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| Number | Title | Issue Date |
| 7721530 | Crankcase ventilation system A system for venting crankcase emissions from an engine is disclosed generally comprising a crankcase emissions conduit that communicates blow-by gases from the crankcase into the exhaust flow of an exhaust conduit, which includes a venturi, via an inlet located ups... | 05/25/2010 |
| 7669407 | Catalytic cleaning of blowby gases An assembly for cleaning blowby gases has an electric heater and a downstream catalyst positioned in series relationship in a blowby conduit leading from an engine's crankcase to the atmosphere. The heater is controlled by a controller to maintain a selected tempera... | 03/02/2010 |
| 7607289 | Apparatus for emissions control, systems, and methods Methods, constructions, and systems for treating engine emissions. An engine includes a crankcase, an air intake, a blow-by vent, and an exhaust port; the crankcase emits blow-by gases through the blow-by vent, and the engine produces an exhaust stream through the e... | 10/27/2009 |
| 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 |
| 7331334 | System and method for purging fuel vapors using exhaust gas A system for a vehicle, comprising of an engine, and a fuel vapor storage system coupled to the engine configured to store and release fuel vapors, the system further configured to route exhaust gas from the engine to the vapor storage system and where adsorbed vapo... | 02/19/2008 |
| 7318425 | Fuel vapor treatment apparatus A fuel vapor treatment apparatus includes a first canister, a purge passage, an atmosphere passage, a first detection passage provided with a restrictor, and a passage-changing valve for changing the connection passage of the first detection passage between the purg... | 01/15/2008 |
| 7293408 | Exhaust gas treatment system and utility vehicle with an exhaust gas treatment system In an exhaust gas treatment system and a utility vehicle having an exhaust gas treatment system, the exhaust gas treatment system includes a particle reduction unit, a reducing agent tank and a nitrogen oxide reduction unit of a modular design, wherein the reducing ... | 11/13/2007 |
| 7278259 | Apparatus for emissions control, system, and methods Methods, constructions, and systems for treating engine emissions. An engine includes a crankcase, an air intake, a blow-by vent, and an exhaust port; the crankcase emits blow-by gases through the blow-by vent, and the engine produces an exhaust stream through the e... | 10/09/2007 |
| 7257942 | Apparatus for emissions control, systems, and methods Methods, constructions, and systems for treating engine emissions. An engine having a crankcase includes air intake, blow-by vent, and exhaust port; the crankcase emits blow-by gases through the blow-by vent and produces an exhaust stream through the exhaust port. T... | 08/21/2007 |
| 7213394 | Engine blowby injector and injection system and method for injecting blowby An engine blowby injection system including a blowby passage, and a blowby injector with a blowby flow outlet sized to inject the blowby flow into an exhaust gas flow generated by an internal combustion engine. The blowby injector includes a cooling mechanism for co... | 05/08/2007 |
| 7185641 | Control apparatus of internal combustion engine Both evaporated fuel purge and EGR are performed by supplying both an evaporated fuel and an exhaust gas at a position downstream from a throttle valve, of an intake pipe. A controller for controlling a purge flow rate and an EGR flow rate controls an opening degree... | 03/06/2007 |
| 7159386 | Crankcase ventilation system A crankcase ventilation system may include a first exhaust flow path configured to permit flow of main exhaust gases from a combustion chamber of an internal combustion engine and a particulate trap disposed in the first exhaust flow path. The system may also includ... | 01/09/2007 |
| 7131265 | Motor vehicle with a cryotank A motor vehicle, which has a cryotank for supplying an internal combustion engine, includes an exhaust gas system including an exhaust gas catalyzer, a device for the combustion of boil-off gas from the cryotank, a gas duct, and a nozzle. The nozzle is configured to... | 11/07/2006 |
| 7117857 | Fuel supply system for outboard motor An outboard motor fuel vapor separator-venting system that vents fuel vapor from a fuel vapor separator through a vapor relief valve. The vapor relief valve allows vapor to gradually be delivered from the vapor separator to an air induction system depending on the a... | 10/10/2006 |
