaust gas line of an internal combustion engine and cannot be separated therefrom without being destroyed. To reduce emissions, at least one molecular sieve which retains pol... | 05/08/2012 |
| 8151561 | Multi-cylinder internal combustion engine A multi-cylinder internal combustion engine, wherein exhaust gas outlets of a first portion of the cylinders of the engine communicate with a first exhaust gas manifold section, and the exhaust gas outlets of the remaining cylinders communicate with a second exhaust... | 04/10/2012 |
| 8151562 | Exhaust device of V-type engine for vehicle A V-type engine is disposed in an engine room of a vehicle so that each cylinder bank of the V-type engine extends substantially in a vehicle length direction. Exhaust manifolds are attached to both side of the V-type engine in a vehicle width direction, respectivel... | 04/10/2012 |
| 8074448 | Exhaust device of V-type engine for vehicle A V-type engine is disposed in an engine room of a vehicle so that each cylinder bank of the V-type engine extends substantially in a vehicle length direction. Exhaust manifolds are attached to both side of the V-type engine in a vehicle width direction, respectivel... | 12/13/2011 |
| 7802423 | Condenser unit for NOemission reduction system A system and method for the reduction of NOx emissions from combustion sources are provided. The system includes a fuel tank, fuel converter unit, condensor unit, selective catalytic reduction (SCR) unit and an engine. The condenser unit includes a genera... | 09/28/2010 |
| 7788913 | Manifold mounted catalytic converter A combination exhaust manifold and catalytic converter wherein the catalytic converter is in the form of a removable and replaceable cartridge mounted within an opening of an exhaust manifold. This cartridge is supported within the opening of the exhaust manifold by... | 09/07/2010 |
| 7765801 | Exhaust gas treatment device with insulated housing construction An exhaust gas treatment device for internal combustion engines and the like includes inlet and outlet end caps, two catalyst substrates, and a two-piece housing. A first, cylindrically-shaped housing member has a hollow interior in which one of the substrates is re... | 08/03/2010 |
| 7552586 | Marine exhaust system with a downstream oxygen sensor located away from a water reversion liquid trajectory path A marine engine exhaust system has an oxygen sensor located within a catalyst housing structure and downstream from a catalyst device. The oxygen sensor is located away from a reversion liquid trajectory path that defines the likely path of liquid water flowing in a... | 06/30/2009 |
| 7412824 | Catalytic converter system for diesel engines An improved exhaust system for a diesel engine and an improved overhead exhaust manifold segment therefore wherein the improvement comprises a plurality of catalytic converter elements removably positionable in the overhead exhaust manifold over the outlet ends of a... | 08/19/2008 |
| 7407036 | Muffler for compact combustion engines To provide a muffler for a compact combustion engine, which is simple in structure and effective to sufficiently reduce the temperature of exhaust gases while avoiding contact with an external air, an exhaust guide passage 7 for communicating the exhaust gase... | 08/05/2008 |
| 7402292 | Device and methods of ammonia generation for NOx abatement One embodiment of a method of operating a NOx abatement system comprises: introducing an exhaust stream to an ammonia generator in a normal flow direction, adsorbing NOx from the exhaust stream in the ammonia generator, diverting the exhaust stream around the ammoni... | 07/22/2008 |
| 7399452 | Meander-type catalytic converter To provide an exhaust system (100) for an internal combustion engine having a housing (10) in which there are provided at least one exhaust inlet port (15b) and another exhaust discharge port (15a), and a catalyst element ( | 07/15/2008 |
| 7380637 | Exhaust-gas muffler The invention is directed to an exhaust-gas muffler (1) of a handheld work apparatus driven by an internal combustion engine. The exhaust-gas muffler (1) includes a muffler housing (2) which includes an engine-end wall (3) having an inlet... | 06/03/2008 |
| 7367180 | System and method for controlling valve timing of an engine with cylinder deactivation Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such as fuel vapor purging, air-fuel ratio control, engine torque control, ... | 05/06/2008 |
