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| Number | Title | Issue Date |
| 7431757 | Water and sulfur removal from combustion turbine exhaust A combustion turbine power plant (10) incorporating a desiccating scrubber (140) for simultaneously removing water and sulfur from a flue gas (20) of the power plant (10). The desiccating scrubber (140) may include an inlet nozzle ... | 10/07/2008 |
| 7340889 | Method and apparatus for treating exhaust gases from combustion sources A method and apparatus for removing contaminant emissions from the exhaust stream of a combustion device, comprising increasing the dew point of the exhaust gases; reducing the velocity of the exhaust stream; reducing the temperature of the exhaust stream such that ... | 03/11/2008 |
| 7287373 | Exhaust pipe collecting structure of multiple cylinder engine and personal watercraft An exhaust pipe collecting structure for a multi-cylinder engine unit having multiple cylinders including a first exhaust pipe group and a second exhaust pipe group, each of which has two exhaust pipes selected from four exhaust pipes respectively connected to the f... | 10/30/2007 |
| 7228684 | Internal combustion engine An internal combustion engine includes a plurality of cylinders (1 through 12) and at least one turbocharger (2) and at least one exhaust manifold (13) which passes exhaust gases from two or more cylinders (5, 6) to the turbocharge... | 06/12/2007 |
| 7192469 | Exhaust treatment device, system and methods for internal combustion engines A device, system and methods related to the same are provided for the treatment of exhaust gases from internal combustion engines. An exhaust treatment device is provided comprising a chamber containing a liquid bath through which exhaust gases are directed for remo... | 03/20/2007 |
| 7175491 | Assembly system for a marine propulsion device A marine propulsion system is configured to be assembled, as one unitary structure, into a marine vessel. A transom attachment member is provided and is attachable to both an engine and a drive unit to form a single marine propulsion system structure which can be lo... | 02/13/2007 |
| 7163571 | Exhaust gas cooler and particulate scrubbing system An exhaust gas cooling and particulate scrubbing system for automobiles includes a first stage intercooler for initial, indirect cooling of the exhaust gas and a direct exhaust gas cooling and scrubbing device preferably positioned downstream in the exhaust system t... | 01/16/2007 |
| 7160161 | Reduced pressure mixing device for marine vessel exhaust gas A reduced pressure mixing device is for marine vessel exhaust gas with water, with the gas/water mixture that is produced in the device being passed out into the water in which the ship is floating. The device is designed such that gas and water flow through and to ... | 01/09/2007 |
| 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 |
| 7065961 | Exhaust system with an integral moisture trap A moisture trap is formed as an integral part of the wall of an exhaust conduit. Tapered surfaces can be provided to direct condensate downwardly and into a reservoir of the moisture trap where the moisture is retained until the temperature of the exhaust system rea... | 06/27/2006 |
| 7056174 | Drainage structure of exhaust resonator The invention is directed at increasing the degree of freedom in layout of the resonator, and the exhaust system including the resonator will be improved. Also, the invention is directed at a resonator and exhaust system wherein when an attempt is made to raise the ... | 06/06/2006 |
| 7013565 | Removable collector for liquid cooled exhaust A removable collector for liquid cooled exhaust includes a retention member, a coolant transfer plate and a collector housing. The retention member fits between at least two exhaust jacket pipes and is attached thereto. Holes are formed through the coolant transfer ... | 03/21/2006 |
| 7001231 | Dual water injector for primary and idle relief exhaust passages A water cooling system for an outboard motor provides a water conduit that extends through both an idle exhaust relief passage and a primary exhaust passage. Water within the water conduit flows through first and second openings to distribute sprays or streams of wa... | 02/21/2006 |
| 6994604 | Method for inhibiting water ingestion in a four cycle marine engine A method is provided for avoiding water ingestion through an exhaust system into the cylinders of an engine during an engine shutdown procedure. Air is allowed to flow into the air intake conduit, either through an opened throttle plate or through an opened idle air... | 02/07/2006 |
