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WO/2008/145882A1 |
This exhaust gas recirculation system for a motor vehicle internal combustion engine provided with a turbocharger for supercharging the engine with air comprises an exhaust gas recirculation pipe (6a) arranged between an exhaust line (5)...
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WO/2008/139065A2 |
The invention relates to a method for initiating combustion in an internal combustion engine that comprises a main chamber (5) with a variable volume in which a flammable mixture is fed, an auxiliary chamber (10) giving into the main cha...
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WO/2008/140036A1 |
A four-cycle engine (1) is adapted so that fresh air is introduced into a cylinder (1a) through an intake port (1d) opened and closed by intake valves (IN1, IN2) and so that exhaust gas is re-drawn into the cylinder (1a) through an exhau...
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WO/2008/120553A1 |
The quantity of EGR gas recirculated by a low-pressure EGR device is more accurately controlled. An EGR controller for internal combustion engine has an exhaust purification means (22) provided in the exhaust passage of the engine, a low...
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WO/2008/118073A1 |
An exhaust brake system for a motor vehicle, comprising an adjustable valve (107) in a recirculation passage (115) connecting an exhaust gas conduit (150) with an air intake (105) to the engine (110), and a control unit (120) that produc...
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WO/2008/108320A1 |
When excessive advance angle processing for advancing the ignition timing ahead of MBT is performed in the control system of a spark ignition type internal combustion engine, EGR processing for introducing EGR gas into the cylinders of t...
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WO/2008/108212A1 |
Provided is an internal combustion engine controller which can accurately estimate an NOx concentration contained in an exhaust gas by using a pressure in a cylinder as basic data. The internal combustion engine (10) includes an in-cylin...
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WO/2008/107247A1 |
A method is disclosed for the determination of a mass of recirculated exhaust gas in an exhaust gas recycling system in an internal combustion engine per unit of time, which is tapped off by means of an exhaust gas recycling valve (22) f...
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WO/2008/106278A1 |
The invention comprises a method for controlling operation of a homogeneous charge combustion ignition engine operating in an auto-ignition mode. The method comprises determining a desired combustion phasing; and, controlling a mass flow...
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WO/2008/102905A1 |
A controller estimates the full combustion correspondence period (CP), i.e. the period from the ignition timing (SA) to the combustion end timing (CAe), and controls the amount of VVT advance angle (amount of combusted gas, overlap perio...
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WO/2008/096774A1 |
Provided is a four-cycle engine (1), which is constituted to introduce fresh air and an EGR gas into a cylinder (1a). The four-cycle engine (1) comprises a blowdown supercharging mechanism (40) for introducing, by utilizing the in-combus...
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WO/2008/090957A1 |
If an EGR execution condition is satisfied (at S110) when an engine is run, the cooling capacity of a cooling system executes the EGR on the basis of a cooling water temperature (Tw) and an ambient temperature (Tout). If it is then decid...
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WO/2008/090162A1 |
For this method, a portion of the exhaust gas is recirculated from the exhaust train via an external line to the intake manifold and is mixed with the fresh air supplied to the cylinder, and a further portion of the exhaust gas is suppli...
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WO/2008/074722A1 |
The invention proposes a method for diagnosing the operation of an actuator comprising an element designed to be moved between extreme positions, involving the steps wherein a position sensor acquires values of the position (P1) of the e...
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WO/2008/071810A1 |
An EGR apparatus for a CI engine (4) which includes an EGR pipe (20) which joins the exhaust pipe (16) of the engine (4), at a point located downstream from a post-treatment device (14), to the pipe located upstream from the supercharger...
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WO/2008/072613A1 |
An engine of an engine system includes a cylinder and an external container for containing combusted gas. Combusted gas in the cylinder is received in the external container through a communication hole. The combusted gas received in the...
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WO/2008/069743A1 |
The present invention relates to an arrangement for a supercharged combustion engine (1). The arrangement comprises an exhaust line (4) intended to lead exhaust gases out from the combustion engine (2), and an inlet line (8) intended to ...
