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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8122704 | Motor system for diminution of carbon dioxide in the atmosphere A motor system is described that sequesters ambient carbon dioxide to a removable carbonate salt by reacting ambient carbon dioxide with an alkali metal hydroxide. The carbon dioxide is aspirated by a turbo-generator that receives exhaust gases from an internal comb... | 02/28/2012 |
| 8096107 | Vehicle energy management system In-a vehicle energy management system engine belt or engine direct driven components are replaced with electrical motors. A main fan unit is replaced with smaller single function electrical components. The larger multipurpose heat exchangers such as the vehicle radi... | 01/17/2012 |
| 7442354 | Treatment of engine exhaust using molecular sieve SSZ-56 The present invention relates to new crystalline molecular sieve SSZ-56 prepared using a N,N-diethyl-2-methyldecahydroquinolinium cation as a structure-directing agent and its use in minimizing cold start emissions from engines. ... | 10/28/2008 |
| 7430856 | Pressure detection mechanism for exhaust emission control device of internal combustion engine A pressure detection mechanism for a catalyst of an engine, in which the catalyst includes an upstream NSR catalyst and a downstream DPNR catalyst stored in a catalyst casing, which includes a DPNR front pressure detection pipe connected to a space formed by the NSR... | 10/07/2008 |
| 7413720 | Catalyst and method for reduction of nitrogen oxides A Selective Catalytic Reduction (SCR) catalyst was prepared by slurry coating ZSM-5 zeolite onto a cordierite monolith, then subliming an iron salt onto the zeolite, calcining the monolith, and then dipping the monolith either into an aqueous solution of manganese n... | 08/19/2008 |
| 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 |
| 7396516 | Manganese containing oxygen storage component comprising three-way catalyst composition A three-way catalyst (TWC) composition comprises a manganese-containing oxygen storage component (OSC) and at least one optionally doped alumina wherein where the at least one alumina is gamma-alumina it is doped with at least one of a rare earth metal, silicon, ger... | 07/08/2008 |
| 7390469 | Bimodal catalyst-urea SCR system for enhanced NOconversion and durability The present invention discloses a method for reducing NOx in exhaust gases of an internal combustion engine. The purpose of this invention is to convert engine out NOx (approximately 90% NO in diesel exhaust) into roughly a 50:50 mixture of NO ... | 06/24/2008 |
| 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 |
| 7351381 | Gas treatment apparatus The present invention relates to a gas treatment apparatus for treating the exhaust gas stream from an internal combustion engine. The apparatus comprises several compartments within which one or more treatments are to be performed upon a gas flowing through the com... | 04/01/2008 |
| 7332142 | Method and apparatus for bubble injection of agent into exhaust gas for use with emission abatement device An apparatus comprises an exhaust system and an injection system. The injection system is configured to vaporize a first liquid portion of an agent into at least one bubble so as to inject a second liquid portion of the agent into the exhaust system by use of the at... | 02/19/2008 |
| 7325393 | Deterioration diagnosing device and diagnosing method for exhaust gas purification catalyst To determine whether an exhaust gas purification catalyst (42) of an engine (1) has deteriorated, a characteristic of exhaust gas on an upstream side of the catalyst (42) is detected, a characteristic of the exhaust gas on a downstream side of t... | 02/05/2008 |
| 7316108 | Hybrid vehicle A hybrid vehicle includes an internal combustion engine with a cylinder head, at least one outlet for exhaust gas which is formed in the cylinder head, a device for directly injecting fuel into a combustion chamber, a spark-ignition device for igniting the directly ... | 01/08/2008 |
| 7305763 | Hydroformed port liner A cylinder head (10) for an internal combustion engine has hydroformed port liners (18) positioned within selected ports, either exhaust and/or intake ports (14, 16). The hydroformed port liner (18) includes an air gap (24) for an ... | 12/11/2007 |
| 7294313 | Device and method for producing ammonia from solid urea pellets A device for producing ammonia from urea pellets includes a pellet dispensing device, a pellet accelerator, a pellet shooting channel, and an ammonia reactor having a chamber or zone for shooting in urea pellets and a pellet deflector arranged on an end of the shoot... | 11/13/2007 |
| 7293403 | Combustion chamber with internal jacket made of a ceramic composite material and process for manufacture A combustion chamber, in particular for a rocket drive, includes at least one jacket madeof a composite material with a ceramic matrix. The composite material contains a fibrous structure made of carbon-containing fibers, and the fibrous structure comprises layers o... | 11/13/2007 |
| 7247185 | Device for treatment of a gas flow Device for treatment of a gas flow having at least one body (3) that is adapted to cause a conversion in the composition of the gas. The device is characterized in that the body (3) has a modular construction comprising a plurality of sections (26, ... | 07/24/2007 |
| 7197869 | Secondary air supplying structure of internal combustion engine In a secondary air supplying structure of an internal combustion engine, extending portions protruding upward are arranged in the number corresponding to the number of cylinders. Extending portions are each provided with a secondary air distribution path. To a surfa... | 04/03/2007 |
| 7174709 | Turboscreen assembly for diesel exhaust systems A turboscreen for use with diesel exhaust systems comprises a plurality of parallel metal V-shaped wires joined with a peripheral band. The turboscreen is reversibly provided within a housing assembly that permits removal of the interior screen without detaching the... | 02/13/2007 |
| 7150151 | Method of controlling the exhaust gas temperature for after-treatment systems on a diesel engine using a variable geometry turbine A method for controlling a variable geometry turbine of a turbocharger to increase the temperature of the exhaust gas delivered to an after-treatment system. In one form the method includes reducing a fluid flow area to the turbine below a normal size and bypassing ... | 12/19/2006 |
