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6474697 |
Exhaust elbow
An exhaust elbow ( 1 ) is provided with a single exhaust outlet ( 2 ) with an outlet mounting flange ( 3 ) and at least two exhaust inlets ( 4, 5, 6 ) with an inlet mounting flange ( 7 ) for...
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6467261 |
Double exhaust pipe for engine
A double exhaust pipe for an engine includes an inner pipe shell, and an outer pipe shell in which the inner pipe shell is accommodated. The inner pipe shell is secured at one end thereof to the...
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6467260 |
Gas flow headers for internal combustion engines
An exhaust header system for an internal combustion engine having improved exhaust gas flow characteristics. Primary pipes extend from openings in a flange bolted to the engines exhaust ports. The...
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6454622 |
Exhaust system for 4-cycle engine of small watercraft
An internal combustion engine, which can be disposed in a water vehicle, includes an exhaust system having features improving the performance, ease of manufacturing, and/or the water preclusive...
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6438949 |
Cover member attachment structure
Heat shielding panels are attached to exhaust pipes and a silencer by using small set springs and large set springs. Distortion on a heat shielded panel, which would be caused when attaching a heat...
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6427440 |
Built-up airgap-insulated exhaust manifold of a motor vehicle and method for producing it
A built-up airgap-insulated exhaust manifold of an exhaust system of a motor vehicle includes at least two exhaust pipes with an inlet flange attached in each case to one end and to be fastened to...
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6425243 |
Hybrid exhaust manifold for combustion engines
An exhaust manifold 10 having a body 12 and a plurality of flanges 14-24 . The body 12 is separately fabricated apart from flanges 14-24 . The flanges 14-24 are later joined to the body...
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6425790 |
Exhaust arrangement for outboard motor
An outboard motor has an exhaust pipe assembly extending through a driveshaft housing. The exhaust pipe is separated into an upstream exhaust pipe and a downstream exhaust pipe which are formed...
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6415603 |
Flexible connector assembly
A connector assembly for connecting a catalytic converter assembly to a muffler and tailpipe assembly includes first and second flexible portions, and a middle portion disposed between the flexible...
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6397589 |
Exhaust pipes and assemblies
Manifold pipe assemblies and exhaust manifold assemblies, optionally in combination with internal combustion engines, for receiving hot gases from such heat source, and conveying such hot gases...
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6393835 |
Exhaust muffler comprising a catalytic converter
The invention relates to an exhaust-gas muffler on an internal combustion engine in a motor chain saw. The exhaust-gas muffler includes a housing ( 1 ) which is assembled of two housing shells ( 2,...
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6374600 |
Vehicle engine exhaust system
In a vehicle exhaust system, downstream end portions of front and rear exhaust pipes Ef, Er which respectively connect to front and rear cylinder banks are arranged side by side with each other in...
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6349542 |
Silicon carbide (SiC) composite exhaust manifold and method of making it
An exhaust manifold for conducting heated exhaust gas from an internal combustion engine to an exhaust system. The exhaust manifold includes a preform and a metal layer enclosing the preform. The...
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6332314 |
Catalyzer arrangement in exhaust system of multi-cylinder internal combustion engine
In a catalyzer arrangement in an exhaust system of a multi-cylinder internal combustion engine, each of exhaust pipes connected with exhaust ports of the engine has a first exhaust pipe section...
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6327854 |
Fastening an exhaust manifold to an engine cylinder head
An apparatus and method of attaching an exhaust manifold to an engine's cylinder head utilizing an oversized hole in the manifold, a stud fastener extending through the oversized hole, a spacer...
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6324839 |
Exhaust manifold for internal combustion engines
An exhaust manifold which includes a flange to be fixed on an engine cylinder head. A wide exhaust gas collecting cavity is connected to the flange to receive exhaust gases discharged by exhaust...
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6324838 |
Flow deflector member for exhaust manifold
An exhaust manifold for a combustion engine which includes a flow deflector member to redirect the flow of exhaust through the catalytic converter in the exhaust system. The deflector member is in...
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6324837 |
Uncoupling element for uncoupling vibrations
An uncoupling element is proposed for uncoupling vibrations in an exhaust gas conduit of an internal combustion engine, having a screw thread-shaped or annular waved, metal corrugated hose, which...
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6321532 |
Multiple tract exhaust manifold/header
An exhaust system which unexpectedly increases engine performance significantly contains multiple tracts for exhaust gases to travel within upon exiting an internal combustion engine. The multiple...
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6298660 |
Low thermal inertia integrated exhaust manifold
A non-metallic vehicle gas-directing component includes a plurality of ceramic members embedded within an inner surface. The ceramic members extend into a passageway to form a boundary layer...
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6293098 |
Method and apparatus for joining pressurized exhaust manifold sections
A joint assembly for a pressurized, multi-sectional exhaust manifold comprising a joint member, tubular in cross section having a first end and a second end and a throughbore extending...
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6263669 |
Exhaust manifold of gasoline engine
An exhaust manifold of an internal combustion gasoline engine includes first, second, third and fourth runners and mixing pipe, one end of each runner being connected to a cylinder head and another...
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6256990 |
Exhaust manifold integrally cast with turbine housing for turbocharger
An exhaust manifold integrally cast with a turbine housing for a turbocharger has pipe portions having exhaust gas flow paths and a plurality of ports adapted to receive an exhaust gas; flanges...
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6254142 |
Exhaust manifold flange for an internal combustion engine
An exhaust manifold flange for an internal combustion engine, for sealably connecting at least one stub pipe of an exhaust manifold to a wall of the engine, the flange has a basic part made of...
