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8986059 Marine propulsion device  
A marine propulsion device includes an engine, an exhaust passage, a porous body, a retainer mat, and a stopper portion. The engine includes an exhaust port. The exhaust passage connects to the...
8944870 Outboard motor  
An exhaust passage of an outboard motor includes a first exhaust passage and a second exhaust passage. The second exhaust passage is positioned on a downstream side of the first exhaust passage. A...
8886442 Water jet propulsion watercraft  
A water jet propulsion watercraft includes a hull, an engine, a jet propulsion device, a fuel injection apparatus, an exhaust channel, and an engine control unit. The engine includes a combustion...
8876566 Marine exhaust system with idle relief chamber  
A marine drive and marine exhaust pipe include a main exhaust flow chamber and an auxiliary idle relief chamber. The auxiliary idle relief chamber vents exhaust above the surface of the body of...
8874309 Method for acquiring information  
A method for acquiring information from a driving operation of a vehicle, in which first information is acquired with respect to at least one operating state of the vehicle and additional second...
8869517 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...
8858283 Engine, outboard motor, and watercraft  
An engine includes a cylinder block including a plurality of cylinders, an exhaust manifold, and an exhaust pipe. The exhaust manifold includes a first passage and a second passage. The first...
8839611 Exhaust injection muffler  
An internal combustion engine is coupled to an electric power generator. An exhaust manifold for the engine includes an exhaust gas conduit. A housing includes a catalyst in fluid communication...
8814619 Outboard motor and method for manufacturing outboard motor  
An outboard motor includes an engine, an exhaust manifold, and a lower exhaust passage. The engine includes a plurality of cylinders, and a plurality of exhaust ports. The cylinders are disposed...
8808045 Method and system for controlling the exhaust gases from an engine  
A method for controlling the exit of exhaust gases from an engine which is used to power an underwater propeller drive arranged at the hull bottom of a boat is provided. According to the method...
8808415 Exhaust intake bonnet (EIB) for maritime emissions control system  
An improved Exhaust Intake Bonnet (EIB) for an Advanced Maritime Emissions Control System (AMECS) includes a shroud carried by a rigid upper frame and a lowerable and raisable rigid lower frame....
8801482 Engine, outboard motor, and watercraft  
An engine includes a cylinder block including a plurality of cylinders disposed along a V-shaped line, a pair of exhaust manifolds disposed inside the V-shaped line, and an exhaust pipe disposed...
8769940 Marine exhaust catalyst  
An internal combustion engine is coupled to an electric power generator. An exhaust manifold for the engine includes an exhaust gas conduit. A housing includes a catalyst in fluid communication...
8764501 Outboard motor  
An outboard motor includes an engine, exhaust ports, an exhaust passage, a catalyst member, and a water capture member. The exhaust passage includes a first passage, a second passage, a third...
8708761 Vessel propulsion apparatus  
A vessel propulsion apparatus includes an exhaust passage guiding exhaust generated at an engine, a water jacket cooling at least a portion of the exhaust passage, a cooling device supplying water...
8690624 Vessel propulsion apparatus  
A vessel propulsion apparatus includes a first exhaust passage including an upward guiding portion that guides exhaust generated by an engine upward, a second exhaust passage disposed at a...
8651908 Anti-ingestion system for a marine drive  
An anti-ingestion system is provided for a marine drive with a submerged exhaust outlet. An anti-ingestion valve is operated by differential pressure thereacross to a closed condition when the...
8647162 Machinery arrangement for marine vessel  
The invention relates to a 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...
8607554 Exhaust cooler  
An internal combustion engine is coupled to an electric power generator. An exhaust manifold for the engine includes an exhaust gas conduit. A housing includes a catalyst in fluid communication...
8585452 Marine propulsion device  
A marine propulsion device includes an engine, an exhaust passage, a porous body, a retainer mat, and a stopper portion. The engine includes an exhaust port. The exhaust passage connects to the...
8549848 Machinery arrangement for marine vessel  
The invention relates to a machinery arrangement, which comprises a combus-tion unit (3) arranged in an engine room (11), and an exhaust gas duct assem-bly (4) connected to the combustion unit (3)...
8539894 Marine vessel provided with vertically arranged revolving cylinders  
The invention relates to a marine vessel (1) comprising a hull (2) and a propulsion arrangement including an internal combustion engine (3), an exhaust gas arrangement (4), and a propulsion unit...
8480444 Rotary engine jet boat  
A boat includes a hull, an inboard rotary engine, and a jet propulsion unit connected to the engine via a direct drive connection. The hull may be a stepped hull with one or more aft steps. A...
8469754 Outboard motor  
An outboard motor includes an exhaust passage, a catalyst member, and a water capture member. The exhaust passage includes a first passage, a second passage, a third passage, and a fourth passage....
8403717 Exhaust system for a marine vessel  
A marine propulsion system has an exhaust conduit conveying exhaust gases from an internal combustion engine. The exhaust conduit has a dry portion and a wet portion located downstream of the dry...
