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WO/2010/021190A1 |
Turbines (21b, 31b) and compressors (21a, 31a), which constitute superchargers (21, 31), are disposed in series on an exhaust gas passage (3) and an air intake passage (2), respectively. The supercharger (31) is equipped with a superchar...
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WO/2010/014998A2 |
According to one embodiment, an apparatus for controlling exhaust emissions using a pre-filter includes an intake charge module (200) and EGR system module (210) respectively configured to determine a desired air intake flow rate (202) a...
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WO/2010/010731A1 |
A small-sized diesel engine. An EGR valve (4) is provided in an EGR gas flow path (3), and an exhaust gas flow divider (5) is provided in an exhaust gas route (1). The exhaust gas flow divider (5) divides exhaust gas (6) into a flow of h...
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WO/2010/010246A2 |
The invention relates to a method for managing an exhaust gas recirculation circuit of a petrol thermal engine, the engine including at least one combustion chamber connected to an inlet line and an exhaust line between which extends sai...
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WO/2009/150859A1 |
When no close failure (i.e., the EGR valve cannot be completely closed) is detected (flag Fa is 0), an engine is controlled by using a target fuel injection amount Qf* obtained by correcting a basic fuel injection amount Qftmp in the inc...
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WO/2009/148917A2 |
A method of controlling exhaust gas recirculation (EGR) in a turbocharged engine system including multiple EGR paths to account for at least one of system constraints, or dead time and/or lag time associated with at least one of the EGR ...
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WO/2009/149044A2 |
An internal combustion engine (ICE) system (including methods and apparatuses) for managing combustion charge densities, temperatures, pressures and turbulence in order to produce a true mastery within the combustion chamber in order to ...
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WO/2009/141917A1 |
An exhaust reflux device for an internal-combustion engine provides a technology ensuring accurate calculation of both a low-pressure EGR ratio and a high-pressure EGR ratio, flow rate control for both a low-pressure EGR passage and a hi...
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WO/2009/141709A2 |
During starting of an engine (1) that has a circulation path (30) through which argon, used as working gas, is circulated back to a combustion chamber (15) and that uses hydrogen as fuel during operation, oxygen is supplied in such a man...
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WO/2009/139285A1 |
Disclosed is an exhaust gas recirculation controller constituted such that an EGR valve and an intake throttle valve are operated while being associated with each other by one control command signal, wherein the controllability of accele...
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WO/2009/139072A1 |
Even if an EGR valve is opened before an exhaust throttle valve is opened in an exhaust gas purification system for an internal combustion engine, the occurrence of an accidental fire can be prevented. An EGR valve (42) is provided in an...
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WO/2009/133281A1 |
The invention relates to an operational-condition diagnosing system for the gas inlet device of an automobile internal combustion engine that comprises a fresh air inlet duct (28) and an exhaust gas recirculation duct (32) provided with ...
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WO/2009/122794A1 |
An internal EGR control device for an internal combustion engine can, even if the actual valve timing of an exhaust valve changes due to aging and other causes, appropriately control the amount of internal EGR while compensating influenc...
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WO/2009/123858A1 |
A system, in certain embodiments, includes a low pressure exhaust gas recirculation (EGR) system configure to route exhaust gas upstream of a compressor coupled to an intake of an engine in a low temperature environment. The system also ...
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WO/2009/117248A2 |
A heat exchanger of motor vehicle processes a gas flow including combustion exhaust gas. Combustion by-product deposit build-up within the heat exchanger is reduced by maintaining a minimum gas flow velocity within the heat exchanger by ...
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WO/2009/114305A2 |
An internal combustion engine is selectively operative in a spark ignition combustion mode and a controlled auto-ignition combustion mode. An EGR valve operative to control flow of exhaust gas to an intake manifold is monitored, includin...
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WO/2009/112313A1 |
In an internal combustion engine, at a first operating point of the internal combustion engine using no exhaust gas recirculation (EGR) a first measured value (LOAD_MES_1) of a load variable of the internal combustion engine is detected....