| 7107759 | Apparatus for reducing hydrocarbon emission of internal combustion engine A canister communicates with an intake manifold of an internal combustion engine through a purge pipe. The canister absorbs fuel vapor evaporated in a fuel tank. The absorbed fuel vapor is purged into the intake manifold when the engine is on. A gas leak check modul... | 09/19/2006 |
| 7104046 | Controller for an internal combustion engine A controller executes temperature rise control on a catalyst device by retarding ignition timing that is set based on engine operating conditions. The controller reaches a diagnosis that the temperature rise control is normal if an advance angle side accumulated tim... | 09/12/2006 |
| 7065962 | Exhaust gas purifying system An exhaust gas purifying system and a method for purifying exhaust gas of combustion engines. The system includes a hollow casing, a converter chamber disposed within the casing, spray nozzles for spraying a scrubbing liquid into the converter chamber for forming a ... | 06/27/2006 |
| 7051514 | System and method for reducing NOx emissions after fuel cut-off events A method of controlling exhaust emission oxides of nitrogen (NOx) from an internal combustion engine (ICE) includes the steps of determining when an engine speed is below a first predetermined level, and controlling an oxygen displacement valve (ODV) such that at le... | 05/30/2006 |
| 7032580 | Internal combustion engine system and method for controlling the same When fuel vapor flows to an intake passage from a canister, the amount of fuel injected to an internal combustion engine is corrected to suppress fluctuation of the air-fuel ratio in the engine due to the fuel vapor. An EGR mechanism variably sets the EGR rate. When... | 04/25/2006 |
| 7024851 | Direct fuel injection/spark ignition engine control device An engine control device is configured to perform optimum combustion control according to environmental conditions when warming up of a catalyst for emission purification is required. The engine control device performs stratified combustion by the compression stroke... | 04/11/2006 |
| 7007684 | Controller for internal combustion engine A controller for an engine including a fuel vapor processing mechanism. The controller determines the amount of fuel vapor drawn into an intake passage based on the concentration of fuel vapor purged into the purge passage. The controller corrects the fuel injection... | 03/07/2006 |
| 7001445 | Ambient air pollution trap The invention relates to a method and an apparatus for cleaning ambient air of a vehicular adsorption unit (8). The vehicle includes a combustion engine (1) and a passenger ventilation system (5, 6, 7, 8, 9, 10, 11). Adsorption takes place wheth... | 02/21/2006 |
| 6939396 | Ambient air pollution trap The invention relates to a method and an apparatus for cleaning ambient air of a vehicular adsorption unit (8). The vehicle includes a combustion engine (1) and a passenger ventilation system (5, 6, 7, 8, 9, 10, 11). Adsorption takes place wheth... | 09/06/2005 |
| 6898929 | Method and apparatus for supplying a reductant to an engine exhaust treatment system A method and apparatus for providing a vaporized reductant to an engine exhaust stream find particular utility in the regeneration of a nitrous oxide absorber in a Diesel engine exhaust treatment system. The method and apparatus are based on fueling the Diesel engin... | 05/31/2005 |
| 6804950 | Plasma reforming and partial oxidation of hydrocarbon fuel vapor to produce synthesis gas and/or hydrogen gas Methods and systems are disclosed for treating vapors from fuels such as gasoline or diesel fuel in an internal combustion engine, to form hydrogen gas or synthesis gas, which can then be burned in the engine to produce more power. Fuel vapor, or a mixture of fuel v... | 10/19/2004 |
| 6711894 | Internal combustion engine and method of operating same An internal combustion engine has a preparation device for fuel, for the purpose of providing a starting fuel which comprises low-boiling fuel constituents. A catalytic converter is accommodated in an exhaust train of the internal combustion engine. After-treatment ... | 03/30/2004 |
| 6711893 | Fuel supply apparatus for an internal combustion engine A gasoline in a material fuel tank is separated into a high-RON fuel having a higher octane value than the material fuel and a low-RON fuel having a lower octane value than the material fuel, by a separator device equipped with a separation membrane. Using a fuel sw... | 03/30/2004 |
