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7614222 |
System and method for directing fluid flow
In one embodiment, a flow switch can comprise: a deflector having a diverging upstream portion; an aperture located in a downstream portion of the deflector; and a divider disposed downstream of...
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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...
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7594391 |
Exhaust system and control method for an internal combustion engine
An exhaust system for an internal-combustion engine comprises an exhaust bypass in parallel with an upstream portion of a main exhaust path having a main catalytic converter in a downstream portion...
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7587894 |
Exhaust structure for engine
An exhaust structure for an engine is disclosed. The exhaust structure includes an exhaust line, through which the exhaust gas discharged from the engine passes. The exhaust line has a double pipe...
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7584604 |
Exhaust gas purification apparatus of engine
For preventing clogging in an injection nozzle for supplying a reducing agent to exhaust gas flow on an upstream side of a reducing catalyst and for improving the efficiency of NOx purification...
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7581387 |
Exhaust gas mixing system
A system for mixing exhaust gas components is provided. The system may include an exhaust passage and a substantially enclosed distribution chamber disposed within the exhaust passage. The...
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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. ...
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7578124 |
Exhaust system of a combustion engine
An exhaust system for a combustion engine which comprises at least one exhaust manifold with a plurality of inlet pipes for connection to exhaust ports of the combustion engine. The exhaust system...
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7565800 |
Exhaust components including high temperature divider plate assemblies
A combustion engine exhaust assembly. The assembly comprises an exhaust gas passageway that includes a divider plate assembly. The divider plate assembly includes a body and a divider plate wherein...
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7565798 |
Exhaust gas purifying apparatus and method in internal combustion engine
When conditions for regenerating purifiers are established, a control computer first causes an addition nozzle to supply a reducing agent to a first exhaust path. At this time, the control computer...
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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...
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7552587 |
Deflector plate to enhance fluid stream contact with a catalyst
A low-cost catalytic article is provided for treating gaseous fluid streams such as exhaust streams from gasoline-powered engines. The articles contain residence chambers defined by chamber walls...
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7549286 |
Exhaust emission control device
Sensing accuracy of a temperature sensor is enhanced so as to accurately conduct regeneration control of a particulate filter. Disclosed is an exhaust emission control device wherein a pair of...
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7536990 |
Hybrid exhaust valve assembly
An exhaust valve assembly includes a flapper valve fixed to a valve shaft where the flapper valve is movable between a closed position, an intermediate position, and an open position. A resilient...
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7536855 |
Exhaust control device for water jet propulsion boat
A watercraft has an exhaust conduit that includes an exhaust gas passage and a cooling water passage. The exhaust gas passage and the cooling water passage are configured to mix together an exhaust...
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7530222 |
Hydraulic apparatus, system and method for positioning an engine exhaust flow control valve
A hydraulic assembly and method for use with an vehicle engine exhaust flow control valve for controlling flow to at least one intake supply. The assembly has an actuator, such as a spring return...
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7503170 |
Structure for filtering an internal engine exhaust gases and associated exhaust line
The invention concerns a structure ( 11 ) comprising a filtering member ( 21 ) comprising intake conduits ( 35 ) for the gases to be filtered, and conduits ( 37 ) for extracting the filtered gases,...
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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...
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7497074 |
Emission control device
Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such...
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7494634 |
Reduction of nitrogen oxides using multiple split streams
Systems and methods of removing at least nitrogen oxides from an exhaust fluid generally include dividing a flow of an exhaust fluid comprising a concentration of nitric oxide into three types of...
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7490467 |
Gas flow enhancer for combustion engines
A gas flow enhancer for a combustion engine includes a housing, configured to receive an inlet flow of gas at an inlet pressure, and enclosing an expansion chamber. Disposed within the expansion...
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7490465 |
Exhaust system for a drive unit formed by a transmission and an engine
An exhaust system for a drive unit formed by the transmission and the engine, having exhaust-gas-carrying pipes and at least one muffler and catalyst housing. A holding part can be fastened to the...
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7487633 |
Device for exhaust gas purification for spark-ignited engines
The exhaust gas purification device has a first chamber having an exhaust pipe inlet, an ambient air inlet, and an exhaust gas outlet. A Venturi is arranged within the chamber, having an inlet end...
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7481049 |
Device for the dosing of a reducing agent
An apparatus for metering a urea or a urea-water solution for delivery to a catalytic converter assembly for removing nitrogen oxides from the exhaust gases of a Diesel engine, includes a housing...
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7481042 |
Device for producing a reducing agent/exhaust gas mixture and exhaust gas purification system
An apparatus for forming a mixture of reducing agent and exhaust gas, having a mixture-forming region into which an exhaust gas and a reducing agent can be introduced, wherein the wall of the...