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WO/2008/068574A1 |
An EGR system for an internal combustion engine includes a high-pressure EGR unit and a low-pressure EGR unit. With the EGR system, the ratio of the amount of exhaust gas recirculated back to the internal combustion engine by the high-pr...
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WO/2008/065497A1 |
An exhaust gas recirculation system includes: a turbocharger (8) that includes a compressor (8a) and a turbine (8b); a throttle valve (7), provided in an intake passage (3) upstream of the compressor (8a); an EGR passage (11) through whi...
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WO/2008/058596A1 |
The invention relates to an internal combustion engine, in particular diesel engine or spark-ignition engine, having a fresh air system (18) in which a charge-air cooler (32) (LLK) is arranged, having an exhaust system (20), having an ex...
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WO/2008/050900A1 |
In an exhaust gas recirculation apparatus for an internal combustion engine (1), a technique is provided which suppresses a temperature fall of combustion chambers and hence resultant troubles even if an idle operation continuation time ...
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WO/2008/043933A1 |
System for monitoring the operation of a motor vehicle internal combustion engine, comprising a member for measuring the flow of air admitted, characterized in that it comprises a means (21) for determining the standard deviation of the ...
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WO/2008/037915A1 |
Control system for a motor vehicle internal combustion engine (1) supplied with supercharged air, comprising a circuit for recirculating the exhaust gases of the engine (1) that is provided with a controlled recirculation valve (18) for ...
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WO/2008/031960A1 |
The invention relates to a control system for estimating the fresh air flow entering an internal combustion engine, and to a method therefor. Said control system belongs to an internal combustion engine (1) and comprises a turbocompresso...
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WO/2008/032109A1 |
A method of operating an engine (10) is provided. The engine includes a housing (12) having a combustion chamber (1), a piston (14) disposed adjacent the combustion chamber, a crankshaft (60) connected to the piston, an intake valve (80)...
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WO/2008/029604A1 |
Engine (10) feeds a gas composed of oxygen, hydrogen as fuel and argon as working gas to combustion chamber (21). Upstream condenser unit (70) condenses steam contained in the exhaust gas from the combustion chamber by heat exchange ther...
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WO/2008/026685A1 |
A stable ignition is realized and an operating range capable of compression self-ignition operation is increased by triggering compression self-ignition by spark ignition even under an operating condition hard to be compression self-igni...
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WO/2008/020519A1 |
A six-cycle engine functions in such a way that it is cooled from the inside by scavenging and has high compression ratio to achieve high fuel economy; however, the engine has problems of lowering in exhaust catalyst temperature and exce...
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WO/2008/017771A1 |
The invention relates to a method for controlling an internal combustion vehicle engine, in which the flow rate of gas (Qengine) entering the engine (Qengine) is estimated using the following formulation: Q engin e V cyl /2*N/60*ρ i nta...
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WO/2008/013045A1 |
A four-cycle internal combustion engine has a gas containing chamber (100) communicating with an exhaust port (31) and containing combustion gas discharged from the combustion chamber. While an exhaust valve constructed from a valve sect...
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WO/2008/006476A1 |
The invention relates to a method for operating a spark-ignition engine (1), in particular in a utility vehicle, in which method at least one inlet valve of the spark-ignition engine (1) is closed very early or very late, and in which me...
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WO/2008/001194A1 |
An exhaust gas recirculation device includes a turbocharger (5) having a turbine (5b) on an exhaust pipe (4) and a compressor (5a) on an intake pipe (3), a low-pressure EGR passage (31) connecting the exhaust pipe (4) downstream of the t...
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WO/2007/145021A1 |
An engine (1) with a supercharger (40) comprises a compressor (41) having blades (45) on a turbine (42) shaft, and the turbine (42). At least one index (44) is provided on the turbine (42) shaft or the blade (45). A turbo angular velocit...
