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7610748 Mounting structure for an air-fuel ratio sensor in a motorcycle, and exhaust subassembly including same  
A mounting structure is provided for an air-fuel ratio sensor on an exhaust pipe in a motorcycle in which a concentration of oxygen in an exhaust gas can be detected efficiently and accurately by...
7603853 Apparatus and method for modeling and fabricating tubular members  
A plurality of interchangeable straight and curved short cylindrical module segments are selectively and releasably joined together end-to-end manually and rotated relative to one another to form...
7596944 Mixing element for an exhaust gas system  
The present invention relates to a mixing element and an exhaust system of an internal combustion engine. The mixing element has two inlet openings and two outlet openings, wherein each inlet...
7578125 Exhaust manifold with catalytic converter shell tube  
A catalytic converter subassembly having at least one component inserted during the manufacture of a cast exhaust manifold, thereby eliminating a costly and undesirable manifold to converter weld. ...
7559196 Exhaust system of an internal combustion engine  
An exhaust system of the internal combustion engine comprises upstream main paths for cylinders that are attached to a side of a cylinder head and extend towards a side of the engine, and are...
7520127 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...
7503171 Exhaust system for an internal combustion engine  
An exhaust system for an internal combustion engine having a plurality of cylinders is disclosed. The exhaust system comprises a plurality of exhaust branch passages, an intermediate exhaust pipe...
7497079 Exhaust manifold  
An exhaust manifold is provided with a plurality of branch pipe parts and a collecting pipe part. The plurality of branch pipe parts are respectively connected to a plurality of exhaust ports of a...
7458210 Vehicle exhaust apparatus and motorcycle equipped therewith  
In a vehicle exhaust apparatus constituting an exhaust passage to an exhaust muffler from a plurality of exhaust pipes connected to a multi-cylinder engine, an expansion chamber is formed along the...
7454901 Exhaust system, and engine device and vehicle with the same  
In an exhaust system, a first oxygen sensor is attached to an exhaust pipe connected to a standard cylinder in which the amount of injected fuel is the closest to the average of the amounts of fuel...
7454899 Secondary air supply system for internal combustion engine  
A secondary air supply system for an internal combustion engine includes: a cylinder head of the internal combustion engine having a plurality of exhaust holes and a plurality of supply holes...
7426980 Internal combustion engine exhaust system  
An exhaust system for an internal combustion engine having two banks of cylinders by which pulses of exhaust gas are alternately directed to a diverter subassembly. The diverter subassembly, which...
7412824 Catalytic converter system for diesel engines  
An improved exhaust system for a diesel engine and an improved overhead exhaust manifold segment therefore wherein the improvement comprises a plurality of catalytic converter elements removably...
7350351 Exhaust system of engine of motorcycle  
An exhaust system of an engine of a motorcycle, including an exhaust pipe configured to extend in one of an upward direction and a downward direction from an exhaust port formed at a front portion...
7325396 Exhaust manifold  
An exhaust manifold includes an open/close valve that switches between either closing or opening the exhaust path of a collection section, and switches the exhaust path of the exhaust gas between...
7252177 Exhaust system for engine  
An exhaust manifold has a structure such that an end portion of a collecting section where pipes connected to respective cylinders of an engine are collected is connected to an exhaust pipe via a...
7234297 Motorcycle exhaust enhancers  
Sound and power are an important part of the motorcycling experience. From the early days people have been attempting to get it “right” and have tried numerous ways to achieve the best of both...
7231762 Exhaust manifold flange  
An exhaust header having a recessed sealing surface that receives an annular graphite gasket for affecting a fluid tight seal. The exhaust header further includes one or more exhaust head pipe...
7171805 Deflector style exhaust manifold  
An exhaust manifold is provided with deflector members positioned between downstream gas inlets and a main gas passage. The deflector members redirect the flow of exhaust gas from the inlets into...
7171804 Exhaust system for multi-cylinder engine, and straddle-type vehicle provided with same  
An exhaust system for a multi-cylinder engine can include a plurality of exhaust pipes with first upstream ends connected to exhaust openings of a multi-cylinder engine, and a collecting pipe...
7152398 Dual motorcycle exhaust system  
An exhaust system for an internal combustion engine having a first cylinder and a second cylinder from which pulses of exhaust gas exit and are routed along separate paths towards the exhaust...
7124575 Exhaust header modeling apparatus and method  
An exhaust header modeling apparatus includes a plurality of interchangeable straight and curved short cylindrical segment members which are selectively and releasably joined together end-to-end...
7121088 Automotive exhaust valve  
A valve assembly is adapted to be disposed in an automotive engine exhaust system at an outlet of an internal combustion engine. The assembly includes a valve body having an opening therethrough...
7111701 Motorcycle  
A motorcycle includes an axle of a rear wheel supported for rotation at a rear end of a swing arm. The swing arm is supported at a front end portion thereof for rocking motion on a vehicle body...
7021052 Motorcycle exhaust control system  
A motorcycle exhaust control system for covering exhaust cross-over pipes is comprised of an elongate tubular crossover block-off member having a side wall. The crossover block-off member side wall...
6990806 Exhaust header for internal combustion engine  
The present invention 10 discloses an exhaust header having heat sinks forming an integral part of the header conduit 14 . The heat sinks are in the form of a plurality of radially positioned...