| 6929520 | Cooling method for a marine propulsion system A method for cooling a marine propulsion system directs a portion of a recirculating stream of cooling water to a first port of an exhaust manifold so that a cooling jacket of the exhaust manifold can be maintained in a filled condition. Water flows upwardly through... | 08/16/2005 |
| 6921307 | Exhaust system for outboard motor An outboard motor includes a housing unit mounted on an associated watercraft. An engine is disposed above the housing unit. The engine defines a first exhaust passage communicating with a combustion chamber of the engine. The housing unit defines a second exhaust p... | 07/26/2005 |
| 6913499 | Exhaust passage of small watercraft, method of connecting exhaust pipe, and water muffler An exhaust passage configured to discharge an exhaust gas from an engine of a small watercraft, comprises at least a first exhaust pipe, a second exhaust pipe connected to the first exhaust pipe, and a connecting structure configured to connect the first exhaust pip... | 07/05/2005 |
| 6910930 | Exhaust diverter nozzle An exhaust diverter nozzle used in seawater cooling of the exhaust of marine engines, particularly diesel, without added back pressure the nozzle diverts the seawater in the exhaust at low engine rpm (1600–2000 rpm) in a manner which greatly enhances the vaporizat... | 06/28/2005 |
| 6901753 | Engine expansion pipe An expansion pipe for an engine which has a curved tubular body, a first connector for connecting an interior of the body to an exhaust part of the engine, and a second connector which is used for connecting an interior of the body to an exhaust gas treatment device... | 06/07/2005 |
| 6820419 | Marine wet exhaust system A marine wet exhaust system (10) which injects water into the exhaust flow for cooling and attenuating noise includes a particulate capture and containment system (14) for removing particulates and fluid contaminants from the exhaust gas and the waste ... | 11/23/2004 |
| 6810662 | Method and apparatus for purifying a gas flow The invention relates to a method for purifying a gas flow, the method comprising spraying of water mist into the gas flow by utilizing at least one spray nozzle thereby causing a negative pressure in the immediate vicinity of the nozzle for sucking the gas flow int... | 11/02/2004 |
| 6799422 | Emissions control A method of controlling emissions from a fixed-speed internal combustion engine includes injecting a controlled flow of air into the exhaust between a first catalyst bed adapted to reduce HC and NOx emissions, and a second catalyst bed adapted to reduce CO emissions... | 10/05/2004 |
| 6625977 | Method and a system for removing particulates and toxic substances from an exhaust of an engine that use hydrocarbons as a fuel A method and a system for treating an internal combustion engine exhaust gas using a hydrocarbons as fuel. The internal combustion engine exhaust gas contains particulates and toxic substances. Such particulates and toxic substances being liquid and gaseo... | 09/30/2003 |
| 6393836 | Treatment device for exhaust of a vehicle A treatment device for exhaust of a vehicle has a main body, a filter net, and a covering lid. The main body includes an exhaust storage chamber and an outer inlet pipe in communication with the exhaust storage chamber for guiding the exhaust from the exh... | 05/28/2002 |
| 6378299 | Engine exhaust cooling system A system for cooling the exhaust of a marine diesel engine, including a water can having a central exhaust flow passage, and inner and outer walls defining a water manifold, a water source fluidly connected to the water manifold for supplying water to the... | 04/30/2002 |
| 6280270 | Assembly and method for routing exhaust through a gimbal in a stern drive A propulsion system made up of an engine located in the interior of a marine vessel is provided. The engine has an exhaust discharge member in communication with a propulsion unit. A gimbal ring has a pivotable exhaust passage connected to pass exhaust fr... | 08/28/2001 |
| 6240725 | Internal combustion engine exhaust treating apparatus and method An apparatus and method for the removal of carbon particles (soot), odor, gas and particulate from the exhaust of a diesel engine. The method includes a carbon (soot) collector which collects the carbon (soot) and noxious odor which is connected to the ca... | 06/05/2001 |