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6247552 |
Air gap-insulated exhaust manifold
An air gap-insulated exhaust manifold with a double-walled design provided only in the area of the collection pipe, while only a single-walled design is provided in the area of the individual...
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6230490 |
Exhaust manifold for internal combustion engines
An exhaust manifold is constructed of material varying in thickness. Auxiliary cooling, such as from an air flow, to a portion of the exhaust manifold, permits making this portion thinner than a...
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6223527 |
Motor vehicle with internal combustion engine and catalytic converter
In the case of an internal combustion engine (1) arranged transversely in a motor vehicle and having in-line cylinders, the exhaust gases are passed forwards in the direction of travel around the...
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6209319 |
Pipe assembly having inner and outer pipes
A pipe assembly includes an inner pipe and an outer laminated pipe disposed around the inner pipe for use in conveying exhaust gases from an internal combustion engine. The outer pipe is formed...
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6205778 |
Exhaust pipe assembly for multi-cylinder internal combustion engine
An exhaust pipe assembly for a multi-cylinder internal combustion engine is made up of a plurality of exhaust pipes made of steel whose upstream ends are connected to a flange provided for...
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6199376 |
Extension of exhaust manifold conduit into exhaust pipe
An exhaust manifold for an internal combustion engine includes a set of exhaust manifold conduits. Pairs of the exhaust manifold conduits converge and are joined at their downstream portions. The...
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6189637 |
Horizontally opposed type engine for motorcycle
A horizontally-opposed type engine for a motorcycle, in which a pair of left and right cylinder heads are connected to a pair of left and right cylinder blocks in such a manner that combustion...
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6182447 |
Exhaust pipe structure for vehicle
A front exhaust pipe is connected to a front engine block, and a rear exhaust pipe is connected to a rear engine block. The front exhaust pipe extends from the front engine block downward, and...
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6164067 |
Knuckle joint for an exhaust system
A knuckle joint 18 for the exhaust system of an internal combustion engine comprises first and second pipe segments 20, 22, the second pipe segment having an outwardly deformed end portion 24 which...
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6161379 |
Method for supporting a ceramic liner cast into metal
An improved apparatus for withstanding the high temperatures in the exhaust assembly of an internal combustion engine. A quilted insulating element is extended about a liner of a manifold or port...
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6158214 |
Exhaust silencer arrangement
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6155046 |
Heat-insulation type exhaust manifold
An exhaust manifold M is comprised of a plurality of inner exhaust pipe shells secured to an upper flange, and a plurality of outer exhaust pipe shells secured to the upper flange to individually...
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6155045 |
Engine flange
A flange for attaching an exhaust manifold to an engine block. The flange having two layers of sheet metal plates accurately connected to each other and having openings which are aligned with the...
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6151893 |
Flexible tube for automobile exhaust systems
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6134886 |
Exhaust manifold
05267372 An exhaust manifold includes a curved end portion and at least two T-shaped portions connected to the curved portion through sliding fits, wherein the end portion and the T-shaped portions...
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6122911 |
Exhaust manifold pipe weld assembly
An exhaust manifold for an internal combustion engine includes one or more pairs of pipe members. Each pipe member has a downstream end portion, and includes along its downstream end portion a side...
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6109562 |
Aircraft construction
An aircraft construction having an aircraft engine and an engine nacelle having a wall housing the engine. A cowl door is provided in the wall of the nacelle providing access to the engine to...
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6082103 |
Exhaust manifold, for internal combustion engine, for improving durability of oxygen sensor at merging portion of exhaust manifold
An exhaust manifold comprising a plurality of exhaust pipes and a merging portion applies exhaust gas from each cylinder uniformly to an oxygen sensor in a merging portion at low speed thereby...
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6082104 |
Stainless double tube exhaust manifold
An exhaust manifold has inner and outer tubes made of stainless steel and welded to flanges provided at inlet ports of the exhaust manifold, from which exhaust gas discharged from an engine enters...
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6062024 |
Manifold for a turbo-charged internal combustion engine
An exhaust manifold and a turbine housing for a turbo-charged five-cylinder engine are cast as a single piece. This arrangement renders unnecessary a flanged connection between a separate exhaust...
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6062020 |
Exhaust manifold converter apparatus
A manifold converter apparatus comprising a manifold housing including a plurality of inlets wherein each inlet of the plurality of inlets is mounted immediately adjacent an internal combustion...
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6055806 |
Exhaust manifold seals to eliminate oil slobber
An exhaust manifold seal arrangement to eliminate oil slobber comprises a counter bore in cylinder head exhaust ducts, a spiral wound gasket with chevron shaped ends and a barrel shaped portion...
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6052991 |
Arrangement for interconnecting two pipe sections in a motor vehicle exhaust system
In an arrangement for interconnecting two exhaust pipe sections of a motor vehicle exhaust system with a vibration dampening structure disposed between the two pipe sections, a first one of the...
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6052990 |
Exhaust pipe and method and system for enhancing engine performance
A double U shaped exhaust pipe having varying internal pipe diameters for increasing horsepower, designed within internal combustion engine vehicle racing or other rules that limit such features as...
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6041595 |
Thermal insulation for the exhaust manifold for reducing passive formation of NO.sub.x and reduction of unburned hydrocarbons in the exhaust gas
An insulation blanket is applied around the exhaust manifold of an internal combustion engine to maintain higher exhaust gas temperature in the manifold, thus both to enhance oxidation of unburned...
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6038855 |
Collector device for the primary pipes of an exhaust manifold
A collector is disclosed for the primary pipes of an exhaust manifold in an internal combustion engine. The collector includes a common cavity and a plurality of primary pipes having a first...
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