| 7121081 | Exhaust gas recirculation afterburner An embodiment of the invention includes an exhaust gas recirculation (EGR) valve, an intake pipe, and an afterburner. As the intake valve communicates an exhaust gas stream to an EGR valve, an afterburner affixed to an inside wall of the intake pipe captures and bur... | 10/17/2006 |
| 7122067 | Intake air filter for an internal combustion engine An intake air filter (1) is for an internal combustion engine, especially in a motor vehicle. The filter has a filter housing (2) having a raw air inlet (4), a pure air outlet (5), and an annular filter element (3) which is arrange... | 10/17/2006 |
| 7121862 | Electrical connector with an improved retainer A card edge connector assembly is adapted for mounting on a printed circuit board to electrically connect with a daughter card. The connector assembly includes a dielectric housing defining a longitude direction, a transverse direction perpendicular to the longitude... | 10/17/2006 |
| 7117666 | Direct fuel injection/spark ignition engine control device An engine control device is configured to cause an engine to operate at the optimum combustion mode according to the load when warming up of an emissions purification catalyst is required, and to obtain reduced HC discharged from the engine and accelerated warm-up o... | 10/10/2006 |
| 7114324 | Method for operating a lean burn engine with an aftertreatment system including nonthermal plasma discharge device In an exhaust aftertreatment system, which includes a nonthermal plasma discharge device followed by a NOx storage device followed by a precious metal catalyst, a method is disclosed for operating the engine at a lean air-fuel ratio when the NOx storage device is no... | 10/03/2006 |
| 7081231 | Method and system for the combination of non-thermal plasma and metal/metal oxide doped γ-alumina catalysts for diesel engine exhaust aftertreatment system The present disclosure pertains to a system and method for treatment of oxygen rich exhaust and more specifically to a method and system that combines non-thermal plasma with a metal doped γ-alumina catalyst. Current catalyst systems for the treatment of oxygen ric... | 07/25/2006 |
| 7073626 | Engine exhaust muffler with guide vanes imparting a successively alternating spiral swirl gas flow A muffler has a housing (2) through which exhaust gas flows and which has at least one housing chamber (3, 5) and in which deflecting elements (13 to 16) serving to make the gas swirl are arranged spaced one behind another along a main ax... | 07/11/2006 |
| 7045220 | Metal casting fabrication method A metal casting fabrication method is provided. In accordance with the method, first a metal plate is disposed in the cavity of molding dies. This metal plate includes a first surface formed with a heat insulating layer, and a second surface opposite to the first su... | 05/16/2006 |
| 7021047 | Diesel exhaust aftertreatment device regeneration system A diesel exhaust aftertreatment device regeneration system includes an exhaust conduit adapted to conduct exhaust gas to an exhaust gas aftertreatment device. The system further includes a low pressure bottom feed fuel injector having an inlet portion fully received... | 04/04/2006 |
| 7018590 | Reverse flow catalytic muffler A catalytic muffler having a housing with a first chamber and a second chamber fluidly communicating through a catalyst bed interspersed there between. A first baffle assembly in the first chamber extends between the catalyst bed and the housing. An inlet passage ex... | 03/28/2006 |
| 6996977 | Decoupling hose for a motor vehicle exhaust system A method of avoiding damage to a decoupling hose mounted between two tubes of a motor vehicle exhaust system, said hose comprising a deformable inner portion, an outer sealing leakproofing portion in the form of a continuous and leaktight sleeve having a flexible ce... | 02/14/2006 |
| 6994930 | Direct fired reciprocating engine and bottoming high temperature fuel cell hybrid A system of a fuel cell bottoming an internal combustion engine. The engine exhaust gas may be combined in varying degrees with air and fed as input to a fuel cell. Reformer and oxidizers may be combined with heat exchangers to accommodate rich and lean burn conditi... | 02/07/2006 |
| 6994117 | Piping elbow liners Liners useful as piping elbow liners comprising a body liner, a tangential inlet liner, and a tangential outlet liner. The tangential inlet liner and the tangential outlet liner can be removably inserted into a cavity in the body liner. The body liner can comprise t... | 02/07/2006 |
| 6962434 | Liner wear detection Methods and apparatus for detecting wear in a liner. In one embodiment of the present invention, an electrically conductive wire is placed on or near the outside surface of the liner and the electrical resistance in the electrically conductive wire is measured to de... | 11/08/2005 |
| 6962049 | Exhaust manifold for four-cylinder engine In an exhaust manifold of a four-cylinder engine four cylinders of which line up in order of cylinder #1, cylinder #2, cylinder #3 and cylinder #4, temperature rise performance of a manifold catalyst improves by shortening a total length ... | 11/08/2005 |
| 6933056 | Exhaust manifold and method of making the same An exhaust manifold (10) of the present invention comprises a liner (12) that includes inner surface (14) defining manifold passages and an outer surface (16). The exhaust manifold (10) includes a shell (18) of a homogeneous... | 08/23/2005 |
| 6923942 | Compressible preform insulating liner The invention provides a preform insulating end cone suitable for forming the end cone of a pollution control device. The preform insulating end cone includes a cone shaped intumescent or non-intumescent sheet material. The sheet material has a plurality of slits en... | 08/02/2005 |
| 6918246 | Structure of an exhaust manifold branch collecting portion A structure of an exhaust manifold branch collecting portion includes a double collecting pipe 21 for collecting a plurality of exhaust openings 11A, 17A. The double collecting pipe 21 is comprised of an inner pipe 21-1 and ... | 07/19/2005 |