8402746 Exhaust gas capture system for ocean going vessels  
An exhaust gas capture system for capturing the exhaust gas emitted by auxiliary engines, auxiliary boilers, and other sources on an Ocean Going Vessel (OGV) while at berth or at anchor so that...
8366501 Outboard motor  
An outboard motor includes an engine, a housing, a catalyst, and an engine cover. The housing includes a partitioning wall that is arranged to partition an interior of the housing into a first...
8359843 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...
8317557 Anti-ingestion system for a marine drive  
An anti-ingestion system is provided for a marine drive with a submerged exhaust outlet. An anti-ingestion valve is operated by differential pressure thereacross to a closed condition when the...
8302632 Mount structure of two-way valve for fuel tank of small boat  
A mount structure for a two-way valve for a fuel tank of a small boat for improving mountability of the two-way valve while ensuring strength of the deck. The interior space of the boat, which is...
8287324 Water jet propulsion watercraft  
A water jet propulsion watercraft includes a hull having a sealed engine room, an engine installed in the engine room, a jet propulsion unit arranged to be driven by the engine so as to suck in...
8221173 Water jet propulsion watercraft  
A water jet propulsion watercraft includes an engine, an exhaust channel, and an engine control unit. The engine includes a combustion chamber arranged to combust fuel therein, an exhaust port...
8216011 Outboard engine unit  
Outboard engine unit includes: an anti-splash plate and an anti-cavitation plate provided on a gear case at a vertical interval from each other and extending horizontally from the gear case; an...
8118631 Outboard motor  
An outboard motor includes an engine, and a top cowling and a bottom cowling that are arranged to cover the engine. A flow-joining pipe is connected to each exhaust port of a plurality of...
8113894 Outboard engine unit  
Exhaust passage system in an outboard engine unit includes: an engine-side exhaust pipe; a downstream exhaust pipe for directing exhaust gas downstream from the engine-side exhaust pipe, a lower...
8091354 Exhaust assembly with universal multi-position water trap  
An exhaust assembly includes a water trap blocking upstream water flow at a plurality of angular positions enabling universal application and flexibility of orientation.
8091534 Installation structure for compressor  
An engine is provided to facilitate installation of a compressor on an engine. The engine can include a crankshaft, a front end, and an installation structure, and can be disposed in an engine...
8075651 Ellipsoid exhaust intake bonnet (EIB) for maritime emissions control system  
An improved Exhaust Intake Bonnet (EIB) for an Advanced Maritime Emissions Control System (AMECS) includes a ribbed frame lowered and then drawn around a stack of an Ocean Going Vessel (OGV), and...
8070542 Engine exhaust bypass system for ocean vessel  
A primary exhaust bypass for a water-borne vessel having a seat member and a closure member coupled to the seat member, wherein the seat and closure members are configured to seal against exhaust...
8062084 Outboard motor  
An outboard motor includes an engine and an exhaust pipe. The engine has a crank case, a cylinder body, and a cylinder head aligned along the front-rear direction of the outboard motor, and...
8011985 Outboard motor  
An outboard motor includes an engine, and a top cowling and a bottom cowling that are arranged to cover the engine. A flow-joining pipe is connected to each exhaust port of a plurality of...
8002597 Outboard motor  
An engine is disposed in a top cowling. Burned gas produced in the engine is discharged to the outside through a first exhaust pipe, a second exhaust pipe, a third exhaust pipe, exhaust passage,...
7930883 Exhaust device of six-cylinder engine  
An exhaust device of a six-cylinder engine includes first to sixth cylinders and a manifold extending from the first to sixth cylinders. The first to sixth cylinders are ignited in that order. The...
7886870 Exhaust apparatus for small boat  
An exhaust apparatus for a small boat for reducing exhaust noise. A water muffler is provided at a midsection of the exhaust pipes extending from an engine which is provided in a boat body. An...
7867048 Outboard motor  
An outboard motor includes an engine, and a top cowling and a bottom cowling that are arranged to cover the engine. A flow-joining pipe is connected to each exhaust port of a plurality of...
7856812 Exhaust device of eight-cylinder engine  
An exhaust device of an eight-cylinder engine can include first to eighth cylinders and a manifold. The first to eighth cylinders are ignited in that order. The exhaust manifold includes first to...
7841173 Conservation of energy catalyst monitor  
A marine engine control system comprising a water jacket, an outlet sensor, and a control module. The water jacket directs a flow of water across a catalytic converter to cool the catalytic...
7806064 Friction reducing pollution control system for marine vehicles  
An exhaust redirect line in communication with an engine exhaust channel of a marine vehicle receiving exhaust gas. A blower unit in the exhaust redirect line directing the exhaust gas through the...
7803026 Marine engine exhaust system  
A marine engine exhaust system is provided. One exemplary embodiment of the system includes first and second manifolds. A first gas is transferred through a first conduit from the first manifold...
7704111 Exhaust system of outboard motor  
An outboard motor includes a multi-cylinder engine which includes cylinders longitudinally oriented and vertically paralleled in a cylinder block, a cylinder head arranged at a rearward position...