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Patent Searching and Data


Matches 501 - 550 out of 16,366

Document Document Title
WO/2005/098220A1
Parallelly arranged exhaust paths of an internal combustion engine each have a catalyst. A flow rate regulating section regulates the flow rate of exhaust gas discharged from a first exhaust path to the downstream side and the flow rate ...  
WO/2005/093230A1
A warm-up system is provided for an internal combustion engine (1) equipped with a CO2 absorbing and releasing agent (15) that absorbs CO2 at a temperature in a first temperature range and releases the CO2 at a temperature in a second te...  
WO/2005/085616A1
An air intake-controlling device has intake valve lift amount-regulating means for regulating the amounts of lift of intake valves; means for detecting differences, between cylinders, of the amounts of air sucked into the individual cyli...  
WO/2005/071245A1
A variable compression ratio internal combustion engine whose compression ratio is varied by varying the volume of a combustion chamber, where disorder of an air-fuel ratio involved by the variation in the compression chamber volume can ...  
WO/2005/071236A1
It is intended to efficiently remove particulate substances, such as NOx and soot, without poisoning by SOx, etc. from dilute-combustion effecting internal combustion engines, combustion equipment, etc. There is provided an exhaust gas p...  
WO/2005/068808A1
An internal combustion engine has a throttle controlling mechanism, a valve characteristics varying mechanism for controlling an internal EGR rate by controlling an overlap time (Pa) and a non-overlap time (Pb), and output setting means ...  
WO2005033251A3
This invention sets forth a commercially viable diesel combustion system that meets environmentally acceptable levels of NOx emissions (i.e. 0.2g/bhp-hr or lower across a full map of engine speeds and loads) without the need for use of N...  
WO/2005/045219A1
In an NOx discharge quantity estimation method for an internal combustion engine equipped with an EGR apparatus, the gas components (e.g., oxygen molecules and NOx) of intake gas taken into a combustion chamber are assumed to be uniforml...  
WO/2005/033251A2
This invention sets forth a commercially viable diesel combustion system that meets environmentally acceptable levels of NOx emissions (i.e. 0.2g/bhp-hr or lower across a full map of engine speeds and loads) without the need for use of N...  
WO2004025096A8
A process for treating exhaust gas from a compression ignition engine wherein substantially all fuel for combustion is injected into a combustion chamber prior to the start of combustion comprises contacting the exhaust gas with a cataly...  
WO/2005/028833A2
A method is provided for close control and adjustment of in-cylinder oxygen concentration levels together with boost adjustments to minimize harmful emissions during transients in engines which utilize late direct cylinder injection of f...  
WO/2005/003534A1
An intake air volume controller of an internal combustion engine in which variation in the intake air volume can be corrected appropriately among cylinders and both operability and exhaust gas characteristics can be enhanced even in a no...  
WO/2004/104383A1
A diesel engine exhaust gas-purifying device and control means enables a main DPF or micro DPF provided in an exhaust gas path of a diesel engine to serve in a wider operation range. A diesel engine exhaust gas-purifying device has a swi...  
WO/2004/092560A1
When a compression ratio of an internal combustion engine is locked at high ratio condition, the engine can be operated while avoiding the occurrence of knocking. The engine has a mechanism capable of changing a compression ratio. The me...  
WO/2004/076841A1
An internal combustion engine implements an optimized scheme and a function scheme according to the invention by an intelligent configuration for intelligent control. The transmission period and the magnitude of five-stage time of the po...  
WO/2004/074660A1
A method of operating an internal combustion engine (110), including at least one cylinder (112) and a piston (212) slidable in the cylinder (112), may include supplying a mixture of pressurized air and recirculated exhaust gas from an i...  
WO/2004/063545A1
A method of controlling a premix compression self-igniting internal combustion engine in which intake air and fuel are mixed in advance in a combustion chamber and the mixture is self-ignited by compression. Optimal self-ignition timing ...  
WO/2004/055343A1
An intake pipe downstream of a throttle valve is interconnected with an exhaust pipe via an EGR supply pipe and an EGR control valve is disposed in the EGR supply pipe. An engine load ratio (KLoff) in the engine steady operation with the...  
WO/2004/040101A1
An exhaust gas-purifying device (100) purifies exhaust gas from a diesel engine (10) of a folk lift truck. The exhaust gas-purifying device (100) increases the temperature of exhaust gas using an injection amount-regulating portion (20),...  
WO2004027237A3
The invention relates to two methods for forming a fuel/air mixture of a direct-injection internal combustion engine having spark ignition. The first method provides that, during a homogeneous operation of the internal combustion engine,...  
WO/2004/038201A1
A start control system for port injection type internal combustion engines, characterized in that fuel is supplied in advance into a cylinder that is in a compression stroke or expansion stroke when the operation of the internal combusti...  
WO/2004/031548A1
In conventional automobile diesel engines, efforts have been made to reduce harmful substances contained in exhaust gases mainly by improving combustion in the engine itself; however, it has been very difficult to satisfy the exhaust res...  
WO/2004/027237A2
The invention relates to two methods for forming a fuel/air mixture of a direct-injection internal combustion engine having spark ignition. The first method provides that, during a homogeneous operation of the internal combustion engine,...  
WO/2004/025096A1
A process for treating exhaust gas from a compression ignition engine wherein substantially all fuel for combustion is injected into a combustion chamber prior to the start of combustion comprises contacting the exhaust gas with a cataly...  
WO/2004/025093A1
A compression ignition engine operable in a first, normal running mode and a second mode producing exhaust gas comprising an increased level of carbon monoxide (CO) relative to the first mode and means when in use to switch engine operat...  
