Matches 1 - 50 out of 52 1 2 >


Match Document Document Title
US20070163246 METHOD AND ARRANGEMENT FOR COOLING AN EXHAUST SYSTEM  
The present invention relates to an arrangement for cooling an exhaust system of a vehicle having an internal combustion engine. The arrangement includes a controller for detecting an elevated...
US20060090455 Abnormality diagnosis apparatus for secondary air supply system of engine  
An abnormality diagnosis apparatus is used for a secondary air supply system for an internal combustion engine. The system includes an air pump for supplying secondary air into an upstream of a...
US20070079604 Secondary air supply system for internal combustion engine  
The present specification discloses a system for providing a secondary air supply to an internal combustion engine so as to reduce undesirable exhaust gases. The system includes a hose running...
US20070199310 Particulate trap regeneration system and method  
A particulate trap regeneration system has an exhaust pipe that is connected between an engine and a particulate trap and an air pump that is connected to the exhaust pipe near the engine. The...
US20070137185 Secondary air supply apparatus and control method for the same  
An ECU executes (300) a program including a step (S202) of opening an electromagnetic ASV (232) while a vacuum pressure ASV (1) and a vacuum pressure ASV (2) are controlled so as to be closed, and...
US20070261394 Fluid extraction arrangement for engine air induction system  
An engine includes an air induction system for providing air to a plurality of cylinders, an exhaust system for conveying exhaust gas from the cylinders, and a secondary air injection (SAI) system...
US20060037310 Airflow control valve for use in an internal combustion engine  
An airflow control valve is composed of a housing forming an air passage therein and an electromagnetically driven valve disposed in the air passage. The valve divides the air passage into an...
US20090293450 COLD-START CONTROL SYSTEMS FOR INTERNAL COMBUSTION ENGINES  
A cold-start control system includes an air pump control module that controls an air pump and an engine starting module that starts an engine. The air pump control module activates the air pump to...
US20050193724 Oxygen-enriched feedgas for reformer in emissions control system  
A method and systems for supplying oxygen-enriched feedgas to a reformer. The reformer is placed on an exhaust bypass line, which has a valve upstream the reformer, for opening and closing the...
US20090313975 Air supply system for a regeneration assembly  
A method of initiating regeneration of a filter assembly is disclosed. The method includes determining when regeneration of a filter assembly is to be initiated. The method also includes opening a...
US20070017217 Air control device including air switching valve driven by motor  
An air control device is advantageously used as a device for supplying secondary air to a catalyzer contained in an exhaust pipe of an internal combustion engine. The air control device includes...
US20070240404 Engine Exhaust Systems with Secondary Air Injection Systems  
A variety of embodiments of exhaust systems for engines including small off-road engines, and related methods of operation, are disclosed. In at least some embodiments, the exhaust system includes...
US20070144154 Air filter with air flow segregation  
An air filter assembly for delivering clean air to primary and secondary components such as a vehicle engine and a catalytic converter of the vehicle, for example. Air flow sensors are calibrated...
US20060130463 Engine exhaust gas temperature control system  
An engine exhaust gas temperature control system comprises a combustion chamber, a fuel supplying device, a secondary air supplying device and a control unit. The fuel supplying device is...
US20060037311 Secondary air supply for engine exhaust system  
A chain chamber of an engine, which accommodates a cam chain for driving a camshaft, is formed between a first cylinder and a second cylinder aligned in the direction along the camshaft. A...
US20090223210 System and method for auxilary power unit emissions management  
A system is disclosed including a primary engine that provides vehicle propulsion and a secondary engine that drives a generator to provide auxiliary power. The system further includes a first...
US20070039312 Secondary air supply system and abnormality detection method for secondary air supply system  
During secondary air supply control, a secondary air supply system which supplies secondary air to an upstream side of an exhaust gas control apparatus obtains a secondary air flow rate supplied...
US20070157606 Burner for heating a catalytic converter with open-loop or closed-loop controlled fuel delivery  
The invention concerns a burner, particularly an auxiliary burner in a motor vehicle and most especially a burner to rapidly heat up a three way catalytic converter of an internal combustion...