| 6637193 | Exhaust emission control device and exhaust emission control method for natural gas engine A natural gas engine capable of exhaust emission control over the entire temperature range and at low costs without requiring a complicated structure. An adsorbent (7) is disposed between a fuel tank (4) and a fuel supply port (5) on a suction air passage... | 10/28/2003 |
| 6606855 | Plasma reforming and partial oxidation of hydrocarbon fuel vapor to produce synthesis gas and/or hydrogen gas Methods and systems for treating vapors from fuels such as gasoline or diesel fuel in an internal combustion engine, to form hydrogen gas or synthesis gas, which can then be burned in the engine to produce more power. Fuel vapor, or a mixture of fuel vapo... | 08/19/2003 |
| 6588201 | Crankcase ventilation system A motorcycle crankcase ventilation system that makes use of suction pressure generated within the exhaust pipe of a motorcycle exhaust system during operation of a motorcycle engine to draw gases from within the crankcase of the motorcycle for delivery to... | 07/08/2003 |
| 6550238 | Apparatus for reducing the emission of vaporized hydrocarbons in a fuel supply system An apparatus for reducing the emission of vaporized hydrocarbons in a fuel supply system. The apparatus comprises a filter for binding the hydrocarbons. A catalyst for oxidation of the hydrocarbons to carbon dioxide and water is provided downstream of the... | 04/22/2003 |
| 6438945 | Evaporated fuel treatment device of an engine An internal combustion engine, wherein fuel vapor adsorbed in a canister (22) is purged into a surge tank (13) through a purge control valve (28). A target value of the fuel vapor rate showing the ratio of the amount of fuel vapor in the purge gas to the ... | 08/27/2002 |
| 6418712 | Engine breather apparatus A breather gas outlet has an adaptor having a hollow member with a first end engaged at an aperture in a wall of an exhaust system of an engine to allow breather gas flow thereinto. A nozzle has a second hollow member serves as a breather gas conduit and ... | 07/16/2002 |
| 6343467 | Air-fuel ratio control apparatus and method for internal combustion engine Evaporated fuel gas from a canister is introduced into an intake path of an internal combustion engine. A target air-fuel ratio is changed to a value on the fuel rich side during the introduction of purge gas in accordance with the purge gas concentration... | 02/05/2002 |
| 6256982 | Fuel vapor purge for a direct injection engine A fuel vapor purging method controls fuel vapor purging during stratified operation. Several factors influence vapor purge control, including fuel vapor concentration in the cylinder and temperature of the emission control device. The fuel vapor passes th... | 07/10/2001 |
| 6237328 | Engine control with a fuel vapor purge system A fuel vapor purging method controls fuel vapor purging during stratified operation. Several factors influence vapor purge control, including fuel vapor concentration in the cylinder and temperature of the emission control device. The fuel vapor passes th... | 05/29/2001 |
| 6230484 | Direct injection engine control with a fuel vapor purge system A fuel vapor purging method controls fuel vapor purging during stratified operation. Several factors influence vapor purge control, including fuel vapor concentration in the cylinder and temperature of the emission control device. The fuel vapor passes th... | 05/15/2001 |
| 6223526 | Dual compartment fuel storage tank A tank for a vehicle having a selective catalytic reduction exhaust gas purification system operating with a reducing agent includes a fuel space for the vehicle fuel and a reducing agent space for the reducing agent. The fuel space and the reducing agent... | 05/01/2001 |
| 6192672 | Engine control method with multiple emission control devices A fuel vapor purging method controls fuel vapor purging during stratified operation. Several factors influence vapor purge control, including fuel vapor concentration in the cylinder and temperature of the emission control device. The fuel vapor passes th... | 02/27/2001 |
| 6192674 | Heat generation method in an emission control device A fuel vapor purging method controls fuel vapor purging during stratified operation. Several factors influence vapor purge control, including fuel vapor concentration in the cylinder and temperature of the emission control device. The fuel vapor passes th... | 02/27/2001 |