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7464543 |
Two-stroke lean burn gas engine with a silencer/catalytic converter
A low emissions 2-stroke natural gas fueled engine includes at least one cylinder with an exhaust port in communication with a silencer/catalytic converter unit. The unit has first and second...
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7461506 |
Exhaust gas cooler
The invention concerns an exhaust gas cooler employed with a tailpipe of a vehicle exhaust system and a method of cooling exhaust gasses before being emitted from the exhaust system into the...
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7461505 |
Exhaust pipe of vehicle
An exhaust pipe 1 having a circular cross section is connected to a circular cylindrical housing 2 which creates part of pipe conduit. The housing 2 forms a storage space 21 having a...
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7458249 |
Method and device for operating an internal combustion engine
A method and a device for operating an internal combustion engine which allow monitoring of errors during combustion without using a pressure sensor are provided. The internal combustion engine...
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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...
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7458204 |
Dosing pump assembly
A dosing pump assembly ( 9 ) is provided which is adapted to admix a liquid reducing agent to an exhaust gas flow. The dosing pump assembly includes an assembly housing ( 12 ) that houses an...
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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...
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7451854 |
Exhaust flow rate control valve
An exhaust flow rate control valve includes an on-off valve which is switched between a closed state in which a flow passage area of an exhaust pipe is decreased, and an opened state in which the...
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7451594 |
Exhaust flow distribution device
The disclosure is directed to a flow distributor for use to maximize the efficiency and working life of a catalytic converter. The flow distributor is configured such that it directs the gas flow...
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7444806 |
Exhaust system component
An exhaust-carrying component ( 2 ) of an exhaust system ( 1 ) for an internal combustion engine is provided, in particular for a motor vehicle. The component ( 2 ) includes a pipe ( 4 ) through...
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7434390 |
Air-gap-insulated exhaust manifold
The present invention relates to an air-gap-insulated exhaust manifold ( 1 ) of an internal combustion engine, in particular in a motor vehicle, having a collecting line ( 2 ) that extends in a...
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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...
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7412825 |
Flow path splitter duct
A flow path splitter duct is provided. The flow path splitter duct includes a main hub, a first outlet hub and a second outlet hub. The main hub has a plurality of inlet ports each being separated...
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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...
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7409824 |
Exhaust control system for motorcycle
An exhaust pipe is connected to an engine with a muffler attached to an exhaust pipe. An exhaust valve is provided for controlling the flow rate of an exhaust gas on the side of the exhaust pipe. A...
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7406823 |
Exhaust gas throttle valve for engines
An exhaust gas throttle valve disposed in the exhaust system of an engine, wherein the center axis of rotation of a valve shaft 5 is set at a position deviated from the center axis of the exhaust...
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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...
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7395660 |
Exhaust gas purification system for an internal combustion engine
The present invention has for its problem to be solved to provide a technique in which in an exhaust gas purification system for an internal combustion engine with a filter being arranged on an...
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7390469 |
Bimodal catalyst-urea SCR system for enhanced NOx conversion and durability
The present invention discloses a method for reducing NO x in exhaust gases of an internal combustion engine. The purpose of this invention is to convert engine out NO x (approximately 90% NO in...
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7380397 |
Automobile exhaust pipe assembly
The present invention describes an automobile exhaust pipes, and more particularly to an exhaust pipe capable of producing appropriate pressure to assist engine torque output when the engine is...
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7377102 |
Device and method for heating exhaust gas
A device and method for heating exhaust gas from the combustion of fossil fuel upstream of an emissions control device, especially a diesel particulate filter. A conduit receives an exhaust gas...
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7377101 |
Plasma fuel converter NOx adsorber system for exhaust aftertreatment
The invention provides a NOx adsorber aftertreatment system for internal combustion engines which utilizes a plasma fuel converter operatively coupled to at least one NOx adsorber to aid in the...
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7360518 |
Expandable manifold
An expandable manifold comprises an expansion chamber defined by a resilient surface. Intake is provided by a conduit extending into the chamber. As reverse impulses resulting from the closing of...
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7350349 |
Method and device of a particle filter for an exhaust system, silencer including such a device, and a combustion engine driven vehicle
Method and device for a particle filter for an exhaust system for a combustion engine, wherein the filter is regenerated by spontaneous combustion of particles accumulated in the filter. Exhaust...
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7347045 |
Motorcycle dynamic exhaust system
The present invention provides a method of operating a dynamic exhaust system of a motorcycle engine. The method includes providing a valve in the exhaust system that is movable to direct exhaust...
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