US20090282816 Fresh Air Bypass to Cool Down Hot Exhaust in DPF Regeneration Mode at Low Vehicle Speed and Idle  
An engine system includes a diesel engine having an exhaust manifold connected to the diesel engine. An exhaust passage is connected to the exhaust manifold and a diesel particulate filter is...
US20090223209 CHARGED AIR BYPASS FOR AFTERTREATMENT COMBUSTION AIR SUPPLY  
An engine system includes an engine, an intake fluid system, and an exhaust fluid system. Furthermore, the engine system includes a turbocharger device including a compressor member in operative...
US20060236679 Exhaust gas aftertreatment device for diesel engines of vehicles, preferably passenger cars  
An exhaust gas after treatment device for a diesel engine of a vehicle has at least one injection valve with an injection nozzle through which an exhaust gas treatment medium is injected into an...
US20080078172 Exhaust treatment device having a fuel powered burner  
An aftertreatment burner for an exhaust treatment device is disclosed. The aftertreatment burner may have a mounting member, and a canister connected to the mounting member to form a combustion...
US20090151336 AGING DEVICE FOR CATALYTIC CONVERTER IN VEHICLE AND METHOD THEREOF  
An aging device of a catalytic converter of a vehicle simulates wear-and-tear of a catalytic converter under conditions that simulate to those of a real vehicle by injecting an oil additive or an...
US20060156711 Internal combustion engine with secondary air pump for catalyst  
A secondary air pump for a small internal combustion engine for supplying secondary air to the exhaust system of the engine upstream of a catalyst element. The air pump includes a thinly-profiled...
US20070251219 Internal combustion engine having a secondary air pump  
An internal combustion engine includes an exhaust-gas system with n>1 exhaust-gas flow configurations, wherein n is an integer. The exhaust-gas flow configurations are at least partly separated...
US20140260196 AIR DITHERING FOR INTERNAL COMBUSTION ENGINE SYSTEM  
Described herein is an air dithering system for an internal combustion engine generating exhaust gas that includes an exhaust line in exhaust gas receiving communication with the internal...
US20100307133 EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE, AND METHOD OF CONTROLLING THE SAME  
An exhaust gas control apparatus for an internal combustion engine includes a NOx adsorbent that is provided in an exhaust passage of an internal combustion engine, and that adsorbs nitrogen...
US20050132697 Fuel vapor enrichment for exhaust exothermic catalyst light-off  
An engine system includes an engine with a secondary air source, a fuel system that communicates with the engine, and a controller that communicates with the fuel system. The controller controls a...
US20100024396 HYDROCARBON RETAINING AND PURGING SYSTEM  
Method and systems are provided for operating an engine having a hydrocarbon retaining system coupled to an engine exhaust and an engine intake. One example method comprises, during an engine cold...
US20070056266 System and method for regenerating a NOx storage and conversion device  
In an apparatus having a diesel engine, a catalytic device in communication with the engine for treating emissions from the engine, and an exhaust gas recirculation (EGR) system having a cooler...
US20110146274 METHOD AND SYSTEM FOR REGENERATING PARTICULATE FILTER  
A particulate filter regeneration system regenerates a particulate filter provided in an exhaust line of an engine equipped with a turbocharger by burning matter trapped on the particulate filter...
US20050039446 Apparatus for purifying exhaust gas of internal combustion engine  
In an apparatus for purifying exhaust gas of an engine, both upstream and downstream catalysts are disposed in an exhaust pipe in series. The upstream catalyst is divided into upstream and...
US20100115929 CURRENT LIMITING DRIVER FOR ELECTRIC AIR PUMP  
The present invention relates to a secondary air supply arrangement having an actuator operably connected to an air pump for creating air flow between an inlet and outlet of the air pump. A pulse...
US20060179824 Air flow regulation system for exhaust stream oxidation catalyst  
An air flow regulation system for enhancing the performance of oxidation catalyst in the exhaust stream of an internal combustion engine is provided wherein air flow into the exhaust upstream of...