| 7361320 | Exhaust gas purification unit with reducing agent supply The invention proposes an exhaust-gas purification unit for purifying the exhaust gas from an internal combustion engine which is preferably operated in lean-burn mode, in particular a diesel engine used in motor vehicles, in which a particulate filter and a SCR cat... | 04/22/2008 |
| 7357901 | Exhaust gas purification device for an internal combustion engine and exhaust gas purification method for an internal combustion engine An internal combustion engine with an exhaust gas purification device is provided in which the NOx held in a NOx catalyst can be efficiently reduced and purified, and a sufficient amount of NOx can be reduced, thereby making it possible to regenerate the NOx catalys... | 04/15/2008 |
| 7357221 | Exhaust gas muffler An exhaust gas muffler is provided for an internal combustion engine, especially for an internal combustion engine in a manually-guided implement such as a power saw, a cut-off machine, or the like. The muffler has a housing having an inlet for exhaust gases and an ... | 04/15/2008 |
| 7351382 | Particle filter having a catalytically active coating to accelerate burning off accumulated soot particles during a regeneration phase The present invention is directed to a particle filter to remove soot from the exhaust gas of a diesel engine. The particle filter contains a catalytically active coating on a filter body to accelerate bum-off during a regeneration phase of the soot particles collec... | 04/01/2008 |
| 7351383 | Device for catalytic treatment of a gas flow Device for catalytic treatment of a gas flow including at least one body (1) that includes a catalytic material. The device has a number of first openings (5) for either entry of gas into or exit of gas from the catalyzer body (1), and a second ... | 04/01/2008 |
| 7350351 | Exhaust system of engine of motorcycle An exhaust system of an engine of a motorcycle, including an exhaust pipe configured to extend in one of an upward direction and a downward direction from an exhaust port formed at a front portion of a cylinder head of the engine and to then be bent to extend in an ... | 04/01/2008 |
| 7350536 | Vacuumized receptacle for sample collection A portable receptacle is vacuumized for use in taking an air or gas sample for subsequent examination to determine type, origin, components of the air or gas. Critical to a long shelf life of the vacuumized receptacle is a valve which virtually seals the receptacle ... | 04/01/2008 |
| 7331315 | Two-stroke engine with fuel injection A two-stroke internal combustion engine is provided with a fuel injector. The two-stroke internal combustion engine may have at least one transfer passage, an air channel, and a fuel injector. The transfer passage is between a crankcase and a combustion chamber of t... | 02/19/2008 |
| 7311066 | Controlling exhaust temperatures An exhaust manifold cooling jacket has internal passages for the circulation of liquid coolant and encloses an exhaust manifold such that a gap is created between the exhaust manifold and cooling jacket. Flowing coolant through the jacket regulates outer jacket temp... | 12/25/2007 |
| 7308788 | Engine and method for counteracting face plugging of a diesel oxidation catalyst A turbocharged engine (20, 20′, 20″, 20′″) counteracts plugging of a diesel oxidation catalyst (DOC 48) by causing a first portion of exhaust from one or more exhaust manifolds (26, 28) to enter the DOC after having passed through the tu... | 12/18/2007 |
| 7296657 | Engine exhaust muffler with exhaust emission control function A muffler having a muffler body divided into first and second exhaust chambers by a partitioning member which has a third exhaust chamber formed therein. An exhaust inlet introduces exhaust gas from an engine into the first exhaust chamber. First communication bores... | 11/20/2007 |
| 7293629 | Exhaust apparatus for small-sized engine An exhaust apparatus has an exhaust pipe that receives exhaust gas from an engine and a muffler attached to the exhaust pipe. The muffler has an exhaust portion that discharges exhaust gas received by the exhaust pipe. A tubular member is attached to the exhaust por... | 11/13/2007 |
| 7290388 | Motorcycle exhaust system A motorcycle exhaust system includes a catalytic converter (43) disposed within an exhaust passage (37) for discharging exhaust gas (G) from a multi-cylinder combustion engine (E) and operable to purify the exhaust gas (G). An upstream end of the catal... | 11/06/2007 |