| 6226984 | Marine wet exhaust system The invention relates to a marine wet exhaust system and a method for treating the exhaust from a marine engine. The system comprises a first conduit for receiving an exhaust flow including gaseous, liquid and particulate solid components, a separator for... | 05/08/2001 |
| 6224440 | Watercraft exhaust system Embodiments of personal watercraft that incorporate improved exhaust silencing systems. The silencing systems include an exhaust silencer that silences higher frequency sounds that are difficult to silence with expansion chambers. The silencer is position... | 05/01/2001 |
| 6212883 | Method and apparatus for treating exhaust gas from vehicles A method and apparatus for treating exhaust gas produced from the combustion of fuels is disclosed. Pollutants such as unburnt hydrocarbons, carbon monoxides, oxides of nitrogen and oxides of sulfur are oxidized by ozone in an ozone contractor, and then r... | 04/10/2001 |
| 6035633 | Water jacketed exhaust pipe for marine exhaust systems A water jacketed exhaust pipe comprising an inner liner, an outer shell, and a spray ring. The inner liner includes an internally tapered section which clips the turbulence that occurs along the inner walls of the liner. As a result, fluid expelled from t... | 03/14/2000 |
| 6032462 | Apparatus for cleaning vehicle exhaust gases An apparatus is disclosed for cleansing and filtering exhaust gas of a vehicle having an internal combustion engine including an exhaust gas cleansing chamber having an exhaust gas inlet and an exhaust gas outlet, the exhaust gas inlet connected to the ex... | 03/07/2000 |
| 5910095 | Fiber reinforced ceramic matrix composite marine engine riser elbow A corrosion-resistant, thermally insulative riser elbow for a marine engine. The riser elbow has an exhaust gas conduit made of fiber reinforced ceramic matrix composite (FRCMC) material formed from a polymer-derived ceramic resin in its ceramic state and... | 06/08/1999 |
| 5881555 | Exhaust pressure pulsation control apparatus for marine propulsion system An improved exhaust pressure pulsation control apparatus for a marine propulsion system has a front ring, a reflector disk located downstream of the front ring, and a plurality of connecting members connecting the front ring to the reflector disk. Each co... | 03/16/1999 |
| 5857324 | Internal combustion engine exhaust treating apparatus and method An apparatus and method for removing gasses and particulate matter from automobile exhaust. The apparatus includes a heat exchanger connected to an automobile exhaust system for cooling exhaust and condensing at least a portion of the exhaust into a liqui... | 01/12/1999 |
| 5746054 | Method and apparatus for tuned pipe water injection In an exhaust expansion chamber or tuned pipe of a two-cycle engine in a watercraft, variable amounts of water are injected, thus cooling the temperature within the expansion chamber and matching the sonic wave speed with that of the correct rpm of the mo... | 05/05/1998 |
| 5740670 | Water jacketed exhaust pipe for marine exhaust systems A water jacketed exhaust pipe comprising an inner liner, an outer shell, and a spray ring. The inner liner includes an internally tapered section which clips the turbulence that occurs along the inner walls of the liner. As a result, fluid expelled from t... | 04/21/1998 |
| 5644914 | Exhaust pressure pulsation control apparatus for a marine propulsion system An exhaust pressure pulsation control apparatus for a marine propulsion system has a front ring and a reflector disk located downstream of the front ring. There is a space between the front ring and the reflector disk that is sufficiently large so that th... | 07/08/1997 |
| 5632660 | Watercraft catalytic exhaust system A number of embodiments of personal watercraft having catalytic exhaust systems for treating and purifying the exhaust gases. In all of the embodiments, the catalyst is positioned and disposed so as to be protected from water. In addition, arrangements ar... | 05/27/1997 |
| 5633481 | Exhaust pipe construction An exhaust pipe construction for a motor vehicle includes a connecting device, a discharge device, and a filter disposed between the connecting device and the discharge device. The connecting device is a tee tube having a first port connected to an exhaus... | 05/27/1997 |