6978606 Equal length crossover pipe exhaust system  
An equal length crossover pipe exhaust system for an engine of a vehicle includes a plurality of exhaust manifolds for connection to outlets of cylinders of the engine. The equal length crossover...
6959543 Exhaust gas manifold of an exhaust system for an internal combustion engine  
An exhaust gas manifold of an exhaust system for an internal combustion engine includes a diverging pipe elbow and exhaust pipes. Each exhaust pipe has an end and is connected to the diverging pipe...
6941751 Exhaust muffler and muffler system for use with an internal combustion engine  
An exhaust muffler system for use on a motorcycle or four-wheeled vehicle provides for operation in either of two modes, a regular configuration that provides a high degree of noise reduction, or a...
6938729 Exhaust gas system  
An exhaust gas system for an internal combustion engine, in particular, of a motor vehicle has two mufflers through which the exhaust gas is able to flow in a parallel fashion. A switching unit...
6931843 Exhaust unit for engines particularly for high-performance vehicles  
A plurality of pipes adapted to be jointed to the exhaust ports of one line of an engine are joined together into a manifold comprising an equal number of pipe stubs, each receiving one of said...
6925802 System to improve after-treatment regeneration  
Exemplary methods, devices, and/or systems are suitable for regenerating a plurality of after-treatment units. An exemplary method includes selecting less than all of a plurality of after-treatment...
6907726 Exhaust system for a V-type engine  
An exhaust system for a V-type engine according to the embodiment of the present invention includes first and second front exhaust pipes that are respectively connected to first and second exhaust...
6901752 Exhaust processor with variable tuning system and method of operating such exhaust processor  
An exhaust processor has an exhaust tube and a cover mounted for rotation at least partially around the exhaust tube to adjust the tuning frequency of the exhaust processor. A method of operating...
6892532 Exhaust system having low-stress exhaust manifold flange  
An exhaust system in an internal combustion engine has an exhaust manifold, an exhaust flange is connected to the exhaust manifold, and a turbocharger is connected to the exhaust flange. The...
6848252 Exhaust enhancement for aftermarket motorcycle exhaust pipes with a straight pipe type design and with inside pipe diameter from 1.875″ and larger  
Sound and power are an important part of the motorcycling experience. From the early days people have been attempting to get it “right” and have tried numerous ways to achieve the best of both...
6840038 Exhaust system for outboard motor  
An exhaust system for an internal combustion engine of an outboard motor is provided. The exhaust system provides dual exhaust passages, simplifying the engine's construction and reducing...
6808034 Snowmobile exhaust system  
A snowmobile has a frame construction that defines a recess above a drive unit. The recess is formed by a horizontal member and a pair of vertical members. A portion of the exhaust system extends...
6804955 Dual motorcycle exhaust system  
An exhaust system for an internal combustion engine having a first cylinder and a second cylinder from which pulses of exhaust gas exit and are routed along separate paths towards the exhaust...
6804954 Motorcycle exhaust system  
An exhaust system for use with a four-stroke engine having first and second cylinders. The cylinders generate exhaust pulses at uneven time intervals with respect to each other. The exhaust system...
6802383 Snowmobile exhaust system  
A snowmobile has a frame construction that defines a recess above a drive unit. The recess is formed by a horizontal member and a pair of vertical members. A portion of the exhaust system extends...
6779628 Device for producing an overtone-rich sporty exhaust sound  
The device for producing an overtone-rich, sporty exhaust sound of the exhaust system of a four-cylinder engine includes exhaust pipes with four manifold pipes, at least one front pipe and a tail...
6772588 Intake and exhaust control systems for engine  
The intake and exhaust control systems are operable in varying modes, according to the engine speed, by a single actuator. The intake control system includes an intake valve that allows a variable...
6761239 Exhaust system of motorcycle  
An exhaust system of a multi-cylinder engine of a motorcycle comprises exhaust pipes leading from the respective cylinders of the engine, the exhaust pipes are collected as a single exhaust pipe...
6742332 Exhaust system for internal combustion engine having parallelogram-shaped cross-section  
The present invention is an exhaust system having a parallelogram-shaped cross section. The exhaust system includes a header flange for connection to one or more cylinder exhaust ports. The header...
6732509 Engine acoustical system  
A number of embodiments of acoustical devices for improving either or both the intake and exhaust sounds emanated from an internal combustion engine. This is achieved by employing acoustical...
6662555 Catalyzer arrangement for engine  
A catalyzer arrangement for an engine includes an improved construction that does not require a large space for furnishing a relatively large volume catalyzer. The engine is surrounded by a...
6655134 Exhaust control valve  
An exhaust control valve has a valve housing and a valve body rotatably contained within the valve housing. The valve body cooperates with the valve housing for controlling the flow of exhaust gas....
6647714 Exhaust header system  
An exhaust header system ( 20 ) for an internal combustion engine includes primary tubes ( 22 ), each having inlet ( 26 ) and outlet ( 28 ) ends. The inlet ends ( 26 ) are adapted to carry exhaust...
6634171 Exhaust scavenging system  
An exhaust scavenging system for an internal combustion engine including exhaust passages extending from the engine and an exhaust outlet system. A collector extends from the bundled ends of the...
Matches 1 - 50 out of 193 1 2 3 4 >