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WO/2009/107298A1 |
When the operating state of an internal combustion engine (10) is under low load, the supply of unburned fuel is controlled by using post-injection without using direct injection into an exhaust pipe. Under medium load, the supply of the...
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WO/2009/108710A1 |
An apparatus, system, and method are disclosed for reducing nitrogen oxide emissions in a combustion engine. In one embodiment, the method includes a shift detection module (202) determining an out of gear (OOG) indicator (204) for a man...
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WO/2009/105463A2 |
A method of controlling exhaust gas flow in an internal combustion engine system, and products and systems using same.
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WO/2009/101502A1 |
When an abnormality determining process is cancelled when a fuel cut is stopped, an EGR valve (33), which is open wider than normal from the process, is returned to its original opening amount (i.e., fully closed), and fuel injection in ...
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WO/2009/098384A1 |
The invention relates to a method for measuring the mass flow (Q m ) of exhaust gases circulating in an EGR system of a heat engine of a motor vehicle, the mass flow being measured by using the geometry (S 1 / S 2 , point 1, point 2) of ...
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WO/2009/100353A2 |
An apparatus, system, and method are disclosed for efficiently increasing exhaust flow temperature for an internal combustion engine. The method (700,800) includes checking (702) whether a user input to disable an exhaust valve opening m...
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WO/2009/099816A2 |
The disclosure sets forth operating a spark-ignition, direct- fuel injection internal combustion engine, including transitioning the engine from operating in a stratified charge combustion mode to operating in a homogeneous charge combus...
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WO/2009/100451A2 |
An apparatus, system, and method are disclosed for efficiently operating an engine utilizing exhaust gas recirculation (EGR). The apparatus (100) includes an exhaust manifold (116) receiving exhaust gas (118) from a first cylinder set (1...
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WO/2009/087707A1 |
[PROBLEMS] To provide an elevated-temperature operation controller for an internal-combustion engine that realizes improvement of the control accuracy and the like. [MEANS FOR SOLVING PROBLEMS] An engine ECU9 starts calculation of a tota...
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WO/2009/085643A2 |
A method for controlling EGR gas flow in an internal combustion engine during ongoing operation includes determining an engine operating point and a preferred EGR fraction for a cylinder charge based upon the engine operating point. A fe...
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WO/2009/080466A1 |
The present invention relates to a method for diagnosing at least one additional valve which is provided for adjusting an exhaust gas recycling rate in an exhaust gas recycling mechanism of an internal combustion engine. With the diagnos...
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WO/2009/066304A1 |
The present invention relates to Exhaust Gas Recirculation (EGR) Valve. Particularly the EGR valve is the main emissions control component in the exhaust gas recirculation system. The EGR valve is opened by the application of vacuum / pr...
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WO/2009/063289A1 |
An exhaust valve early-closure control brings about blowback of exhaust gas into an intake system (S106). However, if the exhaust valve early-closure control is executed, for example, during a first idle operation immediately following t...
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WO/2009/060866A1 |
An exhaust purification device for a series type hybrid electric automobile (1) has an ammonia selective reduction type NOx catalyst (48) and a urea water injector (62). The NOx catalyst (48) and the urea water injector (62) are arranged...
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WO/2009/056725A2 |
The present invention relates to a method for making a dynamic estimate of the rotational speed of a turbocharger of a combustion engine, notable in that it comprises at least the following steps of: - recording an item of information re...
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WO/2009/050534A1 |
The invention relates to an engine unit comprising a gas intake circuit (3) and an exhaust gas circuit (4), wherein the gas intake circuit (3) comprises, following the intake gas flow, a dedicated compressor (dC), a dedicated heating dev...
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WO/2009/047465A2 |
The invention relates to a method for diagnosing a failure of an EGR circuit (20) in an engine that comprises an EGR exchanger (22), an EGR valve (21), an EGR exchanger bypass duct (24), and a so-called bypass flap (23a) located upstream...