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WO/2007/144528A1 |
The present invention relates to a method for regulating a flow of recirculating gas flowing through an internal combustion engine recirculation line, the recirculation line comprising, between an upstream part (58) and a downstream part...
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WO/2007/125242A1 |
This invention concerns a recycling system for exhaust gas from an internal combustion motor. The system comprises a recirculation system (30) of exhaust gas fitted with a control valve (35) for the exhaust gas flow and a control system ...
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WO/2007/123011A1 |
An exhaust gas purification system (1) having an exhaust gas purification device (4), such as a NOx occlusion-reduction catalyst, in an exhaust path (3) of an internal combustion engine (E), where the exhaust gas purification device (4) ...
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WO/2007/090216A2 |
The invention relates to a method for controlling the air system in an internal combustion engine, in particular a diesel internal combustion engine, with a first actuating element for recirculated exhaust gas in the exhaust gas recircul...
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WO/2007/091542A1 |
An air intake passage of a V-diesel engine (10) comprises a pair of distributing passages (19L, 19R) connected to both banks (11L, 11R), a collecting passage (16) communicating with the distributing passages (19L, 19R), and a pair of bra...
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WO/2007/089771A2 |
A combustion engine breathing system comprising an air intake conduit (20), an exhaust conduit (30) and an exhaust gas recirculation line (70) extending between the air intake conduit (20) and the exhaust conduit (30), a subassembly comp...
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WO/2007/068328A1 |
The invention relates to a method of reducing the NOx emissions of diesel engines, in particular within the range close to full load or during acceleration phases, and to the use of a three-way catalyst for reducing the NOx emissions of ...
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WO/2007/066745A1 |
A post-treatment apparatus comprising an SOx trap catalyst (11), a particulate filter (13), on which an NOx occluding reduction catalyst is supported, and an NOx occluding reduction catalyst (15), and a fuel supply valve (17) for supplyi...
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WO/2007/066835A1 |
This invention provides a technique that, even when reduction treatment of an NOx catalyst is carried out during EGR, both a reduction in NOx formation amount in an internal combustion engine utilizing EGR and a reduction reaction of NOx...
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WO/2007/062682A1 |
This exhaust gas recirculation system (2) comprises an exhaust gas cooler (27) and a source (3) of fresh air under pressure. A fresh air injection line (29) connects this source (3) to this cooler (27), which allows to inject air (F) int...
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WO/2007/056784A2 |
The invention relates to an internal combustion engine, especially a charged internal combustion engine, comprising at least one cylinder (6) with a reciprocating piston (7) and at least two intake valves (4) per cylinder (6) as well as ...
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WO/2007/057587A1 |
The invention relates to an internal combustion engine for a motor vehicle comprising a number of cylinders (1) each provided with at least one intake port (3, 7) for air and recycled exhaust gases (EGR) and with at least one exhaust por...
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WO/2007/050563A1 |
A flow control mechanism connected to the intake and exhaust systems of an engine. The mechanism may achieve recirculation of exhaust gases despite varying differential pressures or pulses of pressures. The control mechanism may be conne...
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WO/2007/046518A1 |
This invention provides an exhaust gas purifier for a diesel engine provided with a continuous regeneration-type DPF using a catalyst. A by-pass passage is provided in an exhaust passage (7) in a diesel engine provided with a continuous ...
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WO/2007/040071A1 |
An EGR system (10) of a two stage super-charging engine (1) comprising a first EGR passage (11) leading from an exhaust passage (4) between a high pressure stage turbine (6t) and a low pressure stage turbine (5t) to an intake passage (3)...
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WO/2007/040070A1 |
An EGR system (10) of an internal combustion engine having a two stage super-charging system in which both the exhaust passage (4) between a high pressure stage turbine (6t) and a low pressure stage turbine (5t), and the exhaust passage ...
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WO/2007/032714A1 |
The invention relates to method for maintaining the heat in an exhaust after treatment system (23) connected to the exhaust pipe (22) of an internal combustion engine (10) . The engine is used to propel a vehicle and is equipped with a v...
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