US20060168940 Method and apparatus for an exhaust emissions control system  
A method for mutual adaptation of a delivery module and a metering module of an exhaust emissions control system that has an exhaust gas conduit and a control module, the delivery module having a...
US20130333360 SECONDARY AIR INJECTION SYSTEM  
A secondary air injection system supplying some of air introduced into an intake manifold to an exhaust manifold may include: an electric supercharger compressing air introduced through an air...
US20070084197 Control device and control method for internal combustion engine  
When starting an internal combustion engine from cold, after-burning of unburned HC in the exhaust gas within an exhaust passage is promoted by supplying secondary air into the exhaust passage...
US20070062189 Method and apparatus for operating an internal combustion engine having exhaust gas turbocharging  
in a method for operating a supercharged internal combustion engine and an internal combustion engine including an exhaust gas treatment system which comprises a catalytic converter arranged close...
US20090266053 EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE  
An exhaust gas purification system includes: at least two catalysts (1a, 1b) disposed in parallel with each other on an exhaust gas passage of an internal combustion engine (3) and having a...
US20060096279 Internal combustion engine comprising a gas conveying system and operating method therefor  
1. Internal combustion engine comprising a gas conveying system and operating method therefor. 2.1 The invention proposes an internal combustion engine (1) having a gas conveying system with a...
US20060196170 Method for operating an internal combustion engine and device for executing the method  
A method for operating an internal combustion engine, in whose exhaust gas system an exhaust gas treatment device is positioned, a reagent, which is possibly mixed with compressed air, being...
US20080110159 VALVE DEVICE AND SECONDARY AIR SUPPLY SYSTEM HAVING THE SAME  
A valve device includes a control valve for manipulating a communication between a first fluid channel and a second fluid channel. The valve device further includes a pressure sensor for detecting...
US20050241295 Device and method for purification of exhaust gas in an internal combustion engine  
The present invention relates to an for apparatus and a method of cleaning exhaust gas from an internal combustion engine, in particular a Diesel engine. The apparatus has an exhaust gas line and...
US20070245717 Method and apparatus for reducing exhaust gas including hydrocarbons during initial cold start period  
Disclosed herein is a method and apparatus for reducing exhaust gases in an initial cold start period, in which a main catalyst unit is connected to an engine through an exhaust pipe, including...
US20100300069 CONTROL OF A MOTOR VEHICLE INTERNAL COMBUSTION ENGINE  
The present invention relates to a method for operating a motor vehicle internal combustion engine having a controller for adjusting NOx emissions in the exhaust gas, wherein a NOx controller is...
US20170152781 SYSTEM AND METHOD TO IMPROVE AFTERTREATMENT IN AN INTERNAL COMBUSTION ENGINE  
A system and method are disclosed for improving the performance of an aftertreatment system by elevating its temperature above an activation temperature. According to at least one aspect of the...
US20160194998 SECONDARY-AIR SYSTEM AND METHOD FOR CHECKING THE OPERABILITY OF THE SECONDARY-AIR SYSTEM  
A method for checking the operability of a secondary-air system of an internal combustion engine includes measuring a first pressure between a first secondary-air pump and a first master...
US20160108789 CONSTANT MASS FLOW INJECTION SYSTEM  
Exhaust aftertreatment assemblies and methods of manufacturing and operating exhaust aftertreatment assemblies. The exhaust aftertreatment assembly includes a reductant delivery device, a...
US20160061084 CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE  
This control device for an internal combustion engine equipped with an exhaust purification catalyst, which is disposed in an exhaust passage of the internal combustion engine and capable of...
US20160053647 METHOD OF INCREASING VOLUMETRIC THROUGHPUT OF AN INTERNAL COMBUSTION ENGINES USED IN VAPOR DESTRUCTION APPLICATIONS  
A method and device for controlling emissions of VOC's comprises transporting VOC's to an engine and transporting the exhaust from the engine into a manifold. Supplemental air is transporting into...

Matches 1 - 50 out of 52 1 2 >