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WO/2009/047459A2 |
The invention relates to a system for desulphating a nitrogen oxide trap mounted in the exhaust line of an internal combustion engine (1) of the Diesel type for an automobile, equipped with a loop (21) for the partial recirculation of th...
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WO/2009/043513A1 |
The invention relates to a method for estimating an external exhaust gas recirculation rate (XAGR). The invention is characterized in that the external exhaust gas recirculation rate (XAGR) is iteratively estimated using an updated combu...
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WO/2009/037407A1 |
The invention relates to a method for diagnosing a failure of the EGR circuit (3) of an engine including an EGR exchanger (31), an EGR valve (33), a bypass duct (35) of the EGR exchanger, and a so-called bypass flap (32) arranged upstrea...
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WO/2009/034663A1 |
[PROBLEMS] To provide an internal combustion engine in which a Nox reduction catalyst is activated effectively in the early state after the start of operation. [MEANS FOR SOLVING PROBLEMS] In case of cold machine state, operation of an E...
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WO/2009/035057A1 |
The controller of an internal combustion engine makes it possible to reliably obtain a target torque without being influenced by EGR. A target torque setting means (2) sets the target torque of the internal combustion engine. A target EG...
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WO/2009/031005A2 |
In an engine, oxygen (10), hydrogen as a fuel, and a gas composed of argon as a working gas are supplied into a combustion chamber (21). A condenser (80) produces water of condensation by condensing water vapor contained in exhaust gas a...
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WO/2009/031356A1 |
An engine is controlled by making a switch from EGR off operation line Loff to EGR on operation line Lon and setting an execution line Lx when EGR is performed under a state where the cooling water temperature Tw of an engine is above a ...
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WO/2009/019231A2 |
The diagnostic method for a Diesel engine for determining whether this engine, or at least one device connected thereto, is affected by one or several malfunctions negatively influencing the degree of pollution of the exhaust gases produ...
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WO/2009/019578A2 |
A control apparatus for an internal combustion engine includes phase change means (60) for advancing or retarding phases of an opening timing and a closing timing of an intake valve (62); duration change means (60) for increasing or decr...
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WO/2009/008522A1 |
A uniform premix compressed self ignition engine, wherein ignition timing can be controlled. The uniform premix compressed self ignition engine has a plasma generator section (102) to generate plasma that is equal to or less than minimum...
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WO/2009/008110A1 |
In driving conditions of low exhaust temperature, the amount of NOx is effectively reduced by the use of an oxidation catalyst supported by particulate filter (13) and oxidation catalyst (14) disposed anteriorly thereof. The exhaust puri...
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WO/2009/004130A1 |
The combustion engine has a number of cylinders (2) which are equipped with inlet valves (3) connected to an inlet duct (4) and with exhaust valves (6) which are connected to an exhaust duct (7) via an exhaust manifold (23), and each cyl...
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WO/2009/001015A2 |
As the lack of pertinence has been assessed for various models developed for satisfying a need for the efficient operation of diesel engines (5), the invention has shown that the most important problem originated from the mass storage (Î...
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WO/2008/152491A1 |
An exhaust gas recirculation system for an internal combustion engine includes a turbocharger; a low-pressure EGR passage through which the low-pressure EGR gas is recirculated back to the intake passage; a high-pressure EGR passage thro...
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WO/2008/152483A1 |
A control device for an internal combustion engine (100) controls the internal combustion engine (100) that includes a first EGR device (51) that recirculates exhaust gas from a downstream side of a turbine (23b) to an upstream side of a...
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WO/2008/149212A1 |
An exhaust gas recirculation device of an internal combustion engine (I) including a low-pressure EGR passage (20), a high-pressure EGR passage (21), a low-pressure EGR valve (23) and a high-pressure EGR valve (24) further includes an ai...
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