| 7266942 | Diagnostic device and method of engine exhaust purifying system A diagnostic device and method of an engine exhaust purifying system, which perform active control of an air-fuel ratio and can make diagnosis of air-fuel ratio sensors, catalysts, etc. in the engine exhaust purifying system with high accuracy and reliability while ... | 09/11/2007 |
| 7249652 | Fluid guideline, especially in the form of a tube for taking up untreated air in an air filter of a motor vehicle A fluid guideline with at least two structural elements made of substantially soundproof material has at least one opening for sound damping. An impedance change (in particular in the form of an impedance discontinuity) of the flow resistance of the fluid flowing th... | 07/31/2007 |
| 7241426 | Exhaust manifold with catalytic converter shell tube A catalytic converter comprises an exhaust manifold comprising a manifold wall; a catalytic converter shell, wherein a portion of the catalytic converter shell is disposed within the manifold wall; and a catalyst substrate disposed in the catalytic converter shell. | 07/10/2007 |
| 7228935 | Attachment pin for an exhaust-gas muffler The invention relates to an attachment pin (1) for fixing an exhaust-gas muffler (2) in an apparatus part (4) of a portable handheld work apparatus (5) driven by an internal combustion engine. The exhaust-gas muffler (2) includes e... | 06/12/2007 |
| 7219764 | Exhaust muffler A muffler may comprise a casing having an internal volume, an inlet and an outlet, and a diverter plate dividing the internal volume into a first chamber and a second chamber. The diverter plate may comprise a baffle wall portion and at least one diverter having a d... | 05/22/2007 |
| 7189376 | Multi-zoned catalyst and trap Provided are coated, multi-zoned catalyst substrates that trap and combust hydrocarbon and nitrogen oxides pollutants in a single monolith substrate. In some embodiments, the multi-zoned catalysts contain both radial and axial zones. The zones can be formed by depos... | 03/13/2007 |
| 7188470 | Combustion process The combustion process is carried out in presence of a primary catalyst coating which is treated when required by means of cerium/europium compound in presence of water vapor and advantageously in presence of a refractory material, such as a clay, a hydrated clay. | 03/13/2007 |
| 7174991 | Muffler for internal combustion engine The subject invention refers to a muffler comprising a muffler housing (1, 2) and generally a catalytic converter element (13) mounted in the housing, which muffler has at least one inner outlet (4) through which exhaust gases cleaned by the cat... | 02/13/2007 |
| 7171805 | Deflector style exhaust manifold An exhaust manifold is provided with deflector members positioned between downstream gas inlets and a main gas passage. The deflector members redirect the flow of exhaust gas from the inlets into the general direction of the gas flowing in the main passage as the ex... | 02/06/2007 |
| 7159393 | Device for exhaust gas purification A device for purifying exhaust gases from a combustion engine (1) is provided with a first filter (10) arranged in an exhaust conduit (7) between the engine (1) and an exhaust outlet (8) for removing particular constituents from th... | 01/09/2007 |
| 7156202 | Method and apparatus for venting exhaust gas from an engine A muffler for coupling to an exhaust port of an internal combustion engine. The muffler includes a housing having an exhaust inlet configured to receive exhaust gas from the engine, at least one internal expansion chamber and an outlet opening. The muffler further i... | 01/02/2007 |
| 7155902 | Structure for fixing catalytic body to exhaust pipe For fixing a catalytic body, which has a cylindrical case and is housed in an exhaust pipe, to the exhaust pipe that serves as part of an exhaust system connected to an engine. The catalytic body can be housed in and fixed to the exhaust pipe even if the catalytic b... | 01/02/2007 |
| 7146806 | Internal combustion engine cylinder and muffler assembly with catalytic converter A two cycle internal combustion engine cylinder having a piston chamber. The cylinder includes transfer ports; and an exhaust port divided into at least two sections. A first one of the sections has an aperture at the piston chamber with a top surface located closer... | 12/12/2006 |