WO/2004/015255A1
A method of operating an internal combustion engine (22), wherein intake ambient air is boosted to a higher pressure by passage through at least one compressor (19) and then introduced into the internal combustion engine (22). Fuel is al...  
WO2003024735A3
The invention concerns a motor vehicle engine-transmission unit (10), comprising a power bypass transmission (16) including a main gear shaft (18), a gearbox output shaft (20), gear reduction means (24) interposed between the main gear s...  
WO/2004/011790A1
An exemplary system (200) includes an electric compressor (240) to boost intake charge pressure supplied to an internal combustion engine (110); an electric turbine (250) to generate electrical power from exhaust received from the intern...  
WO/2004/009972A1
A control (30) for controlling a variable valve actuation mechanism (26) of an internal combustion engine (10) to regenerate a NOx adsorber catalyst (35) in the exhaust system (22) of the engine. The control comprises an operating progra...  
WO2003012273A3
The invention relates to a method of stopping and restarting an internal combustion engine with indirect injection. In order to stop the engine in a pre-determined position that facilitates the restart of the engine, the rotation speed a...  
WO/2003/104622A1
A control (30) for controlling a variable valve actuation mechanism (26) of an internal combustion engine (10) to regenerate a particulate filter (35) in the exhaust system (25) of the engine. The control comprises an operating program (...  
WO/2003/091561A1
The invention relates to a method and device for controlling the drive unit (1) of a vehicle that enable a suppression of faults during controlling. The invention provides that, in a first level (5), at least one first control quantity i...  
WO/2003/083272A1
An exhaust gas decontamination system capable of, at the time of reactivation of deteriorated catalyst with respect to sulfur poisoning of a direct reduction type NOx catalyst disposed on an upstream side, effecting combustion removal of...  
WO/2003/069141A1
Disclosed is a method for operating a combustion engine, according to which a set point temperature Tsoll of the combustion engine, which depends on external and internal boundary conditions, is taken into account when controlling and/or...  
WO/2003/069135A1
The invention relates to a method for operating an internal combustion engine by introducing air. The method is characterised in that air is guided into the intake area after the internal combustion engine has been switched off. Optional...  
WO/2003/067066A1
In a pair of preceding and following cylinders whose exhaust and intake strokes overlap each other, intake air supplied to the preceding cylinder (2A, 2D) is supercharged by a turbocharger (23) to produce combustion at a 'lean' air-fuel ...  
WO/2003/067065A1
A starting system which ensures a positive compression ignition by pilot oil injected from a liquid fuel injection valve for a smooth engine starting even at the starting of pilot−ignition gas engine in which a cylinder head is provide...  
WO/2003/065135A1
There is described a method for controlling a system, for example a Diesel engine, that is subject to transient changes of target outputs. The target outputs specify outputs required from the system. 'Steady state' information is used to...  
WO/2003/060300A1
The invention relates to a method for reversing the direction of rotation of a two-stroke engine by specifically adjusting a misfire during coasting. In order to determine the direction of rotation of the engine with only one sensor, cyc...  
WO/2003/050401A1
A system and method for determining EGR flow in a multi-cylinder internal combustion engine (12) include determining specific heat of the exhaust gas based on current engine operating conditions and determining EGR flow rate based on the...  
WO/2003/047732A1
The invention relates to a method and system for regenerating, particularly for desulfating, storage-type catalytic converters (1) during the purification of exhaust gases produced by internal combustion engines (12). To this end, the in...  
WO/2003/048553A1
The invention concerns a method for bleeding a fuel vapour absorber in an intake manifold of an internal combustion engine with variable distribution, the engine operating in a first mode wherein the valve lift laws are variable and crea...  
WO/2003/040528A1
A method for the control of secondary air amounts on a motor vehicle with a device (3,4,5,6) for secondary air injection is characterised in that the increase in injected secondary air is controlled with time such as to change dependent ...  
WO2002061254A3
A closed-loop actuator control system includes a single PI controller for controlling one or more actuators to minimize an error between an engine operating parameter value and a reference parameter value. In multiple actuator systems, t...  
WO/2003/033892A1
Removal of fine particles by oxidation or/and sulfur poisoning recovery control may be required when an internal combustion engine has been in an extremely low load state for a predetermined period or more. In this case, the engine speed...  
WO/2003/025374A1
A diesel engine (1) provided with a NOx catalyst (28A) and a diesel particulate filter (28B) performs lean burn operation during normal running, rich burn operation during regeneration of the NOx catalyst (28A), operation under the stoic...  
WO/2003/024735A2
The invention concerns a motor vehicle engine-transmission unit (10), comprising a power bypass transmission (16) including a main gear shaft (18), a gearbox output shaft (20), gear reduction means (24) interposed between the main gear s...  
WO/2003/024736A1
The invention relates to a control device for an engine able to control at least one of an intake valve and an exhaust valve via a driving mechanism actuated without a torque from an output shaft of the engine, and a transmission connect...  
WO/2003/018985A1
A method and device for controlling an internal combustion engine on a vehicle are disclosed, whereby an operating parameter for the internal combustion engine or the vehicle is restricted to a pre-set threshold value. In order to carry ...  
WO/2003/018972A1
An exhaust gas purification system for an internal combustion engine (1) is provided which comprises a Nox trap catalyst (13) and an air/fuel ratio controller (20) for controlling the exhaust gas purification system so that an exhaust ai...  

Matches 501 - 550 out of 16,366